diff src/gba/GBA.cpp @ 19:5e8e5083da94

brought in common and gba, fixed problems with outdated Makefile.am files in both of these packages
author Robert McIntyre <rlm@mit.edu>
date Sun, 04 Mar 2012 14:33:52 -0600
parents f9f4f1b99eed
children 1ff2c546f5ad
line wrap: on
line diff
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/gba/GBA.cpp	Sun Mar 04 14:33:52 2012 -0600
     1.3 @@ -0,0 +1,4567 @@
     1.4 +#include <cstdio>
     1.5 +#include <cstdlib>
     1.6 +#include <cstdarg>
     1.7 +#include <cstring>
     1.8 +
     1.9 +#include "../Port.h"
    1.10 +#include "../NLS.h"
    1.11 +#include "GBA.h"
    1.12 +//#include "GBAGlobals.h"
    1.13 +#include "GBACheats.h" // FIXME: SDL requires this included before "GBAinline.h"
    1.14 +#include "GBAinline.h"
    1.15 +#include "GBAGfx.h"
    1.16 +#include "GBASound.h"
    1.17 +#include "EEprom.h"
    1.18 +#include "Flash.h"
    1.19 +#include "Sram.h"
    1.20 +#include "bios.h"
    1.21 +#include "elf.h"
    1.22 +#include "agbprint.h"
    1.23 +#include "../common/unzip.h"
    1.24 +#include "../common/Util.h"
    1.25 +#include "../common/movie.h"
    1.26 +#include "../common/vbalua.h"
    1.27 +
    1.28 +#ifdef PROFILING
    1.29 +#include "../prof/prof.h"
    1.30 +#endif
    1.31 +
    1.32 +#define UPDATE_REG(address, value) WRITE16LE(((u16 *)&ioMem[address]), value)
    1.33 +
    1.34 +#ifdef __GNUC__
    1.35 +#define _stricmp strcasecmp
    1.36 +#endif
    1.37 +
    1.38 +#define CPU_BREAK_LOOP \
    1.39 +    cpuSavedTicks	 = cpuSavedTicks - *extCpuLoopTicks; \
    1.40 +    *extCpuLoopTicks = *extClockTicks;
    1.41 +
    1.42 +#define CPU_BREAK_LOOP_2 \
    1.43 +    cpuSavedTicks	 = cpuSavedTicks - *extCpuLoopTicks; \
    1.44 +    *extCpuLoopTicks = *extClockTicks; \
    1.45 +    *extTicks		 = *extClockTicks;
    1.46 +
    1.47 +int32 cpuDmaTicksToUpdate = 0;
    1.48 +int32 cpuDmaCount		  = 0;
    1.49 +bool8 cpuDmaHack		  = 0;
    1.50 +u32	  cpuDmaLast		  = 0;
    1.51 +int32 dummyAddress		  = 0;
    1.52 +
    1.53 +int32 *extCpuLoopTicks = NULL;
    1.54 +int32 *extClockTicks   = NULL;
    1.55 +int32 *extTicks		   = NULL;
    1.56 +
    1.57 +#if (defined(WIN32) && !defined(SDL))
    1.58 +HANDLE mapROM;        // shared memory handles
    1.59 +HANDLE mapWORKRAM;
    1.60 +HANDLE mapBIOS;
    1.61 +HANDLE mapIRAM;
    1.62 +HANDLE mapPALETTERAM;
    1.63 +HANDLE mapVRAM;
    1.64 +HANDLE mapOAM;
    1.65 +HANDLE mapPIX;
    1.66 +HANDLE mapIOMEM;
    1.67 +#endif
    1.68 +
    1.69 +int32 gbaSaveType = 0;      // used to remember the save type on reset
    1.70 +bool8 intState	  = false;
    1.71 +bool8 stopState	  = false;
    1.72 +bool8 holdState	  = false;
    1.73 +int32 holdType	  = 0;
    1.74 +bool8 cpuSramEnabled		 = true;
    1.75 +bool8 cpuFlashEnabled		 = true;
    1.76 +bool8 cpuEEPROMEnabled		 = true;
    1.77 +bool8 cpuEEPROMSensorEnabled = false;
    1.78 +
    1.79 +#ifdef PROFILING
    1.80 +int profilingTicks		  = 0;
    1.81 +int profilingTicksReload  = 0;
    1.82 +static char *profilBuffer = NULL;
    1.83 +static int	 profilSize	  = 0;
    1.84 +static u32	 profilLowPC  = 0;
    1.85 +static int	 profilScale  = 0;
    1.86 +#endif
    1.87 +bool8 freezeWorkRAM[0x40000];
    1.88 +bool8 freezeInternalRAM[0x8000];
    1.89 +int32 lcdTicks = 960;
    1.90 +bool8 timer0On = false;
    1.91 +int32 timer0Ticks		= 0;
    1.92 +int32 timer0Reload		= 0;
    1.93 +int32 timer0ClockReload = 0;
    1.94 +bool8 timer1On			= false;
    1.95 +int32 timer1Ticks		= 0;
    1.96 +int32 timer1Reload		= 0;
    1.97 +int32 timer1ClockReload = 0;
    1.98 +bool8 timer2On			= false;
    1.99 +int32 timer2Ticks		= 0;
   1.100 +int32 timer2Reload		= 0;
   1.101 +int32 timer2ClockReload = 0;
   1.102 +bool8 timer3On			= false;
   1.103 +int32 timer3Ticks		= 0;
   1.104 +int32 timer3Reload		= 0;
   1.105 +int32 timer3ClockReload = 0;
   1.106 +u32	  dma0Source		= 0;
   1.107 +u32	  dma0Dest			= 0;
   1.108 +u32	  dma1Source		= 0;
   1.109 +u32	  dma1Dest			= 0;
   1.110 +u32	  dma2Source		= 0;
   1.111 +u32	  dma2Dest			= 0;
   1.112 +u32	  dma3Source		= 0;
   1.113 +u32	  dma3Dest			= 0;
   1.114 +void  (*cpuSaveGameFunc)(u32, u8) = flashSaveDecide;
   1.115 +void  (*renderLine)() = mode0RenderLine;
   1.116 +bool8 fxOn = false;
   1.117 +bool8 windowOn		 = false;
   1.118 +int32 frameSkipCount = 0;
   1.119 +u32	  gbaLastTime	 = 0;
   1.120 +int32 gbaFrameCount	 = 0;
   1.121 +bool8 prefetchActive = false, prefetchPrevActive = false, prefetchApplies = false;
   1.122 +char  buffer[1024];
   1.123 +FILE *out = NULL;
   1.124 +
   1.125 +static bool newFrame = true;
   1.126 +static bool pauseAfterFrameAdvance = false;
   1.127 +
   1.128 +const int32 TIMER_TICKS[4] = {
   1.129 +	1,
   1.130 +	64,
   1.131 +	256,
   1.132 +	1024
   1.133 +};
   1.134 +
   1.135 +const int32 thumbCycles[] = {
   1.136 +//  0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
   1.137 +	1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,  // 0
   1.138 +	1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,  // 1
   1.139 +	1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,  // 2
   1.140 +	1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,  // 3
   1.141 +	1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3, 3,  // 4
   1.142 +	2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,  // 5
   1.143 +	2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3,  // 6
   1.144 +	2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3,  // 7
   1.145 +	2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3,  // 8
   1.146 +	2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3,  // 9
   1.147 +	3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,  // a
   1.148 +	1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 1, 2, 4, 1, 1,  // b
   1.149 +	2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,  // c
   1.150 +	1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3,  // d
   1.151 +	3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,  // e
   1.152 +	2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2   // f
   1.153 +};
   1.154 +
   1.155 +const int32 gamepakRamWaitState[4] = { 4, 3, 2, 8 };
   1.156 +const int32 gamepakWaitState[8] =  { 4, 3, 2, 8, 4, 3, 2, 8 };
   1.157 +const int32 gamepakWaitState0[8] = { 2, 2, 2, 2, 1, 1, 1, 1 };
   1.158 +const int32 gamepakWaitState1[8] = { 4, 4, 4, 4, 1, 1, 1, 1 };
   1.159 +const int32 gamepakWaitState2[8] = { 8, 8, 8, 8, 1, 1, 1, 1 };
   1.160 +
   1.161 +int32 memoryWait[16] =
   1.162 +{ 0, 0, 2, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 0 };
   1.163 +int32 memoryWait32[16] =
   1.164 +{ 0, 0, 9, 0, 0, 0, 0, 0, 8, 8, 8, 8, 8, 8, 8, 0 };
   1.165 +int32 memoryWaitSeq[16] =
   1.166 +{ 0, 0, 2, 0, 0, 0, 0, 0, 2, 2, 4, 4, 8, 8, 4, 0 };
   1.167 +int32 memoryWaitSeq32[16] =
   1.168 +{ 2, 0, 3, 0, 0, 2, 2, 0, 4, 4, 8, 8, 16, 16, 8, 0 };
   1.169 +int32 memoryWaitFetch[16] =
   1.170 +{ 3, 0, 3, 0, 0, 1, 1, 0, 4, 4, 4, 4, 4, 4, 4, 0 };
   1.171 +int32 memoryWaitFetch32[16] =
   1.172 +{ 6, 0, 6, 0, 0, 2, 2, 0, 8, 8, 8, 8, 8, 8, 8, 0 };
   1.173 +
   1.174 +const int32 cpuMemoryWait[16] = {
   1.175 +	0, 0, 2, 0, 0, 0, 0, 0,
   1.176 +	2, 2, 2, 2, 2, 2, 0, 0
   1.177 +};
   1.178 +const int32 cpuMemoryWait32[16] = {
   1.179 +	0, 0, 3, 0, 0, 0, 0, 0,
   1.180 +	3, 3, 3, 3, 3, 3, 0, 0
   1.181 +};
   1.182 +
   1.183 +const bool8 memory32[16] = {
   1.184 +	true, false, false, true, true, false, false, true, false, false, false, false, false, false, true, false
   1.185 +};
   1.186 +
   1.187 +u8 biosProtected[4];
   1.188 +
   1.189 +u8 cpuBitsSet[256];
   1.190 +u8 cpuLowestBitSet[256];
   1.191 +
   1.192 +#ifdef WORDS_BIGENDIAN
   1.193 +bool8 cpuBiosSwapped = false;
   1.194 +#endif
   1.195 +
   1.196 +u32 myROM[] = {
   1.197 +	0xEA000006,
   1.198 +	0xEA000093,
   1.199 +	0xEA000006,
   1.200 +	0x00000000,
   1.201 +	0x00000000,
   1.202 +	0x00000000,
   1.203 +	0xEA000088,
   1.204 +	0x00000000,
   1.205 +	0xE3A00302,
   1.206 +	0xE1A0F000,
   1.207 +	0xE92D5800,
   1.208 +	0xE55EC002,
   1.209 +	0xE28FB03C,
   1.210 +	0xE79BC10C,
   1.211 +	0xE14FB000,
   1.212 +	0xE92D0800,
   1.213 +	0xE20BB080,
   1.214 +	0xE38BB01F,
   1.215 +	0xE129F00B,
   1.216 +	0xE92D4004,
   1.217 +	0xE1A0E00F,
   1.218 +	0xE12FFF1C,
   1.219 +	0xE8BD4004,
   1.220 +	0xE3A0C0D3,
   1.221 +	0xE129F00C,
   1.222 +	0xE8BD0800,
   1.223 +	0xE169F00B,
   1.224 +	0xE8BD5800,
   1.225 +	0xE1B0F00E,
   1.226 +	0x0000009C,
   1.227 +	0x0000009C,
   1.228 +	0x0000009C,
   1.229 +	0x0000009C,
   1.230 +	0x000001F8,
   1.231 +	0x000001F0,
   1.232 +	0x000000AC,
   1.233 +	0x000000A0,
   1.234 +	0x000000FC,
   1.235 +	0x00000168,
   1.236 +	0xE12FFF1E,
   1.237 +	0xE1A03000,
   1.238 +	0xE1A00001,
   1.239 +	0xE1A01003,
   1.240 +	0xE2113102,
   1.241 +	0x42611000,
   1.242 +	0xE033C040,
   1.243 +	0x22600000,
   1.244 +	0xE1B02001,
   1.245 +	0xE15200A0,
   1.246 +	0x91A02082,
   1.247 +	0x3AFFFFFC,
   1.248 +	0xE1500002,
   1.249 +	0xE0A33003,
   1.250 +	0x20400002,
   1.251 +	0xE1320001,
   1.252 +	0x11A020A2,
   1.253 +	0x1AFFFFF9,
   1.254 +	0xE1A01000,
   1.255 +	0xE1A00003,
   1.256 +	0xE1B0C08C,
   1.257 +	0x22600000,
   1.258 +	0x42611000,
   1.259 +	0xE12FFF1E,
   1.260 +	0xE92D0010,
   1.261 +	0xE1A0C000,
   1.262 +	0xE3A01001,
   1.263 +	0xE1500001,
   1.264 +	0x81A000A0,
   1.265 +	0x81A01081,
   1.266 +	0x8AFFFFFB,
   1.267 +	0xE1A0000C,
   1.268 +	0xE1A04001,
   1.269 +	0xE3A03000,
   1.270 +	0xE1A02001,
   1.271 +	0xE15200A0,
   1.272 +	0x91A02082,
   1.273 +	0x3AFFFFFC,
   1.274 +	0xE1500002,
   1.275 +	0xE0A33003,
   1.276 +	0x20400002,
   1.277 +	0xE1320001,
   1.278 +	0x11A020A2,
   1.279 +	0x1AFFFFF9,
   1.280 +	0xE0811003,
   1.281 +	0xE1B010A1,
   1.282 +	0xE1510004,
   1.283 +	0x3AFFFFEE,
   1.284 +	0xE1A00004,
   1.285 +	0xE8BD0010,
   1.286 +	0xE12FFF1E,
   1.287 +	0xE0010090,
   1.288 +	0xE1A01741,
   1.289 +	0xE2611000,
   1.290 +	0xE3A030A9,
   1.291 +	0xE0030391,
   1.292 +	0xE1A03743,
   1.293 +	0xE2833E39,
   1.294 +	0xE0030391,
   1.295 +	0xE1A03743,
   1.296 +	0xE2833C09,
   1.297 +	0xE283301C,
   1.298 +	0xE0030391,
   1.299 +	0xE1A03743,
   1.300 +	0xE2833C0F,
   1.301 +	0xE28330B6,
   1.302 +	0xE0030391,
   1.303 +	0xE1A03743,
   1.304 +	0xE2833C16,
   1.305 +	0xE28330AA,
   1.306 +	0xE0030391,
   1.307 +	0xE1A03743,
   1.308 +	0xE2833A02,
   1.309 +	0xE2833081,
   1.310 +	0xE0030391,
   1.311 +	0xE1A03743,
   1.312 +	0xE2833C36,
   1.313 +	0xE2833051,
   1.314 +	0xE0030391,
   1.315 +	0xE1A03743,
   1.316 +	0xE2833CA2,
   1.317 +	0xE28330F9,
   1.318 +	0xE0000093,
   1.319 +	0xE1A00840,
   1.320 +	0xE12FFF1E,
   1.321 +	0xE3A00001,
   1.322 +	0xE3A01001,
   1.323 +	0xE92D4010,
   1.324 +	0xE3A0C301,
   1.325 +	0xE3A03000,
   1.326 +	0xE3A04001,
   1.327 +	0xE3500000,
   1.328 +	0x1B000004,
   1.329 +	0xE5CC3301,
   1.330 +	0xEB000002,
   1.331 +	0x0AFFFFFC,
   1.332 +	0xE8BD4010,
   1.333 +	0xE12FFF1E,
   1.334 +	0xE5CC3208,
   1.335 +	0xE15C20B8,
   1.336 +	0xE0110002,
   1.337 +	0x10200002,
   1.338 +	0x114C00B8,
   1.339 +	0xE5CC4208,
   1.340 +	0xE12FFF1E,
   1.341 +	0xE92D500F,
   1.342 +	0xE3A00301,
   1.343 +	0xE1A0E00F,
   1.344 +	0xE510F004,
   1.345 +	0xE8BD500F,
   1.346 +	0xE25EF004,
   1.347 +	0xE59FD044,
   1.348 +	0xE92D5000,
   1.349 +	0xE14FC000,
   1.350 +	0xE10FE000,
   1.351 +	0xE92D5000,
   1.352 +	0xE3A0C302,
   1.353 +	0xE5DCE09C,
   1.354 +	0xE35E00A5,
   1.355 +	0x1A000004,
   1.356 +	0x05DCE0B4,
   1.357 +	0x021EE080,
   1.358 +	0xE28FE004,
   1.359 +	0x159FF018,
   1.360 +	0x059FF018,
   1.361 +	0xE59FD018,
   1.362 +	0xE8BD5000,
   1.363 +	0xE169F00C,
   1.364 +	0xE8BD5000,
   1.365 +	0xE25EF004,
   1.366 +	0x03007FF0,
   1.367 +	0x09FE2000,
   1.368 +	0x09FFC000,
   1.369 +	0x03007FE0
   1.370 +};
   1.371 +
   1.372 +variable_desc saveGameStruct[] = {
   1.373 +	{ &DISPCNT,			  sizeof(u16)				 },
   1.374 +	{ &DISPSTAT,		  sizeof(u16)				 },
   1.375 +	{ &VCOUNT,			  sizeof(u16)				 },
   1.376 +	{ &BG0CNT,			  sizeof(u16)				 },
   1.377 +	{ &BG1CNT,			  sizeof(u16)				 },
   1.378 +	{ &BG2CNT,			  sizeof(u16)				 },
   1.379 +	{ &BG3CNT,			  sizeof(u16)				 },
   1.380 +	{ &BG0HOFS,			  sizeof(u16)				 },
   1.381 +	{ &BG0VOFS,			  sizeof(u16)				 },
   1.382 +	{ &BG1HOFS,			  sizeof(u16)				 },
   1.383 +	{ &BG1VOFS,			  sizeof(u16)				 },
   1.384 +	{ &BG2HOFS,			  sizeof(u16)				 },
   1.385 +	{ &BG2VOFS,			  sizeof(u16)				 },
   1.386 +	{ &BG3HOFS,			  sizeof(u16)				 },
   1.387 +	{ &BG3VOFS,			  sizeof(u16)				 },
   1.388 +	{ &BG2PA,			  sizeof(u16)				 },
   1.389 +	{ &BG2PB,			  sizeof(u16)				 },
   1.390 +	{ &BG2PC,			  sizeof(u16)				 },
   1.391 +	{ &BG2PD,			  sizeof(u16)				 },
   1.392 +	{ &BG2X_L,			  sizeof(u16)				 },
   1.393 +	{ &BG2X_H,			  sizeof(u16)				 },
   1.394 +	{ &BG2Y_L,			  sizeof(u16)				 },
   1.395 +	{ &BG2Y_H,			  sizeof(u16)				 },
   1.396 +	{ &BG3PA,			  sizeof(u16)				 },
   1.397 +	{ &BG3PB,			  sizeof(u16)				 },
   1.398 +	{ &BG3PC,			  sizeof(u16)				 },
   1.399 +	{ &BG3PD,			  sizeof(u16)				 },
   1.400 +	{ &BG3X_L,			  sizeof(u16)				 },
   1.401 +	{ &BG3X_H,			  sizeof(u16)				 },
   1.402 +	{ &BG3Y_L,			  sizeof(u16)				 },
   1.403 +	{ &BG3Y_H,			  sizeof(u16)				 },
   1.404 +	{ &WIN0H,			  sizeof(u16)				 },
   1.405 +	{ &WIN1H,			  sizeof(u16)				 },
   1.406 +	{ &WIN0V,			  sizeof(u16)				 },
   1.407 +	{ &WIN1V,			  sizeof(u16)				 },
   1.408 +	{ &WININ,			  sizeof(u16)				 },
   1.409 +	{ &WINOUT,			  sizeof(u16)				 },
   1.410 +	{ &MOSAIC,			  sizeof(u16)				 },
   1.411 +	{ &BLDMOD,			  sizeof(u16)				 },
   1.412 +	{ &COLEV,			  sizeof(u16)				 },
   1.413 +	{ &COLY,			  sizeof(u16)				 },
   1.414 +	{ &DM0SAD_L,		  sizeof(u16)				 },
   1.415 +	{ &DM0SAD_H,		  sizeof(u16)				 },
   1.416 +	{ &DM0DAD_L,		  sizeof(u16)				 },
   1.417 +	{ &DM0DAD_H,		  sizeof(u16)				 },
   1.418 +	{ &DM0CNT_L,		  sizeof(u16)				 },
   1.419 +	{ &DM0CNT_H,		  sizeof(u16)				 },
   1.420 +	{ &DM1SAD_L,		  sizeof(u16)				 },
   1.421 +	{ &DM1SAD_H,		  sizeof(u16)				 },
   1.422 +	{ &DM1DAD_L,		  sizeof(u16)				 },
   1.423 +	{ &DM1DAD_H,		  sizeof(u16)				 },
   1.424 +	{ &DM1CNT_L,		  sizeof(u16)				 },
   1.425 +	{ &DM1CNT_H,		  sizeof(u16)				 },
   1.426 +	{ &DM2SAD_L,		  sizeof(u16)				 },
   1.427 +	{ &DM2SAD_H,		  sizeof(u16)				 },
   1.428 +	{ &DM2DAD_L,		  sizeof(u16)				 },
   1.429 +	{ &DM2DAD_H,		  sizeof(u16)				 },
   1.430 +	{ &DM2CNT_L,		  sizeof(u16)				 },
   1.431 +	{ &DM2CNT_H,		  sizeof(u16)				 },
   1.432 +	{ &DM3SAD_L,		  sizeof(u16)				 },
   1.433 +	{ &DM3SAD_H,		  sizeof(u16)				 },
   1.434 +	{ &DM3DAD_L,		  sizeof(u16)				 },
   1.435 +	{ &DM3DAD_H,		  sizeof(u16)				 },
   1.436 +	{ &DM3CNT_L,		  sizeof(u16)				 },
   1.437 +	{ &DM3CNT_H,		  sizeof(u16)				 },
   1.438 +	{ &TM0D,			  sizeof(u16)				 },
   1.439 +	{ &TM0CNT,			  sizeof(u16)				 },
   1.440 +	{ &TM1D,			  sizeof(u16)				 },
   1.441 +	{ &TM1CNT,			  sizeof(u16)				 },
   1.442 +	{ &TM2D,			  sizeof(u16)				 },
   1.443 +	{ &TM2CNT,			  sizeof(u16)				 },
   1.444 +	{ &TM3D,			  sizeof(u16)				 },
   1.445 +	{ &TM3CNT,			  sizeof(u16)				 },
   1.446 +	{ &P1,				  sizeof(u16)				 },
   1.447 +	{ &IE,				  sizeof(u16)				 },
   1.448 +	{ &IF,				  sizeof(u16)				 },
   1.449 +	{ &IME,				  sizeof(u16)				 },
   1.450 +	{ &holdState,		  sizeof(bool8)				 },
   1.451 +	{ &holdType,		  sizeof(int32)				 },
   1.452 +	{ &lcdTicks,		  sizeof(int32)				 },
   1.453 +	{ &timer0On,		  sizeof(bool8)				 },
   1.454 +	{ &timer0Ticks,		  sizeof(int32)				 },
   1.455 +	{ &timer0Reload,	  sizeof(int32)				 },
   1.456 +	{ &timer0ClockReload, sizeof(int32)				 },
   1.457 +	{ &timer1On,		  sizeof(bool8)				 },
   1.458 +	{ &timer1Ticks,		  sizeof(int32)				 },
   1.459 +	{ &timer1Reload,	  sizeof(int32)				 },
   1.460 +	{ &timer1ClockReload, sizeof(int32)				 },
   1.461 +	{ &timer2On,		  sizeof(bool8)				 },
   1.462 +	{ &timer2Ticks,		  sizeof(int32)				 },
   1.463 +	{ &timer2Reload,	  sizeof(int32)				 },
   1.464 +	{ &timer2ClockReload, sizeof(int32)				 },
   1.465 +	{ &timer3On,		  sizeof(bool8)				 },
   1.466 +	{ &timer3Ticks,		  sizeof(int32)				 },
   1.467 +	{ &timer3Reload,	  sizeof(int32)				 },
   1.468 +	{ &timer3ClockReload, sizeof(int32)				 },
   1.469 +	{ &dma0Source,		  sizeof(u32)				 },
   1.470 +	{ &dma0Dest,		  sizeof(u32)				 },
   1.471 +	{ &dma1Source,		  sizeof(u32)				 },
   1.472 +	{ &dma1Dest,		  sizeof(u32)				 },
   1.473 +	{ &dma2Source,		  sizeof(u32)				 },
   1.474 +	{ &dma2Dest,		  sizeof(u32)				 },
   1.475 +	{ &dma3Source,		  sizeof(u32)				 },
   1.476 +	{ &dma3Dest,		  sizeof(u32)				 },
   1.477 +	{ &fxOn,			  sizeof(bool8)				 },
   1.478 +	{ &windowOn,		  sizeof(bool8)				 },
   1.479 +	{ &N_FLAG,			  sizeof(bool8)				 },
   1.480 +	{ &C_FLAG,			  sizeof(bool8)				 },
   1.481 +	{ &Z_FLAG,			  sizeof(bool8)				 },
   1.482 +	{ &V_FLAG,			  sizeof(bool8)				 },
   1.483 +	{ &armState,		  sizeof(bool8)				 },
   1.484 +	{ &armIrqEnable,	  sizeof(bool8)				 },
   1.485 +	{ &armNextPC,		  sizeof(u32)				 },
   1.486 +	{ &armMode,			  sizeof(int32)				 },
   1.487 +	{ &saveType,		  sizeof(int32)				 },
   1.488 +	{ NULL,				  0							 }
   1.489 +};
   1.490 +
   1.491 +//int cpuLoopTicks = 0;
   1.492 +int cpuSavedTicks = 0;
   1.493 +
   1.494 +#ifdef PROFILING
   1.495 +void cpuProfil(char *buf, int size, u32 lowPC, int scale)
   1.496 +{
   1.497 +	profilBuffer = buf;
   1.498 +	profilSize	 = size;
   1.499 +	profilLowPC	 = lowPC;
   1.500 +	profilScale	 = scale;
   1.501 +}
   1.502 +
   1.503 +void cpuEnableProfiling(int hz)
   1.504 +{
   1.505 +	if (hz == 0)
   1.506 +		hz = 100;
   1.507 +	profilingTicks = profilingTicksReload = 16777216 / hz;
   1.508 +	profSetHertz(hz);
   1.509 +}
   1.510 +
   1.511 +#endif
   1.512 +
   1.513 +inline int CPUUpdateTicksAccess32(u32 address)
   1.514 +{
   1.515 +	return memoryWait32[(address >> 24) & 15];
   1.516 +}
   1.517 +
   1.518 +inline int CPUUpdateTicksAccess16(u32 address)
   1.519 +{
   1.520 +	return memoryWait[(address >> 24) & 15];
   1.521 +}
   1.522 +
   1.523 +inline int CPUUpdateTicksAccessSeq32(u32 address)
   1.524 +{
   1.525 +	return memoryWaitSeq32[(address >> 24) & 15];
   1.526 +}
   1.527 +
   1.528 +inline int CPUUpdateTicksAccessSeq16(u32 address)
   1.529 +{
   1.530 +	return memoryWaitSeq[(address >> 24) & 15];
   1.531 +}
   1.532 +
   1.533 +inline int CPUUpdateTicks()
   1.534 +{
   1.535 +	int cpuLoopTicks = lcdTicks;
   1.536 +
   1.537 +	if (soundTicks < cpuLoopTicks)
   1.538 +		cpuLoopTicks = soundTicks;
   1.539 +
   1.540 +	if (timer0On && !(TM0CNT & 4) && (timer0Ticks < cpuLoopTicks))
   1.541 +	{
   1.542 +		cpuLoopTicks = timer0Ticks;
   1.543 +	}
   1.544 +	if (timer1On && !(TM1CNT & 4) && (timer1Ticks < cpuLoopTicks))
   1.545 +	{
   1.546 +		cpuLoopTicks = timer1Ticks;
   1.547 +	}
   1.548 +	if (timer2On && !(TM2CNT & 4) && (timer2Ticks < cpuLoopTicks))
   1.549 +	{
   1.550 +		cpuLoopTicks = timer2Ticks;
   1.551 +	}
   1.552 +	if (timer3On && !(TM3CNT & 4) && (timer3Ticks < cpuLoopTicks))
   1.553 +	{
   1.554 +		cpuLoopTicks = timer3Ticks;
   1.555 +	}
   1.556 +#ifdef PROFILING
   1.557 +	if (profilingTicksReload != 0)
   1.558 +	{
   1.559 +		if (profilingTicks < cpuLoopTicks)
   1.560 +		{
   1.561 +			cpuLoopTicks = profilingTicks;
   1.562 +		}
   1.563 +	}
   1.564 +#endif
   1.565 +	cpuSavedTicks = cpuLoopTicks;
   1.566 +	return cpuLoopTicks;
   1.567 +}
   1.568 +
   1.569 +void CPUUpdateWindow0()
   1.570 +{
   1.571 +	int x00 = WIN0H >> 8;
   1.572 +	int x01 = WIN0H & 255;
   1.573 +
   1.574 +	if (x00 <= x01)
   1.575 +	{
   1.576 +		for (int i = 0; i < 240; i++)
   1.577 +		{
   1.578 +			gfxInWin0[i] = (i >= x00 && i < x01);
   1.579 +		}
   1.580 +	}
   1.581 +	else
   1.582 +	{
   1.583 +		for (int i = 0; i < 240; i++)
   1.584 +		{
   1.585 +			gfxInWin0[i] = (i >= x00 || i < x01);
   1.586 +		}
   1.587 +	}
   1.588 +}
   1.589 +
   1.590 +void CPUUpdateWindow1()
   1.591 +{
   1.592 +	int x00 = WIN1H >> 8;
   1.593 +	int x01 = WIN1H & 255;
   1.594 +
   1.595 +	if (x00 <= x01)
   1.596 +	{
   1.597 +		for (int i = 0; i < 240; i++)
   1.598 +		{
   1.599 +			gfxInWin1[i] = (i >= x00 && i < x01);
   1.600 +		}
   1.601 +	}
   1.602 +	else
   1.603 +	{
   1.604 +		for (int i = 0; i < 240; i++)
   1.605 +		{
   1.606 +			gfxInWin1[i] = (i >= x00 || i < x01);
   1.607 +		}
   1.608 +	}
   1.609 +}
   1.610 +
   1.611 +#define CLEAR_ARRAY(a) \
   1.612 +	{ \
   1.613 +		u32 *array = (a); \
   1.614 +		for (int i = 0; i < 240; i++) { \
   1.615 +			*array++ = 0x80000000; \
   1.616 +		} \
   1.617 +	} \
   1.618 +
   1.619 +void CPUUpdateRenderBuffers(bool force)
   1.620 +{
   1.621 +	if (!(layerEnable & 0x0100) || force)
   1.622 +	{
   1.623 +		CLEAR_ARRAY(line0);
   1.624 +	}
   1.625 +	if (!(layerEnable & 0x0200) || force)
   1.626 +	{
   1.627 +		CLEAR_ARRAY(line1);
   1.628 +	}
   1.629 +	if (!(layerEnable & 0x0400) || force)
   1.630 +	{
   1.631 +		CLEAR_ARRAY(line2);
   1.632 +	}
   1.633 +	if (!(layerEnable & 0x0800) || force)
   1.634 +	{
   1.635 +		CLEAR_ARRAY(line3);
   1.636 +	}
   1.637 +}
   1.638 +
   1.639 +bool CPUWriteStateToStream(gzFile gzFile)
   1.640 +{
   1.641 +	utilWriteInt(gzFile, SAVE_GAME_VERSION);
   1.642 +
   1.643 +	utilGzWrite(gzFile, &rom[0xa0], 16);
   1.644 +
   1.645 +	utilWriteInt(gzFile, useBios);
   1.646 +
   1.647 +	utilGzWrite(gzFile, &reg[0], sizeof(reg));
   1.648 +
   1.649 +	utilWriteData(gzFile, saveGameStruct);
   1.650 +
   1.651 +	// new to version 0.7.1
   1.652 +	utilWriteInt(gzFile, stopState);
   1.653 +	// new to version 0.8
   1.654 +	utilWriteInt(gzFile, intState);
   1.655 +
   1.656 +	utilGzWrite(gzFile, internalRAM, 0x8000);
   1.657 +	utilGzWrite(gzFile, paletteRAM, 0x400);
   1.658 +	utilGzWrite(gzFile, workRAM, 0x40000);
   1.659 +	utilGzWrite(gzFile, vram, 0x20000);
   1.660 +	utilGzWrite(gzFile, oam, 0x400);
   1.661 +	utilGzWrite(gzFile, pix, 4 * 241 * 162);
   1.662 +	utilGzWrite(gzFile, ioMem, 0x400);
   1.663 +
   1.664 +	eepromSaveGame(gzFile);
   1.665 +	flashSaveGame(gzFile);
   1.666 +	soundSaveGame(gzFile);
   1.667 +
   1.668 +	cheatsSaveGame(gzFile);
   1.669 +
   1.670 +	// version 1.5
   1.671 +	rtcSaveGame(gzFile);
   1.672 +
   1.673 +	// SAVE_GAME_VERSION_9 (new to re-recording version which is based on 1.72)
   1.674 +	{
   1.675 +		extern int32 sensorX, sensorY; // from SDL.cpp
   1.676 +		utilGzWrite(gzFile, &sensorX, sizeof(sensorX));
   1.677 +		utilGzWrite(gzFile, &sensorY, sizeof(sensorY));
   1.678 +		bool8 movieActive = VBAMovieActive();
   1.679 +		utilGzWrite(gzFile, &movieActive, sizeof(movieActive));
   1.680 +		if (movieActive)
   1.681 +		{
   1.682 +			uint8 *movie_freeze_buf	 = NULL;
   1.683 +			uint32 movie_freeze_size = 0;
   1.684 +
   1.685 +			VBAMovieFreeze(&movie_freeze_buf, &movie_freeze_size);
   1.686 +			if (movie_freeze_buf)
   1.687 +			{
   1.688 +				utilGzWrite(gzFile, &movie_freeze_size, sizeof(movie_freeze_size));
   1.689 +				utilGzWrite(gzFile, movie_freeze_buf, movie_freeze_size);
   1.690 +				delete [] movie_freeze_buf;
   1.691 +			}
   1.692 +			else
   1.693 +			{
   1.694 +				systemMessage(0, N_("Failed to save movie snapshot."));
   1.695 +				return false;
   1.696 +			}
   1.697 +		}
   1.698 +		utilGzWrite(gzFile, &GBASystemCounters.frameCount, sizeof(GBASystemCounters.frameCount));
   1.699 +	}
   1.700 +
   1.701 +	// SAVE_GAME_VERSION_10
   1.702 +	{
   1.703 +		utilGzWrite(gzFile, memoryWait, 16 * sizeof(int32));
   1.704 +		utilGzWrite(gzFile, memoryWait32, 16 * sizeof(int32));
   1.705 +		utilGzWrite(gzFile, memoryWaitSeq, 16 * sizeof(int32));
   1.706 +		utilGzWrite(gzFile, memoryWaitSeq32, 16 * sizeof(int32));
   1.707 +		utilGzWrite(gzFile, memoryWaitFetch, 16 * sizeof(int32));
   1.708 +		utilGzWrite(gzFile, memoryWaitFetch32, 16 * sizeof(int32));
   1.709 +	}
   1.710 +
   1.711 +	// SAVE_GAME_VERSION_11
   1.712 +	{
   1.713 +		utilGzWrite(gzFile, &prefetchActive, sizeof(bool8));
   1.714 +		utilGzWrite(gzFile, &prefetchPrevActive, sizeof(bool8));
   1.715 +		utilGzWrite(gzFile, &prefetchApplies, sizeof(bool8));
   1.716 +	}
   1.717 +
   1.718 +	// SAVE_GAME_VERSION_12
   1.719 +	{
   1.720 +		utilGzWrite(gzFile, &memLagTempEnabled, sizeof(bool8)); // necessary
   1.721 +		utilGzWrite(gzFile, &speedHack, sizeof(bool8)); // just in case it's ever used...
   1.722 +	}
   1.723 +
   1.724 +	// SAVE_GAME_VERSION_13
   1.725 +	{
   1.726 +		utilGzWrite(gzFile, &GBASystemCounters.lagCount, sizeof(GBASystemCounters.lagCount));
   1.727 +		utilGzWrite(gzFile, &GBASystemCounters.lagged, sizeof(GBASystemCounters.lagged));
   1.728 +		utilGzWrite(gzFile, &GBASystemCounters.laggedLast, sizeof(GBASystemCounters.laggedLast));
   1.729 +	}
   1.730 +
   1.731 +	return true;
   1.732 +}
   1.733 +
   1.734 +bool CPUWriteState(const char *file)
   1.735 +{
   1.736 +	gzFile gzFile = utilGzOpen(file, "wb");
   1.737 +
   1.738 +	if (gzFile == NULL)
   1.739 +	{
   1.740 +		systemMessage(MSG_ERROR_CREATING_FILE, N_("Error creating file %s"), file);
   1.741 +		return false;
   1.742 +	}
   1.743 +
   1.744 +	bool res = CPUWriteStateToStream(gzFile);
   1.745 +
   1.746 +	utilGzClose(gzFile);
   1.747 +
   1.748 +	return res;
   1.749 +}
   1.750 +
   1.751 +bool CPUWriteMemState(char *memory, int available)
   1.752 +{
   1.753 +	gzFile gzFile = utilMemGzOpen(memory, available, "w");
   1.754 +
   1.755 +	if (gzFile == NULL)
   1.756 +	{
   1.757 +		return false;
   1.758 +	}
   1.759 +
   1.760 +	bool res = CPUWriteStateToStream(gzFile);
   1.761 +
   1.762 +	long pos = utilGzTell(gzFile) + 8;
   1.763 +
   1.764 +	if (pos >= (available))
   1.765 +		res = false;
   1.766 +
   1.767 +	utilGzClose(gzFile);
   1.768 +
   1.769 +	return res;
   1.770 +}
   1.771 +
   1.772 +static int	tempStateID	  = 0;
   1.773 +static int	tempFailCount = 0;
   1.774 +static bool backupSafe	  = true;
   1.775 +
   1.776 +bool CPUReadStateFromStream(gzFile gzFile)
   1.777 +{
   1.778 +	bool8 ub;
   1.779 +	char  tempBackupName [128];
   1.780 +	if (backupSafe)
   1.781 +	{
   1.782 +		sprintf(tempBackupName, "gbatempsave%d.sav", tempStateID++);
   1.783 +		CPUWriteState(tempBackupName);
   1.784 +	}
   1.785 +
   1.786 +	int version = utilReadInt(gzFile);
   1.787 +
   1.788 +	if (version > SAVE_GAME_VERSION || version < SAVE_GAME_VERSION_1)
   1.789 +	{
   1.790 +		systemMessage(MSG_UNSUPPORTED_VBA_SGM,
   1.791 +		              N_("Unsupported VisualBoyAdvance save game version %d"),
   1.792 +		              version);
   1.793 +		goto failedLoad;
   1.794 +	}
   1.795 +
   1.796 +	u8 romname[17];
   1.797 +
   1.798 +	utilGzRead(gzFile, romname, 16);
   1.799 +
   1.800 +	if (memcmp(&rom[0xa0], romname, 16) != 0)
   1.801 +	{
   1.802 +		romname[16] = 0;
   1.803 +		for (int i = 0; i < 16; i++)
   1.804 +			if (romname[i] < 32)
   1.805 +				romname[i] = 32;
   1.806 +		systemMessage(MSG_CANNOT_LOAD_SGM, N_("Cannot load save game for %s"), romname);
   1.807 +		goto failedLoad;
   1.808 +	}
   1.809 +
   1.810 +	ub = utilReadInt(gzFile) ? true : false;
   1.811 +
   1.812 +	if (ub != useBios)
   1.813 +	{
   1.814 +		if (useBios)
   1.815 +			systemMessage(MSG_SAVE_GAME_NOT_USING_BIOS,
   1.816 +			              N_("Save game is not using the BIOS files"));
   1.817 +		else
   1.818 +			systemMessage(MSG_SAVE_GAME_USING_BIOS,
   1.819 +			              N_("Save game is using the BIOS file"));
   1.820 +		goto failedLoad;
   1.821 +	}
   1.822 +
   1.823 +	utilGzRead(gzFile, &reg[0], sizeof(reg));
   1.824 +
   1.825 +	utilReadData(gzFile, saveGameStruct);
   1.826 +
   1.827 +	if (version < SAVE_GAME_VERSION_3)
   1.828 +		stopState = false;
   1.829 +	else
   1.830 +		stopState = utilReadInt(gzFile) ? true : false;
   1.831 +
   1.832 +	if (version < SAVE_GAME_VERSION_4)
   1.833 +		intState = false;
   1.834 +	else
   1.835 +		intState = utilReadInt(gzFile) ? true : false;
   1.836 +
   1.837 +	utilGzRead(gzFile, internalRAM, 0x8000);
   1.838 +	utilGzRead(gzFile, paletteRAM, 0x400);
   1.839 +	utilGzRead(gzFile, workRAM, 0x40000);
   1.840 +	utilGzRead(gzFile, vram, 0x20000);
   1.841 +	utilGzRead(gzFile, oam, 0x400);
   1.842 +	if (version < SAVE_GAME_VERSION_6)
   1.843 +		utilGzRead(gzFile, pix, 4 * 240 * 160);
   1.844 +	else
   1.845 +		utilGzRead(gzFile, pix, 4 * 241 * 162);
   1.846 +	utilGzRead(gzFile, ioMem, 0x400);
   1.847 +
   1.848 +	eepromReadGame(gzFile, version);
   1.849 +	flashReadGame(gzFile, version);
   1.850 +	soundReadGame(gzFile, version);
   1.851 +
   1.852 +	if (version > SAVE_GAME_VERSION_1)
   1.853 +	{
   1.854 +		cheatsReadGame(gzFile);
   1.855 +	}
   1.856 +	if (version > SAVE_GAME_VERSION_6)
   1.857 +	{
   1.858 +		rtcReadGame(gzFile);
   1.859 +	}
   1.860 +
   1.861 +	if (version <= SAVE_GAME_VERSION_7)
   1.862 +	{
   1.863 +		u32 temp;
   1.864 +#define SWAP(a, b, c) \
   1.865 +	temp = (a); \
   1.866 +	(a)	 = (b) << 16 | (c); \
   1.867 +	(b)	 = (temp) >> 16; \
   1.868 +	(c)	 = (temp) & 0xFFFF;
   1.869 +
   1.870 +		SWAP(dma0Source, DM0SAD_H, DM0SAD_L);
   1.871 +		SWAP(dma0Dest,   DM0DAD_H, DM0DAD_L);
   1.872 +		SWAP(dma1Source, DM1SAD_H, DM1SAD_L);
   1.873 +		SWAP(dma1Dest,   DM1DAD_H, DM1DAD_L);
   1.874 +		SWAP(dma2Source, DM2SAD_H, DM2SAD_L);
   1.875 +		SWAP(dma2Dest,   DM2DAD_H, DM2DAD_L);
   1.876 +		SWAP(dma3Source, DM3SAD_H, DM3SAD_L);
   1.877 +		SWAP(dma3Dest,   DM3DAD_H, DM3DAD_L);
   1.878 +	}
   1.879 +
   1.880 +	// set pointers!
   1.881 +	layerEnable = layerSettings & DISPCNT;
   1.882 +
   1.883 +	CPUUpdateRender();
   1.884 +	CPUUpdateRenderBuffers(true);
   1.885 +	CPUUpdateWindow0();
   1.886 +	CPUUpdateWindow1();
   1.887 +	gbaSaveType = 0;
   1.888 +	switch (saveType)
   1.889 +	{
   1.890 +	case 0:
   1.891 +		cpuSaveGameFunc = flashSaveDecide;
   1.892 +		break;
   1.893 +	case 1:
   1.894 +		cpuSaveGameFunc = sramWrite;
   1.895 +		gbaSaveType		= 1;
   1.896 +		break;
   1.897 +	case 2:
   1.898 +		cpuSaveGameFunc = flashWrite;
   1.899 +		gbaSaveType		= 2;
   1.900 +		break;
   1.901 +	default:
   1.902 +		systemMessage(MSG_UNSUPPORTED_SAVE_TYPE,
   1.903 +		              N_("Unsupported save type %d"), saveType);
   1.904 +		break;
   1.905 +	}
   1.906 +	if (eepromInUse)
   1.907 +		gbaSaveType = 3;
   1.908 +
   1.909 +	systemSaveUpdateCounter = SYSTEM_SAVE_NOT_UPDATED;
   1.910 +
   1.911 +	if (version >= SAVE_GAME_VERSION_9) // new to re-recording version:
   1.912 +	{
   1.913 +		extern int32 sensorX, sensorY; // from SDL.cpp
   1.914 +		utilGzRead(gzFile, &sensorX, sizeof(sensorX));
   1.915 +		utilGzRead(gzFile, &sensorY, sizeof(sensorY));
   1.916 +
   1.917 +		bool8 movieSnapshot;
   1.918 +		utilGzRead(gzFile, &movieSnapshot, sizeof(movieSnapshot));
   1.919 +		if (VBAMovieActive() && !movieSnapshot)
   1.920 +		{
   1.921 +			systemMessage(0, N_("Can't load a non-movie snapshot while a movie is active."));
   1.922 +			goto failedLoad;
   1.923 +		}
   1.924 +
   1.925 +		if (movieSnapshot) // even if a movie isn't active we still want to parse through this in case other stuff is added
   1.926 +		                   // later on in the save format
   1.927 +		{
   1.928 +			uint32 movieInputDataSize = 0;
   1.929 +			utilGzRead(gzFile, &movieInputDataSize, sizeof(movieInputDataSize));
   1.930 +			uint8 *local_movie_data = new uint8[movieInputDataSize];
   1.931 +			int	   readBytes		= utilGzRead(gzFile, local_movie_data, movieInputDataSize);
   1.932 +			if (readBytes != movieInputDataSize)
   1.933 +			{
   1.934 +				systemMessage(0, N_("Corrupt movie snapshot."));
   1.935 +				if (local_movie_data)
   1.936 +					delete [] local_movie_data;
   1.937 +				goto failedLoad;
   1.938 +			}
   1.939 +			int code = VBAMovieUnfreeze(local_movie_data, movieInputDataSize);
   1.940 +			if (local_movie_data)
   1.941 +				delete [] local_movie_data;
   1.942 +			if (code != MOVIE_SUCCESS && VBAMovieActive())
   1.943 +			{
   1.944 +				char errStr [1024];
   1.945 +				strcpy(errStr, "Failed to load movie snapshot");
   1.946 +				switch (code)
   1.947 +				{
   1.948 +				case MOVIE_NOT_FROM_THIS_MOVIE:
   1.949 +					strcat(errStr, ";\nSnapshot not from this movie"); break;
   1.950 +				case MOVIE_NOT_FROM_A_MOVIE:
   1.951 +					strcat(errStr, ";\nNot a movie snapshot"); break;                   // shouldn't get here...
   1.952 +				case MOVIE_SNAPSHOT_INCONSISTENT:
   1.953 +					strcat(errStr, ";\nSnapshot inconsistent with movie"); break;
   1.954 +				case MOVIE_WRONG_FORMAT:
   1.955 +					strcat(errStr, ";\nWrong format"); break;
   1.956 +				}
   1.957 +				strcat(errStr, ".");
   1.958 +				systemMessage(0, N_(errStr));
   1.959 +				goto failedLoad;
   1.960 +			}
   1.961 +		}
   1.962 +		utilGzRead(gzFile, &GBASystemCounters.frameCount, sizeof(GBASystemCounters.frameCount));
   1.963 +	}
   1.964 +	if (version >= SAVE_GAME_VERSION_10)
   1.965 +	{
   1.966 +		utilGzRead(gzFile, memoryWait, 16 * sizeof(int32));
   1.967 +		utilGzRead(gzFile, memoryWait32, 16 * sizeof(int32));
   1.968 +		utilGzRead(gzFile, memoryWaitSeq, 16 * sizeof(int32));
   1.969 +		utilGzRead(gzFile, memoryWaitSeq32, 16 * sizeof(int32));
   1.970 +		utilGzRead(gzFile, memoryWaitFetch, 16 * sizeof(int32));
   1.971 +		utilGzRead(gzFile, memoryWaitFetch32, 16 * sizeof(int32));
   1.972 +	}
   1.973 +	if (version >= SAVE_GAME_VERSION_11)
   1.974 +	{
   1.975 +		utilGzRead(gzFile, &prefetchActive, sizeof(bool8));
   1.976 +		//if(prefetchActive && !prefetchPrevActive) systemScreenMessage("pre-fetch enabled",3,600);
   1.977 +		//if(!prefetchActive && prefetchPrevActive) systemScreenMessage("pre-fetch disabled",3,600);
   1.978 +		utilGzRead(gzFile, &prefetchPrevActive, sizeof(bool8));
   1.979 +		utilGzRead(gzFile, &prefetchApplies, sizeof(bool8));
   1.980 +	}
   1.981 +	if (version >= SAVE_GAME_VERSION_12)
   1.982 +	{
   1.983 +		utilGzRead(gzFile, &memLagTempEnabled, sizeof(bool8)); // necessary
   1.984 +		utilGzRead(gzFile, &speedHack, sizeof(bool8)); // just in case it's ever used...
   1.985 +	}
   1.986 +	if (version >= SAVE_GAME_VERSION_13)
   1.987 +	{
   1.988 +		utilGzRead(gzFile, &GBASystemCounters.lagCount, sizeof(GBASystemCounters.lagCount));
   1.989 +		utilGzRead(gzFile, &GBASystemCounters.lagged, sizeof(GBASystemCounters.lagged));
   1.990 +		utilGzRead(gzFile, &GBASystemCounters.laggedLast, sizeof(GBASystemCounters.laggedLast));
   1.991 +	}
   1.992 +
   1.993 +	if (backupSafe)
   1.994 +	{
   1.995 +		remove(tempBackupName);
   1.996 +		tempFailCount = 0;
   1.997 +	}
   1.998 +	systemSetJoypad(0, ~P1 & 0x3FF);
   1.999 +	VBAUpdateButtonPressDisplay();
  1.1000 +	VBAUpdateFrameCountDisplay();
  1.1001 +	systemRefreshScreen();
  1.1002 +	return true;
  1.1003 +
  1.1004 +failedLoad:
  1.1005 +	if (backupSafe)
  1.1006 +	{
  1.1007 +		tempFailCount++;
  1.1008 +		if (tempFailCount < 3) // fail no more than 2 times in a row
  1.1009 +			CPUReadState(tempBackupName);
  1.1010 +		remove(tempBackupName);
  1.1011 +	}
  1.1012 +	return false;
  1.1013 +}
  1.1014 +
  1.1015 +bool CPUReadMemState(char *memory, int available)
  1.1016 +{
  1.1017 +	gzFile gzFile = utilMemGzOpen(memory, available, "r");
  1.1018 +
  1.1019 +	backupSafe = false;
  1.1020 +	bool res = CPUReadStateFromStream(gzFile);
  1.1021 +	backupSafe = true;
  1.1022 +
  1.1023 +	utilGzClose(gzFile);
  1.1024 +
  1.1025 +	return res;
  1.1026 +}
  1.1027 +
  1.1028 +bool CPUReadState(const char *file)
  1.1029 +{
  1.1030 +	gzFile gzFile = utilGzOpen(file, "rb");
  1.1031 +
  1.1032 +	if (gzFile == NULL)
  1.1033 +		return false;
  1.1034 +
  1.1035 +	bool res = CPUReadStateFromStream(gzFile);
  1.1036 +
  1.1037 +	utilGzClose(gzFile);
  1.1038 +
  1.1039 +	return res;
  1.1040 +}
  1.1041 +
  1.1042 +bool CPUExportEepromFile(const char *fileName)
  1.1043 +{
  1.1044 +	if (eepromInUse)
  1.1045 +	{
  1.1046 +		FILE *file = fopen(fileName, "wb");
  1.1047 +
  1.1048 +		if (!file)
  1.1049 +		{
  1.1050 +			systemMessage(MSG_ERROR_CREATING_FILE, N_("Error creating file %s"),
  1.1051 +			              fileName);
  1.1052 +			return false;
  1.1053 +		}
  1.1054 +
  1.1055 +		for (int i = 0; i < eepromSize; )
  1.1056 +		{
  1.1057 +			for (int j = 0; j < 8; j++)
  1.1058 +			{
  1.1059 +				if (fwrite(&eepromData[i + 7 - j], 1, 1, file) != 1)
  1.1060 +				{
  1.1061 +					fclose(file);
  1.1062 +					return false;
  1.1063 +				}
  1.1064 +			}
  1.1065 +			i += 8;
  1.1066 +		}
  1.1067 +		fclose(file);
  1.1068 +	}
  1.1069 +	return true;
  1.1070 +}
  1.1071 +
  1.1072 +bool CPUWriteBatteryToStream(gzFile gzFile)
  1.1073 +{
  1.1074 +	if (!gzFile)
  1.1075 +		return false;
  1.1076 +
  1.1077 +	utilWriteInt(gzFile, SAVE_GAME_VERSION);
  1.1078 +
  1.1079 +	// for simplicity, we put both types of battery files should be in the stream, even if one's empty
  1.1080 +	eepromSaveGame(gzFile);
  1.1081 +	flashSaveGame(gzFile);
  1.1082 +
  1.1083 +	return true;
  1.1084 +}
  1.1085 +
  1.1086 +bool CPUWriteBatteryFile(const char *fileName)
  1.1087 +{
  1.1088 +	if (gbaSaveType == 0)
  1.1089 +	{
  1.1090 +		if (eepromInUse)
  1.1091 +			gbaSaveType = 3;
  1.1092 +		else
  1.1093 +			switch (saveType)
  1.1094 +			{
  1.1095 +			case 1:
  1.1096 +				gbaSaveType = 1;
  1.1097 +				break;
  1.1098 +			case 2:
  1.1099 +				gbaSaveType = 2;
  1.1100 +				break;
  1.1101 +			}
  1.1102 +	}
  1.1103 +
  1.1104 +	if (gbaSaveType)
  1.1105 +	{
  1.1106 +		FILE *file = fopen(fileName, "wb");
  1.1107 +
  1.1108 +		if (!file)
  1.1109 +		{
  1.1110 +			systemMessage(MSG_ERROR_CREATING_FILE, N_("Error creating file %s"),
  1.1111 +			              fileName);
  1.1112 +			return false;
  1.1113 +		}
  1.1114 +
  1.1115 +		// only save if Flash/Sram in use or EEprom in use
  1.1116 +		if (gbaSaveType != 3)
  1.1117 +		{
  1.1118 +			if (gbaSaveType == 2)
  1.1119 +			{
  1.1120 +				if (fwrite(flashSaveMemory, 1, flashSize, file) != (size_t)flashSize)
  1.1121 +				{
  1.1122 +					fclose(file);
  1.1123 +					return false;
  1.1124 +				}
  1.1125 +			}
  1.1126 +			else
  1.1127 +			{
  1.1128 +				if (fwrite(flashSaveMemory, 1, 0x10000, file) != 0x10000)
  1.1129 +				{
  1.1130 +					fclose(file);
  1.1131 +					return false;
  1.1132 +				}
  1.1133 +			}
  1.1134 +		}
  1.1135 +		else
  1.1136 +		{
  1.1137 +			if (fwrite(eepromData, 1, eepromSize, file) != (size_t)eepromSize)
  1.1138 +			{
  1.1139 +				fclose(file);
  1.1140 +				return false;
  1.1141 +			}
  1.1142 +		}
  1.1143 +		fclose(file);
  1.1144 +	}
  1.1145 +
  1.1146 +	return true;
  1.1147 +}
  1.1148 +
  1.1149 +bool CPUReadGSASnapshot(const char *fileName)
  1.1150 +{
  1.1151 +	int	  i;
  1.1152 +	FILE *file = fopen(fileName, "rb");
  1.1153 +
  1.1154 +	if (!file)
  1.1155 +	{
  1.1156 +		systemMessage(MSG_CANNOT_OPEN_FILE, N_("Cannot open file %s"), fileName);
  1.1157 +		return false;
  1.1158 +	}
  1.1159 +
  1.1160 +	// check file size to know what we should read
  1.1161 +	fseek(file, 0, SEEK_END);
  1.1162 +
  1.1163 +	// long size = ftell(file);
  1.1164 +	fseek(file, 0x0, SEEK_SET);
  1.1165 +	fread(&i, 1, 4, file);
  1.1166 +	fseek(file, i, SEEK_CUR); // Skip SharkPortSave
  1.1167 +	fseek(file, 4, SEEK_CUR); // skip some sort of flag
  1.1168 +	fread(&i, 1, 4, file); // name length
  1.1169 +	fseek(file, i, SEEK_CUR); // skip name
  1.1170 +	fread(&i, 1, 4, file); // desc length
  1.1171 +	fseek(file, i, SEEK_CUR); // skip desc
  1.1172 +	fread(&i, 1, 4, file); // notes length
  1.1173 +	fseek(file, i, SEEK_CUR); // skip notes
  1.1174 +	int saveSize;
  1.1175 +	fread(&saveSize, 1, 4, file); // read length
  1.1176 +	saveSize -= 0x1c; // remove header size
  1.1177 +	char buffer[17];
  1.1178 +	char buffer2[17];
  1.1179 +	fread(buffer, 1, 16, file);
  1.1180 +	buffer[16] = 0;
  1.1181 +	for (i = 0; i < 16; i++)
  1.1182 +		if (buffer[i] < 32)
  1.1183 +			buffer[i] = 32;
  1.1184 +	memcpy(buffer2, &rom[0xa0], 16);
  1.1185 +	buffer2[16] = 0;
  1.1186 +	for (i = 0; i < 16; i++)
  1.1187 +		if (buffer2[i] < 32)
  1.1188 +			buffer2[i] = 32;
  1.1189 +	if (memcmp(buffer, buffer2, 16))
  1.1190 +	{
  1.1191 +		systemMessage(MSG_CANNOT_IMPORT_SNAPSHOT_FOR,
  1.1192 +		              N_("Cannot import snapshot for %s. Current game is %s"),
  1.1193 +		              buffer,
  1.1194 +		              buffer2);
  1.1195 +		fclose(file);
  1.1196 +		return false;
  1.1197 +	}
  1.1198 +	fseek(file, 12, SEEK_CUR); // skip some flags
  1.1199 +	if (saveSize >= 65536)
  1.1200 +	{
  1.1201 +		if (fread(flashSaveMemory, 1, saveSize, file) != (size_t)saveSize)
  1.1202 +		{
  1.1203 +			fclose(file);
  1.1204 +			return false;
  1.1205 +		}
  1.1206 +	}
  1.1207 +	else
  1.1208 +	{
  1.1209 +		systemMessage(MSG_UNSUPPORTED_SNAPSHOT_FILE,
  1.1210 +		              N_("Unsupported snapshot file %s"),
  1.1211 +		              fileName);
  1.1212 +		fclose(file);
  1.1213 +		return false;
  1.1214 +	}
  1.1215 +	fclose(file);
  1.1216 +	CPUReset();
  1.1217 +	return true;
  1.1218 +}
  1.1219 +
  1.1220 +bool CPUWriteGSASnapshot(const char *fileName,
  1.1221 +                         const char *title,
  1.1222 +                         const char *desc,
  1.1223 +                         const char *notes)
  1.1224 +{
  1.1225 +	FILE *file = fopen(fileName, "wb");
  1.1226 +
  1.1227 +	if (!file)
  1.1228 +	{
  1.1229 +		systemMessage(MSG_CANNOT_OPEN_FILE, N_("Cannot open file %s"), fileName);
  1.1230 +		return false;
  1.1231 +	}
  1.1232 +
  1.1233 +	u8 buffer[17];
  1.1234 +
  1.1235 +	utilPutDword(buffer, 0x0d); // SharkPortSave length
  1.1236 +	fwrite(buffer, 1, 4, file);
  1.1237 +	fwrite("SharkPortSave", 1, 0x0d, file);
  1.1238 +	utilPutDword(buffer, 0x000f0000);
  1.1239 +	fwrite(buffer, 1, 4, file); // save type 0x000f0000 = GBA save
  1.1240 +	utilPutDword(buffer, strlen(title));
  1.1241 +	fwrite(buffer, 1, 4, file); // title length
  1.1242 +	fwrite(title, 1, strlen(title), file);
  1.1243 +	utilPutDword(buffer, strlen(desc));
  1.1244 +	fwrite(buffer, 1, 4, file); // desc length
  1.1245 +	fwrite(desc, 1, strlen(desc), file);
  1.1246 +	utilPutDword(buffer, strlen(notes));
  1.1247 +	fwrite(buffer, 1, 4, file); // notes length
  1.1248 +	fwrite(notes, 1, strlen(notes), file);
  1.1249 +	int saveSize = 0x10000;
  1.1250 +	if (gbaSaveType == 2)
  1.1251 +		saveSize = flashSize;
  1.1252 +	int totalSize = saveSize + 0x1c;
  1.1253 +
  1.1254 +	utilPutDword(buffer, totalSize); // length of remainder of save - CRC
  1.1255 +	fwrite(buffer, 1, 4, file);
  1.1256 +
  1.1257 +	char temp[0x2001c];
  1.1258 +	memset(temp, 0, 28);
  1.1259 +	memcpy(temp, &rom[0xa0], 16); // copy internal name
  1.1260 +	temp[0x10] = rom[0xbe]; // reserved area (old checksum)
  1.1261 +	temp[0x11] = rom[0xbf]; // reserved area (old checksum)
  1.1262 +	temp[0x12] = rom[0xbd]; // complement check
  1.1263 +	temp[0x13] = rom[0xb0]; // maker
  1.1264 +	temp[0x14] = 1; // 1 save ?
  1.1265 +	memcpy(&temp[0x1c], flashSaveMemory, saveSize); // copy save
  1.1266 +	fwrite(temp, 1, totalSize, file); // write save + header
  1.1267 +	u32 crc = 0;
  1.1268 +
  1.1269 +	for (int i = 0; i < totalSize; i++)
  1.1270 +	{
  1.1271 +		crc += ((u32)temp[i] << (crc % 0x18));
  1.1272 +	}
  1.1273 +
  1.1274 +	utilPutDword(buffer, crc);
  1.1275 +	fwrite(buffer, 1, 4, file); // CRC?
  1.1276 +
  1.1277 +	fclose(file);
  1.1278 +	return true;
  1.1279 +}
  1.1280 +
  1.1281 +bool CPUImportEepromFile(const char *fileName)
  1.1282 +{
  1.1283 +	FILE *file = fopen(fileName, "rb");
  1.1284 +
  1.1285 +	if (!file)
  1.1286 +		return false;
  1.1287 +
  1.1288 +	// check file size to know what we should read
  1.1289 +	fseek(file, 0, SEEK_END);
  1.1290 +
  1.1291 +	long size = ftell(file);
  1.1292 +	fseek(file, 0, SEEK_SET);
  1.1293 +	if (size == 512 || size == 0x2000)
  1.1294 +	{
  1.1295 +		if (fread(eepromData, 1, size, file) != (size_t)size)
  1.1296 +		{
  1.1297 +			fclose(file);
  1.1298 +			return false;
  1.1299 +		}
  1.1300 +		for (int i = 0; i < size; )
  1.1301 +		{
  1.1302 +			u8 tmp = eepromData[i];
  1.1303 +			eepromData[i]	  = eepromData[7 - i];
  1.1304 +			eepromData[7 - i] = tmp;
  1.1305 +			i++;
  1.1306 +			tmp = eepromData[i];
  1.1307 +			eepromData[i]	  = eepromData[7 - i];
  1.1308 +			eepromData[7 - i] = tmp;
  1.1309 +			i++;
  1.1310 +			tmp = eepromData[i];
  1.1311 +			eepromData[i]	  = eepromData[7 - i];
  1.1312 +			eepromData[7 - i] = tmp;
  1.1313 +			i++;
  1.1314 +			tmp = eepromData[i];
  1.1315 +			eepromData[i]	  = eepromData[7 - i];
  1.1316 +			eepromData[7 - i] = tmp;
  1.1317 +			i++;
  1.1318 +			i += 4;
  1.1319 +		}
  1.1320 +	}
  1.1321 +	else
  1.1322 +	{
  1.1323 +		fclose(file);
  1.1324 +		return false;
  1.1325 +	}
  1.1326 +	fclose(file);
  1.1327 +	return true;
  1.1328 +}
  1.1329 +
  1.1330 +bool CPUReadBatteryFromStream(gzFile gzFile)
  1.1331 +{
  1.1332 +	if (!gzFile)
  1.1333 +		return false;
  1.1334 +
  1.1335 +	int version = utilReadInt(gzFile);
  1.1336 +
  1.1337 +	// for simplicity, we put both types of battery files should be in the stream, even if one's empty
  1.1338 +	eepromReadGame(gzFile, version);
  1.1339 +	flashReadGame(gzFile, version);
  1.1340 +
  1.1341 +	return true;
  1.1342 +}
  1.1343 +
  1.1344 +bool CPUReadBatteryFile(const char *fileName)
  1.1345 +{
  1.1346 +	FILE *file = fopen(fileName, "rb");
  1.1347 +
  1.1348 +	if (!file)
  1.1349 +		return false;
  1.1350 +
  1.1351 +	// check file size to know what we should read
  1.1352 +	fseek(file, 0, SEEK_END);
  1.1353 +
  1.1354 +	long size = ftell(file);
  1.1355 +	fseek(file, 0, SEEK_SET);
  1.1356 +	systemSaveUpdateCounter = SYSTEM_SAVE_NOT_UPDATED;
  1.1357 +
  1.1358 +	if (size == 512 || size == 0x2000)
  1.1359 +	{
  1.1360 +		if (fread(eepromData, 1, size, file) != (size_t)size)
  1.1361 +		{
  1.1362 +			fclose(file);
  1.1363 +			return false;
  1.1364 +		}
  1.1365 +	}
  1.1366 +	else
  1.1367 +	{
  1.1368 +		if (size == 0x20000)
  1.1369 +		{
  1.1370 +			if (fread(flashSaveMemory, 1, 0x20000, file) != 0x20000)
  1.1371 +			{
  1.1372 +				fclose(file);
  1.1373 +				return false;
  1.1374 +			}
  1.1375 +			flashSetSize(0x20000);
  1.1376 +		}
  1.1377 +		else
  1.1378 +		{
  1.1379 +			if (fread(flashSaveMemory, 1, 0x10000, file) != 0x10000)
  1.1380 +			{
  1.1381 +				fclose(file);
  1.1382 +				return false;
  1.1383 +			}
  1.1384 +			flashSetSize(0x10000);
  1.1385 +		}
  1.1386 +	}
  1.1387 +	fclose(file);
  1.1388 +	return true;
  1.1389 +}
  1.1390 +
  1.1391 +bool CPUWritePNGFile(const char *fileName)
  1.1392 +{
  1.1393 +	return utilWritePNGFile(fileName, 240, 160, pix);
  1.1394 +}
  1.1395 +
  1.1396 +bool CPUWriteBMPFile(const char *fileName)
  1.1397 +{
  1.1398 +	return utilWriteBMPFile(fileName, 240, 160, pix);
  1.1399 +}
  1.1400 +
  1.1401 +void CPUCleanUp()
  1.1402 +{
  1.1403 +	newFrame	  = true;
  1.1404 +
  1.1405 +	GBASystemCounters.frameCount = 0;
  1.1406 +	GBASystemCounters.lagCount	 = 0;
  1.1407 +	GBASystemCounters.extraCount = 0;
  1.1408 +	GBASystemCounters.lagged	 = true;
  1.1409 +	GBASystemCounters.laggedLast = true;
  1.1410 +
  1.1411 +#ifdef PROFILING
  1.1412 +	if (profilingTicksReload)
  1.1413 +	{
  1.1414 +		profCleanup();
  1.1415 +	}
  1.1416 +#endif
  1.1417 +
  1.1418 +#if (defined(WIN32) && !defined(SDL))
  1.1419 +	#define FreeMappedMem(name, mapName, offset) \
  1.1420 +	if (name != NULL) { \
  1.1421 +		UnmapViewOfFile((name) - (offset)); \
  1.1422 +		name = NULL; \
  1.1423 +		CloseHandle(mapName); \
  1.1424 +	}
  1.1425 +#else
  1.1426 +	#define FreeMappedMem(name, mapName, offset) \
  1.1427 +	if (name != NULL) { \
  1.1428 +		free(name); \
  1.1429 +		name = NULL; \
  1.1430 +	}
  1.1431 +#endif
  1.1432 +
  1.1433 +	FreeMappedMem(rom, mapROM, 0);
  1.1434 +	FreeMappedMem(vram, mapVRAM, 0);
  1.1435 +	FreeMappedMem(paletteRAM, mapPALETTERAM, 0);
  1.1436 +	FreeMappedMem(internalRAM, mapIRAM, 0);
  1.1437 +	FreeMappedMem(workRAM, mapWORKRAM, 0);
  1.1438 +	FreeMappedMem(bios, mapBIOS, 0);
  1.1439 +	FreeMappedMem(pix, mapPIX, 4);
  1.1440 +	FreeMappedMem(oam, mapOAM, 0);
  1.1441 +	FreeMappedMem(ioMem, mapIOMEM, 0);
  1.1442 +
  1.1443 +	eepromErase();
  1.1444 +	flashErase();
  1.1445 +
  1.1446 +	elfCleanUp();
  1.1447 +
  1.1448 +	systemSaveUpdateCounter = SYSTEM_SAVE_NOT_UPDATED;
  1.1449 +
  1.1450 +	systemClearJoypads();
  1.1451 +	systemResetSensor();
  1.1452 +
  1.1453 +//	gbaLastTime = gbaFrameCount = 0;
  1.1454 +	systemRefreshScreen();
  1.1455 +}
  1.1456 +
  1.1457 +int CPULoadRom(const char *szFile)
  1.1458 +{
  1.1459 +	int size = 0x2000000;
  1.1460 +
  1.1461 +	if (rom != NULL)
  1.1462 +	{
  1.1463 +		CPUCleanUp();
  1.1464 +	}
  1.1465 +
  1.1466 +	systemSaveUpdateCounter = SYSTEM_SAVE_NOT_UPDATED;
  1.1467 +
  1.1468 +	// size+4 is so RAM search and watch are safe to read any byte in the allocated region as a 4-byte int
  1.1469 +#if (defined(WIN32) && !defined(SDL))
  1.1470 +	#define AllocMappedMem(name, mapName, nameStr, size, useCalloc, offset) \
  1.1471 +	mapName = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE, 0, (size) + (offset) + (4), nameStr); \
  1.1472 +	if ((mapName) && GetLastError() == ERROR_ALREADY_EXISTS) { \
  1.1473 +		CloseHandle(mapName); \
  1.1474 +		mapName = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE, 0, (size) + (offset) + (4), NULL); \
  1.1475 +	} \
  1.1476 +	name = (u8 *)MapViewOfFile(mapName, FILE_MAP_WRITE, 0, 0, 0) + (offset); \
  1.1477 +	if ((name) == NULL) { \
  1.1478 +		systemMessage(MSG_OUT_OF_MEMORY, N_("Failed to allocate memory for %s"), nameStr); \
  1.1479 +		CPUCleanUp(); \
  1.1480 +		return 0; \
  1.1481 +	} \
  1.1482 +	memset(name, 0, size + 4);
  1.1483 +#else
  1.1484 +	#define AllocMappedMem(name, mapName, nameStr, size, useCalloc, offset) \
  1.1485 +	name = (u8 *)(useCalloc ? calloc(1, size + 4) : malloc(size + 4)); \
  1.1486 +	if ((name) == NULL) { \
  1.1487 +		systemMessage(MSG_OUT_OF_MEMORY, N_("Failed to allocate memory for %s"), nameStr); \
  1.1488 +		CPUCleanUp(); \
  1.1489 +		return 0; \
  1.1490 +	} \
  1.1491 +	memset(name, 0, size + 4);
  1.1492 +#endif
  1.1493 +
  1.1494 +	AllocMappedMem(rom, mapROM, "vbaROM", 0x2000000, false, 0);
  1.1495 +	AllocMappedMem(workRAM, mapWORKRAM, "vbaWORKRAM", 0x40000, true, 0);
  1.1496 +
  1.1497 +	u8 *whereToLoad = rom;
  1.1498 +	if (cpuIsMultiBoot)
  1.1499 +		whereToLoad = workRAM;
  1.1500 +
  1.1501 +	if (utilIsELF(szFile))
  1.1502 +	{
  1.1503 +		FILE *f = fopen(szFile, "rb");
  1.1504 +		if (!f)
  1.1505 +		{
  1.1506 +			systemMessage(MSG_ERROR_OPENING_IMAGE, N_("Error opening image %s"),
  1.1507 +			              szFile);
  1.1508 +			FreeMappedMem(rom, mapROM, 0);
  1.1509 +			FreeMappedMem(workRAM, mapWORKRAM, 0);
  1.1510 +			return 0;
  1.1511 +		}
  1.1512 +		bool res = elfRead(szFile, size, f);
  1.1513 +		if (!res || size == 0)
  1.1514 +		{
  1.1515 +			FreeMappedMem(rom, mapROM, 0);
  1.1516 +			FreeMappedMem(workRAM, mapWORKRAM, 0);
  1.1517 +			elfCleanUp();
  1.1518 +			return 0;
  1.1519 +		}
  1.1520 +	}
  1.1521 +	else if (!utilLoad(szFile,
  1.1522 +	                   utilIsGBAImage,
  1.1523 +	                   whereToLoad,
  1.1524 +	                   size))
  1.1525 +	{
  1.1526 +		FreeMappedMem(rom, mapROM, 0);
  1.1527 +		FreeMappedMem(workRAM, mapWORKRAM, 0);
  1.1528 +		return 0;
  1.1529 +	}
  1.1530 +
  1.1531 +	u16 *temp = (u16 *)(rom + ((size + 1) & ~1));
  1.1532 +	int	 i;
  1.1533 +	for (i = (size + 1) & ~1; i < 0x2000000; i += 2)
  1.1534 +	{
  1.1535 +		WRITE16LE(temp, (i >> 1) & 0xFFFF);
  1.1536 +		temp++;
  1.1537 +	}
  1.1538 +
  1.1539 +	AllocMappedMem(bios, mapBIOS, "vbaBIOS", 0x4000, true, 0);
  1.1540 +	AllocMappedMem(internalRAM, mapIRAM, "vbaIRAM", 0x8000, true, 0);
  1.1541 +	AllocMappedMem(paletteRAM, mapPALETTERAM, "vbaPALETTERAM", 0x400, true, 0);
  1.1542 +	AllocMappedMem(vram, mapVRAM, "vbaVRAM", 0x20000, true, 0);
  1.1543 +	AllocMappedMem(oam, mapOAM, "vbaOAM", 0x400, true, 0);
  1.1544 +
  1.1545 +	// HACK: +4 at start to accomodate the 2xSaI filter reading out of bounds of the leftmost pixel
  1.1546 +	AllocMappedMem(pix, mapPIX, "vbaPIX", 4 * 241 * 162, true, 4);
  1.1547 +	AllocMappedMem(ioMem, mapIOMEM, "vbaIOMEM", 0x400, true, 0);
  1.1548 +
  1.1549 +	CPUUpdateRenderBuffers(true);
  1.1550 +
  1.1551 +	return size;
  1.1552 +}
  1.1553 +
  1.1554 +void CPUUpdateRender()
  1.1555 +{
  1.1556 +	switch (DISPCNT & 7)
  1.1557 +	{
  1.1558 +	case 0:
  1.1559 +		if ((!fxOn && !windowOn && !(layerEnable & 0x8000)) ||
  1.1560 +		    cpuDisableSfx)
  1.1561 +			renderLine = mode0RenderLine;
  1.1562 +		else if (fxOn && !windowOn && !(layerEnable & 0x8000))
  1.1563 +			renderLine = mode0RenderLineNoWindow;
  1.1564 +		else
  1.1565 +			renderLine = mode0RenderLineAll;
  1.1566 +		break;
  1.1567 +	case 1:
  1.1568 +		if ((!fxOn && !windowOn && !(layerEnable & 0x8000)) ||
  1.1569 +		    cpuDisableSfx)
  1.1570 +			renderLine = mode1RenderLine;
  1.1571 +		else if (fxOn && !windowOn && !(layerEnable & 0x8000))
  1.1572 +			renderLine = mode1RenderLineNoWindow;
  1.1573 +		else
  1.1574 +			renderLine = mode1RenderLineAll;
  1.1575 +		break;
  1.1576 +	case 2:
  1.1577 +		if ((!fxOn && !windowOn && !(layerEnable & 0x8000)) ||
  1.1578 +		    cpuDisableSfx)
  1.1579 +			renderLine = mode2RenderLine;
  1.1580 +		else if (fxOn && !windowOn && !(layerEnable & 0x8000))
  1.1581 +			renderLine = mode2RenderLineNoWindow;
  1.1582 +		else
  1.1583 +			renderLine = mode2RenderLineAll;
  1.1584 +		break;
  1.1585 +	case 3:
  1.1586 +		if ((!fxOn && !windowOn && !(layerEnable & 0x8000)) ||
  1.1587 +		    cpuDisableSfx)
  1.1588 +			renderLine = mode3RenderLine;
  1.1589 +		else if (fxOn && !windowOn && !(layerEnable & 0x8000))
  1.1590 +			renderLine = mode3RenderLineNoWindow;
  1.1591 +		else
  1.1592 +			renderLine = mode3RenderLineAll;
  1.1593 +		break;
  1.1594 +	case 4:
  1.1595 +		if ((!fxOn && !windowOn && !(layerEnable & 0x8000)) ||
  1.1596 +		    cpuDisableSfx)
  1.1597 +			renderLine = mode4RenderLine;
  1.1598 +		else if (fxOn && !windowOn && !(layerEnable & 0x8000))
  1.1599 +			renderLine = mode4RenderLineNoWindow;
  1.1600 +		else
  1.1601 +			renderLine = mode4RenderLineAll;
  1.1602 +		break;
  1.1603 +	case 5:
  1.1604 +		if ((!fxOn && !windowOn && !(layerEnable & 0x8000)) ||
  1.1605 +		    cpuDisableSfx)
  1.1606 +			renderLine = mode5RenderLine;
  1.1607 +		else if (fxOn && !windowOn && !(layerEnable & 0x8000))
  1.1608 +			renderLine = mode5RenderLineNoWindow;
  1.1609 +		else
  1.1610 +			renderLine = mode5RenderLineAll;
  1.1611 +	default:
  1.1612 +		break;
  1.1613 +	}
  1.1614 +}
  1.1615 +
  1.1616 +void CPUUpdateCPSR()
  1.1617 +{
  1.1618 +	u32 CPSR = reg[16].I & 0x40;
  1.1619 +	if (N_FLAG)
  1.1620 +		CPSR |= 0x80000000;
  1.1621 +	if (Z_FLAG)
  1.1622 +		CPSR |= 0x40000000;
  1.1623 +	if (C_FLAG)
  1.1624 +		CPSR |= 0x20000000;
  1.1625 +	if (V_FLAG)
  1.1626 +		CPSR |= 0x10000000;
  1.1627 +	if (!armState)
  1.1628 +		CPSR |= 0x00000020;
  1.1629 +	if (!armIrqEnable)
  1.1630 +		CPSR |= 0x80;
  1.1631 +	CPSR	 |= (armMode & 0x1F);
  1.1632 +	reg[16].I = CPSR;
  1.1633 +}
  1.1634 +
  1.1635 +void CPUUpdateFlags(bool breakLoop)
  1.1636 +{
  1.1637 +	u32 CPSR = reg[16].I;
  1.1638 +
  1.1639 +	N_FLAG		 = (CPSR & 0x80000000) ? true : false;
  1.1640 +	Z_FLAG		 = (CPSR & 0x40000000) ? true : false;
  1.1641 +	C_FLAG		 = (CPSR & 0x20000000) ? true : false;
  1.1642 +	V_FLAG		 = (CPSR & 0x10000000) ? true : false;
  1.1643 +	armState	 = (CPSR & 0x20) ? false : true;
  1.1644 +	armIrqEnable = (CPSR & 0x80) ? false : true;
  1.1645 +	if (breakLoop)
  1.1646 +	{
  1.1647 +		if (armIrqEnable && (IF & IE) && (IME & 1))
  1.1648 +		{
  1.1649 +			CPU_BREAK_LOOP_2;
  1.1650 +		}
  1.1651 +	}
  1.1652 +}
  1.1653 +
  1.1654 +void CPUUpdateFlags()
  1.1655 +{
  1.1656 +	CPUUpdateFlags(true);
  1.1657 +}
  1.1658 +
  1.1659 +#ifdef WORDS_BIGENDIAN
  1.1660 +static void CPUSwap(volatile u32 *a, volatile u32 *b)
  1.1661 +{
  1.1662 +	volatile u32 c = *b;
  1.1663 +	*b = *a;
  1.1664 +	*a = c;
  1.1665 +}
  1.1666 +
  1.1667 +#else
  1.1668 +static void CPUSwap(u32 *a, u32 *b)
  1.1669 +{
  1.1670 +	u32 c = *b;
  1.1671 +	*b = *a;
  1.1672 +	*a = c;
  1.1673 +}
  1.1674 +
  1.1675 +#endif
  1.1676 +
  1.1677 +void CPUSwitchMode(int mode, bool saveState, bool breakLoop)
  1.1678 +{
  1.1679 +	//  if(armMode == mode)
  1.1680 +	//    return;
  1.1681 +
  1.1682 +	CPUUpdateCPSR();
  1.1683 +
  1.1684 +	switch (armMode)
  1.1685 +	{
  1.1686 +	case 0x10:
  1.1687 +	case 0x1F:
  1.1688 +		reg[R13_USR].I = reg[13].I;
  1.1689 +		reg[R14_USR].I = reg[14].I;
  1.1690 +		reg[17].I	   = reg[16].I;
  1.1691 +		break;
  1.1692 +	case 0x11:
  1.1693 +		CPUSwap(&reg[R8_FIQ].I, &reg[8].I);
  1.1694 +		CPUSwap(&reg[R9_FIQ].I, &reg[9].I);
  1.1695 +		CPUSwap(&reg[R10_FIQ].I, &reg[10].I);
  1.1696 +		CPUSwap(&reg[R11_FIQ].I, &reg[11].I);
  1.1697 +		CPUSwap(&reg[R12_FIQ].I, &reg[12].I);
  1.1698 +		reg[R13_FIQ].I	= reg[13].I;
  1.1699 +		reg[R14_FIQ].I	= reg[14].I;
  1.1700 +		reg[SPSR_FIQ].I = reg[17].I;
  1.1701 +		break;
  1.1702 +	case 0x12:
  1.1703 +		reg[R13_IRQ].I	= reg[13].I;
  1.1704 +		reg[R14_IRQ].I	= reg[14].I;
  1.1705 +		reg[SPSR_IRQ].I =  reg[17].I;
  1.1706 +		break;
  1.1707 +	case 0x13:
  1.1708 +		reg[R13_SVC].I	= reg[13].I;
  1.1709 +		reg[R14_SVC].I	= reg[14].I;
  1.1710 +		reg[SPSR_SVC].I =  reg[17].I;
  1.1711 +		break;
  1.1712 +	case 0x17:
  1.1713 +		reg[R13_ABT].I	= reg[13].I;
  1.1714 +		reg[R14_ABT].I	= reg[14].I;
  1.1715 +		reg[SPSR_ABT].I =  reg[17].I;
  1.1716 +		break;
  1.1717 +	case 0x1b:
  1.1718 +		reg[R13_UND].I	= reg[13].I;
  1.1719 +		reg[R14_UND].I	= reg[14].I;
  1.1720 +		reg[SPSR_UND].I =  reg[17].I;
  1.1721 +		break;
  1.1722 +	}
  1.1723 +
  1.1724 +	u32 CPSR = reg[16].I;
  1.1725 +	u32 SPSR = reg[17].I;
  1.1726 +
  1.1727 +	switch (mode)
  1.1728 +	{
  1.1729 +	case 0x10:
  1.1730 +	case 0x1F:
  1.1731 +		reg[13].I = reg[R13_USR].I;
  1.1732 +		reg[14].I = reg[R14_USR].I;
  1.1733 +		reg[16].I = SPSR;
  1.1734 +		break;
  1.1735 +	case 0x11:
  1.1736 +		CPUSwap(&reg[8].I, &reg[R8_FIQ].I);
  1.1737 +		CPUSwap(&reg[9].I, &reg[R9_FIQ].I);
  1.1738 +		CPUSwap(&reg[10].I, &reg[R10_FIQ].I);
  1.1739 +		CPUSwap(&reg[11].I, &reg[R11_FIQ].I);
  1.1740 +		CPUSwap(&reg[12].I, &reg[R12_FIQ].I);
  1.1741 +		reg[13].I = reg[R13_FIQ].I;
  1.1742 +		reg[14].I = reg[R14_FIQ].I;
  1.1743 +		if (saveState)
  1.1744 +			reg[17].I = CPSR;
  1.1745 +		else
  1.1746 +			reg[17].I = reg[SPSR_FIQ].I;
  1.1747 +		break;
  1.1748 +	case 0x12:
  1.1749 +		reg[13].I = reg[R13_IRQ].I;
  1.1750 +		reg[14].I = reg[R14_IRQ].I;
  1.1751 +		reg[16].I = SPSR;
  1.1752 +		if (saveState)
  1.1753 +			reg[17].I = CPSR;
  1.1754 +		else
  1.1755 +			reg[17].I = reg[SPSR_IRQ].I;
  1.1756 +		break;
  1.1757 +	case 0x13:
  1.1758 +		reg[13].I = reg[R13_SVC].I;
  1.1759 +		reg[14].I = reg[R14_SVC].I;
  1.1760 +		reg[16].I = SPSR;
  1.1761 +		if (saveState)
  1.1762 +			reg[17].I = CPSR;
  1.1763 +		else
  1.1764 +			reg[17].I = reg[SPSR_SVC].I;
  1.1765 +		break;
  1.1766 +	case 0x17:
  1.1767 +		reg[13].I = reg[R13_ABT].I;
  1.1768 +		reg[14].I = reg[R14_ABT].I;
  1.1769 +		reg[16].I = SPSR;
  1.1770 +		if (saveState)
  1.1771 +			reg[17].I = CPSR;
  1.1772 +		else
  1.1773 +			reg[17].I = reg[SPSR_ABT].I;
  1.1774 +		break;
  1.1775 +	case 0x1b:
  1.1776 +		reg[13].I = reg[R13_UND].I;
  1.1777 +		reg[14].I = reg[R14_UND].I;
  1.1778 +		reg[16].I = SPSR;
  1.1779 +		if (saveState)
  1.1780 +			reg[17].I = CPSR;
  1.1781 +		else
  1.1782 +			reg[17].I = reg[SPSR_UND].I;
  1.1783 +		break;
  1.1784 +	default:
  1.1785 +		systemMessage(MSG_UNSUPPORTED_ARM_MODE, N_("Unsupported ARM mode %02x"), mode);
  1.1786 +		break;
  1.1787 +	}
  1.1788 +	armMode = mode;
  1.1789 +	CPUUpdateFlags(breakLoop);
  1.1790 +	CPUUpdateCPSR();
  1.1791 +}
  1.1792 +
  1.1793 +void CPUSwitchMode(int mode, bool saveState)
  1.1794 +{
  1.1795 +	CPUSwitchMode(mode, saveState, true);
  1.1796 +}
  1.1797 +
  1.1798 +void CPUUndefinedException()
  1.1799 +{
  1.1800 +	u32	 PC = reg[15].I;
  1.1801 +	bool savedArmState = armState;
  1.1802 +	CPUSwitchMode(0x1b, true, false);
  1.1803 +	reg[14].I	 = PC - (savedArmState ? 4 : 2);
  1.1804 +	reg[15].I	 = 0x04;
  1.1805 +	armState	 = true;
  1.1806 +	armIrqEnable = false;
  1.1807 +	armNextPC	 = 0x04;
  1.1808 +	reg[15].I	+= 4;
  1.1809 +}
  1.1810 +
  1.1811 +void CPUSoftwareInterrupt()
  1.1812 +{
  1.1813 +	u32	 PC = reg[15].I;
  1.1814 +	bool savedArmState = armState;
  1.1815 +	CPUSwitchMode(0x13, true, false);
  1.1816 +	reg[14].I	 = PC - (savedArmState ? 4 : 2);
  1.1817 +	reg[15].I	 = 0x08;
  1.1818 +	armState	 = true;
  1.1819 +	armIrqEnable = false;
  1.1820 +	armNextPC	 = 0x08;
  1.1821 +	reg[15].I	+= 4;
  1.1822 +}
  1.1823 +
  1.1824 +void CPUSoftwareInterrupt(int comment)
  1.1825 +{
  1.1826 +	static bool disableMessage = false;
  1.1827 +	if (armState)
  1.1828 +		comment >>= 16;
  1.1829 +#ifdef BKPT_SUPPORT
  1.1830 +	if (comment == 0xff)
  1.1831 +	{
  1.1832 +		extern void (*dbgOutput)(char *, u32);
  1.1833 +		dbgOutput(NULL, reg[0].I);
  1.1834 +		return;
  1.1835 +	}
  1.1836 +#endif
  1.1837 +#ifdef PROFILING
  1.1838 +	if (comment == 0xfe)
  1.1839 +	{
  1.1840 +		profStartup(reg[0].I, reg[1].I);
  1.1841 +		return;
  1.1842 +	}
  1.1843 +	if (comment == 0xfd)
  1.1844 +	{
  1.1845 +		profControl(reg[0].I);
  1.1846 +		return;
  1.1847 +	}
  1.1848 +	if (comment == 0xfc)
  1.1849 +	{
  1.1850 +		profCleanup();
  1.1851 +		return;
  1.1852 +	}
  1.1853 +	if (comment == 0xfb)
  1.1854 +	{
  1.1855 +		profCount();
  1.1856 +		return;
  1.1857 +	}
  1.1858 +#endif
  1.1859 +	if (comment == 0xfa)
  1.1860 +	{
  1.1861 +		agbPrintFlush();
  1.1862 +		return;
  1.1863 +	}
  1.1864 +#ifdef SDL
  1.1865 +	if (comment == 0xf9)
  1.1866 +	{
  1.1867 +		emulating = 0;
  1.1868 +		CPU_BREAK_LOOP_2;
  1.1869 +		return;
  1.1870 +	}
  1.1871 +#endif
  1.1872 +	if (useBios)
  1.1873 +	{
  1.1874 +#ifdef GBA_LOGGING
  1.1875 +		if (systemVerbose & VERBOSE_SWI)
  1.1876 +		{
  1.1877 +			log("SWI: %08x at %08x (0x%08x,0x%08x,0x%08x,VCOUNT = %2d)\n", comment,
  1.1878 +			    armState ? armNextPC - 4 : armNextPC - 2,
  1.1879 +			    reg[0].I,
  1.1880 +			    reg[1].I,
  1.1881 +			    reg[2].I,
  1.1882 +			    VCOUNT);
  1.1883 +		}
  1.1884 +#endif
  1.1885 +		CPUSoftwareInterrupt();
  1.1886 +		return;
  1.1887 +	}
  1.1888 +	// This would be correct, but it causes problems if uncommented
  1.1889 +	//  else {
  1.1890 +	//    biosProtected = 0xe3a02004;
  1.1891 +	//  }
  1.1892 +
  1.1893 +	switch (comment)
  1.1894 +	{
  1.1895 +	case 0x00:
  1.1896 +		BIOS_SoftReset();
  1.1897 +		break;
  1.1898 +	case 0x01:
  1.1899 +		BIOS_RegisterRamReset();
  1.1900 +		break;
  1.1901 +	case 0x02:
  1.1902 +#ifdef GBA_LOGGING
  1.1903 +		if (systemVerbose & VERBOSE_SWI)
  1.1904 +		{
  1.1905 +			log("Halt: (VCOUNT = %2d)\n",
  1.1906 +			    VCOUNT);
  1.1907 +		}
  1.1908 +#endif
  1.1909 +		holdState = true;
  1.1910 +		holdType  = -1;
  1.1911 +		break;
  1.1912 +	case 0x03:
  1.1913 +#ifdef GBA_LOGGING
  1.1914 +		if (systemVerbose & VERBOSE_SWI)
  1.1915 +		{
  1.1916 +			log("Stop: (VCOUNT = %2d)\n",
  1.1917 +			    VCOUNT);
  1.1918 +		}
  1.1919 +#endif
  1.1920 +		holdState = true;
  1.1921 +		holdType  = -1;
  1.1922 +		stopState = true;
  1.1923 +		break;
  1.1924 +	case 0x04:
  1.1925 +#ifdef GBA_LOGGING
  1.1926 +		if (systemVerbose & VERBOSE_SWI)
  1.1927 +		{
  1.1928 +			log("IntrWait: 0x%08x,0x%08x (VCOUNT = %2d)\n",
  1.1929 +			    reg[0].I,
  1.1930 +			    reg[1].I,
  1.1931 +			    VCOUNT);
  1.1932 +		}
  1.1933 +#endif
  1.1934 +		CPUSoftwareInterrupt();
  1.1935 +		break;
  1.1936 +	case 0x05:
  1.1937 +#ifdef GBA_LOGGING
  1.1938 +		if (systemVerbose & VERBOSE_SWI)
  1.1939 +		{
  1.1940 +			log("VBlankIntrWait: (VCOUNT = %2d)\n",
  1.1941 +			    VCOUNT);
  1.1942 +		}
  1.1943 +#endif
  1.1944 +		CPUSoftwareInterrupt();
  1.1945 +		break;
  1.1946 +	case 0x06:
  1.1947 +		CPUSoftwareInterrupt();
  1.1948 +		break;
  1.1949 +	case 0x07:
  1.1950 +		CPUSoftwareInterrupt();
  1.1951 +		break;
  1.1952 +	case 0x08:
  1.1953 +		BIOS_Sqrt();
  1.1954 +		break;
  1.1955 +	case 0x09:
  1.1956 +		BIOS_ArcTan();
  1.1957 +		break;
  1.1958 +	case 0x0A:
  1.1959 +		BIOS_ArcTan2();
  1.1960 +		break;
  1.1961 +	case 0x0B:
  1.1962 +		BIOS_CpuSet();
  1.1963 +		break;
  1.1964 +	case 0x0C:
  1.1965 +		BIOS_CpuFastSet();
  1.1966 +		break;
  1.1967 +	case 0x0E:
  1.1968 +		BIOS_BgAffineSet();
  1.1969 +		break;
  1.1970 +	case 0x0F:
  1.1971 +		BIOS_ObjAffineSet();
  1.1972 +		break;
  1.1973 +	case 0x10:
  1.1974 +		BIOS_BitUnPack();
  1.1975 +		break;
  1.1976 +	case 0x11:
  1.1977 +		BIOS_LZ77UnCompWram();
  1.1978 +		break;
  1.1979 +	case 0x12:
  1.1980 +		BIOS_LZ77UnCompVram();
  1.1981 +		break;
  1.1982 +	case 0x13:
  1.1983 +		BIOS_HuffUnComp();
  1.1984 +		break;
  1.1985 +	case 0x14:
  1.1986 +		BIOS_RLUnCompWram();
  1.1987 +		break;
  1.1988 +	case 0x15:
  1.1989 +		BIOS_RLUnCompVram();
  1.1990 +		break;
  1.1991 +	case 0x16:
  1.1992 +		BIOS_Diff8bitUnFilterWram();
  1.1993 +		break;
  1.1994 +	case 0x17:
  1.1995 +		BIOS_Diff8bitUnFilterVram();
  1.1996 +		break;
  1.1997 +	case 0x18:
  1.1998 +		BIOS_Diff16bitUnFilter();
  1.1999 +		break;
  1.2000 +	case 0x19:
  1.2001 +#ifdef GBA_LOGGING
  1.2002 +		if (systemVerbose & VERBOSE_SWI)
  1.2003 +		{
  1.2004 +			log("SoundBiasSet: 0x%08x (VCOUNT = %2d)\n",
  1.2005 +			    reg[0].I,
  1.2006 +			    VCOUNT);
  1.2007 +		}
  1.2008 +#endif
  1.2009 +		if (reg[0].I)
  1.2010 +			soundPause();
  1.2011 +		else
  1.2012 +			soundResume();
  1.2013 +		break;
  1.2014 +	case 0x1F:
  1.2015 +		BIOS_MidiKey2Freq();
  1.2016 +		break;
  1.2017 +	case 0x2A:
  1.2018 +		BIOS_SndDriverJmpTableCopy();
  1.2019 +	// let it go, because we don't really emulate this function // FIXME (?)
  1.2020 +	default:
  1.2021 +#ifdef GBA_LOGGING
  1.2022 +		if (systemVerbose & VERBOSE_SWI)
  1.2023 +		{
  1.2024 +			log("SWI: %08x at %08x (0x%08x,0x%08x,0x%08x,VCOUNT = %2d)\n", comment,
  1.2025 +			    armState ? armNextPC - 4 : armNextPC - 2,
  1.2026 +			    reg[0].I,
  1.2027 +			    reg[1].I,
  1.2028 +			    reg[2].I,
  1.2029 +			    VCOUNT);
  1.2030 +		}
  1.2031 +#endif
  1.2032 +
  1.2033 +		if (!disableMessage)
  1.2034 +		{
  1.2035 +			systemMessage(MSG_UNSUPPORTED_BIOS_FUNCTION,
  1.2036 +			              N_(
  1.2037 +			                  "Unsupported BIOS function %02x called from %08x. A BIOS file is needed in order to get correct behaviour."),
  1.2038 +			              comment,
  1.2039 +			              armMode ? armNextPC - 4 : armNextPC - 2);
  1.2040 +			disableMessage = true;
  1.2041 +		}
  1.2042 +		break;
  1.2043 +	}
  1.2044 +}
  1.2045 +
  1.2046 +void CPUCompareVCOUNT()
  1.2047 +{
  1.2048 +	if (VCOUNT == (DISPSTAT >> 8))
  1.2049 +	{
  1.2050 +		DISPSTAT |= 4;
  1.2051 +		UPDATE_REG(0x04, DISPSTAT);
  1.2052 +
  1.2053 +		if (DISPSTAT & 0x20)
  1.2054 +		{
  1.2055 +			IF |= 4;
  1.2056 +			UPDATE_REG(0x202, IF);
  1.2057 +		}
  1.2058 +	}
  1.2059 +	else
  1.2060 +	{
  1.2061 +		DISPSTAT &= 0xFFFB;
  1.2062 +		UPDATE_REG(0x4, DISPSTAT);
  1.2063 +	}
  1.2064 +}
  1.2065 +
  1.2066 +void doDMA(u32 &s, u32 &d, u32 si, u32 di, u32 c, int transfer32)
  1.2067 +{
  1.2068 +	int sm = s >> 24;
  1.2069 +	int dm = d >> 24;
  1.2070 +
  1.2071 +	int sc = c;
  1.2072 +
  1.2073 +	cpuDmaCount = c;
  1.2074 +
  1.2075 +	if (transfer32)
  1.2076 +	{
  1.2077 +		s &= 0xFFFFFFFC;
  1.2078 +		if (s < 0x02000000 && (reg[15].I >> 24))
  1.2079 +		{
  1.2080 +			while (c != 0)
  1.2081 +			{
  1.2082 +				CPUWriteMemory(d, 0);
  1.2083 +				d += di;
  1.2084 +				c--;
  1.2085 +			}
  1.2086 +		}
  1.2087 +		else
  1.2088 +		{
  1.2089 +			while (c != 0)
  1.2090 +			{
  1.2091 +				CPUWriteMemory(d, CPUReadMemory(s));
  1.2092 +				d += di;
  1.2093 +				s += si;
  1.2094 +				c--;
  1.2095 +			}
  1.2096 +		}
  1.2097 +	}
  1.2098 +	else
  1.2099 +	{
  1.2100 +		s &= 0xFFFFFFFE;
  1.2101 +		si = (int)si >> 1;
  1.2102 +		di = (int)di >> 1;
  1.2103 +		if (s < 0x02000000 && (reg[15].I >> 24))
  1.2104 +		{
  1.2105 +			while (c != 0)
  1.2106 +			{
  1.2107 +				CPUWriteHalfWord(d, 0);
  1.2108 +				d += di;
  1.2109 +				c--;
  1.2110 +			}
  1.2111 +		}
  1.2112 +		else
  1.2113 +		{
  1.2114 +			while (c != 0)
  1.2115 +			{
  1.2116 +				cpuDmaLast = CPUReadHalfWord(s);
  1.2117 +				CPUWriteHalfWord(d, cpuDmaLast);
  1.2118 +				d += di;
  1.2119 +				s += si;
  1.2120 +				c--;
  1.2121 +			}
  1.2122 +		}
  1.2123 +	}
  1.2124 +
  1.2125 +	cpuDmaCount = 0;
  1.2126 +
  1.2127 +	int sw = 1 + memoryWaitSeq[sm & 15];
  1.2128 +	int dw = 1 + memoryWaitSeq[dm & 15];
  1.2129 +
  1.2130 +	int totalTicks = 0;
  1.2131 +
  1.2132 +	if (transfer32)
  1.2133 +	{
  1.2134 +		if (!memory32[sm & 15])
  1.2135 +			sw <<= 1;
  1.2136 +		if (!memory32[dm & 15])
  1.2137 +			dw <<= 1;
  1.2138 +	}
  1.2139 +
  1.2140 +	totalTicks = (sw + dw) * sc;
  1.2141 +
  1.2142 +	cpuDmaTicksToUpdate += totalTicks;
  1.2143 +
  1.2144 +	if (*extCpuLoopTicks >= 0)
  1.2145 +	{
  1.2146 +		CPU_BREAK_LOOP;
  1.2147 +	}
  1.2148 +}
  1.2149 +
  1.2150 +void CPUCheckDMA(int reason, int dmamask)
  1.2151 +{
  1.2152 +	cpuDmaHack = 0;
  1.2153 +	// DMA 0
  1.2154 +	if ((DM0CNT_H & 0x8000) && (dmamask & 1))
  1.2155 +	{
  1.2156 +		if (((DM0CNT_H >> 12) & 3) == reason)
  1.2157 +		{
  1.2158 +			u32 sourceIncrement = 4;
  1.2159 +			u32 destIncrement	= 4;
  1.2160 +			switch ((DM0CNT_H >> 7) & 3)
  1.2161 +			{
  1.2162 +			case 0:
  1.2163 +				break;
  1.2164 +			case 1:
  1.2165 +				sourceIncrement = (u32) - 4;
  1.2166 +				break;
  1.2167 +			case 2:
  1.2168 +				sourceIncrement = 0;
  1.2169 +				break;
  1.2170 +			}
  1.2171 +			switch ((DM0CNT_H >> 5) & 3)
  1.2172 +			{
  1.2173 +			case 0:
  1.2174 +				break;
  1.2175 +			case 1:
  1.2176 +				destIncrement = (u32) - 4;
  1.2177 +				break;
  1.2178 +			case 2:
  1.2179 +				destIncrement = 0;
  1.2180 +				break;
  1.2181 +			}
  1.2182 +#ifdef GBA_LOGGING
  1.2183 +			if (systemVerbose & VERBOSE_DMA0)
  1.2184 +			{
  1.2185 +				int count = (DM0CNT_L ? DM0CNT_L : 0x4000) << 1;
  1.2186 +				if (DM0CNT_H & 0x0400)
  1.2187 +					count <<= 1;
  1.2188 +				log("DMA0: s=%08x d=%08x c=%04x count=%08x\n", dma0Source, dma0Dest,
  1.2189 +				    DM0CNT_H,
  1.2190 +				    count);
  1.2191 +			}
  1.2192 +#endif
  1.2193 +			doDMA(dma0Source, dma0Dest, sourceIncrement, destIncrement,
  1.2194 +			      DM0CNT_L ? DM0CNT_L : 0x4000,
  1.2195 +			      DM0CNT_H & 0x0400);
  1.2196 +			cpuDmaHack = 1;
  1.2197 +			if (DM0CNT_H & 0x4000)
  1.2198 +			{
  1.2199 +				IF |= 0x0100;
  1.2200 +				UPDATE_REG(0x202, IF);
  1.2201 +			}
  1.2202 +
  1.2203 +			if (((DM0CNT_H >> 5) & 3) == 3)
  1.2204 +			{
  1.2205 +				dma0Dest = DM0DAD_L | (DM0DAD_H << 16);
  1.2206 +			}
  1.2207 +
  1.2208 +			if (!(DM0CNT_H & 0x0200) || (reason == 0))
  1.2209 +			{
  1.2210 +				DM0CNT_H &= 0x7FFF;
  1.2211 +				UPDATE_REG(0xBA, DM0CNT_H);
  1.2212 +			}
  1.2213 +		}
  1.2214 +	}
  1.2215 +
  1.2216 +	// DMA 1
  1.2217 +	if ((DM1CNT_H & 0x8000) && (dmamask & 2))
  1.2218 +	{
  1.2219 +		if (((DM1CNT_H >> 12) & 3) == reason)
  1.2220 +		{
  1.2221 +			u32 sourceIncrement = 4;
  1.2222 +			u32 destIncrement	= 4;
  1.2223 +			switch ((DM1CNT_H >> 7) & 3)
  1.2224 +			{
  1.2225 +			case 0:
  1.2226 +				break;
  1.2227 +			case 1:
  1.2228 +				sourceIncrement = (u32) - 4;
  1.2229 +				break;
  1.2230 +			case 2:
  1.2231 +				sourceIncrement = 0;
  1.2232 +				break;
  1.2233 +			}
  1.2234 +			switch ((DM1CNT_H >> 5) & 3)
  1.2235 +			{
  1.2236 +			case 0:
  1.2237 +				break;
  1.2238 +			case 1:
  1.2239 +				destIncrement = (u32) - 4;
  1.2240 +				break;
  1.2241 +			case 2:
  1.2242 +				destIncrement = 0;
  1.2243 +				break;
  1.2244 +			}
  1.2245 +			if (reason == 3)
  1.2246 +			{
  1.2247 +#ifdef GBA_LOGGING
  1.2248 +				if (systemVerbose & VERBOSE_DMA1)
  1.2249 +				{
  1.2250 +					log("DMA1: s=%08x d=%08x c=%04x count=%08x\n", dma1Source, dma1Dest,
  1.2251 +					    DM1CNT_H,
  1.2252 +					    16);
  1.2253 +				}
  1.2254 +#endif
  1.2255 +				doDMA(dma1Source, dma1Dest, sourceIncrement, 0, 4,
  1.2256 +				      0x0400);
  1.2257 +			}
  1.2258 +			else
  1.2259 +			{
  1.2260 +#ifdef GBA_LOGGING
  1.2261 +				if (systemVerbose & VERBOSE_DMA1)
  1.2262 +				{
  1.2263 +					int count = (DM1CNT_L ? DM1CNT_L : 0x4000) << 1;
  1.2264 +					if (DM1CNT_H & 0x0400)
  1.2265 +						count <<= 1;
  1.2266 +					log("DMA1: s=%08x d=%08x c=%04x count=%08x\n", dma1Source, dma1Dest,
  1.2267 +					    DM1CNT_H,
  1.2268 +					    count);
  1.2269 +				}
  1.2270 +#endif
  1.2271 +				doDMA(dma1Source, dma1Dest, sourceIncrement, destIncrement,
  1.2272 +				      DM1CNT_L ? DM1CNT_L : 0x4000,
  1.2273 +				      DM1CNT_H & 0x0400);
  1.2274 +			}
  1.2275 +			cpuDmaHack = 1;
  1.2276 +
  1.2277 +			if (DM1CNT_H & 0x4000)
  1.2278 +			{
  1.2279 +				IF |= 0x0200;
  1.2280 +				UPDATE_REG(0x202, IF);
  1.2281 +			}
  1.2282 +
  1.2283 +			if (((DM1CNT_H >> 5) & 3) == 3)
  1.2284 +			{
  1.2285 +				dma1Dest = DM1DAD_L | (DM1DAD_H << 16);
  1.2286 +			}
  1.2287 +
  1.2288 +			if (!(DM1CNT_H & 0x0200) || (reason == 0))
  1.2289 +			{
  1.2290 +				DM1CNT_H &= 0x7FFF;
  1.2291 +				UPDATE_REG(0xC6, DM1CNT_H);
  1.2292 +			}
  1.2293 +		}
  1.2294 +	}
  1.2295 +
  1.2296 +	// DMA 2
  1.2297 +	if ((DM2CNT_H & 0x8000) && (dmamask & 4))
  1.2298 +	{
  1.2299 +		if (((DM2CNT_H >> 12) & 3) == reason)
  1.2300 +		{
  1.2301 +			u32 sourceIncrement = 4;
  1.2302 +			u32 destIncrement	= 4;
  1.2303 +			switch ((DM2CNT_H >> 7) & 3)
  1.2304 +			{
  1.2305 +			case 0:
  1.2306 +				break;
  1.2307 +			case 1:
  1.2308 +				sourceIncrement = (u32) - 4;
  1.2309 +				break;
  1.2310 +			case 2:
  1.2311 +				sourceIncrement = 0;
  1.2312 +				break;
  1.2313 +			}
  1.2314 +			switch ((DM2CNT_H >> 5) & 3)
  1.2315 +			{
  1.2316 +			case 0:
  1.2317 +				break;
  1.2318 +			case 1:
  1.2319 +				destIncrement = (u32) - 4;
  1.2320 +				break;
  1.2321 +			case 2:
  1.2322 +				destIncrement = 0;
  1.2323 +				break;
  1.2324 +			}
  1.2325 +			if (reason == 3)
  1.2326 +			{
  1.2327 +#ifdef GBA_LOGGING
  1.2328 +				if (systemVerbose & VERBOSE_DMA2)
  1.2329 +				{
  1.2330 +					int count = (4) << 2;
  1.2331 +					log("DMA2: s=%08x d=%08x c=%04x count=%08x\n", dma2Source, dma2Dest,
  1.2332 +					    DM2CNT_H,
  1.2333 +					    count);
  1.2334 +				}
  1.2335 +#endif
  1.2336 +				doDMA(dma2Source, dma2Dest, sourceIncrement, 0, 4,
  1.2337 +				      0x0400);
  1.2338 +			}
  1.2339 +			else
  1.2340 +			{
  1.2341 +#ifdef GBA_LOGGING
  1.2342 +				if (systemVerbose & VERBOSE_DMA2)
  1.2343 +				{
  1.2344 +					int count = (DM2CNT_L ? DM2CNT_L : 0x4000) << 1;
  1.2345 +					if (DM2CNT_H & 0x0400)
  1.2346 +						count <<= 1;
  1.2347 +					log("DMA2: s=%08x d=%08x c=%04x count=%08x\n", dma2Source, dma2Dest,
  1.2348 +					    DM2CNT_H,
  1.2349 +					    count);
  1.2350 +				}
  1.2351 +#endif
  1.2352 +				doDMA(dma2Source, dma2Dest, sourceIncrement, destIncrement,
  1.2353 +				      DM2CNT_L ? DM2CNT_L : 0x4000,
  1.2354 +				      DM2CNT_H & 0x0400);
  1.2355 +			}
  1.2356 +			cpuDmaHack = 1;
  1.2357 +			if (DM2CNT_H & 0x4000)
  1.2358 +			{
  1.2359 +				IF |= 0x0400;
  1.2360 +				UPDATE_REG(0x202, IF);
  1.2361 +			}
  1.2362 +
  1.2363 +			if (((DM2CNT_H >> 5) & 3) == 3)
  1.2364 +			{
  1.2365 +				dma2Dest = DM2DAD_L | (DM2DAD_H << 16);
  1.2366 +			}
  1.2367 +
  1.2368 +			if (!(DM2CNT_H & 0x0200) || (reason == 0))
  1.2369 +			{
  1.2370 +				DM2CNT_H &= 0x7FFF;
  1.2371 +				UPDATE_REG(0xD2, DM2CNT_H);
  1.2372 +			}
  1.2373 +		}
  1.2374 +	}
  1.2375 +
  1.2376 +	// DMA 3
  1.2377 +	if ((DM3CNT_H & 0x8000) && (dmamask & 8))
  1.2378 +	{
  1.2379 +		if (((DM3CNT_H >> 12) & 3) == reason)
  1.2380 +		{
  1.2381 +			u32 sourceIncrement = 4;
  1.2382 +			u32 destIncrement	= 4;
  1.2383 +			switch ((DM3CNT_H >> 7) & 3)
  1.2384 +			{
  1.2385 +			case 0:
  1.2386 +				break;
  1.2387 +			case 1:
  1.2388 +				sourceIncrement = (u32) - 4;
  1.2389 +				break;
  1.2390 +			case 2:
  1.2391 +				sourceIncrement = 0;
  1.2392 +				break;
  1.2393 +			}
  1.2394 +			switch ((DM3CNT_H >> 5) & 3)
  1.2395 +			{
  1.2396 +			case 0:
  1.2397 +				break;
  1.2398 +			case 1:
  1.2399 +				destIncrement = (u32) - 4;
  1.2400 +				break;
  1.2401 +			case 2:
  1.2402 +				destIncrement = 0;
  1.2403 +				break;
  1.2404 +			}
  1.2405 +#ifdef GBA_LOGGING
  1.2406 +			if (systemVerbose & VERBOSE_DMA3)
  1.2407 +			{
  1.2408 +				int count = (DM3CNT_L ? DM3CNT_L : 0x10000) << 1;
  1.2409 +				if (DM3CNT_H & 0x0400)
  1.2410 +					count <<= 1;
  1.2411 +				log("DMA3: s=%08x d=%08x c=%04x count=%08x\n", dma3Source, dma3Dest,
  1.2412 +				    DM3CNT_H,
  1.2413 +				    count);
  1.2414 +			}
  1.2415 +#endif
  1.2416 +			doDMA(dma3Source, dma3Dest, sourceIncrement, destIncrement,
  1.2417 +			      DM3CNT_L ? DM3CNT_L : 0x10000,
  1.2418 +			      DM3CNT_H & 0x0400);
  1.2419 +			if (DM3CNT_H & 0x4000)
  1.2420 +			{
  1.2421 +				IF |= 0x0800;
  1.2422 +				UPDATE_REG(0x202, IF);
  1.2423 +			}
  1.2424 +
  1.2425 +			if (((DM3CNT_H >> 5) & 3) == 3)
  1.2426 +			{
  1.2427 +				dma3Dest = DM3DAD_L | (DM3DAD_H << 16);
  1.2428 +			}
  1.2429 +
  1.2430 +			if (!(DM3CNT_H & 0x0200) || (reason == 0))
  1.2431 +			{
  1.2432 +				DM3CNT_H &= 0x7FFF;
  1.2433 +				UPDATE_REG(0xDE, DM3CNT_H);
  1.2434 +			}
  1.2435 +		}
  1.2436 +	}
  1.2437 +	cpuDmaHack = 0;
  1.2438 +}
  1.2439 +
  1.2440 +void CPUUpdateRegister(u32 address, u16 value)
  1.2441 +{
  1.2442 +	switch (address)
  1.2443 +	{
  1.2444 +	case 0x00:
  1.2445 +	{
  1.2446 +		bool change	  = ((DISPCNT ^ value) & 0x80) ? true : false;
  1.2447 +		bool changeBG = ((DISPCNT ^ value) & 0x0F00) ? true : false;
  1.2448 +		DISPCNT = (value & 0xFFF7);
  1.2449 +		UPDATE_REG(0x00, DISPCNT);
  1.2450 +		layerEnable = layerSettings & value;
  1.2451 +		windowOn	= (layerEnable & 0x6000) ? true : false;
  1.2452 +		if (change && !((value & 0x80)))
  1.2453 +		{
  1.2454 +			if (!(DISPSTAT & 1))
  1.2455 +			{
  1.2456 +				lcdTicks = 960;
  1.2457 +				//      VCOUNT = 0;
  1.2458 +				//      UPDATE_REG(0x06, VCOUNT);
  1.2459 +				DISPSTAT &= 0xFFFC;
  1.2460 +				UPDATE_REG(0x04, DISPSTAT);
  1.2461 +				CPUCompareVCOUNT();
  1.2462 +			}
  1.2463 +			//        (*renderLine)();
  1.2464 +		}
  1.2465 +		CPUUpdateRender();
  1.2466 +		// we only care about changes in BG0-BG3
  1.2467 +		if (changeBG)
  1.2468 +			CPUUpdateRenderBuffers(false);
  1.2469 +		//      CPUUpdateTicks();
  1.2470 +		break;
  1.2471 +	}
  1.2472 +	case 0x04:
  1.2473 +		DISPSTAT = (value & 0xFF38) | (DISPSTAT & 7);
  1.2474 +		UPDATE_REG(0x04, DISPSTAT);
  1.2475 +		break;
  1.2476 +	case 0x06:
  1.2477 +		// not writable
  1.2478 +		break;
  1.2479 +	case 0x08:
  1.2480 +		BG0CNT = (value & 0xDFCF);
  1.2481 +		UPDATE_REG(0x08, BG0CNT);
  1.2482 +		break;
  1.2483 +	case 0x0A:
  1.2484 +		BG1CNT = (value & 0xDFCF);
  1.2485 +		UPDATE_REG(0x0A, BG1CNT);
  1.2486 +		break;
  1.2487 +	case 0x0C:
  1.2488 +		BG2CNT = (value & 0xFFCF);
  1.2489 +		UPDATE_REG(0x0C, BG2CNT);
  1.2490 +		break;
  1.2491 +	case 0x0E:
  1.2492 +		BG3CNT = (value & 0xFFCF);
  1.2493 +		UPDATE_REG(0x0E, BG3CNT);
  1.2494 +		break;
  1.2495 +	case 0x10:
  1.2496 +		BG0HOFS = value & 511;
  1.2497 +		UPDATE_REG(0x10, BG0HOFS);
  1.2498 +		break;
  1.2499 +	case 0x12:
  1.2500 +		BG0VOFS = value & 511;
  1.2501 +		UPDATE_REG(0x12, BG0VOFS);
  1.2502 +		break;
  1.2503 +	case 0x14:
  1.2504 +		BG1HOFS = value & 511;
  1.2505 +		UPDATE_REG(0x14, BG1HOFS);
  1.2506 +		break;
  1.2507 +	case 0x16:
  1.2508 +		BG1VOFS = value & 511;
  1.2509 +		UPDATE_REG(0x16, BG1VOFS);
  1.2510 +		break;
  1.2511 +	case 0x18:
  1.2512 +		BG2HOFS = value & 511;
  1.2513 +		UPDATE_REG(0x18, BG2HOFS);
  1.2514 +		break;
  1.2515 +	case 0x1A:
  1.2516 +		BG2VOFS = value & 511;
  1.2517 +		UPDATE_REG(0x1A, BG2VOFS);
  1.2518 +		break;
  1.2519 +	case 0x1C:
  1.2520 +		BG3HOFS = value & 511;
  1.2521 +		UPDATE_REG(0x1C, BG3HOFS);
  1.2522 +		break;
  1.2523 +	case 0x1E:
  1.2524 +		BG3VOFS = value & 511;
  1.2525 +		UPDATE_REG(0x1E, BG3VOFS);
  1.2526 +		break;
  1.2527 +	case 0x20:
  1.2528 +		BG2PA = value;
  1.2529 +		UPDATE_REG(0x20, BG2PA);
  1.2530 +		break;
  1.2531 +	case 0x22:
  1.2532 +		BG2PB = value;
  1.2533 +		UPDATE_REG(0x22, BG2PB);
  1.2534 +		break;
  1.2535 +	case 0x24:
  1.2536 +		BG2PC = value;
  1.2537 +		UPDATE_REG(0x24, BG2PC);
  1.2538 +		break;
  1.2539 +	case 0x26:
  1.2540 +		BG2PD = value;
  1.2541 +		UPDATE_REG(0x26, BG2PD);
  1.2542 +		break;
  1.2543 +	case 0x28:
  1.2544 +		BG2X_L = value;
  1.2545 +		UPDATE_REG(0x28, BG2X_L);
  1.2546 +		gfxBG2Changed |= 1;
  1.2547 +		break;
  1.2548 +	case 0x2A:
  1.2549 +		BG2X_H = (value & 0xFFF);
  1.2550 +		UPDATE_REG(0x2A, BG2X_H);
  1.2551 +		gfxBG2Changed |= 1;
  1.2552 +		break;
  1.2553 +	case 0x2C:
  1.2554 +		BG2Y_L = value;
  1.2555 +		UPDATE_REG(0x2C, BG2Y_L);
  1.2556 +		gfxBG2Changed |= 2;
  1.2557 +		break;
  1.2558 +	case 0x2E:
  1.2559 +		BG2Y_H = value & 0xFFF;
  1.2560 +		UPDATE_REG(0x2E, BG2Y_H);
  1.2561 +		gfxBG2Changed |= 2;
  1.2562 +		break;
  1.2563 +	case 0x30:
  1.2564 +		BG3PA = value;
  1.2565 +		UPDATE_REG(0x30, BG3PA);
  1.2566 +		break;
  1.2567 +	case 0x32:
  1.2568 +		BG3PB = value;
  1.2569 +		UPDATE_REG(0x32, BG3PB);
  1.2570 +		break;
  1.2571 +	case 0x34:
  1.2572 +		BG3PC = value;
  1.2573 +		UPDATE_REG(0x34, BG3PC);
  1.2574 +		break;
  1.2575 +	case 0x36:
  1.2576 +		BG3PD = value;
  1.2577 +		UPDATE_REG(0x36, BG3PD);
  1.2578 +		break;
  1.2579 +	case 0x38:
  1.2580 +		BG3X_L = value;
  1.2581 +		UPDATE_REG(0x38, BG3X_L);
  1.2582 +		gfxBG3Changed |= 1;
  1.2583 +		break;
  1.2584 +	case 0x3A:
  1.2585 +		BG3X_H = value & 0xFFF;
  1.2586 +		UPDATE_REG(0x3A, BG3X_H);
  1.2587 +		gfxBG3Changed |= 1;
  1.2588 +		break;
  1.2589 +	case 0x3C:
  1.2590 +		BG3Y_L = value;
  1.2591 +		UPDATE_REG(0x3C, BG3Y_L);
  1.2592 +		gfxBG3Changed |= 2;
  1.2593 +		break;
  1.2594 +	case 0x3E:
  1.2595 +		BG3Y_H = value & 0xFFF;
  1.2596 +		UPDATE_REG(0x3E, BG3Y_H);
  1.2597 +		gfxBG3Changed |= 2;
  1.2598 +		break;
  1.2599 +	case 0x40:
  1.2600 +		WIN0H = value;
  1.2601 +		UPDATE_REG(0x40, WIN0H);
  1.2602 +		CPUUpdateWindow0();
  1.2603 +		break;
  1.2604 +	case 0x42:
  1.2605 +		WIN1H = value;
  1.2606 +		UPDATE_REG(0x42, WIN1H);
  1.2607 +		CPUUpdateWindow1();
  1.2608 +		break;
  1.2609 +	case 0x44:
  1.2610 +		WIN0V = value;
  1.2611 +		UPDATE_REG(0x44, WIN0V);
  1.2612 +		break;
  1.2613 +	case 0x46:
  1.2614 +		WIN1V = value;
  1.2615 +		UPDATE_REG(0x46, WIN1V);
  1.2616 +		break;
  1.2617 +	case 0x48:
  1.2618 +		WININ = value & 0x3F3F;
  1.2619 +		UPDATE_REG(0x48, WININ);
  1.2620 +		break;
  1.2621 +	case 0x4A:
  1.2622 +		WINOUT = value & 0x3F3F;
  1.2623 +		UPDATE_REG(0x4A, WINOUT);
  1.2624 +		break;
  1.2625 +	case 0x4C:
  1.2626 +		MOSAIC = value;
  1.2627 +		UPDATE_REG(0x4C, MOSAIC);
  1.2628 +		break;
  1.2629 +	case 0x50:
  1.2630 +		BLDMOD = value & 0x3FFF;
  1.2631 +		UPDATE_REG(0x50, BLDMOD);
  1.2632 +		fxOn = ((BLDMOD >> 6) & 3) != 0;
  1.2633 +		CPUUpdateRender();
  1.2634 +		break;
  1.2635 +	case 0x52:
  1.2636 +		COLEV = value & 0x1F1F;
  1.2637 +		UPDATE_REG(0x52, COLEV);
  1.2638 +		break;
  1.2639 +	case 0x54:
  1.2640 +		COLY = value & 0x1F;
  1.2641 +		UPDATE_REG(0x54, COLY);
  1.2642 +		break;
  1.2643 +	case 0x60:
  1.2644 +	case 0x62:
  1.2645 +	case 0x64:
  1.2646 +	case 0x68:
  1.2647 +	case 0x6c:
  1.2648 +	case 0x70:
  1.2649 +	case 0x72:
  1.2650 +	case 0x74:
  1.2651 +	case 0x78:
  1.2652 +	case 0x7c:
  1.2653 +	case 0x80:
  1.2654 +	case 0x84:
  1.2655 +		soundEvent(address & 0xFF, (u8)(value & 0xFF));
  1.2656 +		soundEvent((address & 0xFF) + 1, (u8)(value >> 8));
  1.2657 +		break;
  1.2658 +	case 0x82:
  1.2659 +	case 0x88:
  1.2660 +	case 0xa0:
  1.2661 +	case 0xa2:
  1.2662 +	case 0xa4:
  1.2663 +	case 0xa6:
  1.2664 +	case 0x90:
  1.2665 +	case 0x92:
  1.2666 +	case 0x94:
  1.2667 +	case 0x96:
  1.2668 +	case 0x98:
  1.2669 +	case 0x9a:
  1.2670 +	case 0x9c:
  1.2671 +	case 0x9e:
  1.2672 +		soundEvent(address & 0xFF, value);
  1.2673 +		break;
  1.2674 +	case 0xB0:
  1.2675 +		DM0SAD_L = value;
  1.2676 +		UPDATE_REG(0xB0, DM0SAD_L);
  1.2677 +		break;
  1.2678 +	case 0xB2:
  1.2679 +		DM0SAD_H = value & 0x07FF;
  1.2680 +		UPDATE_REG(0xB2, DM0SAD_H);
  1.2681 +		break;
  1.2682 +	case 0xB4:
  1.2683 +		DM0DAD_L = value;
  1.2684 +		UPDATE_REG(0xB4, DM0DAD_L);
  1.2685 +		break;
  1.2686 +	case 0xB6:
  1.2687 +		DM0DAD_H = value & 0x07FF;
  1.2688 +		UPDATE_REG(0xB6, DM0DAD_H);
  1.2689 +		break;
  1.2690 +	case 0xB8:
  1.2691 +		DM0CNT_L = value & 0x3FFF;
  1.2692 +		UPDATE_REG(0xB8, 0);
  1.2693 +		break;
  1.2694 +	case 0xBA:
  1.2695 +	{
  1.2696 +		bool start = ((DM0CNT_H ^ value) & 0x8000) ? true : false;
  1.2697 +		value &= 0xF7E0;
  1.2698 +
  1.2699 +		DM0CNT_H = value;
  1.2700 +		UPDATE_REG(0xBA, DM0CNT_H);
  1.2701 +
  1.2702 +		if (start && (value & 0x8000))
  1.2703 +		{
  1.2704 +			dma0Source = DM0SAD_L | (DM0SAD_H << 16);
  1.2705 +			dma0Dest   = DM0DAD_L | (DM0DAD_H << 16);
  1.2706 +			CPUCheckDMA(0, 1);
  1.2707 +		}
  1.2708 +		break;
  1.2709 +	}
  1.2710 +	case 0xBC:
  1.2711 +		DM1SAD_L = value;
  1.2712 +		UPDATE_REG(0xBC, DM1SAD_L);
  1.2713 +		break;
  1.2714 +	case 0xBE:
  1.2715 +		DM1SAD_H = value & 0x0FFF;
  1.2716 +		UPDATE_REG(0xBE, DM1SAD_H);
  1.2717 +		break;
  1.2718 +	case 0xC0:
  1.2719 +		DM1DAD_L = value;
  1.2720 +		UPDATE_REG(0xC0, DM1DAD_L);
  1.2721 +		break;
  1.2722 +	case 0xC2:
  1.2723 +		DM1DAD_H = value & 0x07FF;
  1.2724 +		UPDATE_REG(0xC2, DM1DAD_H);
  1.2725 +		break;
  1.2726 +	case 0xC4:
  1.2727 +		DM1CNT_L = value & 0x3FFF;
  1.2728 +		UPDATE_REG(0xC4, 0);
  1.2729 +		break;
  1.2730 +	case 0xC6:
  1.2731 +	{
  1.2732 +		bool start = ((DM1CNT_H ^ value) & 0x8000) ? true : false;
  1.2733 +		value &= 0xF7E0;
  1.2734 +
  1.2735 +		DM1CNT_H = value;
  1.2736 +		UPDATE_REG(0xC6, DM1CNT_H);
  1.2737 +
  1.2738 +		if (start && (value & 0x8000))
  1.2739 +		{
  1.2740 +			dma1Source = DM1SAD_L | (DM1SAD_H << 16);
  1.2741 +			dma1Dest   = DM1DAD_L | (DM1DAD_H << 16);
  1.2742 +			CPUCheckDMA(0, 2);
  1.2743 +		}
  1.2744 +		break;
  1.2745 +	}
  1.2746 +	case 0xC8:
  1.2747 +		DM2SAD_L = value;
  1.2748 +		UPDATE_REG(0xC8, DM2SAD_L);
  1.2749 +		break;
  1.2750 +	case 0xCA:
  1.2751 +		DM2SAD_H = value & 0x0FFF;
  1.2752 +		UPDATE_REG(0xCA, DM2SAD_H);
  1.2753 +		break;
  1.2754 +	case 0xCC:
  1.2755 +		DM2DAD_L = value;
  1.2756 +		UPDATE_REG(0xCC, DM2DAD_L);
  1.2757 +		break;
  1.2758 +	case 0xCE:
  1.2759 +		DM2DAD_H = value & 0x07FF;
  1.2760 +		UPDATE_REG(0xCE, DM2DAD_H);
  1.2761 +		break;
  1.2762 +	case 0xD0:
  1.2763 +		DM2CNT_L = value & 0x3FFF;
  1.2764 +		UPDATE_REG(0xD0, 0);
  1.2765 +		break;
  1.2766 +	case 0xD2:
  1.2767 +	{
  1.2768 +		bool start = ((DM2CNT_H ^ value) & 0x8000) ? true : false;
  1.2769 +
  1.2770 +		value &= 0xF7E0;
  1.2771 +
  1.2772 +		DM2CNT_H = value;
  1.2773 +		UPDATE_REG(0xD2, DM2CNT_H);
  1.2774 +
  1.2775 +		if (start && (value & 0x8000))
  1.2776 +		{
  1.2777 +			dma2Source = DM2SAD_L | (DM2SAD_H << 16);
  1.2778 +			dma2Dest   = DM2DAD_L | (DM2DAD_H << 16);
  1.2779 +
  1.2780 +			CPUCheckDMA(0, 4);
  1.2781 +		}
  1.2782 +		break;
  1.2783 +	}
  1.2784 +	case 0xD4:
  1.2785 +		DM3SAD_L = value;
  1.2786 +		UPDATE_REG(0xD4, DM3SAD_L);
  1.2787 +		break;
  1.2788 +	case 0xD6:
  1.2789 +		DM3SAD_H = value & 0x0FFF;
  1.2790 +		UPDATE_REG(0xD6, DM3SAD_H);
  1.2791 +		break;
  1.2792 +	case 0xD8:
  1.2793 +		DM3DAD_L = value;
  1.2794 +		UPDATE_REG(0xD8, DM3DAD_L);
  1.2795 +		break;
  1.2796 +	case 0xDA:
  1.2797 +		DM3DAD_H = value & 0x0FFF;
  1.2798 +		UPDATE_REG(0xDA, DM3DAD_H);
  1.2799 +		break;
  1.2800 +	case 0xDC:
  1.2801 +		DM3CNT_L = value;
  1.2802 +		UPDATE_REG(0xDC, 0);
  1.2803 +		break;
  1.2804 +	case 0xDE:
  1.2805 +	{
  1.2806 +		bool start = ((DM3CNT_H ^ value) & 0x8000) ? true : false;
  1.2807 +
  1.2808 +		value &= 0xFFE0;
  1.2809 +
  1.2810 +		DM3CNT_H = value;
  1.2811 +		UPDATE_REG(0xDE, DM3CNT_H);
  1.2812 +
  1.2813 +		if (start && (value & 0x8000))
  1.2814 +		{
  1.2815 +			dma3Source = DM3SAD_L | (DM3SAD_H << 16);
  1.2816 +			dma3Dest   = DM3DAD_L | (DM3DAD_H << 16);
  1.2817 +			CPUCheckDMA(0, 8);
  1.2818 +		}
  1.2819 +		break;
  1.2820 +	}
  1.2821 +	case 0x100:
  1.2822 +		timer0Reload = value;
  1.2823 +		break;
  1.2824 +	case 0x102:
  1.2825 +		timer0Ticks = timer0ClockReload = TIMER_TICKS[value & 3];
  1.2826 +		if (!timer0On && (value & 0x80))
  1.2827 +		{
  1.2828 +			// reload the counter
  1.2829 +			TM0D = timer0Reload;
  1.2830 +			if (timer0ClockReload == 1)
  1.2831 +				timer0Ticks = 0x10000 - TM0D;
  1.2832 +			UPDATE_REG(0x100, TM0D);
  1.2833 +		}
  1.2834 +		timer0On = value & 0x80 ? true : false;
  1.2835 +		TM0CNT	 = value & 0xC7;
  1.2836 +		UPDATE_REG(0x102, TM0CNT);
  1.2837 +		//    CPUUpdateTicks();
  1.2838 +		break;
  1.2839 +	case 0x104:
  1.2840 +		timer1Reload = value;
  1.2841 +		break;
  1.2842 +	case 0x106:
  1.2843 +		timer1Ticks = timer1ClockReload = TIMER_TICKS[value & 3];
  1.2844 +		if (!timer1On && (value & 0x80))
  1.2845 +		{
  1.2846 +			// reload the counter
  1.2847 +			TM1D = timer1Reload;
  1.2848 +			if (timer1ClockReload == 1)
  1.2849 +				timer1Ticks = 0x10000 - TM1D;
  1.2850 +			UPDATE_REG(0x104, TM1D);
  1.2851 +		}
  1.2852 +		timer1On = value & 0x80 ? true : false;
  1.2853 +		TM1CNT	 = value & 0xC7;
  1.2854 +		UPDATE_REG(0x106, TM1CNT);
  1.2855 +		break;
  1.2856 +	case 0x108:
  1.2857 +		timer2Reload = value;
  1.2858 +		break;
  1.2859 +	case 0x10A:
  1.2860 +		timer2Ticks = timer2ClockReload = TIMER_TICKS[value & 3];
  1.2861 +		if (!timer2On && (value & 0x80))
  1.2862 +		{
  1.2863 +			// reload the counter
  1.2864 +			TM2D = timer2Reload;
  1.2865 +			if (timer2ClockReload == 1)
  1.2866 +				timer2Ticks = 0x10000 - TM2D;
  1.2867 +			UPDATE_REG(0x108, TM2D);
  1.2868 +		}
  1.2869 +		timer2On = value & 0x80 ? true : false;
  1.2870 +		TM2CNT	 = value & 0xC7;
  1.2871 +		UPDATE_REG(0x10A, TM2CNT);
  1.2872 +		break;
  1.2873 +	case 0x10C:
  1.2874 +		timer3Reload = value;
  1.2875 +		break;
  1.2876 +	case 0x10E:
  1.2877 +		timer3Ticks = timer3ClockReload = TIMER_TICKS[value & 3];
  1.2878 +		if (!timer3On && (value & 0x80))
  1.2879 +		{
  1.2880 +			// reload the counter
  1.2881 +			TM3D = timer3Reload;
  1.2882 +			if (timer3ClockReload == 1)
  1.2883 +				timer3Ticks = 0x10000 - TM3D;
  1.2884 +			UPDATE_REG(0x10C, TM3D);
  1.2885 +		}
  1.2886 +		timer3On = value & 0x80 ? true : false;
  1.2887 +		TM3CNT	 = value & 0xC7;
  1.2888 +		UPDATE_REG(0x10E, TM3CNT);
  1.2889 +		break;
  1.2890 +	case 0x128:
  1.2891 +		if (value & 0x80)
  1.2892 +		{
  1.2893 +			value &= 0xff7f;
  1.2894 +			if (value & 1 && (value & 0x4000))
  1.2895 +			{
  1.2896 +				UPDATE_REG(0x12a, 0xFF);
  1.2897 +				IF |= 0x80;
  1.2898 +				UPDATE_REG(0x202, IF);
  1.2899 +				value &= 0x7f7f;
  1.2900 +			}
  1.2901 +		}
  1.2902 +		UPDATE_REG(0x128, value);
  1.2903 +		break;
  1.2904 +	case 0x130:
  1.2905 +		P1 |= (value & 0x3FF);
  1.2906 +		UPDATE_REG(0x130, P1);
  1.2907 +		break;
  1.2908 +	case 0x132:
  1.2909 +		UPDATE_REG(0x132, value & 0xC3FF);
  1.2910 +		break;
  1.2911 +	case 0x200:
  1.2912 +		IE = value & 0x3FFF;
  1.2913 +		UPDATE_REG(0x200, IE);
  1.2914 +		if ((IME & 1) && (IF & IE) && armIrqEnable)
  1.2915 +		{
  1.2916 +			CPU_BREAK_LOOP_2;
  1.2917 +		}
  1.2918 +		break;
  1.2919 +	case 0x202:
  1.2920 +		IF ^= (value & IF);
  1.2921 +		UPDATE_REG(0x202, IF);
  1.2922 +		break;
  1.2923 +	case 0x204:
  1.2924 +	{
  1.2925 +		int i;
  1.2926 +		memoryWait[0x0e] = memoryWaitSeq[0x0e] = gamepakRamWaitState[value & 3];
  1.2927 +
  1.2928 +		if (!speedHack)
  1.2929 +		{
  1.2930 +			memoryWait[0x08]	= memoryWait[0x09] = gamepakWaitState[(value >> 2) & 7];
  1.2931 +			memoryWaitSeq[0x08] = memoryWaitSeq[0x09] =
  1.2932 +			                          gamepakWaitState0[(value >> 2) & 7];
  1.2933 +
  1.2934 +			memoryWait[0x0a]	= memoryWait[0x0b] = gamepakWaitState[(value >> 5) & 7];
  1.2935 +			memoryWaitSeq[0x0a] = memoryWaitSeq[0x0b] =
  1.2936 +			                          gamepakWaitState1[(value >> 5) & 7];
  1.2937 +
  1.2938 +			memoryWait[0x0c]	= memoryWait[0x0d] = gamepakWaitState[(value >> 8) & 7];
  1.2939 +			memoryWaitSeq[0x0c] = memoryWaitSeq[0x0d] =
  1.2940 +			                          gamepakWaitState2[(value >> 8) & 7];
  1.2941 +		}
  1.2942 +		else
  1.2943 +		{
  1.2944 +			memoryWait[0x08]	= memoryWait[0x09] = 4;
  1.2945 +			memoryWaitSeq[0x08] = memoryWaitSeq[0x09] = 2;
  1.2946 +
  1.2947 +			memoryWait[0x0a]	= memoryWait[0x0b] = 4;
  1.2948 +			memoryWaitSeq[0x0a] = memoryWaitSeq[0x0b] = 4;
  1.2949 +
  1.2950 +			memoryWait[0x0c]	= memoryWait[0x0d] = 4;
  1.2951 +			memoryWaitSeq[0x0c] = memoryWaitSeq[0x0d] = 8;
  1.2952 +		}
  1.2953 +		for (i = 0; i < 16; i++)
  1.2954 +		{
  1.2955 +			memoryWaitFetch32[i] = memoryWait32[i] = memoryWait[i] *
  1.2956 +			                                         (memory32[i] ? 1 : 2);
  1.2957 +			memoryWaitFetch[i] = memoryWait[i];
  1.2958 +		}
  1.2959 +		memoryWaitFetch32[3] += 1;
  1.2960 +		memoryWaitFetch32[2] += 3;
  1.2961 +
  1.2962 +		prefetchActive	= false;
  1.2963 +		prefetchApplies = false;
  1.2964 +		if (value & 0x4000)
  1.2965 +		{
  1.2966 +			for (i = 8; i < 16; i++)
  1.2967 +			{
  1.2968 +				memoryWaitFetch32[i] = 2 * cpuMemoryWait[i];
  1.2969 +				memoryWaitFetch[i]	 = cpuMemoryWait[i];
  1.2970 +			}
  1.2971 +			if (((value & 3) == 3))
  1.2972 +			{
  1.2973 +				if (!memLagTempEnabled)
  1.2974 +				{
  1.2975 +					memoryWaitFetch[8]--; // hack to prevent inaccurately extreme lag at some points of many games (possibly
  1.2976 +					                      // from no pre-fetch emulation)
  1.2977 +					                      /// FIXME: how correct is this? Should it set the fetch to 0 or change fetch32 or
  1.2978 +					                      // anything else?
  1.2979 +
  1.2980 +					prefetchActive = true;
  1.2981 +				}
  1.2982 +				prefetchApplies = true;
  1.2983 +			}
  1.2984 +		}
  1.2985 +		//if(prefetchActive && !prefetchPrevActive) systemScreenMessage("pre-fetch enabled",3,600);
  1.2986 +		//if(!prefetchActive && prefetchPrevActive) systemScreenMessage("pre-fetch disabled",3,600);
  1.2987 +		prefetchPrevActive = prefetchActive;
  1.2988 +
  1.2989 +		UPDATE_REG(0x204, value);
  1.2990 +		break;
  1.2991 +	}
  1.2992 +	case 0x208:
  1.2993 +		IME = value & 1;
  1.2994 +		UPDATE_REG(0x208, IME);
  1.2995 +		if ((IME & 1) && (IF & IE) && armIrqEnable)
  1.2996 +		{
  1.2997 +			CPU_BREAK_LOOP_2;
  1.2998 +		}
  1.2999 +		break;
  1.3000 +	case 0x300:
  1.3001 +		if (value != 0)
  1.3002 +			value &= 0xFFFE;
  1.3003 +		UPDATE_REG(0x300, value);
  1.3004 +		break;
  1.3005 +	default:
  1.3006 +		UPDATE_REG(address & 0x3FE, value);
  1.3007 +		break;
  1.3008 +	}
  1.3009 +}
  1.3010 +
  1.3011 +void CPUWriteHalfWordWrapped(u32 address, u16 value)
  1.3012 +{
  1.3013 +#ifdef GBA_LOGGING
  1.3014 +	if (address & 1)
  1.3015 +	{
  1.3016 +		if (systemVerbose & VERBOSE_UNALIGNED_MEMORY)
  1.3017 +		{
  1.3018 +			log("Unaligned halfword write: %04x to %08x from %08x\n",
  1.3019 +			    value,
  1.3020 +			    address,
  1.3021 +			    armMode ? armNextPC - 4 : armNextPC - 2);
  1.3022 +		}
  1.3023 +	}
  1.3024 +#endif
  1.3025 +
  1.3026 +	switch (address >> 24)
  1.3027 +	{
  1.3028 +	case 2:
  1.3029 +#ifdef SDL
  1.3030 +		if (*((u16 *)&freezeWorkRAM[address & 0x3FFFE]))
  1.3031 +			cheatsWriteHalfWord((u16 *)&workRAM[address & 0x3FFFE],
  1.3032 +			                    value,
  1.3033 +			                    *((u16 *)&freezeWorkRAM[address & 0x3FFFE]));
  1.3034 +		else
  1.3035 +#endif
  1.3036 +		WRITE16LE(((u16 *)&workRAM[address & 0x3FFFE]), value);
  1.3037 +		break;
  1.3038 +	case 3:
  1.3039 +#ifdef SDL
  1.3040 +		if (*((u16 *)&freezeInternalRAM[address & 0x7ffe]))
  1.3041 +			cheatsWriteHalfWord((u16 *)&internalRAM[address & 0x7ffe],
  1.3042 +			                    value,
  1.3043 +			                    *((u16 *)&freezeInternalRAM[address & 0x7ffe]));
  1.3044 +		else
  1.3045 +#endif
  1.3046 +		WRITE16LE(((u16 *)&internalRAM[address & 0x7ffe]), value);
  1.3047 +		break;
  1.3048 +	case 4:
  1.3049 +		CPUUpdateRegister(address & 0x3fe, value);
  1.3050 +		break;
  1.3051 +	case 5:
  1.3052 +		WRITE16LE(((u16 *)&paletteRAM[address & 0x3fe]), value);
  1.3053 +		break;
  1.3054 +	case 6:
  1.3055 +		if (address & 0x10000)
  1.3056 +			WRITE16LE(((u16 *)&vram[address & 0x17ffe]), value);
  1.3057 +		else
  1.3058 +			WRITE16LE(((u16 *)&vram[address & 0x1fffe]), value);
  1.3059 +		break;
  1.3060 +	case 7:
  1.3061 +		WRITE16LE(((u16 *)&oam[address & 0x3fe]), value);
  1.3062 +		break;
  1.3063 +	case 8:
  1.3064 +	case 9:
  1.3065 +		if (address == 0x80000c4 || address == 0x80000c6 || address == 0x80000c8)
  1.3066 +		{
  1.3067 +			if (!rtcWrite(address, value))
  1.3068 +				goto unwritable;
  1.3069 +		}
  1.3070 +		else if (!agbPrintWrite(address, value))
  1.3071 +			goto unwritable;
  1.3072 +		break;
  1.3073 +	case 13:
  1.3074 +		if (cpuEEPROMEnabled)
  1.3075 +		{
  1.3076 +			eepromWrite(address, (u8)(value & 0xFF));
  1.3077 +			break;
  1.3078 +		}
  1.3079 +		goto unwritable;
  1.3080 +	case 14:
  1.3081 +		if (!eepromInUse | cpuSramEnabled | cpuFlashEnabled)
  1.3082 +		{
  1.3083 +			(*cpuSaveGameFunc)(address, (u8)(value & 0xFF));
  1.3084 +			break;
  1.3085 +		}
  1.3086 +		goto unwritable;
  1.3087 +	default:
  1.3088 +unwritable:
  1.3089 +#ifdef GBA_LOGGING
  1.3090 +		if (systemVerbose & VERBOSE_ILLEGAL_WRITE)
  1.3091 +		{
  1.3092 +			log("Illegal halfword write: %04x to %08x from %08x\n",
  1.3093 +			    value,
  1.3094 +			    address,
  1.3095 +			    armMode ? armNextPC - 4 : armNextPC - 2);
  1.3096 +		}
  1.3097 +#endif
  1.3098 +		break;
  1.3099 +	}
  1.3100 +}
  1.3101 +
  1.3102 +void CPUWriteHalfWord(u32 address, u16 value)
  1.3103 +{
  1.3104 +	CPUWriteHalfWordWrapped(address, value);
  1.3105 +	CallRegisteredLuaMemHook(address, 2, value, LUAMEMHOOK_WRITE);
  1.3106 +}
  1.3107 +
  1.3108 +void CPUWriteByteWrapped(u32 address, u8 b)
  1.3109 +{
  1.3110 +	switch (address >> 24)
  1.3111 +	{
  1.3112 +	case 2:
  1.3113 +#ifdef SDL
  1.3114 +		if (freezeWorkRAM[address & 0x3FFFF])
  1.3115 +			cheatsWriteByte(&workRAM[address & 0x3FFFF], b);
  1.3116 +		else
  1.3117 +#endif
  1.3118 +		workRAM[address & 0x3FFFF] = b;
  1.3119 +		break;
  1.3120 +	case 3:
  1.3121 +#ifdef SDL
  1.3122 +		if (freezeInternalRAM[address & 0x7fff])
  1.3123 +			cheatsWriteByte(&internalRAM[address & 0x7fff], b);
  1.3124 +		else
  1.3125 +#endif
  1.3126 +		internalRAM[address & 0x7fff] = b;
  1.3127 +		break;
  1.3128 +	case 4:
  1.3129 +		switch (address & 0x3FF)
  1.3130 +		{
  1.3131 +		case 0x301:
  1.3132 +			if (b == 0x80)
  1.3133 +				stopState = true;
  1.3134 +			holdState = 1;
  1.3135 +			holdType  = -1;
  1.3136 +			break;
  1.3137 +		case 0x60:
  1.3138 +		case 0x61:
  1.3139 +		case 0x62:
  1.3140 +		case 0x63:
  1.3141 +		case 0x64:
  1.3142 +		case 0x65:
  1.3143 +		case 0x68:
  1.3144 +		case 0x69:
  1.3145 +		case 0x6c:
  1.3146 +		case 0x6d:
  1.3147 +		case 0x70:
  1.3148 +		case 0x71:
  1.3149 +		case 0x72:
  1.3150 +		case 0x73:
  1.3151 +		case 0x74:
  1.3152 +		case 0x75:
  1.3153 +		case 0x78:
  1.3154 +		case 0x79:
  1.3155 +		case 0x7c:
  1.3156 +		case 0x7d:
  1.3157 +		case 0x80:
  1.3158 +		case 0x81:
  1.3159 +		case 0x84:
  1.3160 +		case 0x85:
  1.3161 +		case 0x90:
  1.3162 +		case 0x91:
  1.3163 +		case 0x92:
  1.3164 +		case 0x93:
  1.3165 +		case 0x94:
  1.3166 +		case 0x95:
  1.3167 +		case 0x96:
  1.3168 +		case 0x97:
  1.3169 +		case 0x98:
  1.3170 +		case 0x99:
  1.3171 +		case 0x9a:
  1.3172 +		case 0x9b:
  1.3173 +		case 0x9c:
  1.3174 +		case 0x9d:
  1.3175 +		case 0x9e:
  1.3176 +		case 0x9f:
  1.3177 +			soundEvent(address & 0xFF, b);
  1.3178 +			break;
  1.3179 +		default:
  1.3180 +			//      if(address & 1) {
  1.3181 +			//        CPUWriteHalfWord(address-1, (CPUReadHalfWord(address-1)&0x00FF)|((int)b<<8));
  1.3182 +			//      } else
  1.3183 +			if (address & 1)
  1.3184 +				CPUUpdateRegister(address & 0x3fe,
  1.3185 +				                  ((READ16LE(((u16 *)&ioMem[address & 0x3fe])))
  1.3186 +				                   & 0x00FF) |
  1.3187 +				                  b << 8);
  1.3188 +			else
  1.3189 +				CPUUpdateRegister(address & 0x3fe,
  1.3190 +				                  ((READ16LE(((u16 *)&ioMem[address & 0x3fe])) & 0xFF00) | b));
  1.3191 +		}
  1.3192 +		break;
  1.3193 +	case 5:
  1.3194 +		// no need to switch
  1.3195 +		*((u16 *)&paletteRAM[address & 0x3FE]) = (b << 8) | b;
  1.3196 +		break;
  1.3197 +	case 6:
  1.3198 +		// no need to switch
  1.3199 +		if (address & 0x10000)
  1.3200 +			*((u16 *)&vram[address & 0x17FFE]) = (b << 8) | b;
  1.3201 +		else
  1.3202 +			*((u16 *)&vram[address & 0x1FFFE]) = (b << 8) | b;
  1.3203 +		break;
  1.3204 +	case 7:
  1.3205 +		// no need to switch
  1.3206 +		*((u16 *)&oam[address & 0x3FE]) = (b << 8) | b;
  1.3207 +		break;
  1.3208 +	case 13:
  1.3209 +		if (cpuEEPROMEnabled)
  1.3210 +		{
  1.3211 +			eepromWrite(address, b);
  1.3212 +			break;
  1.3213 +		}
  1.3214 +		goto unwritable;
  1.3215 +	case 14:
  1.3216 +		if (!eepromInUse | cpuSramEnabled | cpuFlashEnabled)
  1.3217 +		{
  1.3218 +			(*cpuSaveGameFunc)(address, b);
  1.3219 +			break;
  1.3220 +		}
  1.3221 +	// default
  1.3222 +	default:
  1.3223 +unwritable:
  1.3224 +#ifdef GBA_LOGGING
  1.3225 +		if (systemVerbose & VERBOSE_ILLEGAL_WRITE)
  1.3226 +		{
  1.3227 +			log("Illegal byte write: %02x to %08x from %08x\n",
  1.3228 +			    b,
  1.3229 +			    address,
  1.3230 +			    armMode ? armNextPC - 4 : armNextPC - 2);
  1.3231 +		}
  1.3232 +#endif
  1.3233 +		break;
  1.3234 +	}
  1.3235 +}
  1.3236 +
  1.3237 +void CPUWriteByte(u32 address, u8 b)
  1.3238 +{
  1.3239 +	CPUWriteByteWrapped(address, b);
  1.3240 +	CallRegisteredLuaMemHook(address, 1, b, LUAMEMHOOK_WRITE);
  1.3241 +}
  1.3242 +
  1.3243 +bool CPULoadBios(const char *biosFileName, bool useBiosFile)
  1.3244 +{
  1.3245 +	useBios = false;
  1.3246 +	if (useBiosFile)
  1.3247 +	{
  1.3248 +		useBios = utilLoadBIOS(bios, biosFileName, 4);
  1.3249 +		if (!useBios)
  1.3250 +		{
  1.3251 +			systemMessage(MSG_INVALID_BIOS_FILE_SIZE, N_("Invalid GBA BIOS file"));
  1.3252 +		}
  1.3253 +	}
  1.3254 +
  1.3255 +	if (!useBios)
  1.3256 +	{
  1.3257 +		// load internal BIOS
  1.3258 +		memcpy(bios, myROM, sizeof(myROM));
  1.3259 +	}
  1.3260 +
  1.3261 +	return useBios;
  1.3262 +}
  1.3263 +
  1.3264 +void CPUInit()
  1.3265 +{
  1.3266 +#ifdef WORDS_BIGENDIAN
  1.3267 +	if (!cpuBiosSwapped)
  1.3268 +	{
  1.3269 +		for (unsigned int i = 0; i < sizeof(myROM) / 4; i++)
  1.3270 +		{
  1.3271 +			WRITE32LE(&myROM[i], myROM[i]);
  1.3272 +		}
  1.3273 +		cpuBiosSwapped = true;
  1.3274 +	}
  1.3275 +#endif
  1.3276 +	gbaSaveType = 0;
  1.3277 +	eepromInUse = 0;
  1.3278 +	saveType	= 0;
  1.3279 +
  1.3280 +	if (!useBios)
  1.3281 +	{
  1.3282 +		// load internal BIOS
  1.3283 +		memcpy(bios, myROM, sizeof(myROM));
  1.3284 +	}
  1.3285 +
  1.3286 +	biosProtected[0] = 0x00;
  1.3287 +	biosProtected[1] = 0xf0;
  1.3288 +	biosProtected[2] = 0x29;
  1.3289 +	biosProtected[3] = 0xe1;
  1.3290 +
  1.3291 +	int i = 0;
  1.3292 +	for (i = 0; i < 256; i++)
  1.3293 +	{
  1.3294 +		int cpuBitSetCount = 0;
  1.3295 +		int j;
  1.3296 +		for (j = 0; j < 8; j++)
  1.3297 +			if (i & (1 << j))
  1.3298 +				cpuBitSetCount++;
  1.3299 +		cpuBitsSet[i] = cpuBitSetCount;
  1.3300 +
  1.3301 +		for (j = 0; j < 8; j++)
  1.3302 +			if (i & (1 << j))
  1.3303 +				break;
  1.3304 +		cpuLowestBitSet[i] = j;
  1.3305 +	}
  1.3306 +
  1.3307 +	for (i = 0; i < 0x400; i++)
  1.3308 +		ioReadable[i] = true;
  1.3309 +	for (i = 0x10; i < 0x48; i++)
  1.3310 +		ioReadable[i] = false;
  1.3311 +	for (i = 0x4c; i < 0x50; i++)
  1.3312 +		ioReadable[i] = false;
  1.3313 +	for (i = 0x54; i < 0x60; i++)
  1.3314 +		ioReadable[i] = false;
  1.3315 +	for (i = 0x8c; i < 0x90; i++)
  1.3316 +		ioReadable[i] = false;
  1.3317 +	for (i = 0xa0; i < 0xb8; i++)
  1.3318 +		ioReadable[i] = false;
  1.3319 +	for (i = 0xbc; i < 0xc4; i++)
  1.3320 +		ioReadable[i] = false;
  1.3321 +	for (i = 0xc8; i < 0xd0; i++)
  1.3322 +		ioReadable[i] = false;
  1.3323 +	for (i = 0xd4; i < 0xdc; i++)
  1.3324 +		ioReadable[i] = false;
  1.3325 +	for (i = 0xe0; i < 0x100; i++)
  1.3326 +		ioReadable[i] = false;
  1.3327 +	for (i = 0x110; i < 0x120; i++)
  1.3328 +		ioReadable[i] = false;
  1.3329 +	for (i = 0x12c; i < 0x130; i++)
  1.3330 +		ioReadable[i] = false;
  1.3331 +	for (i = 0x138; i < 0x140; i++)
  1.3332 +		ioReadable[i] = false;
  1.3333 +	for (i = 0x144; i < 0x150; i++)
  1.3334 +		ioReadable[i] = false;
  1.3335 +	for (i = 0x15c; i < 0x200; i++)
  1.3336 +		ioReadable[i] = false;
  1.3337 +	for (i = 0x20c; i < 0x300; i++)
  1.3338 +		ioReadable[i] = false;
  1.3339 +	for (i = 0x304; i < 0x400; i++)
  1.3340 +		ioReadable[i] = false;
  1.3341 +
  1.3342 +	*((u16 *)&rom[0x1fe209c]) = 0xdffa;  // SWI 0xFA
  1.3343 +	*((u16 *)&rom[0x1fe209e]) = 0x4770;  // BX LR
  1.3344 +
  1.3345 +	{
  1.3346 +		int32 origMemoryWaitFetch[16]	= { 3, 0, 3, 0, 0, 1, 1, 0, 4, 4, 4, 4, 4, 4, 4, 0 };
  1.3347 +		int32 origMemoryWaitFetch32[16] = { 6, 0, 6, 0, 0, 2, 2, 0, 8, 8, 8, 8, 8, 8, 8, 0 };
  1.3348 +		memcpy(memoryWaitFetch, origMemoryWaitFetch, 16 * sizeof(int32));
  1.3349 +		memcpy(memoryWaitFetch32, origMemoryWaitFetch32, 16 * sizeof(int32));
  1.3350 +	}
  1.3351 +}
  1.3352 +
  1.3353 +void CPUReset(bool userReset)
  1.3354 +{
  1.3355 +	// movie must be closed while opening/creating a movie
  1.3356 +	if (userReset && VBAMovieRecording())
  1.3357 +	{
  1.3358 +		VBAMovieSignalReset();
  1.3359 +		return;
  1.3360 +	}
  1.3361 +
  1.3362 +	if (!VBAMovieActive())
  1.3363 +	{
  1.3364 +		GBASystemCounters.frameCount = 0;
  1.3365 +		GBASystemCounters.lagCount	 = 0;
  1.3366 +		GBASystemCounters.extraCount = 0;
  1.3367 +		GBASystemCounters.lagged	 = true;
  1.3368 +		GBASystemCounters.laggedLast = true;
  1.3369 +	}
  1.3370 +
  1.3371 +	if (gbaSaveType == 0)
  1.3372 +	{
  1.3373 +		if (eepromInUse)
  1.3374 +			gbaSaveType = 3;
  1.3375 +		else
  1.3376 +			switch (saveType)
  1.3377 +			{
  1.3378 +			case 1:
  1.3379 +				gbaSaveType = 1;
  1.3380 +				break;
  1.3381 +			case 2:
  1.3382 +				gbaSaveType = 2;
  1.3383 +				break;
  1.3384 +			}
  1.3385 +	}
  1.3386 +
  1.3387 +	rtcReset();
  1.3388 +	// clean registers
  1.3389 +	memset(&reg[0], 0, sizeof(reg));
  1.3390 +	// clean OAM
  1.3391 +	memset(oam, 0, 0x400);
  1.3392 +	// clean palette
  1.3393 +	memset(paletteRAM, 0, 0x400);
  1.3394 +	// clean picture
  1.3395 +	memset(pix, 0, 4 * 241 * 162);
  1.3396 +	// clean vram
  1.3397 +	memset(vram, 0, 0x20000);
  1.3398 +	// clean io memory
  1.3399 +	memset(ioMem, 0, 0x400);
  1.3400 +	// clean RAM
  1.3401 +	memset(internalRAM, 0, 0x8000); /// FIXME: is it unsafe to erase ALL of this? Even the init code doesn't.
  1.3402 +	memset(workRAM, 0, 0x40000); /// ditto
  1.3403 +
  1.3404 +	DISPCNT	 = 0x0080;
  1.3405 +	DISPSTAT = 0x0000;
  1.3406 +	VCOUNT	 = 0x0000;
  1.3407 +	BG0CNT	 = 0x0000;
  1.3408 +	BG1CNT	 = 0x0000;
  1.3409 +	BG2CNT	 = 0x0000;
  1.3410 +	BG3CNT	 = 0x0000;
  1.3411 +	BG0HOFS	 = 0x0000;
  1.3412 +	BG0VOFS	 = 0x0000;
  1.3413 +	BG1HOFS	 = 0x0000;
  1.3414 +	BG1VOFS	 = 0x0000;
  1.3415 +	BG2HOFS	 = 0x0000;
  1.3416 +	BG2VOFS	 = 0x0000;
  1.3417 +	BG3HOFS	 = 0x0000;
  1.3418 +	BG3VOFS	 = 0x0000;
  1.3419 +	BG2PA	 = 0x0100;
  1.3420 +	BG2PB	 = 0x0000;
  1.3421 +	BG2PC	 = 0x0000;
  1.3422 +	BG2PD	 = 0x0100;
  1.3423 +	BG2X_L	 = 0x0000;
  1.3424 +	BG2X_H	 = 0x0000;
  1.3425 +	BG2Y_L	 = 0x0000;
  1.3426 +	BG2Y_H	 = 0x0000;
  1.3427 +	BG3PA	 = 0x0100;
  1.3428 +	BG3PB	 = 0x0000;
  1.3429 +	BG3PC	 = 0x0000;
  1.3430 +	BG3PD	 = 0x0100;
  1.3431 +	BG3X_L	 = 0x0000;
  1.3432 +	BG3X_H	 = 0x0000;
  1.3433 +	BG3Y_L	 = 0x0000;
  1.3434 +	BG3Y_H	 = 0x0000;
  1.3435 +	WIN0H	 = 0x0000;
  1.3436 +	WIN1H	 = 0x0000;
  1.3437 +	WIN0V	 = 0x0000;
  1.3438 +	WIN1V	 = 0x0000;
  1.3439 +	WININ	 = 0x0000;
  1.3440 +	WINOUT	 = 0x0000;
  1.3441 +	MOSAIC	 = 0x0000;
  1.3442 +	BLDMOD	 = 0x0000;
  1.3443 +	COLEV	 = 0x0000;
  1.3444 +	COLY	 = 0x0000;
  1.3445 +	DM0SAD_L = 0x0000;
  1.3446 +	DM0SAD_H = 0x0000;
  1.3447 +	DM0DAD_L = 0x0000;
  1.3448 +	DM0DAD_H = 0x0000;
  1.3449 +	DM0CNT_L = 0x0000;
  1.3450 +	DM0CNT_H = 0x0000;
  1.3451 +	DM1SAD_L = 0x0000;
  1.3452 +	DM1SAD_H = 0x0000;
  1.3453 +	DM1DAD_L = 0x0000;
  1.3454 +	DM1DAD_H = 0x0000;
  1.3455 +	DM1CNT_L = 0x0000;
  1.3456 +	DM1CNT_H = 0x0000;
  1.3457 +	DM2SAD_L = 0x0000;
  1.3458 +	DM2SAD_H = 0x0000;
  1.3459 +	DM2DAD_L = 0x0000;
  1.3460 +	DM2DAD_H = 0x0000;
  1.3461 +	DM2CNT_L = 0x0000;
  1.3462 +	DM2CNT_H = 0x0000;
  1.3463 +	DM3SAD_L = 0x0000;
  1.3464 +	DM3SAD_H = 0x0000;
  1.3465 +	DM3DAD_L = 0x0000;
  1.3466 +	DM3DAD_H = 0x0000;
  1.3467 +	DM3CNT_L = 0x0000;
  1.3468 +	DM3CNT_H = 0x0000;
  1.3469 +	TM0D	 = 0x0000;
  1.3470 +	TM0CNT	 = 0x0000;
  1.3471 +	TM1D	 = 0x0000;
  1.3472 +	TM1CNT	 = 0x0000;
  1.3473 +	TM2D	 = 0x0000;
  1.3474 +	TM2CNT	 = 0x0000;
  1.3475 +	TM3D	 = 0x0000;
  1.3476 +	TM3CNT	 = 0x0000;
  1.3477 +	P1		 = 0x03FF;
  1.3478 +	IE		 = 0x0000;
  1.3479 +	IF		 = 0x0000;
  1.3480 +	IME		 = 0x0000;
  1.3481 +
  1.3482 +	armMode = 0x1F;
  1.3483 +
  1.3484 +	if (cpuIsMultiBoot)
  1.3485 +	{
  1.3486 +		reg[13].I	   = 0x03007F00;
  1.3487 +		reg[15].I	   = 0x02000000;
  1.3488 +		reg[16].I	   = 0x00000000;
  1.3489 +		reg[R13_IRQ].I = 0x03007FA0;
  1.3490 +		reg[R13_SVC].I = 0x03007FE0;
  1.3491 +		armIrqEnable   = true;
  1.3492 +	}
  1.3493 +	else
  1.3494 +	{
  1.3495 +		if (useBios && !skipBios)
  1.3496 +		{
  1.3497 +			reg[15].I	 = 0x00000000;
  1.3498 +			armMode		 = 0x13;
  1.3499 +			armIrqEnable = false;
  1.3500 +		}
  1.3501 +		else
  1.3502 +		{
  1.3503 +			reg[13].I	   = 0x03007F00;
  1.3504 +			reg[15].I	   = 0x08000000;
  1.3505 +			reg[16].I	   = 0x00000000;
  1.3506 +			reg[R13_IRQ].I = 0x03007FA0;
  1.3507 +			reg[R13_SVC].I = 0x03007FE0;
  1.3508 +			armIrqEnable   = true;
  1.3509 +		}
  1.3510 +	}
  1.3511 +	armState = true;
  1.3512 +	C_FLAG	 = V_FLAG = N_FLAG = Z_FLAG = false;
  1.3513 +	UPDATE_REG(0x00, DISPCNT);
  1.3514 +	UPDATE_REG(0x20, BG2PA);
  1.3515 +	UPDATE_REG(0x26, BG2PD);
  1.3516 +	UPDATE_REG(0x30, BG3PA);
  1.3517 +	UPDATE_REG(0x36, BG3PD);
  1.3518 +	UPDATE_REG(0x130, P1);
  1.3519 +	UPDATE_REG(0x88, 0x200);
  1.3520 +
  1.3521 +	// disable FIQ
  1.3522 +	reg[16].I |= 0x40;
  1.3523 +	CPUUpdateCPSR();
  1.3524 +
  1.3525 +	armNextPC  = reg[15].I;
  1.3526 +	reg[15].I += 4;
  1.3527 +
  1.3528 +	// reset internal state
  1.3529 +	holdState = false;
  1.3530 +	holdType  = 0;
  1.3531 +
  1.3532 +	biosProtected[0] = 0x00;
  1.3533 +	biosProtected[1] = 0xf0;
  1.3534 +	biosProtected[2] = 0x29;
  1.3535 +	biosProtected[3] = 0xe1;
  1.3536 +
  1.3537 +	BIOS_RegisterRamReset();
  1.3538 +
  1.3539 +	lcdTicks = 960;
  1.3540 +	timer0On = false;
  1.3541 +	timer0Ticks		  = 0;
  1.3542 +	timer0Reload	  = 0;
  1.3543 +	timer0ClockReload = 0;
  1.3544 +	timer1On		  = false;
  1.3545 +	timer1Ticks		  = 0;
  1.3546 +	timer1Reload	  = 0;
  1.3547 +	timer1ClockReload = 0;
  1.3548 +	timer2On		  = false;
  1.3549 +	timer2Ticks		  = 0;
  1.3550 +	timer2Reload	  = 0;
  1.3551 +	timer2ClockReload = 0;
  1.3552 +	timer3On		  = false;
  1.3553 +	timer3Ticks		  = 0;
  1.3554 +	timer3Reload	  = 0;
  1.3555 +	timer3ClockReload = 0;
  1.3556 +	dma0Source		  = 0;
  1.3557 +	dma0Dest		  = 0;
  1.3558 +	dma1Source		  = 0;
  1.3559 +	dma1Dest		  = 0;
  1.3560 +	dma2Source		  = 0;
  1.3561 +	dma2Dest		  = 0;
  1.3562 +	dma3Source		  = 0;
  1.3563 +	dma3Dest		  = 0;
  1.3564 +	cpuSaveGameFunc	  = flashSaveDecide;
  1.3565 +	renderLine		  = mode0RenderLine;
  1.3566 +	fxOn			  = false;
  1.3567 +	windowOn		  = false;
  1.3568 +	frameSkipCount	  = 0;
  1.3569 +	saveType		  = 0;
  1.3570 +	layerEnable		  = DISPCNT & layerSettings;
  1.3571 +
  1.3572 +	CPUUpdateRenderBuffers(true);
  1.3573 +
  1.3574 +	for (int i = 0; i < 256; i++)
  1.3575 +	{
  1.3576 +		map[i].address = (u8 *)&dummyAddress;
  1.3577 +		map[i].mask	   = 0;
  1.3578 +	}
  1.3579 +
  1.3580 +	map[0].address	= bios;
  1.3581 +	map[0].mask		= 0x3FFF;
  1.3582 +	map[2].address	= workRAM;
  1.3583 +	map[2].mask		= 0x3FFFF;
  1.3584 +	map[3].address	= internalRAM;
  1.3585 +	map[3].mask		= 0x7FFF;
  1.3586 +	map[4].address	= ioMem;
  1.3587 +	map[4].mask		= 0x3FF;
  1.3588 +	map[5].address	= paletteRAM;
  1.3589 +	map[5].mask		= 0x3FF;
  1.3590 +	map[6].address	= vram;
  1.3591 +	map[6].mask		= 0x1FFFF;
  1.3592 +	map[7].address	= oam;
  1.3593 +	map[7].mask		= 0x3FF;
  1.3594 +	map[8].address	= rom;
  1.3595 +	map[8].mask		= 0x1FFFFFF;
  1.3596 +	map[9].address	= rom;
  1.3597 +	map[9].mask		= 0x1FFFFFF;
  1.3598 +	map[10].address = rom;
  1.3599 +	map[10].mask	= 0x1FFFFFF;
  1.3600 +	map[12].address = rom;
  1.3601 +	map[12].mask	= 0x1FFFFFF;
  1.3602 +	map[14].address = flashSaveMemory;
  1.3603 +	map[14].mask	= 0xFFFF;
  1.3604 +
  1.3605 +	eepromReset();
  1.3606 +	flashReset();
  1.3607 +
  1.3608 +	soundReset();
  1.3609 +
  1.3610 +	CPUUpdateWindow0();
  1.3611 +	CPUUpdateWindow1();
  1.3612 +
  1.3613 +	// make sure registers are correctly initialized if not using BIOS
  1.3614 +	if (!useBios)
  1.3615 +	{
  1.3616 +		if (cpuIsMultiBoot)
  1.3617 +			BIOS_RegisterRamReset(0xfe);
  1.3618 +		else
  1.3619 +			BIOS_RegisterRamReset(0xff);
  1.3620 +	}
  1.3621 +	else
  1.3622 +	{
  1.3623 +		if (cpuIsMultiBoot)
  1.3624 +			BIOS_RegisterRamReset(0xfe);
  1.3625 +	}
  1.3626 +
  1.3627 +	switch (cpuSaveType)
  1.3628 +	{
  1.3629 +	case 0: // automatic
  1.3630 +		cpuSramEnabled		   = true;
  1.3631 +		cpuFlashEnabled		   = true;
  1.3632 +		cpuEEPROMEnabled	   = true;
  1.3633 +		cpuEEPROMSensorEnabled = false;
  1.3634 +		break;
  1.3635 +	case 1: // EEPROM
  1.3636 +		cpuSramEnabled		   = false;
  1.3637 +		cpuFlashEnabled		   = false;
  1.3638 +		cpuEEPROMEnabled	   = true;
  1.3639 +		cpuEEPROMSensorEnabled = false;
  1.3640 +		break;
  1.3641 +	case 2: // SRAM
  1.3642 +		cpuSramEnabled		   = true;
  1.3643 +		cpuFlashEnabled		   = false;
  1.3644 +		cpuEEPROMEnabled	   = false;
  1.3645 +		cpuEEPROMSensorEnabled = false;
  1.3646 +		cpuSaveGameFunc		   = sramWrite;
  1.3647 +		break;
  1.3648 +	case 3: // FLASH
  1.3649 +		cpuSramEnabled		   = false;
  1.3650 +		cpuFlashEnabled		   = true;
  1.3651 +		cpuEEPROMEnabled	   = false;
  1.3652 +		cpuEEPROMSensorEnabled = false;
  1.3653 +		cpuSaveGameFunc		   = flashWrite;
  1.3654 +		break;
  1.3655 +	case 4: // EEPROM+Sensor
  1.3656 +		cpuSramEnabled		   = false;
  1.3657 +		cpuFlashEnabled		   = false;
  1.3658 +		cpuEEPROMEnabled	   = true;
  1.3659 +		cpuEEPROMSensorEnabled = true;
  1.3660 +		break;
  1.3661 +	case 5: // NONE
  1.3662 +		cpuSramEnabled		   = false;
  1.3663 +		cpuFlashEnabled		   = false;
  1.3664 +		cpuEEPROMEnabled	   = false;
  1.3665 +		cpuEEPROMSensorEnabled = false;
  1.3666 +		break;
  1.3667 +	}
  1.3668 +
  1.3669 +	systemResetSensor();
  1.3670 +
  1.3671 +	systemSaveUpdateCounter = SYSTEM_SAVE_NOT_UPDATED;
  1.3672 +
  1.3673 +	gbaLastTime	  = systemGetClock();
  1.3674 +	gbaFrameCount = 0;
  1.3675 +
  1.3676 +	systemRefreshScreen();
  1.3677 +}
  1.3678 +
  1.3679 +void CPUInterrupt()
  1.3680 +{
  1.3681 +	u32	 PC			= reg[15].I;
  1.3682 +	bool savedState = armState;
  1.3683 +	CPUSwitchMode(0x12, true, false);
  1.3684 +	reg[14].I = PC;
  1.3685 +	if (!savedState)
  1.3686 +		reg[14].I += 2;
  1.3687 +	reg[15].I	 = 0x18;
  1.3688 +	armState	 = true;
  1.3689 +	armIrqEnable = false;
  1.3690 +
  1.3691 +	armNextPC  = reg[15].I;
  1.3692 +	reg[15].I += 4;
  1.3693 +
  1.3694 +	//  if(!holdState)
  1.3695 +	biosProtected[0] = 0x02;
  1.3696 +	biosProtected[1] = 0xc0;
  1.3697 +	biosProtected[2] = 0x5e;
  1.3698 +	biosProtected[3] = 0xe5;
  1.3699 +}
  1.3700 +
  1.3701 +void TogglePrefetchHack()
  1.3702 +{
  1.3703 +	memLagTempEnabled = !memLagTempEnabled;
  1.3704 +
  1.3705 +	if (emulating)
  1.3706 +	{
  1.3707 +		extern bool8 prefetchActive, prefetchPrevActive, prefetchApplies;
  1.3708 +		if (prefetchApplies && prefetchActive == memLagTempEnabled)
  1.3709 +		{
  1.3710 +			prefetchActive = !prefetchActive;
  1.3711 +			//if(prefetchActive && !prefetchPrevActive) systemScreenMessage("pre-fetch enabled",3,600);
  1.3712 +			//if(!prefetchActive && prefetchPrevActive) systemScreenMessage("pre-fetch disabled",3,600);
  1.3713 +			extern int32 memoryWaitFetch [16];
  1.3714 +			if (prefetchActive)
  1.3715 +				memoryWaitFetch[8]--;
  1.3716 +			else
  1.3717 +				memoryWaitFetch[8]++;
  1.3718 +			prefetchPrevActive = prefetchActive;
  1.3719 +		}
  1.3720 +	}
  1.3721 +}
  1.3722 +
  1.3723 +void SetPrefetchHack(bool set)
  1.3724 +{
  1.3725 +	if ((bool)memLagTempEnabled == set)
  1.3726 +		TogglePrefetchHack();
  1.3727 +}
  1.3728 +
  1.3729 +#ifdef SDL
  1.3730 +void log(const char *defaultMsg, ...)
  1.3731 +{
  1.3732 +	char	buffer[2048];
  1.3733 +	va_list valist;
  1.3734 +
  1.3735 +	va_start(valist, defaultMsg);
  1.3736 +	vsprintf(buffer, defaultMsg, valist);
  1.3737 +
  1.3738 +	if (out == NULL)
  1.3739 +	{
  1.3740 +		out = fopen("trace.log", "w");
  1.3741 +	}
  1.3742 +
  1.3743 +	fputs(buffer, out);
  1.3744 +
  1.3745 +	va_end(valist);
  1.3746 +}
  1.3747 +
  1.3748 +#else
  1.3749 +extern void winlog(const char *, ...);
  1.3750 +#endif
  1.3751 +
  1.3752 +void CPULoop(int _ticks)
  1.3753 +{
  1.3754 +	int32 ticks = _ticks;
  1.3755 +	int32 clockTicks;
  1.3756 +	int32 cpuLoopTicks	= 0;
  1.3757 +	int32 timerOverflow = 0;
  1.3758 +	// variables used by the CPU core
  1.3759 +
  1.3760 +	extCpuLoopTicks = &cpuLoopTicks;
  1.3761 +	extClockTicks	= &clockTicks;
  1.3762 +	extTicks		= &ticks;
  1.3763 +
  1.3764 +	cpuLoopTicks = CPUUpdateTicks();
  1.3765 +	if (cpuLoopTicks > ticks)
  1.3766 +	{
  1.3767 +		cpuLoopTicks  = ticks;
  1.3768 +		cpuSavedTicks = ticks;
  1.3769 +	}
  1.3770 +
  1.3771 +	if (intState)
  1.3772 +	{
  1.3773 +		cpuLoopTicks  = 5;
  1.3774 +		cpuSavedTicks = 5;
  1.3775 +	}
  1.3776 +
  1.3777 +	if (newFrame)
  1.3778 +	{
  1.3779 +		extern void VBAOnExitingFrameBoundary();
  1.3780 +		VBAOnExitingFrameBoundary();
  1.3781 +
  1.3782 +		// update joystick information
  1.3783 +		systemReadJoypads();
  1.3784 +
  1.3785 +		u32 joy = systemGetJoypad(0, cpuEEPROMSensorEnabled);
  1.3786 +
  1.3787 +//		if (cpuEEPROMSensorEnabled)
  1.3788 +//			systemUpdateMotionSensor(0);
  1.3789 +
  1.3790 +		P1 = 0x03FF ^ (joy & 0x3FF);
  1.3791 +		UPDATE_REG(0x130, P1);
  1.3792 +		u16 P1CNT = READ16LE(((u16 *)&ioMem[0x132]));
  1.3793 +		// this seems wrong, but there are cases where the game
  1.3794 +		// can enter the stop state without requesting an IRQ from
  1.3795 +		// the joypad.
  1.3796 +		if ((P1CNT & 0x4000) || stopState)
  1.3797 +		{
  1.3798 +			u16 p1 = (0x3FF ^ P1) & 0x3FF;
  1.3799 +			if (P1CNT & 0x8000)
  1.3800 +			{
  1.3801 +				if (p1 == (P1CNT & 0x3FF))
  1.3802 +				{
  1.3803 +					IF |= 0x1000;
  1.3804 +					UPDATE_REG(0x202, IF);
  1.3805 +				}
  1.3806 +			}
  1.3807 +			else
  1.3808 +			{
  1.3809 +				if (p1 & P1CNT)
  1.3810 +				{
  1.3811 +					IF |= 0x1000;
  1.3812 +					UPDATE_REG(0x202, IF);
  1.3813 +				}
  1.3814 +			}
  1.3815 +		}
  1.3816 +
  1.3817 +		// HACK: some special "buttons"
  1.3818 +		extButtons = (joy >> 18);
  1.3819 +		speedup	   = (extButtons & 1) != 0;
  1.3820 +
  1.3821 +		VBAMovieResetIfRequested();
  1.3822 +
  1.3823 +		CallRegisteredLuaFunctions(LUACALL_BEFOREEMULATION);
  1.3824 +
  1.3825 +		newFrame = false;
  1.3826 +	}
  1.3827 +
  1.3828 +	for (;; )
  1.3829 +	{
  1.3830 +#ifndef FINAL_VERSION
  1.3831 +		if (systemDebug)
  1.3832 +		{
  1.3833 +			if (systemDebug >= 10 && !holdState)
  1.3834 +			{
  1.3835 +				CPUUpdateCPSR();
  1.3836 +				sprintf(
  1.3837 +				    buffer,
  1.3838 +				    "R00=%08x R01=%08x R02=%08x R03=%08x R04=%08x R05=%08x R06=%08x R07=%08x R08=%08x"
  1.3839 +				    "R09=%08x R10=%08x R11=%08x R12=%08x R13=%08x R14=%08x R15=%08x R16=%08x R17=%08x\n",
  1.3840 +				    reg[0].I,
  1.3841 +				    reg[1].I,
  1.3842 +				    reg[2].I,
  1.3843 +				    reg[3].I,
  1.3844 +				    reg[4].I,
  1.3845 +				    reg[5].I,
  1.3846 +				    reg[6].I,
  1.3847 +				    reg[7].I,
  1.3848 +				    reg[8].I,
  1.3849 +				    reg[9].I,
  1.3850 +				    reg[10].I,
  1.3851 +				    reg[11].I,
  1.3852 +				    reg[12].I,
  1.3853 +				    reg[13].I,
  1.3854 +				    reg[14].I,
  1.3855 +				    reg[15].I,
  1.3856 +				    reg[16].I,
  1.3857 +				    reg[17].I);
  1.3858 +#ifdef SDL
  1.3859 +				log(buffer);
  1.3860 +#else
  1.3861 +				winlog(buffer);
  1.3862 +#endif
  1.3863 +			}
  1.3864 +			else if (!holdState)
  1.3865 +			{
  1.3866 +				sprintf(buffer, "PC=%08x\n", armNextPC);
  1.3867 +#ifdef SDL
  1.3868 +				log(buffer);
  1.3869 +#else
  1.3870 +				winlog(buffer);
  1.3871 +#endif
  1.3872 +			}
  1.3873 +		}
  1.3874 +#endif
  1.3875 +
  1.3876 +		if (!holdState)
  1.3877 +		{
  1.3878 +			if (armState)
  1.3879 +			{
  1.3880 +				CallRegisteredLuaMemHook(armNextPC, 4, CPUReadMemoryQuick(armNextPC), LUAMEMHOOK_EXEC);
  1.3881 +#include "arm-new.h"
  1.3882 +			}
  1.3883 +			else
  1.3884 +			{
  1.3885 +				CallRegisteredLuaMemHook(armNextPC, 2, CPUReadHalfWordQuick(armNextPC), LUAMEMHOOK_EXEC);
  1.3886 +#include "thumb.h"
  1.3887 +			}
  1.3888 +		}
  1.3889 +		else
  1.3890 +		{
  1.3891 +			clockTicks = lcdTicks;
  1.3892 +
  1.3893 +			if (soundTicks < clockTicks)
  1.3894 +				clockTicks = soundTicks;
  1.3895 +
  1.3896 +			if (timer0On && (timer0Ticks < clockTicks))
  1.3897 +			{
  1.3898 +				clockTicks = timer0Ticks;
  1.3899 +			}
  1.3900 +			if (timer1On && (timer1Ticks < clockTicks))
  1.3901 +			{
  1.3902 +				clockTicks = timer1Ticks;
  1.3903 +			}
  1.3904 +			if (timer2On && (timer2Ticks < clockTicks))
  1.3905 +			{
  1.3906 +				clockTicks = timer2Ticks;
  1.3907 +			}
  1.3908 +			if (timer3On && (timer3Ticks < clockTicks))
  1.3909 +			{
  1.3910 +				clockTicks = timer3Ticks;
  1.3911 +			}
  1.3912 +#ifdef PROFILING
  1.3913 +			if (profilingTicksReload != 0)
  1.3914 +			{
  1.3915 +				if (profilingTicks < clockTicks)
  1.3916 +				{
  1.3917 +					clockTicks = profilingTicks;
  1.3918 +				}
  1.3919 +			}
  1.3920 +#endif
  1.3921 +		}
  1.3922 +
  1.3923 +		cpuLoopTicks -= clockTicks;
  1.3924 +		if ((cpuLoopTicks <= 0))
  1.3925 +		{
  1.3926 +			if (cpuSavedTicks)
  1.3927 +			{
  1.3928 +				clockTicks = cpuSavedTicks; // + cpuLoopTicks;
  1.3929 +			}
  1.3930 +			cpuDmaTicksToUpdate = -cpuLoopTicks;
  1.3931 +
  1.3932 +updateLoop:
  1.3933 +			lcdTicks -= clockTicks;
  1.3934 +
  1.3935 +			if (lcdTicks <= 0)
  1.3936 +			{
  1.3937 +				if (DISPSTAT & 1) // V-BLANK
  1.3938 +				{ // if in V-Blank mode, keep computing...
  1.3939 +					if (DISPSTAT & 2)
  1.3940 +					{
  1.3941 +						lcdTicks += 960;
  1.3942 +						VCOUNT++;
  1.3943 +						UPDATE_REG(0x06, VCOUNT);
  1.3944 +						DISPSTAT &= 0xFFFD;
  1.3945 +						UPDATE_REG(0x04, DISPSTAT);
  1.3946 +						CPUCompareVCOUNT();
  1.3947 +					}
  1.3948 +					else
  1.3949 +					{
  1.3950 +						lcdTicks += 272;
  1.3951 +						DISPSTAT |= 2;
  1.3952 +						UPDATE_REG(0x04, DISPSTAT);
  1.3953 +						if (DISPSTAT & 16)
  1.3954 +						{
  1.3955 +							IF |= 2;
  1.3956 +							UPDATE_REG(0x202, IF);
  1.3957 +						}
  1.3958 +					}
  1.3959 +
  1.3960 +					if (VCOUNT >= 228)
  1.3961 +					{
  1.3962 +						DISPSTAT &= 0xFFFC;
  1.3963 +						UPDATE_REG(0x04, DISPSTAT);
  1.3964 +						VCOUNT = 0;
  1.3965 +						UPDATE_REG(0x06, VCOUNT);
  1.3966 +						CPUCompareVCOUNT();
  1.3967 +					}
  1.3968 +				}
  1.3969 +				else
  1.3970 +				{
  1.3971 +					int framesToSkip = systemFramesToSkip();
  1.3972 +
  1.3973 +					if (DISPSTAT & 2)
  1.3974 +					{
  1.3975 +						// if in H-Blank, leave it and move to drawing mode
  1.3976 +						VCOUNT++;
  1.3977 +						UPDATE_REG(0x06, VCOUNT);
  1.3978 +
  1.3979 +						lcdTicks += 960;
  1.3980 +						DISPSTAT &= 0xFFFD;
  1.3981 +						if (VCOUNT == 160)
  1.3982 +						{
  1.3983 +							DISPSTAT |= 1;
  1.3984 +							DISPSTAT &= 0xFFFD;
  1.3985 +							UPDATE_REG(0x04, DISPSTAT);
  1.3986 +							if (DISPSTAT & 0x0008)
  1.3987 +							{
  1.3988 +								IF |= 1;
  1.3989 +								UPDATE_REG(0x202, IF);
  1.3990 +							}
  1.3991 +							CPUCheckDMA(1, 0x0f);
  1.3992 +
  1.3993 +							systemFrame();
  1.3994 +
  1.3995 +							++gbaFrameCount;
  1.3996 +							u32 gbaCurrentTime = systemGetClock();
  1.3997 +							if (gbaCurrentTime - gbaLastTime >= 1000)
  1.3998 +							{
  1.3999 +								systemShowSpeed(int(float(gbaFrameCount) * 100000 / (float(gbaCurrentTime - gbaLastTime) * 60) + .5f));
  1.4000 +								gbaLastTime	  = gbaCurrentTime;
  1.4001 +								gbaFrameCount = 0;
  1.4002 +							}
  1.4003 +
  1.4004 +							++GBASystemCounters.frameCount;
  1.4005 +							if (GBASystemCounters.lagged)
  1.4006 +							{
  1.4007 +								++GBASystemCounters.lagCount;
  1.4008 +							}
  1.4009 +							GBASystemCounters.laggedLast = GBASystemCounters.lagged;
  1.4010 +							GBASystemCounters.lagged	 = true;
  1.4011 +
  1.4012 +							if (cheatsEnabled)
  1.4013 +								cheatsCheckKeys(P1 ^ 0x3FF, extButtons);
  1.4014 +
  1.4015 +							extern void VBAOnEnteringFrameBoundary();
  1.4016 +							VBAOnEnteringFrameBoundary();
  1.4017 +
  1.4018 +							newFrame = true;
  1.4019 +
  1.4020 +							pauseAfterFrameAdvance = systemPauseOnFrame();
  1.4021 +
  1.4022 +							if (frameSkipCount >= framesToSkip || pauseAfterFrameAdvance)
  1.4023 +							{
  1.4024 +								systemRenderFrame();
  1.4025 +								frameSkipCount = 0;
  1.4026 +
  1.4027 +								bool capturePressed = (extButtons & 2) != 0;
  1.4028 +								if (capturePressed && !capturePrevious)
  1.4029 +								{
  1.4030 +									captureNumber = systemScreenCapture(captureNumber);
  1.4031 +								}
  1.4032 +								capturePrevious = capturePressed && !pauseAfterFrameAdvance;
  1.4033 +							}
  1.4034 +							else
  1.4035 +							{
  1.4036 +								++frameSkipCount;
  1.4037 +							}
  1.4038 +
  1.4039 +							if (pauseAfterFrameAdvance)
  1.4040 +							{
  1.4041 +								systemSetPause(true);
  1.4042 +							}
  1.4043 +						}
  1.4044 +
  1.4045 +						UPDATE_REG(0x04, DISPSTAT);
  1.4046 +						CPUCompareVCOUNT();
  1.4047 +					}
  1.4048 +					else
  1.4049 +					{
  1.4050 +						if (frameSkipCount >= framesToSkip || pauseAfterFrameAdvance)
  1.4051 +						{
  1.4052 +							(*renderLine)();
  1.4053 +
  1.4054 +							switch (systemColorDepth)
  1.4055 +							{
  1.4056 +							case 16:
  1.4057 +							{
  1.4058 +								u16 *dest = (u16 *)pix + 242 * (VCOUNT + 1);
  1.4059 +								for (int x = 0; x < 240; )
  1.4060 +								{
  1.4061 +									*dest++ = systemColorMap16[lineMix[x++] & 0xFFFF];
  1.4062 +									*dest++ = systemColorMap16[lineMix[x++] & 0xFFFF];
  1.4063 +									*dest++ = systemColorMap16[lineMix[x++] & 0xFFFF];
  1.4064 +									*dest++ = systemColorMap16[lineMix[x++] & 0xFFFF];
  1.4065 +
  1.4066 +									*dest++ = systemColorMap16[lineMix[x++] & 0xFFFF];
  1.4067 +									*dest++ = systemColorMap16[lineMix[x++] & 0xFFFF];
  1.4068 +									*dest++ = systemColorMap16[lineMix[x++] & 0xFFFF];
  1.4069 +									*dest++ = systemColorMap16[lineMix[x++] & 0xFFFF];
  1.4070 +
  1.4071 +									*dest++ = systemColorMap16[lineMix[x++] & 0xFFFF];
  1.4072 +									*dest++ = systemColorMap16[lineMix[x++] & 0xFFFF];
  1.4073 +									*dest++ = systemColorMap16[lineMix[x++] & 0xFFFF];
  1.4074 +									*dest++ = systemColorMap16[lineMix[x++] & 0xFFFF];
  1.4075 +
  1.4076 +									*dest++ = systemColorMap16[lineMix[x++] & 0xFFFF];
  1.4077 +									*dest++ = systemColorMap16[lineMix[x++] & 0xFFFF];
  1.4078 +									*dest++ = systemColorMap16[lineMix[x++] & 0xFFFF];
  1.4079 +									*dest++ = systemColorMap16[lineMix[x++] & 0xFFFF];
  1.4080 +								}
  1.4081 +								// for filters that read past the screen
  1.4082 +								*dest++ = 0;
  1.4083 +								break;
  1.4084 +							}
  1.4085 +							case 24:
  1.4086 +							{
  1.4087 +								u8 *dest = (u8 *)pix + 240 * VCOUNT * 3;
  1.4088 +								for (int x = 0; x < 240; )
  1.4089 +								{
  1.4090 +									*((u32 *)dest) = systemColorMap32[lineMix[x++] & 0xFFFF];
  1.4091 +									dest += 3;
  1.4092 +									*((u32 *)dest) = systemColorMap32[lineMix[x++] & 0xFFFF];
  1.4093 +									dest += 3;
  1.4094 +									*((u32 *)dest) = systemColorMap32[lineMix[x++] & 0xFFFF];
  1.4095 +									dest += 3;
  1.4096 +									*((u32 *)dest) = systemColorMap32[lineMix[x++] & 0xFFFF];
  1.4097 +									dest += 3;
  1.4098 +
  1.4099 +									*((u32 *)dest) = systemColorMap32[lineMix[x++] & 0xFFFF];
  1.4100 +									dest += 3;
  1.4101 +									*((u32 *)dest) = systemColorMap32[lineMix[x++] & 0xFFFF];
  1.4102 +									dest += 3;
  1.4103 +									*((u32 *)dest) = systemColorMap32[lineMix[x++] & 0xFFFF];
  1.4104 +									dest += 3;
  1.4105 +									*((u32 *)dest) = systemColorMap32[lineMix[x++] & 0xFFFF];
  1.4106 +									dest += 3;
  1.4107 +
  1.4108 +									*((u32 *)dest) = systemColorMap32[lineMix[x++] & 0xFFFF];
  1.4109 +									dest += 3;
  1.4110 +									*((u32 *)dest) = systemColorMap32[lineMix[x++] & 0xFFFF];
  1.4111 +									dest += 3;
  1.4112 +									*((u32 *)dest) = systemColorMap32[lineMix[x++] & 0xFFFF];
  1.4113 +									dest += 3;
  1.4114 +									*((u32 *)dest) = systemColorMap32[lineMix[x++] & 0xFFFF];
  1.4115 +									dest += 3;
  1.4116 +
  1.4117 +									*((u32 *)dest) = systemColorMap32[lineMix[x++] & 0xFFFF];
  1.4118 +									dest += 3;
  1.4119 +									*((u32 *)dest) = systemColorMap32[lineMix[x++] & 0xFFFF];
  1.4120 +									dest += 3;
  1.4121 +									*((u32 *)dest) = systemColorMap32[lineMix[x++] & 0xFFFF];
  1.4122 +									dest += 3;
  1.4123 +									*((u32 *)dest) = systemColorMap32[lineMix[x++] & 0xFFFF];
  1.4124 +									dest += 3;
  1.4125 +								}
  1.4126 +								break;
  1.4127 +							}
  1.4128 +							case 32:
  1.4129 +							{
  1.4130 +								u32 *dest = (u32 *)pix + 241 * (VCOUNT + 1);
  1.4131 +								for (int x = 0; x < 240; )
  1.4132 +								{
  1.4133 +									*dest++ = systemColorMap32[lineMix[x++] & 0xFFFF];
  1.4134 +									*dest++ = systemColorMap32[lineMix[x++] & 0xFFFF];
  1.4135 +									*dest++ = systemColorMap32[lineMix[x++] & 0xFFFF];
  1.4136 +									*dest++ = systemColorMap32[lineMix[x++] & 0xFFFF];
  1.4137 +
  1.4138 +									*dest++ = systemColorMap32[lineMix[x++] & 0xFFFF];
  1.4139 +									*dest++ = systemColorMap32[lineMix[x++] & 0xFFFF];
  1.4140 +									*dest++ = systemColorMap32[lineMix[x++] & 0xFFFF];
  1.4141 +									*dest++ = systemColorMap32[lineMix[x++] & 0xFFFF];
  1.4142 +
  1.4143 +									*dest++ = systemColorMap32[lineMix[x++] & 0xFFFF];
  1.4144 +									*dest++ = systemColorMap32[lineMix[x++] & 0xFFFF];
  1.4145 +									*dest++ = systemColorMap32[lineMix[x++] & 0xFFFF];
  1.4146 +									*dest++ = systemColorMap32[lineMix[x++] & 0xFFFF];
  1.4147 +
  1.4148 +									*dest++ = systemColorMap32[lineMix[x++] & 0xFFFF];
  1.4149 +									*dest++ = systemColorMap32[lineMix[x++] & 0xFFFF];
  1.4150 +									*dest++ = systemColorMap32[lineMix[x++] & 0xFFFF];
  1.4151 +									*dest++ = systemColorMap32[lineMix[x++] & 0xFFFF];
  1.4152 +								}
  1.4153 +								break;
  1.4154 +							}
  1.4155 +							}
  1.4156 +						}
  1.4157 +						// entering H-Blank
  1.4158 +						DISPSTAT |= 2;
  1.4159 +						UPDATE_REG(0x04, DISPSTAT);
  1.4160 +						lcdTicks += 272;
  1.4161 +						CPUCheckDMA(2, 0x0f);
  1.4162 +						if (DISPSTAT & 16)
  1.4163 +						{
  1.4164 +							IF |= 2;
  1.4165 +							UPDATE_REG(0x202, IF);
  1.4166 +						}
  1.4167 +					}
  1.4168 +				}
  1.4169 +			}
  1.4170 +
  1.4171 +			if (!stopState)
  1.4172 +			{
  1.4173 +				if (timer0On)
  1.4174 +				{
  1.4175 +					if (timer0ClockReload == 1)
  1.4176 +					{
  1.4177 +						u32 tm0d = TM0D + clockTicks;
  1.4178 +						if (tm0d > 0xffff)
  1.4179 +						{
  1.4180 +							tm0d += timer0Reload;
  1.4181 +							timerOverflow |= 1;
  1.4182 +							soundTimerOverflow(0);
  1.4183 +							if (TM0CNT & 0x40)
  1.4184 +							{
  1.4185 +								IF |= 0x08;
  1.4186 +								UPDATE_REG(0x202, IF);
  1.4187 +							}
  1.4188 +						}
  1.4189 +						TM0D		= tm0d & 0xFFFF;
  1.4190 +						timer0Ticks = 0x10000 - TM0D;
  1.4191 +						UPDATE_REG(0x100, TM0D);
  1.4192 +					}
  1.4193 +					else
  1.4194 +					{
  1.4195 +						timer0Ticks -= clockTicks;
  1.4196 +						if (timer0Ticks <= 0)
  1.4197 +						{
  1.4198 +							timer0Ticks += timer0ClockReload;
  1.4199 +							TM0D++;
  1.4200 +							if (TM0D == 0)
  1.4201 +							{
  1.4202 +								TM0D = timer0Reload;
  1.4203 +								timerOverflow |= 1;
  1.4204 +								soundTimerOverflow(0);
  1.4205 +								if (TM0CNT & 0x40)
  1.4206 +								{
  1.4207 +									IF |= 0x08;
  1.4208 +									UPDATE_REG(0x202, IF);
  1.4209 +								}
  1.4210 +							}
  1.4211 +							UPDATE_REG(0x100, TM0D);
  1.4212 +						}
  1.4213 +					}
  1.4214 +				}
  1.4215 +
  1.4216 +				if (timer1On)
  1.4217 +				{
  1.4218 +					if (TM1CNT & 4)
  1.4219 +					{
  1.4220 +						if (timerOverflow & 1)
  1.4221 +						{
  1.4222 +							TM1D++;
  1.4223 +							if (TM1D == 0)
  1.4224 +							{
  1.4225 +								TM1D += timer1Reload;
  1.4226 +								timerOverflow |= 2;
  1.4227 +								soundTimerOverflow(1);
  1.4228 +								if (TM1CNT & 0x40)
  1.4229 +								{
  1.4230 +									IF |= 0x10;
  1.4231 +									UPDATE_REG(0x202, IF);
  1.4232 +								}
  1.4233 +							}
  1.4234 +							UPDATE_REG(0x104, TM1D);
  1.4235 +						}
  1.4236 +					}
  1.4237 +					else
  1.4238 +					{
  1.4239 +						if (timer1ClockReload == 1)
  1.4240 +						{
  1.4241 +							u32 tm1d = TM1D + clockTicks;
  1.4242 +							if (tm1d > 0xffff)
  1.4243 +							{
  1.4244 +								tm1d += timer1Reload;
  1.4245 +								timerOverflow |= 2;
  1.4246 +								soundTimerOverflow(1);
  1.4247 +								if (TM1CNT & 0x40)
  1.4248 +								{
  1.4249 +									IF |= 0x10;
  1.4250 +									UPDATE_REG(0x202, IF);
  1.4251 +								}
  1.4252 +							}
  1.4253 +							TM1D		= tm1d & 0xFFFF;
  1.4254 +							timer1Ticks = 0x10000 - TM1D;
  1.4255 +							UPDATE_REG(0x104, TM1D);
  1.4256 +						}
  1.4257 +						else
  1.4258 +						{
  1.4259 +							timer1Ticks -= clockTicks;
  1.4260 +							if (timer1Ticks <= 0)
  1.4261 +							{
  1.4262 +								timer1Ticks += timer1ClockReload;
  1.4263 +								TM1D++;
  1.4264 +
  1.4265 +								if (TM1D == 0)
  1.4266 +								{
  1.4267 +									TM1D = timer1Reload;
  1.4268 +									timerOverflow |= 2;
  1.4269 +									soundTimerOverflow(1);
  1.4270 +									if (TM1CNT & 0x40)
  1.4271 +									{
  1.4272 +										IF |= 0x10;
  1.4273 +										UPDATE_REG(0x202, IF);
  1.4274 +									}
  1.4275 +								}
  1.4276 +								UPDATE_REG(0x104, TM1D);
  1.4277 +							}
  1.4278 +						}
  1.4279 +					}
  1.4280 +				}
  1.4281 +
  1.4282 +				if (timer2On)
  1.4283 +				{
  1.4284 +					if (TM2CNT & 4)
  1.4285 +					{
  1.4286 +						if (timerOverflow & 2)
  1.4287 +						{
  1.4288 +							TM2D++;
  1.4289 +							if (TM2D == 0)
  1.4290 +							{
  1.4291 +								TM2D += timer2Reload;
  1.4292 +								timerOverflow |= 4;
  1.4293 +								if (TM2CNT & 0x40)
  1.4294 +								{
  1.4295 +									IF |= 0x20;
  1.4296 +									UPDATE_REG(0x202, IF);
  1.4297 +								}
  1.4298 +							}
  1.4299 +							UPDATE_REG(0x108, TM2D);
  1.4300 +						}
  1.4301 +					}
  1.4302 +					else
  1.4303 +					{
  1.4304 +						if (timer2ClockReload == 1)
  1.4305 +						{
  1.4306 +							u32 tm2d = TM2D + clockTicks;
  1.4307 +							if (tm2d > 0xffff)
  1.4308 +							{
  1.4309 +								tm2d += timer2Reload;
  1.4310 +								timerOverflow |= 4;
  1.4311 +								if (TM2CNT & 0x40)
  1.4312 +								{
  1.4313 +									IF |= 0x20;
  1.4314 +									UPDATE_REG(0x202, IF);
  1.4315 +								}
  1.4316 +							}
  1.4317 +							TM2D		= tm2d & 0xFFFF;
  1.4318 +							timer2Ticks = 0x10000 - TM2D;
  1.4319 +							UPDATE_REG(0x108, TM2D);
  1.4320 +						}
  1.4321 +						else
  1.4322 +						{
  1.4323 +							timer2Ticks -= clockTicks;
  1.4324 +							if (timer2Ticks <= 0)
  1.4325 +							{
  1.4326 +								timer2Ticks += timer2ClockReload;
  1.4327 +								TM2D++;
  1.4328 +
  1.4329 +								if (TM2D == 0)
  1.4330 +								{
  1.4331 +									TM2D = timer2Reload;
  1.4332 +									timerOverflow |= 4;
  1.4333 +									if (TM2CNT & 0x40)
  1.4334 +									{
  1.4335 +										IF |= 0x20;
  1.4336 +										UPDATE_REG(0x202, IF);
  1.4337 +									}
  1.4338 +								}
  1.4339 +								UPDATE_REG(0x108, TM2D);
  1.4340 +							}
  1.4341 +						}
  1.4342 +					}
  1.4343 +				}
  1.4344 +
  1.4345 +				if (timer3On)
  1.4346 +				{
  1.4347 +					if (TM3CNT & 4)
  1.4348 +					{
  1.4349 +						if (timerOverflow & 4)
  1.4350 +						{
  1.4351 +							TM3D++;
  1.4352 +							if (TM3D == 0)
  1.4353 +							{
  1.4354 +								TM3D += timer3Reload;
  1.4355 +								if (TM3CNT & 0x40)
  1.4356 +								{
  1.4357 +									IF |= 0x40;
  1.4358 +									UPDATE_REG(0x202, IF);
  1.4359 +								}
  1.4360 +							}
  1.4361 +							UPDATE_REG(0x10c, TM3D);
  1.4362 +						}
  1.4363 +					}
  1.4364 +					else
  1.4365 +					{
  1.4366 +						if (timer3ClockReload == 1)
  1.4367 +						{
  1.4368 +							u32 tm3d = TM3D + clockTicks;
  1.4369 +							if (tm3d > 0xffff)
  1.4370 +							{
  1.4371 +								tm3d += timer3Reload;
  1.4372 +								if (TM3CNT & 0x40)
  1.4373 +								{
  1.4374 +									IF |= 0x40;
  1.4375 +									UPDATE_REG(0x202, IF);
  1.4376 +								}
  1.4377 +							}
  1.4378 +							TM3D		= tm3d & 0xFFFF;
  1.4379 +							timer3Ticks = 0x10000 - TM3D;
  1.4380 +							UPDATE_REG(0x10C, TM3D);
  1.4381 +						}
  1.4382 +						else
  1.4383 +						{
  1.4384 +							timer3Ticks -= clockTicks;
  1.4385 +							if (timer3Ticks <= 0)
  1.4386 +							{
  1.4387 +								timer3Ticks += timer3ClockReload;
  1.4388 +								TM3D++;
  1.4389 +
  1.4390 +								if (TM3D == 0)
  1.4391 +								{
  1.4392 +									TM3D = timer3Reload;
  1.4393 +									if (TM3CNT & 0x40)
  1.4394 +									{
  1.4395 +										IF |= 0x40;
  1.4396 +										UPDATE_REG(0x202, IF);
  1.4397 +									}
  1.4398 +								}
  1.4399 +								UPDATE_REG(0x10C, TM3D);
  1.4400 +							}
  1.4401 +						}
  1.4402 +					}
  1.4403 +				}
  1.4404 +			}
  1.4405 +			// we shouldn't be doing sound in stop state, but we lose synchronization
  1.4406 +			// if sound is disabled, so in stop state, soundTick will just produce
  1.4407 +			// mute sound
  1.4408 +			soundTicks -= clockTicks;
  1.4409 +			if (soundTicks < 1)
  1.4410 +			{
  1.4411 +				soundTick();
  1.4412 +				soundTicks += SOUND_CLOCK_TICKS;
  1.4413 +			}
  1.4414 +			timerOverflow = 0;
  1.4415 +
  1.4416 +#ifdef PROFILING
  1.4417 +			profilingTicks -= clockTicks;
  1.4418 +			if (profilingTicks <= 0)
  1.4419 +			{
  1.4420 +				profilingTicks += profilingTicksReload;
  1.4421 +				if (profilBuffer && profilSize)
  1.4422 +				{
  1.4423 +					u16 *b	= (u16 *)profilBuffer;
  1.4424 +					int	 pc = ((reg[15].I - profilLowPC) * profilScale) / 0x10000;
  1.4425 +					if (pc >= 0 && pc < profilSize)
  1.4426 +					{
  1.4427 +						b[pc]++;
  1.4428 +					}
  1.4429 +				}
  1.4430 +			}
  1.4431 +#endif
  1.4432 +
  1.4433 +			ticks		-= clockTicks;
  1.4434 +			cpuLoopTicks = CPUUpdateTicks();
  1.4435 +
  1.4436 +			// FIXME: it is too bad that it is still not determined whether the loop can be exited at this point
  1.4437 +			if (cpuDmaTicksToUpdate > 0)
  1.4438 +			{
  1.4439 +				clockTicks = cpuSavedTicks;
  1.4440 +				if (clockTicks > cpuDmaTicksToUpdate)
  1.4441 +					clockTicks = cpuDmaTicksToUpdate;
  1.4442 +				cpuDmaTicksToUpdate -= clockTicks;
  1.4443 +				if (cpuDmaTicksToUpdate < 0)
  1.4444 +					cpuDmaTicksToUpdate = 0;
  1.4445 +				goto updateLoop;    // this is evil
  1.4446 +			}
  1.4447 +
  1.4448 +			if (IF && (IME & 1) && armIrqEnable)
  1.4449 +			{
  1.4450 +				int res = IF & IE;
  1.4451 +				if (stopState)
  1.4452 +					res &= 0x3080;
  1.4453 +				if (res)
  1.4454 +				{
  1.4455 +					if (intState)
  1.4456 +					{
  1.4457 +						CPUInterrupt();
  1.4458 +						intState = false;
  1.4459 +						if (holdState)
  1.4460 +						{
  1.4461 +							holdState = false;
  1.4462 +							stopState = false;
  1.4463 +						}
  1.4464 +					}
  1.4465 +					else
  1.4466 +					{
  1.4467 +						if (!holdState)
  1.4468 +						{
  1.4469 +							intState	  = true;
  1.4470 +							cpuLoopTicks  = 5;
  1.4471 +							cpuSavedTicks = 5;
  1.4472 +						}
  1.4473 +						else
  1.4474 +						{
  1.4475 +							CPUInterrupt();
  1.4476 +							if (holdState)
  1.4477 +							{
  1.4478 +								holdState = false;
  1.4479 +								stopState = false;
  1.4480 +							}
  1.4481 +						}
  1.4482 +					}
  1.4483 +				}
  1.4484 +			}
  1.4485 +
  1.4486 +			if (useOldFrameTiming)
  1.4487 +			{
  1.4488 +				if (ticks <= 0)
  1.4489 +				{
  1.4490 +					newFrame = true;
  1.4491 +					break;
  1.4492 +				}
  1.4493 +			}
  1.4494 +			else if (newFrame)
  1.4495 +			{
  1.4496 +				// FIXME: it should be enough to use frameBoundary only if there were no need for supporting the old timing
  1.4497 +				// but is there still any GBA .vbm that uses the old timing?
  1.4498 +///				extern void VBAOnEnteringFrameBoundary();
  1.4499 +///				VBAOnEnteringFrameBoundary();
  1.4500 +
  1.4501 +				break;
  1.4502 +			}
  1.4503 +		}
  1.4504 +	}
  1.4505 +}
  1.4506 +
  1.4507 +struct EmulatedSystem GBASystem =
  1.4508 +{
  1.4509 +	// emuMain
  1.4510 +	CPULoop,
  1.4511 +	// emuReset
  1.4512 +	CPUReset,
  1.4513 +	// emuCleanUp
  1.4514 +	CPUCleanUp,
  1.4515 +	// emuReadBattery
  1.4516 +	CPUReadBatteryFile,
  1.4517 +	// emuWriteBattery
  1.4518 +	CPUWriteBatteryFile,
  1.4519 +	// emuReadBatteryFromStream
  1.4520 +	CPUReadBatteryFromStream,
  1.4521 +	// emuWriteBatteryToStream
  1.4522 +	CPUWriteBatteryToStream,
  1.4523 +	// emuReadState
  1.4524 +	CPUReadState,
  1.4525 +	// emuWriteState
  1.4526 +	CPUWriteState,
  1.4527 +	// emuReadStateFromStream
  1.4528 +	CPUReadStateFromStream,
  1.4529 +	// emuWriteStateToStream
  1.4530 +	CPUWriteStateToStream,
  1.4531 +	// emuReadMemState
  1.4532 +	CPUReadMemState,
  1.4533 +	// emuWriteMemState
  1.4534 +	CPUWriteMemState,
  1.4535 +	// emuWritePNG
  1.4536 +	CPUWritePNGFile,
  1.4537 +	// emuWriteBMP
  1.4538 +	CPUWriteBMPFile,
  1.4539 +	// emuUpdateCPSR
  1.4540 +	CPUUpdateCPSR,
  1.4541 +	// emuHasDebugger
  1.4542 +	true,
  1.4543 +	// emuCount
  1.4544 +#ifdef FINAL_VERSION
  1.4545 +	250000,
  1.4546 +#else
  1.4547 +	5000,
  1.4548 +#endif
  1.4549 +};
  1.4550 +
  1.4551 +// is there a reason to use more than one set of counters?
  1.4552 +EmulatedSystemCounters &GBASystemCounters = systemCounters;
  1.4553 +
  1.4554 +/*
  1.4555 +   EmulatedSystemCounters GBASystemCounters =
  1.4556 +   {
  1.4557 +    // frameCount
  1.4558 +    0,
  1.4559 +    // lagCount
  1.4560 +    0,
  1.4561 +    // lagged
  1.4562 +    true,
  1.4563 +    // laggedLast
  1.4564 +    true,
  1.4565 +   };
  1.4566 + */
  1.4567 +
  1.4568 +
  1.4569 +#undef CPU_BREAK_LOOP
  1.4570 +#undef CPU_BREAK_LOOP2