vba-clojure: src/gba/GBA.cpp annotate

annotate src/gba/GBA.cpp @ 551:b69a3dba8045

condensed gameboy program into a contigous sequence of bytes.

author	Robert McIntyre <rlm@mit.edu>
date	Thu, 30 Aug 2012 11:19:52 -0500
parents	1ff2c546f5ad
children

rev	line source
rlm@1	1 #include <cstdio>
rlm@1	2 #include <cstdlib>
rlm@1	3 #include <cstdarg>
rlm@1	4 #include <cstring>
rlm@1	5
rlm@1	6 #include "../Port.h"
rlm@1	7 #include "../NLS.h"
rlm@1	8 #include "GBA.h"
rlm@1	9 //#include "GBAGlobals.h"
rlm@1	10 #include "GBACheats.h" // FIXME: SDL requires this included before "GBAinline.h"
rlm@1	11 #include "GBAinline.h"
rlm@1	12 #include "GBAGfx.h"
rlm@1	13 #include "GBASound.h"
rlm@1	14 #include "EEprom.h"
rlm@1	15 #include "Flash.h"
rlm@1	16 #include "Sram.h"
rlm@1	17 #include "bios.h"
rlm@1	18 #include "elf.h"
rlm@1	19 #include "agbprint.h"
rlm@1	20 #include "../common/unzip.h"
rlm@1	21 #include "../common/Util.h"
rlm@1	22 #include "../common/movie.h"
rlm@1	23 #include "../common/vbalua.h"
rlm@1	24
rlm@1	25 #ifdef PROFILING
rlm@1	26 #include "../prof/prof.h"
rlm@1	27 #endif
rlm@1	28
rlm@1	29 #define UPDATE_REG(address, value) WRITE16LE(((u16 *)&ioMem[address]), value)
rlm@1	30
rlm@1	31 #ifdef __GNUC__
rlm@1	32 #define _stricmp strcasecmp
rlm@1	33 #endif
rlm@1	34
rlm@1	35 #define CPU_BREAK_LOOP \
rlm@1	36 cpuSavedTicks = cpuSavedTicks - *extCpuLoopTicks; \
rlm@1	37 extCpuLoopTicks = extClockTicks;
rlm@1	38
rlm@1	39 #define CPU_BREAK_LOOP_2 \
rlm@1	40 cpuSavedTicks = cpuSavedTicks - *extCpuLoopTicks; \
rlm@1	41 extCpuLoopTicks = extClockTicks; \
rlm@1	42 extTicks = extClockTicks;
rlm@1	43
rlm@1	44 int32 cpuDmaTicksToUpdate = 0;
rlm@1	45 int32 cpuDmaCount = 0;
rlm@1	46 bool8 cpuDmaHack = 0;
rlm@1	47 u32 cpuDmaLast = 0;
rlm@1	48 int32 dummyAddress = 0;
rlm@1	49
rlm@1	50 int32 *extCpuLoopTicks = NULL;
rlm@1	51 int32 *extClockTicks = NULL;
rlm@1	52 int32 *extTicks = NULL;
rlm@1	53
rlm@1	54 #if (defined(WIN32) && !defined(SDL))
rlm@1	55 HANDLE mapROM; // shared memory handles
rlm@1	56 HANDLE mapWORKRAM;
rlm@1	57 HANDLE mapBIOS;
rlm@1	58 HANDLE mapIRAM;
rlm@1	59 HANDLE mapPALETTERAM;
rlm@1	60 HANDLE mapVRAM;
rlm@1	61 HANDLE mapOAM;
rlm@1	62 HANDLE mapPIX;
rlm@1	63 HANDLE mapIOMEM;
rlm@1	64 #endif
rlm@1	65
rlm@1	66 int32 gbaSaveType = 0; // used to remember the save type on reset
rlm@1	67 bool8 intState = false;
rlm@1	68 bool8 stopState = false;
rlm@1	69 bool8 holdState = false;
rlm@1	70 int32 holdType = 0;
rlm@1	71 bool8 cpuSramEnabled = true;
rlm@1	72 bool8 cpuFlashEnabled = true;
rlm@1	73 bool8 cpuEEPROMEnabled = true;
rlm@1	74 bool8 cpuEEPROMSensorEnabled = false;
rlm@1	75
rlm@1	76 #ifdef PROFILING
rlm@1	77 int profilingTicks = 0;
rlm@1	78 int profilingTicksReload = 0;
rlm@1	79 static char *profilBuffer = NULL;
rlm@1	80 static int profilSize = 0;
rlm@1	81 static u32 profilLowPC = 0;
rlm@1	82 static int profilScale = 0;
rlm@1	83 #endif
rlm@1	84 bool8 freezeWorkRAM[0x40000];
rlm@1	85 bool8 freezeInternalRAM[0x8000];
rlm@1	86 int32 lcdTicks = 960;
rlm@1	87 bool8 timer0On = false;
rlm@1	88 int32 timer0Ticks = 0;
rlm@1	89 int32 timer0Reload = 0;
rlm@1	90 int32 timer0ClockReload = 0;
rlm@1	91 bool8 timer1On = false;
rlm@1	92 int32 timer1Ticks = 0;
rlm@1	93 int32 timer1Reload = 0;
rlm@1	94 int32 timer1ClockReload = 0;
rlm@1	95 bool8 timer2On = false;
rlm@1	96 int32 timer2Ticks = 0;
rlm@1	97 int32 timer2Reload = 0;
rlm@1	98 int32 timer2ClockReload = 0;
rlm@1	99 bool8 timer3On = false;
rlm@1	100 int32 timer3Ticks = 0;
rlm@1	101 int32 timer3Reload = 0;
rlm@1	102 int32 timer3ClockReload = 0;
rlm@1	103 u32 dma0Source = 0;
rlm@1	104 u32 dma0Dest = 0;
rlm@1	105 u32 dma1Source = 0;
rlm@1	106 u32 dma1Dest = 0;
rlm@1	107 u32 dma2Source = 0;
rlm@1	108 u32 dma2Dest = 0;
rlm@1	109 u32 dma3Source = 0;
rlm@1	110 u32 dma3Dest = 0;
rlm@1	111 void (*cpuSaveGameFunc)(u32, u8) = flashSaveDecide;
rlm@1	112 void (*renderLine)() = mode0RenderLine;
rlm@1	113 bool8 fxOn = false;
rlm@1	114 bool8 windowOn = false;
rlm@1	115 int32 frameSkipCount = 0;
rlm@1	116 u32 gbaLastTime = 0;
rlm@1	117 int32 gbaFrameCount = 0;
rlm@1	118 bool8 prefetchActive = false, prefetchPrevActive = false, prefetchApplies = false;
rlm@1	119 char buffer[1024];
rlm@1	120 FILE *out = NULL;
rlm@1	121
rlm@1	122 static bool newFrame = true;
rlm@1	123 static bool pauseAfterFrameAdvance = false;
rlm@1	124
rlm@1	125 const int32 TIMER_TICKS[4] = {
rlm@1	126 1,
rlm@1	127 64,
rlm@1	128 256,
rlm@1	129 1024
rlm@1	130 };
rlm@1	131
rlm@1	132 const int32 thumbCycles[] = {
rlm@1	133 // 0 1 2 3 4 5 6 7 8 9 a b c d e f
rlm@1	134 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0
rlm@1	135 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 1
rlm@1	136 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 2
rlm@1	137 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 3
rlm@1	138 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3, 3, // 4
rlm@1	139 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, // 5
rlm@1	140 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, // 6
rlm@1	141 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, // 7
rlm@1	142 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, // 8
rlm@1	143 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, // 9
rlm@1	144 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, // a
rlm@1	145 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 1, 2, 4, 1, 1, // b
rlm@1	146 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, // c
rlm@1	147 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, // d
rlm@1	148 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, // e
rlm@1	149 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 // f
rlm@1	150 };
rlm@1	151
rlm@1	152 const int32 gamepakRamWaitState[4] = { 4, 3, 2, 8 };
rlm@1	153 const int32 gamepakWaitState[8] = { 4, 3, 2, 8, 4, 3, 2, 8 };
rlm@1	154 const int32 gamepakWaitState0[8] = { 2, 2, 2, 2, 1, 1, 1, 1 };
rlm@1	155 const int32 gamepakWaitState1[8] = { 4, 4, 4, 4, 1, 1, 1, 1 };
rlm@1	156 const int32 gamepakWaitState2[8] = { 8, 8, 8, 8, 1, 1, 1, 1 };
rlm@1	157
rlm@1	158 int32 memoryWait[16] =
rlm@1	159 { 0, 0, 2, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 0 };
rlm@1	160 int32 memoryWait32[16] =
rlm@1	161 { 0, 0, 9, 0, 0, 0, 0, 0, 8, 8, 8, 8, 8, 8, 8, 0 };
rlm@1	162 int32 memoryWaitSeq[16] =
rlm@1	163 { 0, 0, 2, 0, 0, 0, 0, 0, 2, 2, 4, 4, 8, 8, 4, 0 };
rlm@1	164 int32 memoryWaitSeq32[16] =
rlm@1	165 { 2, 0, 3, 0, 0, 2, 2, 0, 4, 4, 8, 8, 16, 16, 8, 0 };
rlm@1	166 int32 memoryWaitFetch[16] =
rlm@1	167 { 3, 0, 3, 0, 0, 1, 1, 0, 4, 4, 4, 4, 4, 4, 4, 0 };
rlm@1	168 int32 memoryWaitFetch32[16] =
rlm@1	169 { 6, 0, 6, 0, 0, 2, 2, 0, 8, 8, 8, 8, 8, 8, 8, 0 };
rlm@1	170
rlm@1	171 const int32 cpuMemoryWait[16] = {
rlm@1	172 0, 0, 2, 0, 0, 0, 0, 0,
rlm@1	173 2, 2, 2, 2, 2, 2, 0, 0
rlm@1	174 };
rlm@1	175 const int32 cpuMemoryWait32[16] = {
rlm@1	176 0, 0, 3, 0, 0, 0, 0, 0,
rlm@1	177 3, 3, 3, 3, 3, 3, 0, 0
rlm@1	178 };
rlm@1	179
rlm@1	180 const bool8 memory32[16] = {
rlm@1	181 true, false, false, true, true, false, false, true, false, false, false, false, false, false, true, false
rlm@1	182 };
rlm@1	183
rlm@1	184 u8 biosProtected[4];
rlm@1	185
rlm@1	186 u8 cpuBitsSet[256];
rlm@1	187 u8 cpuLowestBitSet[256];
rlm@1	188
rlm@1	189 #ifdef WORDS_BIGENDIAN
rlm@1	190 bool8 cpuBiosSwapped = false;
rlm@1	191 #endif
rlm@1	192
rlm@1	193 u32 myROM[] = {
rlm@1	194 0xEA000006,
rlm@1	195 0xEA000093,
rlm@1	196 0xEA000006,
rlm@1	197 0x00000000,
rlm@1	198 0x00000000,
rlm@1	199 0x00000000,
rlm@1	200 0xEA000088,
rlm@1	201 0x00000000,
rlm@1	202 0xE3A00302,
rlm@1	203 0xE1A0F000,
rlm@1	204 0xE92D5800,
rlm@1	205 0xE55EC002,
rlm@1	206 0xE28FB03C,
rlm@1	207 0xE79BC10C,
rlm@1	208 0xE14FB000,
rlm@1	209 0xE92D0800,
rlm@1	210 0xE20BB080,
rlm@1	211 0xE38BB01F,
rlm@1	212 0xE129F00B,
rlm@1	213 0xE92D4004,
rlm@1	214 0xE1A0E00F,
rlm@1	215 0xE12FFF1C,
rlm@1	216 0xE8BD4004,
rlm@1	217 0xE3A0C0D3,
rlm@1	218 0xE129F00C,
rlm@1	219 0xE8BD0800,
rlm@1	220 0xE169F00B,
rlm@1	221 0xE8BD5800,
rlm@1	222 0xE1B0F00E,
rlm@1	223 0x0000009C,
rlm@1	224 0x0000009C,
rlm@1	225 0x0000009C,
rlm@1	226 0x0000009C,
rlm@1	227 0x000001F8,
rlm@1	228 0x000001F0,
rlm@1	229 0x000000AC,
rlm@1	230 0x000000A0,
rlm@1	231 0x000000FC,
rlm@1	232 0x00000168,
rlm@1	233 0xE12FFF1E,
rlm@1	234 0xE1A03000,
rlm@1	235 0xE1A00001,
rlm@1	236 0xE1A01003,
rlm@1	237 0xE2113102,
rlm@1	238 0x42611000,
rlm@1	239 0xE033C040,
rlm@1	240 0x22600000,
rlm@1	241 0xE1B02001,
rlm@1	242 0xE15200A0,
rlm@1	243 0x91A02082,
rlm@1	244 0x3AFFFFFC,
rlm@1	245 0xE1500002,
rlm@1	246 0xE0A33003,
rlm@1	247 0x20400002,
rlm@1	248 0xE1320001,
rlm@1	249 0x11A020A2,
rlm@1	250 0x1AFFFFF9,
rlm@1	251 0xE1A01000,
rlm@1	252 0xE1A00003,
rlm@1	253 0xE1B0C08C,
rlm@1	254 0x22600000,
rlm@1	255 0x42611000,
rlm@1	256 0xE12FFF1E,
rlm@1	257 0xE92D0010,
rlm@1	258 0xE1A0C000,
rlm@1	259 0xE3A01001,
rlm@1	260 0xE1500001,
rlm@1	261 0x81A000A0,
rlm@1	262 0x81A01081,
rlm@1	263 0x8AFFFFFB,
rlm@1	264 0xE1A0000C,
rlm@1	265 0xE1A04001,
rlm@1	266 0xE3A03000,
rlm@1	267 0xE1A02001,
rlm@1	268 0xE15200A0,
rlm@1	269 0x91A02082,
rlm@1	270 0x3AFFFFFC,
rlm@1	271 0xE1500002,
rlm@1	272 0xE0A33003,
rlm@1	273 0x20400002,
rlm@1	274 0xE1320001,
rlm@1	275 0x11A020A2,
rlm@1	276 0x1AFFFFF9,
rlm@1	277 0xE0811003,
rlm@1	278 0xE1B010A1,
rlm@1	279 0xE1510004,
rlm@1	280 0x3AFFFFEE,
rlm@1	281 0xE1A00004,
rlm@1	282 0xE8BD0010,
rlm@1	283 0xE12FFF1E,
rlm@1	284 0xE0010090,
rlm@1	285 0xE1A01741,
rlm@1	286 0xE2611000,
rlm@1	287 0xE3A030A9,
rlm@1	288 0xE0030391,
rlm@1	289 0xE1A03743,
rlm@1	290 0xE2833E39,
rlm@1	291 0xE0030391,
rlm@1	292 0xE1A03743,
rlm@1	293 0xE2833C09,
rlm@1	294 0xE283301C,
rlm@1	295 0xE0030391,
rlm@1	296 0xE1A03743,
rlm@1	297 0xE2833C0F,
rlm@1	298 0xE28330B6,
rlm@1	299 0xE0030391,
rlm@1	300 0xE1A03743,
rlm@1	301 0xE2833C16,
rlm@1	302 0xE28330AA,
rlm@1	303 0xE0030391,
rlm@1	304 0xE1A03743,
rlm@1	305 0xE2833A02,
rlm@1	306 0xE2833081,
rlm@1	307 0xE0030391,
rlm@1	308 0xE1A03743,
rlm@1	309 0xE2833C36,
rlm@1	310 0xE2833051,
rlm@1	311 0xE0030391,
rlm@1	312 0xE1A03743,
rlm@1	313 0xE2833CA2,
rlm@1	314 0xE28330F9,
rlm@1	315 0xE0000093,
rlm@1	316 0xE1A00840,
rlm@1	317 0xE12FFF1E,
rlm@1	318 0xE3A00001,
rlm@1	319 0xE3A01001,
rlm@1	320 0xE92D4010,
rlm@1	321 0xE3A0C301,
rlm@1	322 0xE3A03000,
rlm@1	323 0xE3A04001,
rlm@1	324 0xE3500000,
rlm@1	325 0x1B000004,
rlm@1	326 0xE5CC3301,
rlm@1	327 0xEB000002,
rlm@1	328 0x0AFFFFFC,
rlm@1	329 0xE8BD4010,
rlm@1	330 0xE12FFF1E,
rlm@1	331 0xE5CC3208,
rlm@1	332 0xE15C20B8,
rlm@1	333 0xE0110002,
rlm@1	334 0x10200002,
rlm@1	335 0x114C00B8,
rlm@1	336 0xE5CC4208,
rlm@1	337 0xE12FFF1E,
rlm@1	338 0xE92D500F,
rlm@1	339 0xE3A00301,
rlm@1	340 0xE1A0E00F,
rlm@1	341 0xE510F004,
rlm@1	342 0xE8BD500F,
rlm@1	343 0xE25EF004,
rlm@1	344 0xE59FD044,
rlm@1	345 0xE92D5000,
rlm@1	346 0xE14FC000,
rlm@1	347 0xE10FE000,
rlm@1	348 0xE92D5000,
rlm@1	349 0xE3A0C302,
rlm@1	350 0xE5DCE09C,
rlm@1	351 0xE35E00A5,
rlm@1	352 0x1A000004,
rlm@1	353 0x05DCE0B4,
rlm@1	354 0x021EE080,
rlm@1	355 0xE28FE004,
rlm@1	356 0x159FF018,
rlm@1	357 0x059FF018,
rlm@1	358 0xE59FD018,
rlm@1	359 0xE8BD5000,
rlm@1	360 0xE169F00C,
rlm@1	361 0xE8BD5000,
rlm@1	362 0xE25EF004,
rlm@1	363 0x03007FF0,
rlm@1	364 0x09FE2000,
rlm@1	365 0x09FFC000,
rlm@1	366 0x03007FE0
rlm@1	367 };
rlm@1	368
rlm@1	369 variable_desc saveGameStruct[] = {
rlm@1	370 { &DISPCNT, sizeof(u16) },
rlm@1	371 { &DISPSTAT, sizeof(u16) },
rlm@1	372 { &VCOUNT, sizeof(u16) },
rlm@1	373 { &BG0CNT, sizeof(u16) },
rlm@1	374 { &BG1CNT, sizeof(u16) },
rlm@1	375 { &BG2CNT, sizeof(u16) },
rlm@1	376 { &BG3CNT, sizeof(u16) },
rlm@1	377 { &BG0HOFS, sizeof(u16) },
rlm@1	378 { &BG0VOFS, sizeof(u16) },
rlm@1	379 { &BG1HOFS, sizeof(u16) },
rlm@1	380 { &BG1VOFS, sizeof(u16) },
rlm@1	381 { &BG2HOFS, sizeof(u16) },
rlm@1	382 { &BG2VOFS, sizeof(u16) },
rlm@1	383 { &BG3HOFS, sizeof(u16) },
rlm@1	384 { &BG3VOFS, sizeof(u16) },
rlm@1	385 { &BG2PA, sizeof(u16) },
rlm@1	386 { &BG2PB, sizeof(u16) },
rlm@1	387 { &BG2PC, sizeof(u16) },
rlm@1	388 { &BG2PD, sizeof(u16) },
rlm@1	389 { &BG2X_L, sizeof(u16) },
rlm@1	390 { &BG2X_H, sizeof(u16) },
rlm@1	391 { &BG2Y_L, sizeof(u16) },
rlm@1	392 { &BG2Y_H, sizeof(u16) },
rlm@1	393 { &BG3PA, sizeof(u16) },
rlm@1	394 { &BG3PB, sizeof(u16) },
rlm@1	395 { &BG3PC, sizeof(u16) },
rlm@1	396 { &BG3PD, sizeof(u16) },
rlm@1	397 { &BG3X_L, sizeof(u16) },
rlm@1	398 { &BG3X_H, sizeof(u16) },
rlm@1	399 { &BG3Y_L, sizeof(u16) },
rlm@1	400 { &BG3Y_H, sizeof(u16) },
rlm@1	401 { &WIN0H, sizeof(u16) },
rlm@1	402 { &WIN1H, sizeof(u16) },
rlm@1	403 { &WIN0V, sizeof(u16) },
rlm@1	404 { &WIN1V, sizeof(u16) },
rlm@1	405 { &WININ, sizeof(u16) },
rlm@1	406 { &WINOUT, sizeof(u16) },
rlm@1	407 { &MOSAIC, sizeof(u16) },
rlm@1	408 { &BLDMOD, sizeof(u16) },
rlm@1	409 { &COLEV, sizeof(u16) },
rlm@1	410 { &COLY, sizeof(u16) },
rlm@1	411 { &DM0SAD_L, sizeof(u16) },
rlm@1	412 { &DM0SAD_H, sizeof(u16) },
rlm@1	413 { &DM0DAD_L, sizeof(u16) },
rlm@1	414 { &DM0DAD_H, sizeof(u16) },
rlm@1	415 { &DM0CNT_L, sizeof(u16) },
rlm@1	416 { &DM0CNT_H, sizeof(u16) },
rlm@1	417 { &DM1SAD_L, sizeof(u16) },
rlm@1	418 { &DM1SAD_H, sizeof(u16) },
rlm@1	419 { &DM1DAD_L, sizeof(u16) },
rlm@1	420 { &DM1DAD_H, sizeof(u16) },
rlm@1	421 { &DM1CNT_L, sizeof(u16) },
rlm@1	422 { &DM1CNT_H, sizeof(u16) },
rlm@1	423 { &DM2SAD_L, sizeof(u16) },
rlm@1	424 { &DM2SAD_H, sizeof(u16) },
rlm@1	425 { &DM2DAD_L, sizeof(u16) },
rlm@1	426 { &DM2DAD_H, sizeof(u16) },
rlm@1	427 { &DM2CNT_L, sizeof(u16) },
rlm@1	428 { &DM2CNT_H, sizeof(u16) },
rlm@1	429 { &DM3SAD_L, sizeof(u16) },
rlm@1	430 { &DM3SAD_H, sizeof(u16) },
rlm@1	431 { &DM3DAD_L, sizeof(u16) },
rlm@1	432 { &DM3DAD_H, sizeof(u16) },
rlm@1	433 { &DM3CNT_L, sizeof(u16) },
rlm@1	434 { &DM3CNT_H, sizeof(u16) },
rlm@1	435 { &TM0D, sizeof(u16) },
rlm@1	436 { &TM0CNT, sizeof(u16) },
rlm@1	437 { &TM1D, sizeof(u16) },
rlm@1	438 { &TM1CNT, sizeof(u16) },
rlm@1	439 { &TM2D, sizeof(u16) },
rlm@1	440 { &TM2CNT, sizeof(u16) },
rlm@1	441 { &TM3D, sizeof(u16) },
rlm@1	442 { &TM3CNT, sizeof(u16) },
rlm@1	443 { &P1, sizeof(u16) },
rlm@1	444 { &IE, sizeof(u16) },
rlm@1	445 { &IF, sizeof(u16) },
rlm@1	446 { &IME, sizeof(u16) },
rlm@1	447 { &holdState, sizeof(bool8) },
rlm@1	448 { &holdType, sizeof(int32) },
rlm@1	449 { &lcdTicks, sizeof(int32) },
rlm@1	450 { &timer0On, sizeof(bool8) },
rlm@1	451 { &timer0Ticks, sizeof(int32) },
rlm@1	452 { &timer0Reload, sizeof(int32) },
rlm@1	453 { &timer0ClockReload, sizeof(int32) },
rlm@1	454 { &timer1On, sizeof(bool8) },
rlm@1	455 { &timer1Ticks, sizeof(int32) },
rlm@1	456 { &timer1Reload, sizeof(int32) },
rlm@1	457 { &timer1ClockReload, sizeof(int32) },
rlm@1	458 { &timer2On, sizeof(bool8) },
rlm@1	459 { &timer2Ticks, sizeof(int32) },
rlm@1	460 { &timer2Reload, sizeof(int32) },
rlm@1	461 { &timer2ClockReload, sizeof(int32) },
rlm@1	462 { &timer3On, sizeof(bool8) },
rlm@1	463 { &timer3Ticks, sizeof(int32) },
rlm@1	464 { &timer3Reload, sizeof(int32) },
rlm@1	465 { &timer3ClockReload, sizeof(int32) },
rlm@1	466 { &dma0Source, sizeof(u32) },
rlm@1	467 { &dma0Dest, sizeof(u32) },
rlm@1	468 { &dma1Source, sizeof(u32) },
rlm@1	469 { &dma1Dest, sizeof(u32) },
rlm@1	470 { &dma2Source, sizeof(u32) },
rlm@1	471 { &dma2Dest, sizeof(u32) },
rlm@1	472 { &dma3Source, sizeof(u32) },
rlm@1	473 { &dma3Dest, sizeof(u32) },
rlm@1	474 { &fxOn, sizeof(bool8) },
rlm@1	475 { &windowOn, sizeof(bool8) },
rlm@1	476 { &N_FLAG, sizeof(bool8) },
rlm@1	477 { &C_FLAG, sizeof(bool8) },
rlm@1	478 { &Z_FLAG, sizeof(bool8) },
rlm@1	479 { &V_FLAG, sizeof(bool8) },
rlm@1	480 { &armState, sizeof(bool8) },
rlm@1	481 { &armIrqEnable, sizeof(bool8) },
rlm@1	482 { &armNextPC, sizeof(u32) },
rlm@1	483 { &armMode, sizeof(int32) },
rlm@1	484 { &saveType, sizeof(int32) },
rlm@1	485 { NULL, 0 }
rlm@1	486 };
rlm@1	487
rlm@1	488 //int cpuLoopTicks = 0;
rlm@1	489 int cpuSavedTicks = 0;
rlm@1	490
rlm@1	491 #ifdef PROFILING
rlm@1	492 void cpuProfil(char *buf, int size, u32 lowPC, int scale)
rlm@1	493 {
rlm@1	494 profilBuffer = buf;
rlm@1	495 profilSize = size;
rlm@1	496 profilLowPC = lowPC;
rlm@1	497 profilScale = scale;
rlm@1	498 }
rlm@1	499
rlm@1	500 void cpuEnableProfiling(int hz)
rlm@1	501 {
rlm@1	502 if (hz == 0)
rlm@1	503 hz = 100;
rlm@1	504 profilingTicks = profilingTicksReload = 16777216 / hz;
rlm@1	505 profSetHertz(hz);
rlm@1	506 }
rlm@1	507
rlm@1	508 #endif
rlm@1	509
rlm@1	510 inline int CPUUpdateTicksAccess32(u32 address)
rlm@1	511 {
rlm@1	512 return memoryWait32[(address >> 24) & 15];
rlm@1	513 }
rlm@1	514
rlm@1	515 inline int CPUUpdateTicksAccess16(u32 address)
rlm@1	516 {
rlm@1	517 return memoryWait[(address >> 24) & 15];
rlm@1	518 }
rlm@1	519
rlm@1	520 inline int CPUUpdateTicksAccessSeq32(u32 address)
rlm@1	521 {
rlm@1	522 return memoryWaitSeq32[(address >> 24) & 15];
rlm@1	523 }
rlm@1	524
rlm@1	525 inline int CPUUpdateTicksAccessSeq16(u32 address)
rlm@1	526 {
rlm@1	527 return memoryWaitSeq[(address >> 24) & 15];
rlm@1	528 }
rlm@1	529
rlm@1	530 inline int CPUUpdateTicks()
rlm@1	531 {
rlm@1	532 int cpuLoopTicks = lcdTicks;
rlm@1	533
rlm@1	534 if (soundTicks < cpuLoopTicks)
rlm@1	535 cpuLoopTicks = soundTicks;
rlm@1	536
rlm@1	537 if (timer0On && !(TM0CNT & 4) && (timer0Ticks < cpuLoopTicks))
rlm@1	538 {
rlm@1	539 cpuLoopTicks = timer0Ticks;
rlm@1	540 }
rlm@1	541 if (timer1On && !(TM1CNT & 4) && (timer1Ticks < cpuLoopTicks))
rlm@1	542 {
rlm@1	543 cpuLoopTicks = timer1Ticks;
rlm@1	544 }
rlm@1	545 if (timer2On && !(TM2CNT & 4) && (timer2Ticks < cpuLoopTicks))
rlm@1	546 {
rlm@1	547 cpuLoopTicks = timer2Ticks;
rlm@1	548 }
rlm@1	549 if (timer3On && !(TM3CNT & 4) && (timer3Ticks < cpuLoopTicks))
rlm@1	550 {
rlm@1	551 cpuLoopTicks = timer3Ticks;
rlm@1	552 }
rlm@1	553 #ifdef PROFILING
rlm@1	554 if (profilingTicksReload != 0)
rlm@1	555 {
rlm@1	556 if (profilingTicks < cpuLoopTicks)
rlm@1	557 {
rlm@1	558 cpuLoopTicks = profilingTicks;
rlm@1	559 }
rlm@1	560 }
rlm@1	561 #endif
rlm@1	562 cpuSavedTicks = cpuLoopTicks;
rlm@1	563 return cpuLoopTicks;
rlm@1	564 }
rlm@1	565
rlm@1	566 void CPUUpdateWindow0()
rlm@1	567 {
rlm@1	568 int x00 = WIN0H >> 8;
rlm@1	569 int x01 = WIN0H & 255;
rlm@1	570
rlm@1	571 if (x00 <= x01)
rlm@1	572 {
rlm@1	573 for (int i = 0; i < 240; i++)
rlm@1	574 {
rlm@1	575 gfxInWin0[i] = (i >= x00 && i < x01);
rlm@1	576 }
rlm@1	577 }
rlm@1	578 else
rlm@1	579 {
rlm@1	580 for (int i = 0; i < 240; i++)
rlm@1	581 {
rlm@1	582 gfxInWin0[i] = (i >= x00 \|\| i < x01);
rlm@1	583 }
rlm@1	584 }
rlm@1	585 }
rlm@1	586
rlm@1	587 void CPUUpdateWindow1()
rlm@1	588 {
rlm@1	589 int x00 = WIN1H >> 8;
rlm@1	590 int x01 = WIN1H & 255;
rlm@1	591
rlm@1	592 if (x00 <= x01)
rlm@1	593 {
rlm@1	594 for (int i = 0; i < 240; i++)
rlm@1	595 {
rlm@1	596 gfxInWin1[i] = (i >= x00 && i < x01);
rlm@1	597 }
rlm@1	598 }
rlm@1	599 else
rlm@1	600 {
rlm@1	601 for (int i = 0; i < 240; i++)
rlm@1	602 {
rlm@1	603 gfxInWin1[i] = (i >= x00 \|\| i < x01);
rlm@1	604 }
rlm@1	605 }
rlm@1	606 }
rlm@1	607
rlm@1	608 #define CLEAR_ARRAY(a) \
rlm@1	609 { \
rlm@1	610 u32 *array = (a); \
rlm@1	611 for (int i = 0; i < 240; i++) { \
rlm@1	612 *array++ = 0x80000000; \
rlm@1	613 } \
rlm@1	614 } \
rlm@1	615
rlm@1	616 void CPUUpdateRenderBuffers(bool force)
rlm@1	617 {
rlm@1	618 if (!(layerEnable & 0x0100) \|\| force)
rlm@1	619 {
rlm@1	620 CLEAR_ARRAY(line0);
rlm@1	621 }
rlm@1	622 if (!(layerEnable & 0x0200) \|\| force)
rlm@1	623 {
rlm@1	624 CLEAR_ARRAY(line1);
rlm@1	625 }
rlm@1	626 if (!(layerEnable & 0x0400) \|\| force)
rlm@1	627 {
rlm@1	628 CLEAR_ARRAY(line2);
rlm@1	629 }
rlm@1	630 if (!(layerEnable & 0x0800) \|\| force)
rlm@1	631 {
rlm@1	632 CLEAR_ARRAY(line3);
rlm@1	633 }
rlm@1	634 }
rlm@1	635
rlm@1	636 bool CPUWriteStateToStream(gzFile gzFile)
rlm@1	637 {
rlm@1	638 utilWriteInt(gzFile, SAVE_GAME_VERSION);
rlm@1	639
rlm@1	640 utilGzWrite(gzFile, &rom[0xa0], 16);
rlm@1	641
rlm@1	642 utilWriteInt(gzFile, useBios);
rlm@1	643
rlm@1	644 utilGzWrite(gzFile, &reg[0], sizeof(reg));
rlm@1	645
rlm@1	646 utilWriteData(gzFile, saveGameStruct);
rlm@1	647
rlm@1	648 // new to version 0.7.1
rlm@1	649 utilWriteInt(gzFile, stopState);
rlm@1	650 // new to version 0.8
rlm@1	651 utilWriteInt(gzFile, intState);
rlm@1	652
rlm@1	653 utilGzWrite(gzFile, internalRAM, 0x8000);
rlm@1	654 utilGzWrite(gzFile, paletteRAM, 0x400);
rlm@1	655 utilGzWrite(gzFile, workRAM, 0x40000);
rlm@1	656 utilGzWrite(gzFile, vram, 0x20000);
rlm@1	657 utilGzWrite(gzFile, oam, 0x400);
rlm@1	658 utilGzWrite(gzFile, pix, 4 * 241 * 162);
rlm@1	659 utilGzWrite(gzFile, ioMem, 0x400);
rlm@1	660
rlm@1	661 eepromSaveGame(gzFile);
rlm@1	662 flashSaveGame(gzFile);
rlm@1	663 soundSaveGame(gzFile);
rlm@1	664
rlm@1	665 cheatsSaveGame(gzFile);
rlm@1	666
rlm@1	667 // version 1.5
rlm@1	668 rtcSaveGame(gzFile);
rlm@1	669
rlm@1	670 // SAVE_GAME_VERSION_9 (new to re-recording version which is based on 1.72)
rlm@1	671 {
rlm@1	672 extern int32 sensorX, sensorY; // from SDL.cpp
rlm@1	673 utilGzWrite(gzFile, &sensorX, sizeof(sensorX));
rlm@1	674 utilGzWrite(gzFile, &sensorY, sizeof(sensorY));
rlm@1	675 bool8 movieActive = VBAMovieActive();
rlm@1	676 utilGzWrite(gzFile, &movieActive, sizeof(movieActive));
rlm@1	677 if (movieActive)
rlm@1	678 {
rlm@1	679 uint8 *movie_freeze_buf = NULL;
rlm@1	680 uint32 movie_freeze_size = 0;
rlm@1	681
rlm@1	682 VBAMovieFreeze(&movie_freeze_buf, &movie_freeze_size);
rlm@1	683 if (movie_freeze_buf)
rlm@1	684 {
rlm@1	685 utilGzWrite(gzFile, &movie_freeze_size, sizeof(movie_freeze_size));
rlm@1	686 utilGzWrite(gzFile, movie_freeze_buf, movie_freeze_size);
rlm@1	687 delete [] movie_freeze_buf;
rlm@1	688 }
rlm@1	689 else
rlm@1	690 {
rlm@1	691 systemMessage(0, N_("Failed to save movie snapshot."));
rlm@1	692 return false;
rlm@1	693 }
rlm@1	694 }
rlm@1	695 utilGzWrite(gzFile, &GBASystemCounters.frameCount, sizeof(GBASystemCounters.frameCount));
rlm@1	696 }
rlm@1	697
rlm@1	698 // SAVE_GAME_VERSION_10
rlm@1	699 {
rlm@1	700 utilGzWrite(gzFile, memoryWait, 16 * sizeof(int32));
rlm@1	701 utilGzWrite(gzFile, memoryWait32, 16 * sizeof(int32));
rlm@1	702 utilGzWrite(gzFile, memoryWaitSeq, 16 * sizeof(int32));
rlm@1	703 utilGzWrite(gzFile, memoryWaitSeq32, 16 * sizeof(int32));
rlm@1	704 utilGzWrite(gzFile, memoryWaitFetch, 16 * sizeof(int32));
rlm@1	705 utilGzWrite(gzFile, memoryWaitFetch32, 16 * sizeof(int32));
rlm@1	706 }
rlm@1	707
rlm@1	708 // SAVE_GAME_VERSION_11
rlm@1	709 {
rlm@1	710 utilGzWrite(gzFile, &prefetchActive, sizeof(bool8));
rlm@1	711 utilGzWrite(gzFile, &prefetchPrevActive, sizeof(bool8));
rlm@1	712 utilGzWrite(gzFile, &prefetchApplies, sizeof(bool8));
rlm@1	713 }
rlm@1	714
rlm@1	715 // SAVE_GAME_VERSION_12
rlm@1	716 {
rlm@1	717 utilGzWrite(gzFile, &memLagTempEnabled, sizeof(bool8)); // necessary
rlm@1	718 utilGzWrite(gzFile, &speedHack, sizeof(bool8)); // just in case it's ever used...
rlm@1	719 }
rlm@1	720
rlm@1	721 // SAVE_GAME_VERSION_13
rlm@1	722 {
rlm@1	723 utilGzWrite(gzFile, &GBASystemCounters.lagCount, sizeof(GBASystemCounters.lagCount));
rlm@1	724 utilGzWrite(gzFile, &GBASystemCounters.lagged, sizeof(GBASystemCounters.lagged));
rlm@1	725 utilGzWrite(gzFile, &GBASystemCounters.laggedLast, sizeof(GBASystemCounters.laggedLast));
rlm@1	726 }
rlm@1	727
rlm@1	728 return true;
rlm@1	729 }
rlm@1	730
rlm@1	731 bool CPUWriteState(const char *file)
rlm@1	732 {
rlm@1	733 gzFile gzFile = utilGzOpen(file, "wb");
rlm@1	734
rlm@1	735 if (gzFile == NULL)
rlm@1	736 {
rlm@1	737 systemMessage(MSG_ERROR_CREATING_FILE, N_("Error creating file %s"), file);
rlm@1	738 return false;
rlm@1	739 }
rlm@1	740
rlm@1	741 bool res = CPUWriteStateToStream(gzFile);
rlm@1	742
rlm@1	743 utilGzClose(gzFile);
rlm@1	744
rlm@1	745 return res;
rlm@1	746 }
rlm@1	747
rlm@1	748 bool CPUWriteMemState(char *memory, int available)
rlm@1	749 {
rlm@1	750 gzFile gzFile = utilMemGzOpen(memory, available, "w");
rlm@1	751
rlm@1	752 if (gzFile == NULL)
rlm@1	753 {
rlm@1	754 return false;
rlm@1	755 }
rlm@1	756
rlm@1	757 bool res = CPUWriteStateToStream(gzFile);
rlm@1	758
rlm@1	759 long pos = utilGzTell(gzFile) + 8;
rlm@1	760
rlm@1	761 if (pos >= (available))
rlm@1	762 res = false;
rlm@1	763
rlm@1	764 utilGzClose(gzFile);
rlm@1	765
rlm@1	766 return res;
rlm@1	767 }
rlm@1	768
rlm@1	769 static int tempStateID = 0;
rlm@1	770 static int tempFailCount = 0;
rlm@1	771 static bool backupSafe = true;
rlm@1	772
rlm@1	773 bool CPUReadStateFromStream(gzFile gzFile)
rlm@1	774 {
rlm@1	775 bool8 ub;
rlm@1	776 char tempBackupName [128];
rlm@1	777 if (backupSafe)
rlm@1	778 {
rlm@1	779 sprintf(tempBackupName, "gbatempsave%d.sav", tempStateID++);
rlm@1	780 CPUWriteState(tempBackupName);
rlm@1	781 }
rlm@1	782
rlm@1	783 int version = utilReadInt(gzFile);
rlm@1	784
rlm@1	785 if (version > SAVE_GAME_VERSION \|\| version < SAVE_GAME_VERSION_1)
rlm@1	786 {
rlm@1	787 systemMessage(MSG_UNSUPPORTED_VBA_SGM,
rlm@1	788 N_("Unsupported VisualBoyAdvance save game version %d"),
rlm@1	789 version);
rlm@1	790 goto failedLoad;
rlm@1	791 }
rlm@1	792
rlm@1	793 u8 romname[17];
rlm@1	794
rlm@1	795 utilGzRead(gzFile, romname, 16);
rlm@1	796
rlm@1	797 if (memcmp(&rom[0xa0], romname, 16) != 0)
rlm@1	798 {
rlm@1	799 romname[16] = 0;
rlm@1	800 for (int i = 0; i < 16; i++)
rlm@1	801 if (romname[i] < 32)
rlm@1	802 romname[i] = 32;
rlm@1	803 systemMessage(MSG_CANNOT_LOAD_SGM, N_("Cannot load save game for %s"), romname);
rlm@1	804 goto failedLoad;
rlm@1	805 }
rlm@1	806
rlm@1	807 ub = utilReadInt(gzFile) ? true : false;
rlm@1	808
rlm@1	809 if (ub != useBios)
rlm@1	810 {
rlm@1	811 if (useBios)
rlm@1	812 systemMessage(MSG_SAVE_GAME_NOT_USING_BIOS,
rlm@1	813 N_("Save game is not using the BIOS files"));
rlm@1	814 else
rlm@1	815 systemMessage(MSG_SAVE_GAME_USING_BIOS,
rlm@1	816 N_("Save game is using the BIOS file"));
rlm@1	817 goto failedLoad;
rlm@1	818 }
rlm@1	819
rlm@1	820 utilGzRead(gzFile, &reg[0], sizeof(reg));
rlm@1	821
rlm@1	822 utilReadData(gzFile, saveGameStruct);
rlm@1	823
rlm@1	824 if (version < SAVE_GAME_VERSION_3)
rlm@1	825 stopState = false;
rlm@1	826 else
rlm@1	827 stopState = utilReadInt(gzFile) ? true : false;
rlm@1	828
rlm@1	829 if (version < SAVE_GAME_VERSION_4)
rlm@1	830 intState = false;
rlm@1	831 else
rlm@1	832 intState = utilReadInt(gzFile) ? true : false;
rlm@1	833
rlm@1	834 utilGzRead(gzFile, internalRAM, 0x8000);
rlm@1	835 utilGzRead(gzFile, paletteRAM, 0x400);
rlm@1	836 utilGzRead(gzFile, workRAM, 0x40000);
rlm@1	837 utilGzRead(gzFile, vram, 0x20000);
rlm@1	838 utilGzRead(gzFile, oam, 0x400);
rlm@1	839 if (version < SAVE_GAME_VERSION_6)
rlm@1	840 utilGzRead(gzFile, pix, 4 * 240 * 160);
rlm@1	841 else
rlm@1	842 utilGzRead(gzFile, pix, 4 * 241 * 162);
rlm@1	843 utilGzRead(gzFile, ioMem, 0x400);
rlm@1	844
rlm@1	845 eepromReadGame(gzFile, version);
rlm@1	846 flashReadGame(gzFile, version);
rlm@1	847 soundReadGame(gzFile, version);
rlm@1	848
rlm@1	849 if (version > SAVE_GAME_VERSION_1)
rlm@1	850 {
rlm@1	851 cheatsReadGame(gzFile);
rlm@1	852 }
rlm@1	853 if (version > SAVE_GAME_VERSION_6)
rlm@1	854 {
rlm@1	855 rtcReadGame(gzFile);
rlm@1	856 }
rlm@1	857
rlm@1	858 if (version <= SAVE_GAME_VERSION_7)
rlm@1	859 {
rlm@1	860 u32 temp;
rlm@1	861 #define SWAP(a, b, c) \
rlm@1	862 temp = (a); \
rlm@1	863 (a) = (b) << 16 \| (c); \
rlm@1	864 (b) = (temp) >> 16; \
rlm@1	865 (c) = (temp) & 0xFFFF;
rlm@1	866
rlm@1	867 SWAP(dma0Source, DM0SAD_H, DM0SAD_L);
rlm@1	868 SWAP(dma0Dest, DM0DAD_H, DM0DAD_L);
rlm@1	869 SWAP(dma1Source, DM1SAD_H, DM1SAD_L);
rlm@1	870 SWAP(dma1Dest, DM1DAD_H, DM1DAD_L);
rlm@1	871 SWAP(dma2Source, DM2SAD_H, DM2SAD_L);
rlm@1	872 SWAP(dma2Dest, DM2DAD_H, DM2DAD_L);
rlm@1	873 SWAP(dma3Source, DM3SAD_H, DM3SAD_L);
rlm@1	874 SWAP(dma3Dest, DM3DAD_H, DM3DAD_L);
rlm@1	875 }
rlm@1	876
rlm@1	877 // set pointers!
rlm@1	878 layerEnable = layerSettings & DISPCNT;
rlm@1	879
rlm@1	880 CPUUpdateRender();
rlm@1	881 CPUUpdateRenderBuffers(true);
rlm@1	882 CPUUpdateWindow0();
rlm@1	883 CPUUpdateWindow1();
rlm@1	884 gbaSaveType = 0;
rlm@1	885 switch (saveType)
rlm@1	886 {
rlm@1	887 case 0:
rlm@1	888 cpuSaveGameFunc = flashSaveDecide;
rlm@1	889 break;
rlm@1	890 case 1:
rlm@1	891 cpuSaveGameFunc = sramWrite;
rlm@1	892 gbaSaveType = 1;
rlm@1	893 break;
rlm@1	894 case 2:
rlm@1	895 cpuSaveGameFunc = flashWrite;
rlm@1	896 gbaSaveType = 2;
rlm@1	897 break;
rlm@1	898 default:
rlm@1	899 systemMessage(MSG_UNSUPPORTED_SAVE_TYPE,
rlm@1	900 N_("Unsupported save type %d"), saveType);
rlm@1	901 break;
rlm@1	902 }
rlm@1	903 if (eepromInUse)
rlm@1	904 gbaSaveType = 3;
rlm@1	905
rlm@1	906 systemSaveUpdateCounter = SYSTEM_SAVE_NOT_UPDATED;
rlm@1	907
rlm@1	908 if (version >= SAVE_GAME_VERSION_9) // new to re-recording version:
rlm@1	909 {
rlm@1	910 extern int32 sensorX, sensorY; // from SDL.cpp
rlm@1	911 utilGzRead(gzFile, &sensorX, sizeof(sensorX));
rlm@1	912 utilGzRead(gzFile, &sensorY, sizeof(sensorY));
rlm@1	913
rlm@1	914 bool8 movieSnapshot;
rlm@1	915 utilGzRead(gzFile, &movieSnapshot, sizeof(movieSnapshot));
rlm@1	916 if (VBAMovieActive() && !movieSnapshot)
rlm@1	917 {
rlm@1	918 systemMessage(0, N_("Can't load a non-movie snapshot while a movie is active."));
rlm@1	919 goto failedLoad;
rlm@1	920 }
rlm@1	921
rlm@1	922 if (movieSnapshot) // even if a movie isn't active we still want to parse through this in case other stuff is added
rlm@1	923 // later on in the save format
rlm@1	924 {
rlm@1	925 uint32 movieInputDataSize = 0;
rlm@1	926 utilGzRead(gzFile, &movieInputDataSize, sizeof(movieInputDataSize));
rlm@1	927 uint8 *local_movie_data = new uint8[movieInputDataSize];
rlm@1	928 int readBytes = utilGzRead(gzFile, local_movie_data, movieInputDataSize);
rlm@1	929 if (readBytes != movieInputDataSize)
rlm@1	930 {
rlm@1	931 systemMessage(0, N_("Corrupt movie snapshot."));
rlm@1	932 if (local_movie_data)
rlm@1	933 delete [] local_movie_data;
rlm@1	934 goto failedLoad;
rlm@1	935 }
rlm@1	936 int code = VBAMovieUnfreeze(local_movie_data, movieInputDataSize);
rlm@1	937 if (local_movie_data)
rlm@1	938 delete [] local_movie_data;
rlm@1	939 if (code != MOVIE_SUCCESS && VBAMovieActive())
rlm@1	940 {
rlm@1	941 char errStr [1024];
rlm@1	942 strcpy(errStr, "Failed to load movie snapshot");
rlm@1	943 switch (code)
rlm@1	944 {
rlm@1	945 case MOVIE_NOT_FROM_THIS_MOVIE:
rlm@1	946 strcat(errStr, ";\nSnapshot not from this movie"); break;
rlm@1	947 case MOVIE_NOT_FROM_A_MOVIE:
rlm@1	948 strcat(errStr, ";\nNot a movie snapshot"); break; // shouldn't get here...
rlm@1	949 case MOVIE_SNAPSHOT_INCONSISTENT:
rlm@1	950 strcat(errStr, ";\nSnapshot inconsistent with movie"); break;
rlm@1	951 case MOVIE_WRONG_FORMAT:
rlm@1	952 strcat(errStr, ";\nWrong format"); break;
rlm@1	953 }
rlm@1	954 strcat(errStr, ".");
rlm@1	955 systemMessage(0, N_(errStr));
rlm@1	956 goto failedLoad;
rlm@1	957 }
rlm@1	958 }
rlm@1	959 utilGzRead(gzFile, &GBASystemCounters.frameCount, sizeof(GBASystemCounters.frameCount));
rlm@1	960 }
rlm@1	961 if (version >= SAVE_GAME_VERSION_10)
rlm@1	962 {
rlm@1	963 utilGzRead(gzFile, memoryWait, 16 * sizeof(int32));
rlm@1	964 utilGzRead(gzFile, memoryWait32, 16 * sizeof(int32));
rlm@1	965 utilGzRead(gzFile, memoryWaitSeq, 16 * sizeof(int32));
rlm@1	966 utilGzRead(gzFile, memoryWaitSeq32, 16 * sizeof(int32));
rlm@1	967 utilGzRead(gzFile, memoryWaitFetch, 16 * sizeof(int32));
rlm@1	968 utilGzRead(gzFile, memoryWaitFetch32, 16 * sizeof(int32));
rlm@1	969 }
rlm@1	970 if (version >= SAVE_GAME_VERSION_11)
rlm@1	971 {
rlm@1	972 utilGzRead(gzFile, &prefetchActive, sizeof(bool8));
rlm@1	973 //if(prefetchActive && !prefetchPrevActive) systemScreenMessage("pre-fetch enabled",3,600);
rlm@1	974 //if(!prefetchActive && prefetchPrevActive) systemScreenMessage("pre-fetch disabled",3,600);
rlm@1	975 utilGzRead(gzFile, &prefetchPrevActive, sizeof(bool8));
rlm@1	976 utilGzRead(gzFile, &prefetchApplies, sizeof(bool8));
rlm@1	977 }
rlm@1	978 if (version >= SAVE_GAME_VERSION_12)
rlm@1	979 {
rlm@1	980 utilGzRead(gzFile, &memLagTempEnabled, sizeof(bool8)); // necessary
rlm@1	981 utilGzRead(gzFile, &speedHack, sizeof(bool8)); // just in case it's ever used...
rlm@1	982 }
rlm@1	983 if (version >= SAVE_GAME_VERSION_13)
rlm@1	984 {
rlm@1	985 utilGzRead(gzFile, &GBASystemCounters.lagCount, sizeof(GBASystemCounters.lagCount));
rlm@1	986 utilGzRead(gzFile, &GBASystemCounters.lagged, sizeof(GBASystemCounters.lagged));
rlm@1	987 utilGzRead(gzFile, &GBASystemCounters.laggedLast, sizeof(GBASystemCounters.laggedLast));
rlm@1	988 }
rlm@1	989
rlm@1	990 if (backupSafe)
rlm@1	991 {
rlm@1	992 remove(tempBackupName);
rlm@1	993 tempFailCount = 0;
rlm@1	994 }
rlm@1	995 systemSetJoypad(0, ~P1 & 0x3FF);
rlm@1	996 VBAUpdateButtonPressDisplay();
rlm@1	997 VBAUpdateFrameCountDisplay();
rlm@1	998 systemRefreshScreen();
rlm@1	999 return true;
rlm@1	1000
rlm@1	1001 failedLoad:
rlm@1	1002 if (backupSafe)
rlm@1	1003 {
rlm@1	1004 tempFailCount++;
rlm@1	1005 if (tempFailCount < 3) // fail no more than 2 times in a row
rlm@1	1006 CPUReadState(tempBackupName);
rlm@1	1007 remove(tempBackupName);
rlm@1	1008 }
rlm@1	1009 return false;
rlm@1	1010 }
rlm@1	1011
rlm@1	1012 bool CPUReadMemState(char *memory, int available)
rlm@1	1013 {
rlm@1	1014 gzFile gzFile = utilMemGzOpen(memory, available, "r");
rlm@1	1015
rlm@1	1016 backupSafe = false;
rlm@1	1017 bool res = CPUReadStateFromStream(gzFile);
rlm@1	1018 backupSafe = true;
rlm@1	1019
rlm@1	1020 utilGzClose(gzFile);
rlm@1	1021
rlm@1	1022 return res;
rlm@1	1023 }
rlm@1	1024
rlm@1	1025 bool CPUReadState(const char *file)
rlm@1	1026 {
rlm@1	1027 gzFile gzFile = utilGzOpen(file, "rb");
rlm@1	1028
rlm@1	1029 if (gzFile == NULL)
rlm@1	1030 return false;
rlm@1	1031
rlm@1	1032 bool res = CPUReadStateFromStream(gzFile);
rlm@1	1033
rlm@1	1034 utilGzClose(gzFile);
rlm@1	1035
rlm@1	1036 return res;
rlm@1	1037 }
rlm@1	1038
rlm@1	1039 bool CPUExportEepromFile(const char *fileName)
rlm@1	1040 {
rlm@1	1041 if (eepromInUse)
rlm@1	1042 {
rlm@1	1043 FILE *file = fopen(fileName, "wb");
rlm@1	1044
rlm@1	1045 if (!file)
rlm@1	1046 {
rlm@1	1047 systemMessage(MSG_ERROR_CREATING_FILE, N_("Error creating file %s"),
rlm@1	1048 fileName);
rlm@1	1049 return false;
rlm@1	1050 }
rlm@1	1051
rlm@1	1052 for (int i = 0; i < eepromSize; )
rlm@1	1053 {
rlm@1	1054 for (int j = 0; j < 8; j++)
rlm@1	1055 {
rlm@1	1056 if (fwrite(&eepromData[i + 7 - j], 1, 1, file) != 1)
rlm@1	1057 {
rlm@1	1058 fclose(file);
rlm@1	1059 return false;
rlm@1	1060 }
rlm@1	1061 }
rlm@1	1062 i += 8;
rlm@1	1063 }
rlm@1	1064 fclose(file);
rlm@1	1065 }
rlm@1	1066 return true;
rlm@1	1067 }
rlm@1	1068
rlm@1	1069 bool CPUWriteBatteryToStream(gzFile gzFile)
rlm@1	1070 {
rlm@1	1071 if (!gzFile)
rlm@1	1072 return false;
rlm@1	1073
rlm@1	1074 utilWriteInt(gzFile, SAVE_GAME_VERSION);
rlm@1	1075
rlm@1	1076 // for simplicity, we put both types of battery files should be in the stream, even if one's empty
rlm@1	1077 eepromSaveGame(gzFile);
rlm@1	1078 flashSaveGame(gzFile);
rlm@1	1079
rlm@1	1080 return true;
rlm@1	1081 }
rlm@1	1082
rlm@1	1083 bool CPUWriteBatteryFile(const char *fileName)
rlm@1	1084 {
rlm@1	1085 if (gbaSaveType == 0)
rlm@1	1086 {
rlm@1	1087 if (eepromInUse)
rlm@1	1088 gbaSaveType = 3;
rlm@1	1089 else
rlm@1	1090 switch (saveType)
rlm@1	1091 {
rlm@1	1092 case 1:
rlm@1	1093 gbaSaveType = 1;
rlm@1	1094 break;
rlm@1	1095 case 2:
rlm@1	1096 gbaSaveType = 2;
rlm@1	1097 break;
rlm@1	1098 }
rlm@1	1099 }
rlm@1	1100
rlm@1	1101 if (gbaSaveType)
rlm@1	1102 {
rlm@1	1103 FILE *file = fopen(fileName, "wb");
rlm@1	1104
rlm@1	1105 if (!file)
rlm@1	1106 {
rlm@1	1107 systemMessage(MSG_ERROR_CREATING_FILE, N_("Error creating file %s"),
rlm@1	1108 fileName);
rlm@1	1109 return false;
rlm@1	1110 }
rlm@1	1111
rlm@1	1112 // only save if Flash/Sram in use or EEprom in use
rlm@1	1113 if (gbaSaveType != 3)
rlm@1	1114 {
rlm@1	1115 if (gbaSaveType == 2)
rlm@1	1116 {
rlm@1	1117 if (fwrite(flashSaveMemory, 1, flashSize, file) != (size_t)flashSize)
rlm@1	1118 {
rlm@1	1119 fclose(file);
rlm@1	1120 return false;
rlm@1	1121 }
rlm@1	1122 }
rlm@1	1123 else
rlm@1	1124 {
rlm@1	1125 if (fwrite(flashSaveMemory, 1, 0x10000, file) != 0x10000)
rlm@1	1126 {
rlm@1	1127 fclose(file);
rlm@1	1128 return false;
rlm@1	1129 }
rlm@1	1130 }
rlm@1	1131 }
rlm@1	1132 else
rlm@1	1133 {
rlm@1	1134 if (fwrite(eepromData, 1, eepromSize, file) != (size_t)eepromSize)
rlm@1	1135 {
rlm@1	1136 fclose(file);
rlm@1	1137 return false;
rlm@1	1138 }
rlm@1	1139 }
rlm@1	1140 fclose(file);
rlm@1	1141 }
rlm@1	1142
rlm@1	1143 return true;
rlm@1	1144 }
rlm@1	1145
rlm@1	1146 bool CPUReadGSASnapshot(const char *fileName)
rlm@1	1147 {
rlm@1	1148 int i;
rlm@1	1149 FILE *file = fopen(fileName, "rb");
rlm@1	1150
rlm@1	1151 if (!file)
rlm@1	1152 {
rlm@1	1153 systemMessage(MSG_CANNOT_OPEN_FILE, N_("Cannot open file %s"), fileName);
rlm@1	1154 return false;
rlm@1	1155 }
rlm@1	1156
rlm@1	1157 // check file size to know what we should read
rlm@1	1158 fseek(file, 0, SEEK_END);
rlm@1	1159
rlm@1	1160 // long size = ftell(file);
rlm@1	1161 fseek(file, 0x0, SEEK_SET);
rlm@1	1162 fread(&i, 1, 4, file);
rlm@1	1163 fseek(file, i, SEEK_CUR); // Skip SharkPortSave
rlm@1	1164 fseek(file, 4, SEEK_CUR); // skip some sort of flag
rlm@1	1165 fread(&i, 1, 4, file); // name length
rlm@1	1166 fseek(file, i, SEEK_CUR); // skip name
rlm@1	1167 fread(&i, 1, 4, file); // desc length
rlm@1	1168 fseek(file, i, SEEK_CUR); // skip desc
rlm@1	1169 fread(&i, 1, 4, file); // notes length
rlm@1	1170 fseek(file, i, SEEK_CUR); // skip notes
rlm@1	1171 int saveSize;
rlm@1	1172 fread(&saveSize, 1, 4, file); // read length
rlm@1	1173 saveSize -= 0x1c; // remove header size
rlm@1	1174 char buffer[17];
rlm@1	1175 char buffer2[17];
rlm@1	1176 fread(buffer, 1, 16, file);
rlm@1	1177 buffer[16] = 0;
rlm@1	1178 for (i = 0; i < 16; i++)
rlm@1	1179 if (buffer[i] < 32)
rlm@1	1180 buffer[i] = 32;
rlm@1	1181 memcpy(buffer2, &rom[0xa0], 16);
rlm@1	1182 buffer2[16] = 0;
rlm@1	1183 for (i = 0; i < 16; i++)
rlm@1	1184 if (buffer2[i] < 32)
rlm@1	1185 buffer2[i] = 32;
rlm@1	1186 if (memcmp(buffer, buffer2, 16))
rlm@1	1187 {
rlm@1	1188 systemMessage(MSG_CANNOT_IMPORT_SNAPSHOT_FOR,
rlm@1	1189 N_("Cannot import snapshot for %s. Current game is %s"),
rlm@1	1190 buffer,
rlm@1	1191 buffer2);
rlm@1	1192 fclose(file);
rlm@1	1193 return false;
rlm@1	1194 }
rlm@1	1195 fseek(file, 12, SEEK_CUR); // skip some flags
rlm@1	1196 if (saveSize >= 65536)
rlm@1	1197 {
rlm@1	1198 if (fread(flashSaveMemory, 1, saveSize, file) != (size_t)saveSize)
rlm@1	1199 {
rlm@1	1200 fclose(file);
rlm@1	1201 return false;
rlm@1	1202 }
rlm@1	1203 }
rlm@1	1204 else
rlm@1	1205 {
rlm@1	1206 systemMessage(MSG_UNSUPPORTED_SNAPSHOT_FILE,
rlm@1	1207 N_("Unsupported snapshot file %s"),
rlm@1	1208 fileName);
rlm@1	1209 fclose(file);
rlm@1	1210 return false;
rlm@1	1211 }
rlm@1	1212 fclose(file);
rlm@1	1213 CPUReset();
rlm@1	1214 return true;
rlm@1	1215 }
rlm@1	1216
rlm@1	1217 bool CPUWriteGSASnapshot(const char *fileName,
rlm@1	1218 const char *title,
rlm@1	1219 const char *desc,
rlm@1	1220 const char *notes)
rlm@1	1221 {
rlm@1	1222 FILE *file = fopen(fileName, "wb");
rlm@1	1223
rlm@1	1224 if (!file)
rlm@1	1225 {
rlm@1	1226 systemMessage(MSG_CANNOT_OPEN_FILE, N_("Cannot open file %s"), fileName);
rlm@1	1227 return false;
rlm@1	1228 }
rlm@1	1229
rlm@1	1230 u8 buffer[17];
rlm@1	1231
rlm@1	1232 utilPutDword(buffer, 0x0d); // SharkPortSave length
rlm@1	1233 fwrite(buffer, 1, 4, file);
rlm@1	1234 fwrite("SharkPortSave", 1, 0x0d, file);
rlm@1	1235 utilPutDword(buffer, 0x000f0000);
rlm@1	1236 fwrite(buffer, 1, 4, file); // save type 0x000f0000 = GBA save
rlm@1	1237 utilPutDword(buffer, strlen(title));
rlm@1	1238 fwrite(buffer, 1, 4, file); // title length
rlm@1	1239 fwrite(title, 1, strlen(title), file);
rlm@1	1240 utilPutDword(buffer, strlen(desc));
rlm@1	1241 fwrite(buffer, 1, 4, file); // desc length
rlm@1	1242 fwrite(desc, 1, strlen(desc), file);
rlm@1	1243 utilPutDword(buffer, strlen(notes));
rlm@1	1244 fwrite(buffer, 1, 4, file); // notes length
rlm@1	1245 fwrite(notes, 1, strlen(notes), file);
rlm@1	1246 int saveSize = 0x10000;
rlm@1	1247 if (gbaSaveType == 2)
rlm@1	1248 saveSize = flashSize;
rlm@1	1249 int totalSize = saveSize + 0x1c;
rlm@1	1250
rlm@1	1251 utilPutDword(buffer, totalSize); // length of remainder of save - CRC
rlm@1	1252 fwrite(buffer, 1, 4, file);
rlm@1	1253
rlm@1	1254 char temp[0x2001c];
rlm@1	1255 memset(temp, 0, 28);
rlm@1	1256 memcpy(temp, &rom[0xa0], 16); // copy internal name
rlm@1	1257 temp[0x10] = rom[0xbe]; // reserved area (old checksum)
rlm@1	1258 temp[0x11] = rom[0xbf]; // reserved area (old checksum)
rlm@1	1259 temp[0x12] = rom[0xbd]; // complement check
rlm@1	1260 temp[0x13] = rom[0xb0]; // maker
rlm@1	1261 temp[0x14] = 1; // 1 save ?
rlm@1	1262 memcpy(&temp[0x1c], flashSaveMemory, saveSize); // copy save
rlm@1	1263 fwrite(temp, 1, totalSize, file); // write save + header
rlm@1	1264 u32 crc = 0;
rlm@1	1265
rlm@1	1266 for (int i = 0; i < totalSize; i++)
rlm@1	1267 {
rlm@1	1268 crc += ((u32)temp[i] << (crc % 0x18));
rlm@1	1269 }
rlm@1	1270
rlm@1	1271 utilPutDword(buffer, crc);
rlm@1	1272 fwrite(buffer, 1, 4, file); // CRC?
rlm@1	1273
rlm@1	1274 fclose(file);
rlm@1	1275 return true;
rlm@1	1276 }
rlm@1	1277
rlm@1	1278 bool CPUImportEepromFile(const char *fileName)
rlm@1	1279 {
rlm@1	1280 FILE *file = fopen(fileName, "rb");
rlm@1	1281
rlm@1	1282 if (!file)
rlm@1	1283 return false;
rlm@1	1284
rlm@1	1285 // check file size to know what we should read
rlm@1	1286 fseek(file, 0, SEEK_END);
rlm@1	1287
rlm@1	1288 long size = ftell(file);
rlm@1	1289 fseek(file, 0, SEEK_SET);
rlm@1	1290 if (size == 512 \|\| size == 0x2000)
rlm@1	1291 {
rlm@1	1292 if (fread(eepromData, 1, size, file) != (size_t)size)
rlm@1	1293 {
rlm@1	1294 fclose(file);
rlm@1	1295 return false;
rlm@1	1296 }
rlm@1	1297 for (int i = 0; i < size; )
rlm@1	1298 {
rlm@1	1299 u8 tmp = eepromData[i];
rlm@1	1300 eepromData[i] = eepromData[7 - i];
rlm@1	1301 eepromData[7 - i] = tmp;
rlm@1	1302 i++;
rlm@1	1303 tmp = eepromData[i];
rlm@1	1304 eepromData[i] = eepromData[7 - i];
rlm@1	1305 eepromData[7 - i] = tmp;
rlm@1	1306 i++;
rlm@1	1307 tmp = eepromData[i];
rlm@1	1308 eepromData[i] = eepromData[7 - i];
rlm@1	1309 eepromData[7 - i] = tmp;
rlm@1	1310 i++;
rlm@1	1311 tmp = eepromData[i];
rlm@1	1312 eepromData[i] = eepromData[7 - i];
rlm@1	1313 eepromData[7 - i] = tmp;
rlm@1	1314 i++;
rlm@1	1315 i += 4;
rlm@1	1316 }
rlm@1	1317 }
rlm@1	1318 else
rlm@1	1319 {
rlm@1	1320 fclose(file);
rlm@1	1321 return false;
rlm@1	1322 }
rlm@1	1323 fclose(file);
rlm@1	1324 return true;
rlm@1	1325 }
rlm@1	1326
rlm@1	1327 bool CPUReadBatteryFromStream(gzFile gzFile)
rlm@1	1328 {
rlm@1	1329 if (!gzFile)
rlm@1	1330 return false;
rlm@1	1331
rlm@1	1332 int version = utilReadInt(gzFile);
rlm@1	1333
rlm@1	1334 // for simplicity, we put both types of battery files should be in the stream, even if one's empty
rlm@1	1335 eepromReadGame(gzFile, version);
rlm@1	1336 flashReadGame(gzFile, version);
rlm@1	1337
rlm@1	1338 return true;
rlm@1	1339 }
rlm@1	1340
rlm@1	1341 bool CPUReadBatteryFile(const char *fileName)
rlm@1	1342 {
rlm@1	1343 FILE *file = fopen(fileName, "rb");
rlm@1	1344
rlm@1	1345 if (!file)
rlm@1	1346 return false;
rlm@1	1347
rlm@1	1348 // check file size to know what we should read
rlm@1	1349 fseek(file, 0, SEEK_END);
rlm@1	1350
rlm@1	1351 long size = ftell(file);
rlm@1	1352 fseek(file, 0, SEEK_SET);
rlm@1	1353 systemSaveUpdateCounter = SYSTEM_SAVE_NOT_UPDATED;
rlm@1	1354
rlm@1	1355 if (size == 512 \|\| size == 0x2000)
rlm@1	1356 {
rlm@1	1357 if (fread(eepromData, 1, size, file) != (size_t)size)
rlm@1	1358 {
rlm@1	1359 fclose(file);
rlm@1	1360 return false;
rlm@1	1361 }
rlm@1	1362 }
rlm@1	1363 else
rlm@1	1364 {
rlm@1	1365 if (size == 0x20000)
rlm@1	1366 {
rlm@1	1367 if (fread(flashSaveMemory, 1, 0x20000, file) != 0x20000)
rlm@1	1368 {
rlm@1	1369 fclose(file);
rlm@1	1370 return false;
rlm@1	1371 }
rlm@1	1372 flashSetSize(0x20000);
rlm@1	1373 }
rlm@1	1374 else
rlm@1	1375 {
rlm@1	1376 if (fread(flashSaveMemory, 1, 0x10000, file) != 0x10000)
rlm@1	1377 {
rlm@1	1378 fclose(file);
rlm@1	1379 return false;
rlm@1	1380 }
rlm@1	1381 flashSetSize(0x10000);
rlm@1	1382 }
rlm@1	1383 }
rlm@1	1384 fclose(file);
rlm@1	1385 return true;
rlm@1	1386 }
rlm@1	1387
rlm@1	1388 bool CPUWritePNGFile(const char *fileName)
rlm@1	1389 {
rlm@1	1390 return utilWritePNGFile(fileName, 240, 160, pix);
rlm@1	1391 }
rlm@1	1392
rlm@1	1393 bool CPUWriteBMPFile(const char *fileName)
rlm@1	1394 {
rlm@1	1395 return utilWriteBMPFile(fileName, 240, 160, pix);
rlm@1	1396 }
rlm@1	1397
rlm@1	1398 void CPUCleanUp()
rlm@1	1399 {
rlm@1	1400 newFrame = true;
rlm@1	1401
rlm@1	1402 GBASystemCounters.frameCount = 0;
rlm@1	1403 GBASystemCounters.lagCount = 0;
rlm@1	1404 GBASystemCounters.extraCount = 0;
rlm@1	1405 GBASystemCounters.lagged = true;
rlm@1	1406 GBASystemCounters.laggedLast = true;
rlm@1	1407
rlm@1	1408 #ifdef PROFILING
rlm@1	1409 if (profilingTicksReload)
rlm@1	1410 {
rlm@1	1411 profCleanup();
rlm@1	1412 }
rlm@1	1413 #endif
rlm@1	1414
rlm@1	1415 #if (defined(WIN32) && !defined(SDL))
rlm@1	1416 #define FreeMappedMem(name, mapName, offset) \
rlm@1	1417 if (name != NULL) { \
rlm@1	1418 UnmapViewOfFile((name) - (offset)); \
rlm@1	1419 name = NULL; \
rlm@1	1420 CloseHandle(mapName); \
rlm@1	1421 }
rlm@1	1422 #else
rlm@1	1423 #define FreeMappedMem(name, mapName, offset) \
rlm@1	1424 if (name != NULL) { \
rlm@1	1425 free(name); \
rlm@1	1426 name = NULL; \
rlm@1	1427 }
rlm@1	1428 #endif
rlm@1	1429
rlm@1	1430 FreeMappedMem(rom, mapROM, 0);
rlm@1	1431 FreeMappedMem(vram, mapVRAM, 0);
rlm@1	1432 FreeMappedMem(paletteRAM, mapPALETTERAM, 0);
rlm@1	1433 FreeMappedMem(internalRAM, mapIRAM, 0);
rlm@1	1434 FreeMappedMem(workRAM, mapWORKRAM, 0);
rlm@1	1435 FreeMappedMem(bios, mapBIOS, 0);
rlm@1	1436 FreeMappedMem(pix, mapPIX, 4);
rlm@1	1437 FreeMappedMem(oam, mapOAM, 0);
rlm@1	1438 FreeMappedMem(ioMem, mapIOMEM, 0);
rlm@1	1439
rlm@1	1440 eepromErase();
rlm@1	1441 flashErase();
rlm@1	1442
rlm@1	1443 elfCleanUp();
rlm@1	1444
rlm@1	1445 systemSaveUpdateCounter = SYSTEM_SAVE_NOT_UPDATED;
rlm@1	1446
rlm@1	1447 systemClearJoypads();
rlm@1	1448 systemResetSensor();
rlm@1	1449
rlm@1	1450 // gbaLastTime = gbaFrameCount = 0;
rlm@1	1451 systemRefreshScreen();
rlm@1	1452 }
rlm@1	1453
rlm@1	1454 int CPULoadRom(const char *szFile)
rlm@1	1455 {
rlm@1	1456 int size = 0x2000000;
rlm@1	1457
rlm@1	1458 if (rom != NULL)
rlm@1	1459 {
rlm@1	1460 CPUCleanUp();
rlm@1	1461 }
rlm@1	1462
rlm@1	1463 systemSaveUpdateCounter = SYSTEM_SAVE_NOT_UPDATED;
rlm@1	1464
rlm@1	1465 // size+4 is so RAM search and watch are safe to read any byte in the allocated region as a 4-byte int
rlm@1	1466 #if (defined(WIN32) && !defined(SDL))
rlm@1	1467 #define AllocMappedMem(name, mapName, nameStr, size, useCalloc, offset) \
rlm@1	1468 mapName = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE, 0, (size) + (offset) + (4), nameStr); \
rlm@1	1469 if ((mapName) && GetLastError() == ERROR_ALREADY_EXISTS) { \
rlm@1	1470 CloseHandle(mapName); \
rlm@1	1471 mapName = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE, 0, (size) + (offset) + (4), NULL); \
rlm@1	1472 } \
rlm@1	1473 name = (u8 *)MapViewOfFile(mapName, FILE_MAP_WRITE, 0, 0, 0) + (offset); \
rlm@1	1474 if ((name) == NULL) { \
rlm@1	1475 systemMessage(MSG_OUT_OF_MEMORY, N_("Failed to allocate memory for %s"), nameStr); \
rlm@1	1476 CPUCleanUp(); \
rlm@1	1477 return 0; \
rlm@1	1478 } \
rlm@1	1479 memset(name, 0, size + 4);
rlm@1	1480 #else
rlm@1	1481 #define AllocMappedMem(name, mapName, nameStr, size, useCalloc, offset) \
rlm@1	1482 name = (u8 *)(useCalloc ? calloc(1, size + 4) : malloc(size + 4)); \
rlm@1	1483 if ((name) == NULL) { \
rlm@1	1484 systemMessage(MSG_OUT_OF_MEMORY, N_("Failed to allocate memory for %s"), nameStr); \
rlm@1	1485 CPUCleanUp(); \
rlm@1	1486 return 0; \
rlm@1	1487 } \
rlm@1	1488 memset(name, 0, size + 4);
rlm@1	1489 #endif
rlm@1	1490
rlm@1	1491 AllocMappedMem(rom, mapROM, "vbaROM", 0x2000000, false, 0);
rlm@1	1492 AllocMappedMem(workRAM, mapWORKRAM, "vbaWORKRAM", 0x40000, true, 0);
rlm@1	1493
rlm@1	1494 u8 *whereToLoad = rom;
rlm@1	1495 if (cpuIsMultiBoot)
rlm@1	1496 whereToLoad = workRAM;
rlm@1	1497
rlm@1	1498 if (utilIsELF(szFile))
rlm@1	1499 {
rlm@1	1500 FILE *f = fopen(szFile, "rb");
rlm@1	1501 if (!f)
rlm@1	1502 {
rlm@1	1503 systemMessage(MSG_ERROR_OPENING_IMAGE, N_("Error opening image %s"),
rlm@1	1504 szFile);
rlm@1	1505 FreeMappedMem(rom, mapROM, 0);
rlm@1	1506 FreeMappedMem(workRAM, mapWORKRAM, 0);
rlm@1	1507 return 0;
rlm@1	1508 }
rlm@1	1509 bool res = elfRead(szFile, size, f);
rlm@1	1510 if (!res \|\| size == 0)
rlm@1	1511 {
rlm@1	1512 FreeMappedMem(rom, mapROM, 0);
rlm@1	1513 FreeMappedMem(workRAM, mapWORKRAM, 0);
rlm@1	1514 elfCleanUp();
rlm@1	1515 return 0;
rlm@1	1516 }
rlm@1	1517 }
rlm@1	1518 else if (!utilLoad(szFile,
rlm@1	1519 utilIsGBAImage,
rlm@1	1520 whereToLoad,
rlm@1	1521 size))
rlm@1	1522 {
rlm@1	1523 FreeMappedMem(rom, mapROM, 0);
rlm@1	1524 FreeMappedMem(workRAM, mapWORKRAM, 0);
rlm@1	1525 return 0;
rlm@1	1526 }
rlm@1	1527
rlm@1	1528 u16 temp = (u16 )(rom + ((size + 1) & ~1));
rlm@1	1529 int i;
rlm@1	1530 for (i = (size + 1) & ~1; i < 0x2000000; i += 2)
rlm@1	1531 {
rlm@1	1532 WRITE16LE(temp, (i >> 1) & 0xFFFF);
rlm@1	1533 temp++;
rlm@1	1534 }
rlm@1	1535
rlm@1	1536 AllocMappedMem(bios, mapBIOS, "vbaBIOS", 0x4000, true, 0);
rlm@1	1537 AllocMappedMem(internalRAM, mapIRAM, "vbaIRAM", 0x8000, true, 0);
rlm@1	1538 AllocMappedMem(paletteRAM, mapPALETTERAM, "vbaPALETTERAM", 0x400, true, 0);
rlm@1	1539 AllocMappedMem(vram, mapVRAM, "vbaVRAM", 0x20000, true, 0);
rlm@1	1540 AllocMappedMem(oam, mapOAM, "vbaOAM", 0x400, true, 0);
rlm@1	1541
rlm@1	1542 // HACK: +4 at start to accomodate the 2xSaI filter reading out of bounds of the leftmost pixel
rlm@1	1543 AllocMappedMem(pix, mapPIX, "vbaPIX", 4 * 241 * 162, true, 4);
rlm@1	1544 AllocMappedMem(ioMem, mapIOMEM, "vbaIOMEM", 0x400, true, 0);
rlm@1	1545
rlm@1	1546 CPUUpdateRenderBuffers(true);
rlm@1	1547
rlm@1	1548 return size;
rlm@1	1549 }
rlm@1	1550
rlm@1	1551 void CPUUpdateRender()
rlm@1	1552 {
rlm@1	1553 switch (DISPCNT & 7)
rlm@1	1554 {
rlm@1	1555 case 0:
rlm@1	1556 if ((!fxOn && !windowOn && !(layerEnable & 0x8000)) \|\|
rlm@1	1557 cpuDisableSfx)
rlm@1	1558 renderLine = mode0RenderLine;
rlm@1	1559 else if (fxOn && !windowOn && !(layerEnable & 0x8000))
rlm@1	1560 renderLine = mode0RenderLineNoWindow;
rlm@1	1561 else
rlm@1	1562 renderLine = mode0RenderLineAll;
rlm@1	1563 break;
rlm@1	1564 case 1:
rlm@1	1565 if ((!fxOn && !windowOn && !(layerEnable & 0x8000)) \|\|
rlm@1	1566 cpuDisableSfx)
rlm@1	1567 renderLine = mode1RenderLine;
rlm@1	1568 else if (fxOn && !windowOn && !(layerEnable & 0x8000))
rlm@1	1569 renderLine = mode1RenderLineNoWindow;
rlm@1	1570 else
rlm@1	1571 renderLine = mode1RenderLineAll;
rlm@1	1572 break;
rlm@1	1573 case 2:
rlm@1	1574 if ((!fxOn && !windowOn && !(layerEnable & 0x8000)) \|\|
rlm@1	1575 cpuDisableSfx)
rlm@1	1576 renderLine = mode2RenderLine;
rlm@1	1577 else if (fxOn && !windowOn && !(layerEnable & 0x8000))
rlm@1	1578 renderLine = mode2RenderLineNoWindow;
rlm@1	1579 else
rlm@1	1580 renderLine = mode2RenderLineAll;
rlm@1	1581 break;
rlm@1	1582 case 3:
rlm@1	1583 if ((!fxOn && !windowOn && !(layerEnable & 0x8000)) \|\|
rlm@1	1584 cpuDisableSfx)
rlm@1	1585 renderLine = mode3RenderLine;
rlm@1	1586 else if (fxOn && !windowOn && !(layerEnable & 0x8000))
rlm@1	1587 renderLine = mode3RenderLineNoWindow;
rlm@1	1588 else
rlm@1	1589 renderLine = mode3RenderLineAll;
rlm@1	1590 break;
rlm@1	1591 case 4:
rlm@1	1592 if ((!fxOn && !windowOn && !(layerEnable & 0x8000)) \|\|
rlm@1	1593 cpuDisableSfx)
rlm@1	1594 renderLine = mode4RenderLine;
rlm@1	1595 else if (fxOn && !windowOn && !(layerEnable & 0x8000))
rlm@1	1596 renderLine = mode4RenderLineNoWindow;
rlm@1	1597 else
rlm@1	1598 renderLine = mode4RenderLineAll;
rlm@1	1599 break;
rlm@1	1600 case 5:
rlm@1	1601 if ((!fxOn && !windowOn && !(layerEnable & 0x8000)) \|\|
rlm@1	1602 cpuDisableSfx)
rlm@1	1603 renderLine = mode5RenderLine;
rlm@1	1604 else if (fxOn && !windowOn && !(layerEnable & 0x8000))
rlm@1	1605 renderLine = mode5RenderLineNoWindow;
rlm@1	1606 else
rlm@1	1607 renderLine = mode5RenderLineAll;
rlm@1	1608 default:
rlm@1	1609 break;
rlm@1	1610 }
rlm@1	1611 }
rlm@1	1612
rlm@1	1613 void CPUUpdateCPSR()
rlm@1	1614 {
rlm@1	1615 u32 CPSR = reg[16].I & 0x40;
rlm@1	1616 if (N_FLAG)
rlm@1	1617 CPSR \|= 0x80000000;
rlm@1	1618 if (Z_FLAG)
rlm@1	1619 CPSR \|= 0x40000000;
rlm@1	1620 if (C_FLAG)
rlm@1	1621 CPSR \|= 0x20000000;
rlm@1	1622 if (V_FLAG)
rlm@1	1623 CPSR \|= 0x10000000;
rlm@1	1624 if (!armState)
rlm@1	1625 CPSR \|= 0x00000020;
rlm@1	1626 if (!armIrqEnable)
rlm@1	1627 CPSR \|= 0x80;
rlm@1	1628 CPSR \|= (armMode & 0x1F);
rlm@1	1629 reg[16].I = CPSR;
rlm@1	1630 }
rlm@1	1631
rlm@1	1632 void CPUUpdateFlags(bool breakLoop)
rlm@1	1633 {
rlm@1	1634 u32 CPSR = reg[16].I;
rlm@1	1635
rlm@1	1636 N_FLAG = (CPSR & 0x80000000) ? true : false;
rlm@1	1637 Z_FLAG = (CPSR & 0x40000000) ? true : false;
rlm@1	1638 C_FLAG = (CPSR & 0x20000000) ? true : false;
rlm@1	1639 V_FLAG = (CPSR & 0x10000000) ? true : false;
rlm@1	1640 armState = (CPSR & 0x20) ? false : true;
rlm@1	1641 armIrqEnable = (CPSR & 0x80) ? false : true;
rlm@1	1642 if (breakLoop)
rlm@1	1643 {
rlm@1	1644 if (armIrqEnable && (IF & IE) && (IME & 1))
rlm@1	1645 {
rlm@1	1646 CPU_BREAK_LOOP_2;
rlm@1	1647 }
rlm@1	1648 }
rlm@1	1649 }
rlm@1	1650
rlm@1	1651 void CPUUpdateFlags()
rlm@1	1652 {
rlm@1	1653 CPUUpdateFlags(true);
rlm@1	1654 }
rlm@1	1655
rlm@1	1656 #ifdef WORDS_BIGENDIAN
rlm@1	1657 static void CPUSwap(volatile u32 a, volatile u32 b)
rlm@1	1658 {
rlm@1	1659 volatile u32 c = *b;
rlm@1	1660 b = a;
rlm@1	1661 *a = c;
rlm@1	1662 }
rlm@1	1663
rlm@1	1664 #else
rlm@1	1665 static void CPUSwap(u32 a, u32 b)
rlm@1	1666 {
rlm@1	1667 u32 c = *b;
rlm@1	1668 b = a;
rlm@1	1669 *a = c;
rlm@1	1670 }
rlm@1	1671
rlm@1	1672 #endif
rlm@1	1673
rlm@1	1674 void CPUSwitchMode(int mode, bool saveState, bool breakLoop)
rlm@1	1675 {
rlm@1	1676 // if(armMode == mode)
rlm@1	1677 // return;
rlm@1	1678
rlm@1	1679 CPUUpdateCPSR();
rlm@1	1680
rlm@1	1681 switch (armMode)
rlm@1	1682 {
rlm@1	1683 case 0x10:
rlm@1	1684 case 0x1F:
rlm@1	1685 reg[R13_USR].I = reg[13].I;
rlm@1	1686 reg[R14_USR].I = reg[14].I;
rlm@1	1687 reg[17].I = reg[16].I;
rlm@1	1688 break;
rlm@1	1689 case 0x11:
rlm@1	1690 CPUSwap(&reg[R8_FIQ].I, &reg[8].I);
rlm@1	1691 CPUSwap(&reg[R9_FIQ].I, &reg[9].I);
rlm@1	1692 CPUSwap(&reg[R10_FIQ].I, &reg[10].I);
rlm@1	1693 CPUSwap(&reg[R11_FIQ].I, &reg[11].I);
rlm@1	1694 CPUSwap(&reg[R12_FIQ].I, &reg[12].I);
rlm@1	1695 reg[R13_FIQ].I = reg[13].I;
rlm@1	1696 reg[R14_FIQ].I = reg[14].I;
rlm@1	1697 reg[SPSR_FIQ].I = reg[17].I;
rlm@1	1698 break;
rlm@1	1699 case 0x12:
rlm@1	1700 reg[R13_IRQ].I = reg[13].I;
rlm@1	1701 reg[R14_IRQ].I = reg[14].I;
rlm@1	1702 reg[SPSR_IRQ].I = reg[17].I;
rlm@1	1703 break;
rlm@1	1704 case 0x13:
rlm@1	1705 reg[R13_SVC].I = reg[13].I;
rlm@1	1706 reg[R14_SVC].I = reg[14].I;
rlm@1	1707 reg[SPSR_SVC].I = reg[17].I;
rlm@1	1708 break;
rlm@1	1709 case 0x17:
rlm@1	1710 reg[R13_ABT].I = reg[13].I;
rlm@1	1711 reg[R14_ABT].I = reg[14].I;
rlm@1	1712 reg[SPSR_ABT].I = reg[17].I;
rlm@1	1713 break;
rlm@1	1714 case 0x1b:
rlm@1	1715 reg[R13_UND].I = reg[13].I;
rlm@1	1716 reg[R14_UND].I = reg[14].I;
rlm@1	1717 reg[SPSR_UND].I = reg[17].I;
rlm@1	1718 break;
rlm@1	1719 }
rlm@1	1720
rlm@1	1721 u32 CPSR = reg[16].I;
rlm@1	1722 u32 SPSR = reg[17].I;
rlm@1	1723
rlm@1	1724 switch (mode)
rlm@1	1725 {
rlm@1	1726 case 0x10:
rlm@1	1727 case 0x1F:
rlm@1	1728 reg[13].I = reg[R13_USR].I;
rlm@1	1729 reg[14].I = reg[R14_USR].I;
rlm@1	1730 reg[16].I = SPSR;
rlm@1	1731 break;
rlm@1	1732 case 0x11:
rlm@1	1733 CPUSwap(&reg[8].I, &reg[R8_FIQ].I);
rlm@1	1734 CPUSwap(&reg[9].I, &reg[R9_FIQ].I);
rlm@1	1735 CPUSwap(&reg[10].I, &reg[R10_FIQ].I);
rlm@1	1736 CPUSwap(&reg[11].I, &reg[R11_FIQ].I);
rlm@1	1737 CPUSwap(&reg[12].I, &reg[R12_FIQ].I);
rlm@1	1738 reg[13].I = reg[R13_FIQ].I;
rlm@1	1739 reg[14].I = reg[R14_FIQ].I;
rlm@1	1740 if (saveState)
rlm@1	1741 reg[17].I = CPSR;
rlm@1	1742 else
rlm@1	1743 reg[17].I = reg[SPSR_FIQ].I;
rlm@1	1744 break;
rlm@1	1745 case 0x12:
rlm@1	1746 reg[13].I = reg[R13_IRQ].I;
rlm@1	1747 reg[14].I = reg[R14_IRQ].I;
rlm@1	1748 reg[16].I = SPSR;
rlm@1	1749 if (saveState)
rlm@1	1750 reg[17].I = CPSR;
rlm@1	1751 else
rlm@1	1752 reg[17].I = reg[SPSR_IRQ].I;
rlm@1	1753 break;
rlm@1	1754 case 0x13:
rlm@1	1755 reg[13].I = reg[R13_SVC].I;
rlm@1	1756 reg[14].I = reg[R14_SVC].I;
rlm@1	1757 reg[16].I = SPSR;
rlm@1	1758 if (saveState)
rlm@1	1759 reg[17].I = CPSR;
rlm@1	1760 else
rlm@1	1761 reg[17].I = reg[SPSR_SVC].I;
rlm@1	1762 break;
rlm@1	1763 case 0x17:
rlm@1	1764 reg[13].I = reg[R13_ABT].I;
rlm@1	1765 reg[14].I = reg[R14_ABT].I;
rlm@1	1766 reg[16].I = SPSR;
rlm@1	1767 if (saveState)
rlm@1	1768 reg[17].I = CPSR;
rlm@1	1769 else
rlm@1	1770 reg[17].I = reg[SPSR_ABT].I;
rlm@1	1771 break;
rlm@1	1772 case 0x1b:
rlm@1	1773 reg[13].I = reg[R13_UND].I;
rlm@1	1774 reg[14].I = reg[R14_UND].I;
rlm@1	1775 reg[16].I = SPSR;
rlm@1	1776 if (saveState)
rlm@1	1777 reg[17].I = CPSR;
rlm@1	1778 else
rlm@1	1779 reg[17].I = reg[SPSR_UND].I;
rlm@1	1780 break;
rlm@1	1781 default:
rlm@1	1782 systemMessage(MSG_UNSUPPORTED_ARM_MODE, N_("Unsupported ARM mode %02x"), mode);
rlm@1	1783 break;
rlm@1	1784 }
rlm@1	1785 armMode = mode;
rlm@1	1786 CPUUpdateFlags(breakLoop);
rlm@1	1787 CPUUpdateCPSR();
rlm@1	1788 }
rlm@1	1789
rlm@1	1790 void CPUSwitchMode(int mode, bool saveState)
rlm@1	1791 {
rlm@1	1792 CPUSwitchMode(mode, saveState, true);
rlm@1	1793 }
rlm@1	1794
rlm@1	1795 void CPUUndefinedException()
rlm@1	1796 {
rlm@1	1797 u32 PC = reg[15].I;
rlm@1	1798 bool savedArmState = armState;
rlm@1	1799 CPUSwitchMode(0x1b, true, false);
rlm@1	1800 reg[14].I = PC - (savedArmState ? 4 : 2);
rlm@1	1801 reg[15].I = 0x04;
rlm@1	1802 armState = true;
rlm@1	1803 armIrqEnable = false;
rlm@1	1804 armNextPC = 0x04;
rlm@1	1805 reg[15].I += 4;
rlm@1	1806 }
rlm@1	1807
rlm@1	1808 void CPUSoftwareInterrupt()
rlm@1	1809 {
rlm@1	1810 u32 PC = reg[15].I;
rlm@1	1811 bool savedArmState = armState;
rlm@1	1812 CPUSwitchMode(0x13, true, false);
rlm@1	1813 reg[14].I = PC - (savedArmState ? 4 : 2);
rlm@1	1814 reg[15].I = 0x08;
rlm@1	1815 armState = true;
rlm@1	1816 armIrqEnable = false;
rlm@1	1817 armNextPC = 0x08;
rlm@1	1818 reg[15].I += 4;
rlm@1	1819 }
rlm@1	1820
rlm@1	1821 void CPUSoftwareInterrupt(int comment)
rlm@1	1822 {
rlm@1	1823 static bool disableMessage = false;
rlm@1	1824 if (armState)
rlm@1	1825 comment >>= 16;
rlm@1	1826 #ifdef BKPT_SUPPORT
rlm@1	1827 if (comment == 0xff)
rlm@1	1828 {
rlm@1	1829 extern void (dbgOutput)(char , u32);
rlm@1	1830 dbgOutput(NULL, reg[0].I);
rlm@1	1831 return;
rlm@1	1832 }
rlm@1	1833 #endif
rlm@1	1834 #ifdef PROFILING
rlm@1	1835 if (comment == 0xfe)
rlm@1	1836 {
rlm@1	1837 profStartup(reg[0].I, reg[1].I);
rlm@1	1838 return;
rlm@1	1839 }
rlm@1	1840 if (comment == 0xfd)
rlm@1	1841 {
rlm@1	1842 profControl(reg[0].I);
rlm@1	1843 return;
rlm@1	1844 }
rlm@1	1845 if (comment == 0xfc)
rlm@1	1846 {
rlm@1	1847 profCleanup();
rlm@1	1848 return;
rlm@1	1849 }
rlm@1	1850 if (comment == 0xfb)
rlm@1	1851 {
rlm@1	1852 profCount();
rlm@1	1853 return;
rlm@1	1854 }
rlm@1	1855 #endif
rlm@1	1856 if (comment == 0xfa)
rlm@1	1857 {
rlm@1	1858 agbPrintFlush();
rlm@1	1859 return;
rlm@1	1860 }
rlm@1	1861 #ifdef SDL
rlm@1	1862 if (comment == 0xf9)
rlm@1	1863 {
rlm@1	1864 emulating = 0;
rlm@1	1865 CPU_BREAK_LOOP_2;
rlm@1	1866 return;
rlm@1	1867 }
rlm@1	1868 #endif
rlm@1	1869 if (useBios)
rlm@1	1870 {
rlm@1	1871 #ifdef GBA_LOGGING
rlm@1	1872 if (systemVerbose & VERBOSE_SWI)
rlm@1	1873 {
rlm@1	1874 log("SWI: %08x at %08x (0x%08x,0x%08x,0x%08x,VCOUNT = %2d)\n", comment,
rlm@1	1875 armState ? armNextPC - 4 : armNextPC - 2,
rlm@1	1876 reg[0].I,
rlm@1	1877 reg[1].I,
rlm@1	1878 reg[2].I,
rlm@1	1879 VCOUNT);
rlm@1	1880 }
rlm@1	1881 #endif
rlm@1	1882 CPUSoftwareInterrupt();
rlm@1	1883 return;
rlm@1	1884 }
rlm@1	1885 // This would be correct, but it causes problems if uncommented
rlm@1	1886 // else {
rlm@1	1887 // biosProtected = 0xe3a02004;
rlm@1	1888 // }
rlm@1	1889
rlm@1	1890 switch (comment)
rlm@1	1891 {
rlm@1	1892 case 0x00:
rlm@1	1893 BIOS_SoftReset();
rlm@1	1894 break;
rlm@1	1895 case 0x01:
rlm@1	1896 BIOS_RegisterRamReset();
rlm@1	1897 break;
rlm@1	1898 case 0x02:
rlm@1	1899 #ifdef GBA_LOGGING
rlm@1	1900 if (systemVerbose & VERBOSE_SWI)
rlm@1	1901 {
rlm@1	1902 log("Halt: (VCOUNT = %2d)\n",
rlm@1	1903 VCOUNT);
rlm@1	1904 }
rlm@1	1905 #endif
rlm@1	1906 holdState = true;
rlm@1	1907 holdType = -1;
rlm@1	1908 break;
rlm@1	1909 case 0x03:
rlm@1	1910 #ifdef GBA_LOGGING
rlm@1	1911 if (systemVerbose & VERBOSE_SWI)
rlm@1	1912 {
rlm@1	1913 log("Stop: (VCOUNT = %2d)\n",
rlm@1	1914 VCOUNT);
rlm@1	1915 }
rlm@1	1916 #endif
rlm@1	1917 holdState = true;
rlm@1	1918 holdType = -1;
rlm@1	1919 stopState = true;
rlm@1	1920 break;
rlm@1	1921 case 0x04:
rlm@1	1922 #ifdef GBA_LOGGING
rlm@1	1923 if (systemVerbose & VERBOSE_SWI)
rlm@1	1924 {
rlm@1	1925 log("IntrWait: 0x%08x,0x%08x (VCOUNT = %2d)\n",
rlm@1	1926 reg[0].I,
rlm@1	1927 reg[1].I,
rlm@1	1928 VCOUNT);
rlm@1	1929 }
rlm@1	1930 #endif
rlm@1	1931 CPUSoftwareInterrupt();
rlm@1	1932 break;
rlm@1	1933 case 0x05:
rlm@1	1934 #ifdef GBA_LOGGING
rlm@1	1935 if (systemVerbose & VERBOSE_SWI)
rlm@1	1936 {
rlm@1	1937 log("VBlankIntrWait: (VCOUNT = %2d)\n",
rlm@1	1938 VCOUNT);
rlm@1	1939 }
rlm@1	1940 #endif
rlm@1	1941 CPUSoftwareInterrupt();
rlm@1	1942 break;
rlm@1	1943 case 0x06:
rlm@1	1944 CPUSoftwareInterrupt();
rlm@1	1945 break;
rlm@1	1946 case 0x07:
rlm@1	1947 CPUSoftwareInterrupt();
rlm@1	1948 break;
rlm@1	1949 case 0x08:
rlm@1	1950 BIOS_Sqrt();
rlm@1	1951 break;
rlm@1	1952 case 0x09:
rlm@1	1953 BIOS_ArcTan();
rlm@1	1954 break;
rlm@1	1955 case 0x0A:
rlm@1	1956 BIOS_ArcTan2();
rlm@1	1957 break;
rlm@1	1958 case 0x0B:
rlm@1	1959 BIOS_CpuSet();
rlm@1	1960 break;
rlm@1	1961 case 0x0C:
rlm@1	1962 BIOS_CpuFastSet();
rlm@1	1963 break;
rlm@1	1964 case 0x0E:
rlm@1	1965 BIOS_BgAffineSet();
rlm@1	1966 break;
rlm@1	1967 case 0x0F:
rlm@1	1968 BIOS_ObjAffineSet();
rlm@1	1969 break;
rlm@1	1970 case 0x10:
rlm@1	1971 BIOS_BitUnPack();
rlm@1	1972 break;
rlm@1	1973 case 0x11:
rlm@1	1974 BIOS_LZ77UnCompWram();
rlm@1	1975 break;
rlm@1	1976 case 0x12:
rlm@1	1977 BIOS_LZ77UnCompVram();
rlm@1	1978 break;
rlm@1	1979 case 0x13:
rlm@1	1980 BIOS_HuffUnComp();
rlm@1	1981 break;
rlm@1	1982 case 0x14:
rlm@1	1983 BIOS_RLUnCompWram();
rlm@1	1984 break;
rlm@1	1985 case 0x15:
rlm@1	1986 BIOS_RLUnCompVram();
rlm@1	1987 break;
rlm@1	1988 case 0x16:
rlm@1	1989 BIOS_Diff8bitUnFilterWram();
rlm@1	1990 break;
rlm@1	1991 case 0x17:
rlm@1	1992 BIOS_Diff8bitUnFilterVram();
rlm@1	1993 break;
rlm@1	1994 case 0x18:
rlm@1	1995 BIOS_Diff16bitUnFilter();
rlm@1	1996 break;
rlm@1	1997 case 0x19:
rlm@1	1998 #ifdef GBA_LOGGING
rlm@1	1999 if (systemVerbose & VERBOSE_SWI)
rlm@1	2000 {
rlm@1	2001 log("SoundBiasSet: 0x%08x (VCOUNT = %2d)\n",
rlm@1	2002 reg[0].I,
rlm@1	2003 VCOUNT);
rlm@1	2004 }
rlm@1	2005 #endif
rlm@1	2006 if (reg[0].I)
rlm@1	2007 soundPause();
rlm@1	2008 else
rlm@1	2009 soundResume();
rlm@1	2010 break;
rlm@1	2011 case 0x1F:
rlm@1	2012 BIOS_MidiKey2Freq();
rlm@1	2013 break;
rlm@1	2014 case 0x2A:
rlm@1	2015 BIOS_SndDriverJmpTableCopy();
rlm@1	2016 // let it go, because we don't really emulate this function // FIXME (?)
rlm@1	2017 default:
rlm@1	2018 #ifdef GBA_LOGGING
rlm@1	2019 if (systemVerbose & VERBOSE_SWI)
rlm@1	2020 {
rlm@1	2021 log("SWI: %08x at %08x (0x%08x,0x%08x,0x%08x,VCOUNT = %2d)\n", comment,
rlm@1	2022 armState ? armNextPC - 4 : armNextPC - 2,
rlm@1	2023 reg[0].I,
rlm@1	2024 reg[1].I,
rlm@1	2025 reg[2].I,
rlm@1	2026 VCOUNT);
rlm@1	2027 }
rlm@1	2028 #endif
rlm@1	2029
rlm@1	2030 if (!disableMessage)
rlm@1	2031 {
rlm@1	2032 systemMessage(MSG_UNSUPPORTED_BIOS_FUNCTION,
rlm@1	2033 N_(
rlm@1	2034 "Unsupported BIOS function %02x called from %08x. A BIOS file is needed in order to get correct behaviour."),
rlm@1	2035 comment,
rlm@1	2036 armMode ? armNextPC - 4 : armNextPC - 2);
rlm@1	2037 disableMessage = true;
rlm@1	2038 }
rlm@1	2039 break;
rlm@1	2040 }
rlm@1	2041 }
rlm@1	2042
rlm@1	2043 void CPUCompareVCOUNT()
rlm@1	2044 {
rlm@1	2045 if (VCOUNT == (DISPSTAT >> 8))
rlm@1	2046 {
rlm@1	2047 DISPSTAT \|= 4;
rlm@1	2048 UPDATE_REG(0x04, DISPSTAT);
rlm@1	2049
rlm@1	2050 if (DISPSTAT & 0x20)
rlm@1	2051 {
rlm@1	2052 IF \|= 4;
rlm@1	2053 UPDATE_REG(0x202, IF);
rlm@1	2054 }
rlm@1	2055 }
rlm@1	2056 else
rlm@1	2057 {
rlm@1	2058 DISPSTAT &= 0xFFFB;
rlm@1	2059 UPDATE_REG(0x4, DISPSTAT);
rlm@1	2060 }
rlm@1	2061 }
rlm@1	2062
rlm@1	2063 void doDMA(u32 &s, u32 &d, u32 si, u32 di, u32 c, int transfer32)
rlm@1	2064 {
rlm@1	2065 int sm = s >> 24;
rlm@1	2066 int dm = d >> 24;
rlm@1	2067
rlm@1	2068 int sc = c;
rlm@1	2069
rlm@1	2070 cpuDmaCount = c;
rlm@1	2071
rlm@1	2072 if (transfer32)
rlm@1	2073 {
rlm@1	2074 s &= 0xFFFFFFFC;
rlm@1	2075 if (s < 0x02000000 && (reg[15].I >> 24))
rlm@1	2076 {
rlm@1	2077 while (c != 0)
rlm@1	2078 {
rlm@1	2079 CPUWriteMemory(d, 0);
rlm@1	2080 d += di;
rlm@1	2081 c--;
rlm@1	2082 }
rlm@1	2083 }
rlm@1	2084 else
rlm@1	2085 {
rlm@1	2086 while (c != 0)
rlm@1	2087 {
rlm@1	2088 CPUWriteMemory(d, CPUReadMemory(s));
rlm@1	2089 d += di;
rlm@1	2090 s += si;
rlm@1	2091 c--;
rlm@1	2092 }
rlm@1	2093 }
rlm@1	2094 }
rlm@1	2095 else
rlm@1	2096 {
rlm@1	2097 s &= 0xFFFFFFFE;
rlm@1	2098 si = (int)si >> 1;
rlm@1	2099 di = (int)di >> 1;
rlm@1	2100 if (s < 0x02000000 && (reg[15].I >> 24))
rlm@1	2101 {
rlm@1	2102 while (c != 0)
rlm@1	2103 {
rlm@1	2104 CPUWriteHalfWord(d, 0);
rlm@1	2105 d += di;
rlm@1	2106 c--;
rlm@1	2107 }
rlm@1	2108 }
rlm@1	2109 else
rlm@1	2110 {
rlm@1	2111 while (c != 0)
rlm@1	2112 {
rlm@1	2113 cpuDmaLast = CPUReadHalfWord(s);
rlm@1	2114 CPUWriteHalfWord(d, cpuDmaLast);
rlm@1	2115 d += di;
rlm@1	2116 s += si;
rlm@1	2117 c--;
rlm@1	2118 }
rlm@1	2119 }
rlm@1	2120 }
rlm@1	2121
rlm@1	2122 cpuDmaCount = 0;
rlm@1	2123
rlm@1	2124 int sw = 1 + memoryWaitSeq[sm & 15];
rlm@1	2125 int dw = 1 + memoryWaitSeq[dm & 15];
rlm@1	2126
rlm@1	2127 int totalTicks = 0;
rlm@1	2128
rlm@1	2129 if (transfer32)
rlm@1	2130 {
rlm@1	2131 if (!memory32[sm & 15])
rlm@1	2132 sw <<= 1;
rlm@1	2133 if (!memory32[dm & 15])
rlm@1	2134 dw <<= 1;
rlm@1	2135 }
rlm@1	2136
rlm@1	2137 totalTicks = (sw + dw) * sc;
rlm@1	2138
rlm@1	2139 cpuDmaTicksToUpdate += totalTicks;
rlm@1	2140
rlm@1	2141 if (*extCpuLoopTicks >= 0)
rlm@1	2142 {
rlm@1	2143 CPU_BREAK_LOOP;
rlm@1	2144 }
rlm@1	2145 }
rlm@1	2146
rlm@1	2147 void CPUCheckDMA(int reason, int dmamask)
rlm@1	2148 {
rlm@1	2149 cpuDmaHack = 0;
rlm@1	2150 // DMA 0
rlm@1	2151 if ((DM0CNT_H & 0x8000) && (dmamask & 1))
rlm@1	2152 {
rlm@1	2153 if (((DM0CNT_H >> 12) & 3) == reason)
rlm@1	2154 {
rlm@1	2155 u32 sourceIncrement = 4;
rlm@1	2156 u32 destIncrement = 4;
rlm@1	2157 switch ((DM0CNT_H >> 7) & 3)
rlm@1	2158 {
rlm@1	2159 case 0:
rlm@1	2160 break;
rlm@1	2161 case 1:
rlm@1	2162 sourceIncrement = (u32) - 4;
rlm@1	2163 break;
rlm@1	2164 case 2:
rlm@1	2165 sourceIncrement = 0;
rlm@1	2166 break;
rlm@1	2167 }
rlm@1	2168 switch ((DM0CNT_H >> 5) & 3)
rlm@1	2169 {
rlm@1	2170 case 0:
rlm@1	2171 break;
rlm@1	2172 case 1:
rlm@1	2173 destIncrement = (u32) - 4;
rlm@1	2174 break;
rlm@1	2175 case 2:
rlm@1	2176 destIncrement = 0;
rlm@1	2177 break;
rlm@1	2178 }
rlm@1	2179 #ifdef GBA_LOGGING
rlm@1	2180 if (systemVerbose & VERBOSE_DMA0)
rlm@1	2181 {
rlm@1	2182 int count = (DM0CNT_L ? DM0CNT_L : 0x4000) << 1;
rlm@1	2183 if (DM0CNT_H & 0x0400)
rlm@1	2184 count <<= 1;
rlm@1	2185 log("DMA0: s=%08x d=%08x c=%04x count=%08x\n", dma0Source, dma0Dest,
rlm@1	2186 DM0CNT_H,
rlm@1	2187 count);
rlm@1	2188 }
rlm@1	2189 #endif
rlm@1	2190 doDMA(dma0Source, dma0Dest, sourceIncrement, destIncrement,
rlm@1	2191 DM0CNT_L ? DM0CNT_L : 0x4000,
rlm@1	2192 DM0CNT_H & 0x0400);
rlm@1	2193 cpuDmaHack = 1;
rlm@1	2194 if (DM0CNT_H & 0x4000)
rlm@1	2195 {
rlm@1	2196 IF \|= 0x0100;
rlm@1	2197 UPDATE_REG(0x202, IF);
rlm@1	2198 }
rlm@1	2199
rlm@1	2200 if (((DM0CNT_H >> 5) & 3) == 3)
rlm@1	2201 {
rlm@1	2202 dma0Dest = DM0DAD_L \| (DM0DAD_H << 16);
rlm@1	2203 }
rlm@1	2204
rlm@1	2205 if (!(DM0CNT_H & 0x0200) \|\| (reason == 0))
rlm@1	2206 {
rlm@1	2207 DM0CNT_H &= 0x7FFF;
rlm@1	2208 UPDATE_REG(0xBA, DM0CNT_H);
rlm@1	2209 }
rlm@1	2210 }
rlm@1	2211 }
rlm@1	2212
rlm@1	2213 // DMA 1
rlm@1	2214 if ((DM1CNT_H & 0x8000) && (dmamask & 2))
rlm@1	2215 {
rlm@1	2216 if (((DM1CNT_H >> 12) & 3) == reason)
rlm@1	2217 {
rlm@1	2218 u32 sourceIncrement = 4;
rlm@1	2219 u32 destIncrement = 4;
rlm@1	2220 switch ((DM1CNT_H >> 7) & 3)
rlm@1	2221 {
rlm@1	2222 case 0:
rlm@1	2223 break;
rlm@1	2224 case 1:
rlm@1	2225 sourceIncrement = (u32) - 4;
rlm@1	2226 break;
rlm@1	2227 case 2:
rlm@1	2228 sourceIncrement = 0;
rlm@1	2229 break;
rlm@1	2230 }
rlm@1	2231 switch ((DM1CNT_H >> 5) & 3)
rlm@1	2232 {
rlm@1	2233 case 0:
rlm@1	2234 break;
rlm@1	2235 case 1:
rlm@1	2236 destIncrement = (u32) - 4;
rlm@1	2237 break;
rlm@1	2238 case 2:
rlm@1	2239 destIncrement = 0;
rlm@1	2240 break;
rlm@1	2241 }
rlm@1	2242 if (reason == 3)
rlm@1	2243 {
rlm@1	2244 #ifdef GBA_LOGGING
rlm@1	2245 if (systemVerbose & VERBOSE_DMA1)
rlm@1	2246 {
rlm@1	2247 log("DMA1: s=%08x d=%08x c=%04x count=%08x\n", dma1Source, dma1Dest,
rlm@1	2248 DM1CNT_H,
rlm@1	2249 16);
rlm@1	2250 }
rlm@1	2251 #endif
rlm@1	2252 doDMA(dma1Source, dma1Dest, sourceIncrement, 0, 4,
rlm@1	2253 0x0400);
rlm@1	2254 }
rlm@1	2255 else
rlm@1	2256 {
rlm@1	2257 #ifdef GBA_LOGGING
rlm@1	2258 if (systemVerbose & VERBOSE_DMA1)
rlm@1	2259 {
rlm@1	2260 int count = (DM1CNT_L ? DM1CNT_L : 0x4000) << 1;
rlm@1	2261 if (DM1CNT_H & 0x0400)
rlm@1	2262 count <<= 1;
rlm@1	2263 log("DMA1: s=%08x d=%08x c=%04x count=%08x\n", dma1Source, dma1Dest,
rlm@1	2264 DM1CNT_H,
rlm@1	2265 count);
rlm@1	2266 }
rlm@1	2267 #endif
rlm@1	2268 doDMA(dma1Source, dma1Dest, sourceIncrement, destIncrement,
rlm@1	2269 DM1CNT_L ? DM1CNT_L : 0x4000,
rlm@1	2270 DM1CNT_H & 0x0400);
rlm@1	2271 }
rlm@1	2272 cpuDmaHack = 1;
rlm@1	2273
rlm@1	2274 if (DM1CNT_H & 0x4000)
rlm@1	2275 {
rlm@1	2276 IF \|= 0x0200;
rlm@1	2277 UPDATE_REG(0x202, IF);
rlm@1	2278 }
rlm@1	2279
rlm@1	2280 if (((DM1CNT_H >> 5) & 3) == 3)
rlm@1	2281 {
rlm@1	2282 dma1Dest = DM1DAD_L \| (DM1DAD_H << 16);
rlm@1	2283 }
rlm@1	2284
rlm@1	2285 if (!(DM1CNT_H & 0x0200) \|\| (reason == 0))
rlm@1	2286 {
rlm@1	2287 DM1CNT_H &= 0x7FFF;
rlm@1	2288 UPDATE_REG(0xC6, DM1CNT_H);
rlm@1	2289 }
rlm@1	2290 }
rlm@1	2291 }
rlm@1	2292
rlm@1	2293 // DMA 2
rlm@1	2294 if ((DM2CNT_H & 0x8000) && (dmamask & 4))
rlm@1	2295 {
rlm@1	2296 if (((DM2CNT_H >> 12) & 3) == reason)
rlm@1	2297 {
rlm@1	2298 u32 sourceIncrement = 4;
rlm@1	2299 u32 destIncrement = 4;
rlm@1	2300 switch ((DM2CNT_H >> 7) & 3)
rlm@1	2301 {
rlm@1	2302 case 0:
rlm@1	2303 break;
rlm@1	2304 case 1:
rlm@1	2305 sourceIncrement = (u32) - 4;
rlm@1	2306 break;
rlm@1	2307 case 2:
rlm@1	2308 sourceIncrement = 0;
rlm@1	2309 break;
rlm@1	2310 }
rlm@1	2311 switch ((DM2CNT_H >> 5) & 3)
rlm@1	2312 {
rlm@1	2313 case 0:
rlm@1	2314 break;
rlm@1	2315 case 1:
rlm@1	2316 destIncrement = (u32) - 4;
rlm@1	2317 break;
rlm@1	2318 case 2:
rlm@1	2319 destIncrement = 0;
rlm@1	2320 break;
rlm@1	2321 }
rlm@1	2322 if (reason == 3)
rlm@1	2323 {
rlm@1	2324 #ifdef GBA_LOGGING
rlm@1	2325 if (systemVerbose & VERBOSE_DMA2)
rlm@1	2326 {
rlm@1	2327 int count = (4) << 2;
rlm@1	2328 log("DMA2: s=%08x d=%08x c=%04x count=%08x\n", dma2Source, dma2Dest,
rlm@1	2329 DM2CNT_H,
rlm@1	2330 count);
rlm@1	2331 }
rlm@1	2332 #endif
rlm@1	2333 doDMA(dma2Source, dma2Dest, sourceIncrement, 0, 4,
rlm@1	2334 0x0400);
rlm@1	2335 }
rlm@1	2336 else
rlm@1	2337 {
rlm@1	2338 #ifdef GBA_LOGGING
rlm@1	2339 if (systemVerbose & VERBOSE_DMA2)
rlm@1	2340 {
rlm@1	2341 int count = (DM2CNT_L ? DM2CNT_L : 0x4000) << 1;
rlm@1	2342 if (DM2CNT_H & 0x0400)
rlm@1	2343 count <<= 1;
rlm@1	2344 log("DMA2: s=%08x d=%08x c=%04x count=%08x\n", dma2Source, dma2Dest,
rlm@1	2345 DM2CNT_H,
rlm@1	2346 count);
rlm@1	2347 }
rlm@1	2348 #endif
rlm@1	2349 doDMA(dma2Source, dma2Dest, sourceIncrement, destIncrement,
rlm@1	2350 DM2CNT_L ? DM2CNT_L : 0x4000,
rlm@1	2351 DM2CNT_H & 0x0400);
rlm@1	2352 }
rlm@1	2353 cpuDmaHack = 1;
rlm@1	2354 if (DM2CNT_H & 0x4000)
rlm@1	2355 {
rlm@1	2356 IF \|= 0x0400;
rlm@1	2357 UPDATE_REG(0x202, IF);
rlm@1	2358 }
rlm@1	2359
rlm@1	2360 if (((DM2CNT_H >> 5) & 3) == 3)
rlm@1	2361 {
rlm@1	2362 dma2Dest = DM2DAD_L \| (DM2DAD_H << 16);
rlm@1	2363 }
rlm@1	2364
rlm@1	2365 if (!(DM2CNT_H & 0x0200) \|\| (reason == 0))
rlm@1	2366 {
rlm@1	2367 DM2CNT_H &= 0x7FFF;
rlm@1	2368 UPDATE_REG(0xD2, DM2CNT_H);
rlm@1	2369 }
rlm@1	2370 }
rlm@1	2371 }
rlm@1	2372
rlm@1	2373 // DMA 3
rlm@1	2374 if ((DM3CNT_H & 0x8000) && (dmamask & 8))
rlm@1	2375 {
rlm@1	2376 if (((DM3CNT_H >> 12) & 3) == reason)
rlm@1	2377 {
rlm@1	2378 u32 sourceIncrement = 4;
rlm@1	2379 u32 destIncrement = 4;
rlm@1	2380 switch ((DM3CNT_H >> 7) & 3)
rlm@1	2381 {
rlm@1	2382 case 0:
rlm@1	2383 break;
rlm@1	2384 case 1:
rlm@1	2385 sourceIncrement = (u32) - 4;
rlm@1	2386 break;
rlm@1	2387 case 2:
rlm@1	2388 sourceIncrement = 0;
rlm@1	2389 break;
rlm@1	2390 }
rlm@1	2391 switch ((DM3CNT_H >> 5) & 3)
rlm@1	2392 {
rlm@1	2393 case 0:
rlm@1	2394 break;
rlm@1	2395 case 1:
rlm@1	2396 destIncrement = (u32) - 4;
rlm@1	2397 break;
rlm@1	2398 case 2:
rlm@1	2399 destIncrement = 0;
rlm@1	2400 break;
rlm@1	2401 }
rlm@1	2402 #ifdef GBA_LOGGING
rlm@1	2403 if (systemVerbose & VERBOSE_DMA3)
rlm@1	2404 {
rlm@1	2405 int count = (DM3CNT_L ? DM3CNT_L : 0x10000) << 1;
rlm@1	2406 if (DM3CNT_H & 0x0400)
rlm@1	2407 count <<= 1;
rlm@1	2408 log("DMA3: s=%08x d=%08x c=%04x count=%08x\n", dma3Source, dma3Dest,
rlm@1	2409 DM3CNT_H,
rlm@1	2410 count);
rlm@1	2411 }
rlm@1	2412 #endif
rlm@1	2413 doDMA(dma3Source, dma3Dest, sourceIncrement, destIncrement,
rlm@1	2414 DM3CNT_L ? DM3CNT_L : 0x10000,
rlm@1	2415 DM3CNT_H & 0x0400);
rlm@1	2416 if (DM3CNT_H & 0x4000)
rlm@1	2417 {
rlm@1	2418 IF \|= 0x0800;
rlm@1	2419 UPDATE_REG(0x202, IF);
rlm@1	2420 }
rlm@1	2421
rlm@1	2422 if (((DM3CNT_H >> 5) & 3) == 3)
rlm@1	2423 {
rlm@1	2424 dma3Dest = DM3DAD_L \| (DM3DAD_H << 16);
rlm@1	2425 }
rlm@1	2426
rlm@1	2427 if (!(DM3CNT_H & 0x0200) \|\| (reason == 0))
rlm@1	2428 {
rlm@1	2429 DM3CNT_H &= 0x7FFF;
rlm@1	2430 UPDATE_REG(0xDE, DM3CNT_H);
rlm@1	2431 }
rlm@1	2432 }
rlm@1	2433 }
rlm@1	2434 cpuDmaHack = 0;
rlm@1	2435 }
rlm@1	2436
rlm@1	2437 void CPUUpdateRegister(u32 address, u16 value)
rlm@1	2438 {
rlm@1	2439 switch (address)
rlm@1	2440 {
rlm@1	2441 case 0x00:
rlm@1	2442 {
rlm@1	2443 bool change = ((DISPCNT ^ value) & 0x80) ? true : false;
rlm@1	2444 bool changeBG = ((DISPCNT ^ value) & 0x0F00) ? true : false;
rlm@1	2445 DISPCNT = (value & 0xFFF7);
rlm@1	2446 UPDATE_REG(0x00, DISPCNT);
rlm@1	2447 layerEnable = layerSettings & value;
rlm@1	2448 windowOn = (layerEnable & 0x6000) ? true : false;
rlm@1	2449 if (change && !((value & 0x80)))
rlm@1	2450 {
rlm@1	2451 if (!(DISPSTAT & 1))
rlm@1	2452 {
rlm@1	2453 lcdTicks = 960;
rlm@1	2454 // VCOUNT = 0;
rlm@1	2455 // UPDATE_REG(0x06, VCOUNT);
rlm@1	2456 DISPSTAT &= 0xFFFC;
rlm@1	2457 UPDATE_REG(0x04, DISPSTAT);
rlm@1	2458 CPUCompareVCOUNT();
rlm@1	2459 }
rlm@1	2460 // (*renderLine)();
rlm@1	2461 }
rlm@1	2462 CPUUpdateRender();
rlm@1	2463 // we only care about changes in BG0-BG3
rlm@1	2464 if (changeBG)
rlm@1	2465 CPUUpdateRenderBuffers(false);
rlm@1	2466 // CPUUpdateTicks();
rlm@1	2467 break;
rlm@1	2468 }
rlm@1	2469 case 0x04:
rlm@1	2470 DISPSTAT = (value & 0xFF38) \| (DISPSTAT & 7);
rlm@1	2471 UPDATE_REG(0x04, DISPSTAT);
rlm@1	2472 break;
rlm@1	2473 case 0x06:
rlm@1	2474 // not writable
rlm@1	2475 break;
rlm@1	2476 case 0x08:
rlm@1	2477 BG0CNT = (value & 0xDFCF);
rlm@1	2478 UPDATE_REG(0x08, BG0CNT);
rlm@1	2479 break;
rlm@1	2480 case 0x0A:
rlm@1	2481 BG1CNT = (value & 0xDFCF);
rlm@1	2482 UPDATE_REG(0x0A, BG1CNT);
rlm@1	2483 break;
rlm@1	2484 case 0x0C:
rlm@1	2485 BG2CNT = (value & 0xFFCF);
rlm@1	2486 UPDATE_REG(0x0C, BG2CNT);
rlm@1	2487 break;
rlm@1	2488 case 0x0E:
rlm@1	2489 BG3CNT = (value & 0xFFCF);
rlm@1	2490 UPDATE_REG(0x0E, BG3CNT);
rlm@1	2491 break;
rlm@1	2492 case 0x10:
rlm@1	2493 BG0HOFS = value & 511;
rlm@1	2494 UPDATE_REG(0x10, BG0HOFS);
rlm@1	2495 break;
rlm@1	2496 case 0x12:
rlm@1	2497 BG0VOFS = value & 511;
rlm@1	2498 UPDATE_REG(0x12, BG0VOFS);
rlm@1	2499 break;
rlm@1	2500 case 0x14:
rlm@1	2501 BG1HOFS = value & 511;
rlm@1	2502 UPDATE_REG(0x14, BG1HOFS);
rlm@1	2503 break;
rlm@1	2504 case 0x16:
rlm@1	2505 BG1VOFS = value & 511;
rlm@1	2506 UPDATE_REG(0x16, BG1VOFS);
rlm@1	2507 break;
rlm@1	2508 case 0x18:
rlm@1	2509 BG2HOFS = value & 511;
rlm@1	2510 UPDATE_REG(0x18, BG2HOFS);
rlm@1	2511 break;
rlm@1	2512 case 0x1A:
rlm@1	2513 BG2VOFS = value & 511;
rlm@1	2514 UPDATE_REG(0x1A, BG2VOFS);
rlm@1	2515 break;
rlm@1	2516 case 0x1C:
rlm@1	2517 BG3HOFS = value & 511;
rlm@1	2518 UPDATE_REG(0x1C, BG3HOFS);
rlm@1	2519 break;
rlm@1	2520 case 0x1E:
rlm@1	2521 BG3VOFS = value & 511;
rlm@1	2522 UPDATE_REG(0x1E, BG3VOFS);
rlm@1	2523 break;
rlm@1	2524 case 0x20:
rlm@1	2525 BG2PA = value;
rlm@1	2526 UPDATE_REG(0x20, BG2PA);
rlm@1	2527 break;
rlm@1	2528 case 0x22:
rlm@1	2529 BG2PB = value;
rlm@1	2530 UPDATE_REG(0x22, BG2PB);
rlm@1	2531 break;
rlm@1	2532 case 0x24:
rlm@1	2533 BG2PC = value;
rlm@1	2534 UPDATE_REG(0x24, BG2PC);
rlm@1	2535 break;
rlm@1	2536 case 0x26:
rlm@1	2537 BG2PD = value;
rlm@1	2538 UPDATE_REG(0x26, BG2PD);
rlm@1	2539 break;
rlm@1	2540 case 0x28:
rlm@1	2541 BG2X_L = value;
rlm@1	2542 UPDATE_REG(0x28, BG2X_L);
rlm@1	2543 gfxBG2Changed \|= 1;
rlm@1	2544 break;
rlm@1	2545 case 0x2A:
rlm@1	2546 BG2X_H = (value & 0xFFF);
rlm@1	2547 UPDATE_REG(0x2A, BG2X_H);
rlm@1	2548 gfxBG2Changed \|= 1;
rlm@1	2549 break;
rlm@1	2550 case 0x2C:
rlm@1	2551 BG2Y_L = value;
rlm@1	2552 UPDATE_REG(0x2C, BG2Y_L);
rlm@1	2553 gfxBG2Changed \|= 2;
rlm@1	2554 break;
rlm@1	2555 case 0x2E:
rlm@1	2556 BG2Y_H = value & 0xFFF;
rlm@1	2557 UPDATE_REG(0x2E, BG2Y_H);
rlm@1	2558 gfxBG2Changed \|= 2;
rlm@1	2559 break;
rlm@1	2560 case 0x30:
rlm@1	2561 BG3PA = value;
rlm@1	2562 UPDATE_REG(0x30, BG3PA);
rlm@1	2563 break;
rlm@1	2564 case 0x32:
rlm@1	2565 BG3PB = value;
rlm@1	2566 UPDATE_REG(0x32, BG3PB);
rlm@1	2567 break;
rlm@1	2568 case 0x34:
rlm@1	2569 BG3PC = value;
rlm@1	2570 UPDATE_REG(0x34, BG3PC);
rlm@1	2571 break;
rlm@1	2572 case 0x36:
rlm@1	2573 BG3PD = value;
rlm@1	2574 UPDATE_REG(0x36, BG3PD);
rlm@1	2575 break;
rlm@1	2576 case 0x38:
rlm@1	2577 BG3X_L = value;
rlm@1	2578 UPDATE_REG(0x38, BG3X_L);
rlm@1	2579 gfxBG3Changed \|= 1;
rlm@1	2580 break;
rlm@1	2581 case 0x3A:
rlm@1	2582 BG3X_H = value & 0xFFF;
rlm@1	2583 UPDATE_REG(0x3A, BG3X_H);
rlm@1	2584 gfxBG3Changed \|= 1;
rlm@1	2585 break;
rlm@1	2586 case 0x3C:
rlm@1	2587 BG3Y_L = value;
rlm@1	2588 UPDATE_REG(0x3C, BG3Y_L);
rlm@1	2589 gfxBG3Changed \|= 2;
rlm@1	2590 break;
rlm@1	2591 case 0x3E:
rlm@1	2592 BG3Y_H = value & 0xFFF;
rlm@1	2593 UPDATE_REG(0x3E, BG3Y_H);
rlm@1	2594 gfxBG3Changed \|= 2;
rlm@1	2595 break;
rlm@1	2596 case 0x40:
rlm@1	2597 WIN0H = value;
rlm@1	2598 UPDATE_REG(0x40, WIN0H);
rlm@1	2599 CPUUpdateWindow0();
rlm@1	2600 break;
rlm@1	2601 case 0x42:
rlm@1	2602 WIN1H = value;
rlm@1	2603 UPDATE_REG(0x42, WIN1H);
rlm@1	2604 CPUUpdateWindow1();
rlm@1	2605 break;
rlm@1	2606 case 0x44:
rlm@1	2607 WIN0V = value;
rlm@1	2608 UPDATE_REG(0x44, WIN0V);
rlm@1	2609 break;
rlm@1	2610 case 0x46:
rlm@1	2611 WIN1V = value;
rlm@1	2612 UPDATE_REG(0x46, WIN1V);
rlm@1	2613 break;
rlm@1	2614 case 0x48:
rlm@1	2615 WININ = value & 0x3F3F;
rlm@1	2616 UPDATE_REG(0x48, WININ);
rlm@1	2617 break;
rlm@1	2618 case 0x4A:
rlm@1	2619 WINOUT = value & 0x3F3F;
rlm@1	2620 UPDATE_REG(0x4A, WINOUT);
rlm@1	2621 break;
rlm@1	2622 case 0x4C:
rlm@1	2623 MOSAIC = value;
rlm@1	2624 UPDATE_REG(0x4C, MOSAIC);
rlm@1	2625 break;
rlm@1	2626 case 0x50:
rlm@1	2627 BLDMOD = value & 0x3FFF;
rlm@1	2628 UPDATE_REG(0x50, BLDMOD);
rlm@1	2629 fxOn = ((BLDMOD >> 6) & 3) != 0;
rlm@1	2630 CPUUpdateRender();
rlm@1	2631 break;
rlm@1	2632 case 0x52:
rlm@1	2633 COLEV = value & 0x1F1F;
rlm@1	2634 UPDATE_REG(0x52, COLEV);
rlm@1	2635 break;
rlm@1	2636 case 0x54:
rlm@1	2637 COLY = value & 0x1F;
rlm@1	2638 UPDATE_REG(0x54, COLY);
rlm@1	2639 break;
rlm@1	2640 case 0x60:
rlm@1	2641 case 0x62:
rlm@1	2642 case 0x64:
rlm@1	2643 case 0x68:
rlm@1	2644 case 0x6c:
rlm@1	2645 case 0x70:
rlm@1	2646 case 0x72:
rlm@1	2647 case 0x74:
rlm@1	2648 case 0x78:
rlm@1	2649 case 0x7c:
rlm@1	2650 case 0x80:
rlm@1	2651 case 0x84:
rlm@1	2652 soundEvent(address & 0xFF, (u8)(value & 0xFF));
rlm@1	2653 soundEvent((address & 0xFF) + 1, (u8)(value >> 8));
rlm@1	2654 break;
rlm@1	2655 case 0x82:
rlm@1	2656 case 0x88:
rlm@1	2657 case 0xa0:
rlm@1	2658 case 0xa2:
rlm@1	2659 case 0xa4:
rlm@1	2660 case 0xa6:
rlm@1	2661 case 0x90:
rlm@1	2662 case 0x92:
rlm@1	2663 case 0x94:
rlm@1	2664 case 0x96:
rlm@1	2665 case 0x98:
rlm@1	2666 case 0x9a:
rlm@1	2667 case 0x9c:
rlm@1	2668 case 0x9e:
rlm@1	2669 soundEvent(address & 0xFF, value);
rlm@1	2670 break;
rlm@1	2671 case 0xB0:
rlm@1	2672 DM0SAD_L = value;
rlm@1	2673 UPDATE_REG(0xB0, DM0SAD_L);
rlm@1	2674 break;
rlm@1	2675 case 0xB2:
rlm@1	2676 DM0SAD_H = value & 0x07FF;
rlm@1	2677 UPDATE_REG(0xB2, DM0SAD_H);
rlm@1	2678 break;
rlm@1	2679 case 0xB4:
rlm@1	2680 DM0DAD_L = value;
rlm@1	2681 UPDATE_REG(0xB4, DM0DAD_L);
rlm@1	2682 break;
rlm@1	2683 case 0xB6:
rlm@1	2684 DM0DAD_H = value & 0x07FF;
rlm@1	2685 UPDATE_REG(0xB6, DM0DAD_H);
rlm@1	2686 break;
rlm@1	2687 case 0xB8:
rlm@1	2688 DM0CNT_L = value & 0x3FFF;
rlm@1	2689 UPDATE_REG(0xB8, 0);
rlm@1	2690 break;
rlm@1	2691 case 0xBA:
rlm@1	2692 {
rlm@1	2693 bool start = ((DM0CNT_H ^ value) & 0x8000) ? true : false;
rlm@1	2694 value &= 0xF7E0;
rlm@1	2695
rlm@1	2696 DM0CNT_H = value;
rlm@1	2697 UPDATE_REG(0xBA, DM0CNT_H);
rlm@1	2698
rlm@1	2699 if (start && (value & 0x8000))
rlm@1	2700 {
rlm@1	2701 dma0Source = DM0SAD_L \| (DM0SAD_H << 16);
rlm@1	2702 dma0Dest = DM0DAD_L \| (DM0DAD_H << 16);
rlm@1	2703 CPUCheckDMA(0, 1);
rlm@1	2704 }
rlm@1	2705 break;
rlm@1	2706 }
rlm@1	2707 case 0xBC:
rlm@1	2708 DM1SAD_L = value;
rlm@1	2709 UPDATE_REG(0xBC, DM1SAD_L);
rlm@1	2710 break;
rlm@1	2711 case 0xBE:
rlm@1	2712 DM1SAD_H = value & 0x0FFF;
rlm@1	2713 UPDATE_REG(0xBE, DM1SAD_H);
rlm@1	2714 break;
rlm@1	2715 case 0xC0:
rlm@1	2716 DM1DAD_L = value;
rlm@1	2717 UPDATE_REG(0xC0, DM1DAD_L);
rlm@1	2718 break;
rlm@1	2719 case 0xC2:
rlm@1	2720 DM1DAD_H = value & 0x07FF;
rlm@1	2721 UPDATE_REG(0xC2, DM1DAD_H);
rlm@1	2722 break;
rlm@1	2723 case 0xC4:
rlm@1	2724 DM1CNT_L = value & 0x3FFF;
rlm@1	2725 UPDATE_REG(0xC4, 0);
rlm@1	2726 break;
rlm@1	2727 case 0xC6:
rlm@1	2728 {
rlm@1	2729 bool start = ((DM1CNT_H ^ value) & 0x8000) ? true : false;
rlm@1	2730 value &= 0xF7E0;
rlm@1	2731
rlm@1	2732 DM1CNT_H = value;
rlm@1	2733 UPDATE_REG(0xC6, DM1CNT_H);
rlm@1	2734
rlm@1	2735 if (start && (value & 0x8000))
rlm@1	2736 {
rlm@1	2737 dma1Source = DM1SAD_L \| (DM1SAD_H << 16);
rlm@1	2738 dma1Dest = DM1DAD_L \| (DM1DAD_H << 16);
rlm@1	2739 CPUCheckDMA(0, 2);
rlm@1	2740 }
rlm@1	2741 break;
rlm@1	2742 }
rlm@1	2743 case 0xC8:
rlm@1	2744 DM2SAD_L = value;
rlm@1	2745 UPDATE_REG(0xC8, DM2SAD_L);
rlm@1	2746 break;
rlm@1	2747 case 0xCA:
rlm@1	2748 DM2SAD_H = value & 0x0FFF;
rlm@1	2749 UPDATE_REG(0xCA, DM2SAD_H);
rlm@1	2750 break;
rlm@1	2751 case 0xCC:
rlm@1	2752 DM2DAD_L = value;
rlm@1	2753 UPDATE_REG(0xCC, DM2DAD_L);
rlm@1	2754 break;
rlm@1	2755 case 0xCE:
rlm@1	2756 DM2DAD_H = value & 0x07FF;
rlm@1	2757 UPDATE_REG(0xCE, DM2DAD_H);
rlm@1	2758 break;
rlm@1	2759 case 0xD0:
rlm@1	2760 DM2CNT_L = value & 0x3FFF;
rlm@1	2761 UPDATE_REG(0xD0, 0);
rlm@1	2762 break;
rlm@1	2763 case 0xD2:
rlm@1	2764 {
rlm@1	2765 bool start = ((DM2CNT_H ^ value) & 0x8000) ? true : false;
rlm@1	2766
rlm@1	2767 value &= 0xF7E0;
rlm@1	2768
rlm@1	2769 DM2CNT_H = value;
rlm@1	2770 UPDATE_REG(0xD2, DM2CNT_H);
rlm@1	2771
rlm@1	2772 if (start && (value & 0x8000))
rlm@1	2773 {
rlm@1	2774 dma2Source = DM2SAD_L \| (DM2SAD_H << 16);
rlm@1	2775 dma2Dest = DM2DAD_L \| (DM2DAD_H << 16);
rlm@1	2776
rlm@1	2777 CPUCheckDMA(0, 4);
rlm@1	2778 }
rlm@1	2779 break;
rlm@1	2780 }
rlm@1	2781 case 0xD4:
rlm@1	2782 DM3SAD_L = value;
rlm@1	2783 UPDATE_REG(0xD4, DM3SAD_L);
rlm@1	2784 break;
rlm@1	2785 case 0xD6:
rlm@1	2786 DM3SAD_H = value & 0x0FFF;
rlm@1	2787 UPDATE_REG(0xD6, DM3SAD_H);
rlm@1	2788 break;
rlm@1	2789 case 0xD8:
rlm@1	2790 DM3DAD_L = value;
rlm@1	2791 UPDATE_REG(0xD8, DM3DAD_L);
rlm@1	2792 break;
rlm@1	2793 case 0xDA:
rlm@1	2794 DM3DAD_H = value & 0x0FFF;
rlm@1	2795 UPDATE_REG(0xDA, DM3DAD_H);
rlm@1	2796 break;
rlm@1	2797 case 0xDC:
rlm@1	2798 DM3CNT_L = value;
rlm@1	2799 UPDATE_REG(0xDC, 0);
rlm@1	2800 break;
rlm@1	2801 case 0xDE:
rlm@1	2802 {
rlm@1	2803 bool start = ((DM3CNT_H ^ value) & 0x8000) ? true : false;
rlm@1	2804
rlm@1	2805 value &= 0xFFE0;
rlm@1	2806
rlm@1	2807 DM3CNT_H = value;
rlm@1	2808 UPDATE_REG(0xDE, DM3CNT_H);
rlm@1	2809
rlm@1	2810 if (start && (value & 0x8000))
rlm@1	2811 {
rlm@1	2812 dma3Source = DM3SAD_L \| (DM3SAD_H << 16);
rlm@1	2813 dma3Dest = DM3DAD_L \| (DM3DAD_H << 16);
rlm@1	2814 CPUCheckDMA(0, 8);
rlm@1	2815 }
rlm@1	2816 break;
rlm@1	2817 }
rlm@1	2818 case 0x100:
rlm@1	2819 timer0Reload = value;
rlm@1	2820 break;
rlm@1	2821 case 0x102:
rlm@1	2822 timer0Ticks = timer0ClockReload = TIMER_TICKS[value & 3];
rlm@1	2823 if (!timer0On && (value & 0x80))
rlm@1	2824 {
rlm@1	2825 // reload the counter
rlm@1	2826 TM0D = timer0Reload;
rlm@1	2827 if (timer0ClockReload == 1)
rlm@1	2828 timer0Ticks = 0x10000 - TM0D;
rlm@1	2829 UPDATE_REG(0x100, TM0D);
rlm@1	2830 }
rlm@1	2831 timer0On = value & 0x80 ? true : false;
rlm@1	2832 TM0CNT = value & 0xC7;
rlm@1	2833 UPDATE_REG(0x102, TM0CNT);
rlm@1	2834 // CPUUpdateTicks();
rlm@1	2835 break;
rlm@1	2836 case 0x104:
rlm@1	2837 timer1Reload = value;
rlm@1	2838 break;
rlm@1	2839 case 0x106:
rlm@1	2840 timer1Ticks = timer1ClockReload = TIMER_TICKS[value & 3];
rlm@1	2841 if (!timer1On && (value & 0x80))
rlm@1	2842 {
rlm@1	2843 // reload the counter
rlm@1	2844 TM1D = timer1Reload;
rlm@1	2845 if (timer1ClockReload == 1)
rlm@1	2846 timer1Ticks = 0x10000 - TM1D;
rlm@1	2847 UPDATE_REG(0x104, TM1D);
rlm@1	2848 }
rlm@1	2849 timer1On = value & 0x80 ? true : false;
rlm@1	2850 TM1CNT = value & 0xC7;
rlm@1	2851 UPDATE_REG(0x106, TM1CNT);
rlm@1	2852 break;
rlm@1	2853 case 0x108:
rlm@1	2854 timer2Reload = value;
rlm@1	2855 break;
rlm@1	2856 case 0x10A:
rlm@1	2857 timer2Ticks = timer2ClockReload = TIMER_TICKS[value & 3];
rlm@1	2858 if (!timer2On && (value & 0x80))
rlm@1	2859 {
rlm@1	2860 // reload the counter
rlm@1	2861 TM2D = timer2Reload;
rlm@1	2862 if (timer2ClockReload == 1)
rlm@1	2863 timer2Ticks = 0x10000 - TM2D;
rlm@1	2864 UPDATE_REG(0x108, TM2D);
rlm@1	2865 }
rlm@1	2866 timer2On = value & 0x80 ? true : false;
rlm@1	2867 TM2CNT = value & 0xC7;
rlm@1	2868 UPDATE_REG(0x10A, TM2CNT);
rlm@1	2869 break;
rlm@1	2870 case 0x10C:
rlm@1	2871 timer3Reload = value;
rlm@1	2872 break;
rlm@1	2873 case 0x10E:
rlm@1	2874 timer3Ticks = timer3ClockReload = TIMER_TICKS[value & 3];
rlm@1	2875 if (!timer3On && (value & 0x80))
rlm@1	2876 {
rlm@1	2877 // reload the counter
rlm@1	2878 TM3D = timer3Reload;
rlm@1	2879 if (timer3ClockReload == 1)
rlm@1	2880 timer3Ticks = 0x10000 - TM3D;
rlm@1	2881 UPDATE_REG(0x10C, TM3D);
rlm@1	2882 }
rlm@1	2883 timer3On = value & 0x80 ? true : false;
rlm@1	2884 TM3CNT = value & 0xC7;
rlm@1	2885 UPDATE_REG(0x10E, TM3CNT);
rlm@1	2886 break;
rlm@1	2887 case 0x128:
rlm@1	2888 if (value & 0x80)
rlm@1	2889 {
rlm@1	2890 value &= 0xff7f;
rlm@1	2891 if (value & 1 && (value & 0x4000))
rlm@1	2892 {
rlm@1	2893 UPDATE_REG(0x12a, 0xFF);
rlm@1	2894 IF \|= 0x80;
rlm@1	2895 UPDATE_REG(0x202, IF);
rlm@1	2896 value &= 0x7f7f;
rlm@1	2897 }
rlm@1	2898 }
rlm@1	2899 UPDATE_REG(0x128, value);
rlm@1	2900 break;
rlm@1	2901 case 0x130:
rlm@1	2902 P1 \|= (value & 0x3FF);
rlm@1	2903 UPDATE_REG(0x130, P1);
rlm@1	2904 break;
rlm@1	2905 case 0x132:
rlm@1	2906 UPDATE_REG(0x132, value & 0xC3FF);
rlm@1	2907 break;
rlm@1	2908 case 0x200:
rlm@1	2909 IE = value & 0x3FFF;
rlm@1	2910 UPDATE_REG(0x200, IE);
rlm@1	2911 if ((IME & 1) && (IF & IE) && armIrqEnable)
rlm@1	2912 {
rlm@1	2913 CPU_BREAK_LOOP_2;
rlm@1	2914 }
rlm@1	2915 break;
rlm@1	2916 case 0x202:
rlm@1	2917 IF ^= (value & IF);
rlm@1	2918 UPDATE_REG(0x202, IF);
rlm@1	2919 break;
rlm@1	2920 case 0x204:
rlm@1	2921 {
rlm@1	2922 int i;
rlm@1	2923 memoryWait[0x0e] = memoryWaitSeq[0x0e] = gamepakRamWaitState[value & 3];
rlm@1	2924
rlm@1	2925 if (!speedHack)
rlm@1	2926 {
rlm@1	2927 memoryWait[0x08] = memoryWait[0x09] = gamepakWaitState[(value >> 2) & 7];
rlm@1	2928 memoryWaitSeq[0x08] = memoryWaitSeq[0x09] =
rlm@1	2929 gamepakWaitState0[(value >> 2) & 7];
rlm@1	2930
rlm@1	2931 memoryWait[0x0a] = memoryWait[0x0b] = gamepakWaitState[(value >> 5) & 7];
rlm@1	2932 memoryWaitSeq[0x0a] = memoryWaitSeq[0x0b] =
rlm@1	2933 gamepakWaitState1[(value >> 5) & 7];
rlm@1	2934
rlm@1	2935 memoryWait[0x0c] = memoryWait[0x0d] = gamepakWaitState[(value >> 8) & 7];
rlm@1	2936 memoryWaitSeq[0x0c] = memoryWaitSeq[0x0d] =
rlm@1	2937 gamepakWaitState2[(value >> 8) & 7];
rlm@1	2938 }
rlm@1	2939 else
rlm@1	2940 {
rlm@1	2941 memoryWait[0x08] = memoryWait[0x09] = 4;
rlm@1	2942 memoryWaitSeq[0x08] = memoryWaitSeq[0x09] = 2;
rlm@1	2943
rlm@1	2944 memoryWait[0x0a] = memoryWait[0x0b] = 4;
rlm@1	2945 memoryWaitSeq[0x0a] = memoryWaitSeq[0x0b] = 4;
rlm@1	2946
rlm@1	2947 memoryWait[0x0c] = memoryWait[0x0d] = 4;
rlm@1	2948 memoryWaitSeq[0x0c] = memoryWaitSeq[0x0d] = 8;
rlm@1	2949 }
rlm@1	2950 for (i = 0; i < 16; i++)
rlm@1	2951 {
rlm@1	2952 memoryWaitFetch32[i] = memoryWait32[i] = memoryWait[i] *
rlm@1	2953 (memory32[i] ? 1 : 2);
rlm@1	2954 memoryWaitFetch[i] = memoryWait[i];
rlm@1	2955 }
rlm@1	2956 memoryWaitFetch32[3] += 1;
rlm@1	2957 memoryWaitFetch32[2] += 3;
rlm@1	2958
rlm@1	2959 prefetchActive = false;
rlm@1	2960 prefetchApplies = false;
rlm@1	2961 if (value & 0x4000)
rlm@1	2962 {
rlm@1	2963 for (i = 8; i < 16; i++)
rlm@1	2964 {
rlm@1	2965 memoryWaitFetch32[i] = 2 * cpuMemoryWait[i];
rlm@1	2966 memoryWaitFetch[i] = cpuMemoryWait[i];
rlm@1	2967 }
rlm@1	2968 if (((value & 3) == 3))
rlm@1	2969 {
rlm@1	2970 if (!memLagTempEnabled)
rlm@1	2971 {
rlm@1	2972 memoryWaitFetch[8]--; // hack to prevent inaccurately extreme lag at some points of many games (possibly
rlm@1	2973 // from no pre-fetch emulation)
rlm@1	2974 /// FIXME: how correct is this? Should it set the fetch to 0 or change fetch32 or
rlm@1	2975 // anything else?
rlm@1	2976
rlm@1	2977 prefetchActive = true;
rlm@1	2978 }
rlm@1	2979 prefetchApplies = true;
rlm@1	2980 }
rlm@1	2981 }
rlm@1	2982 //if(prefetchActive && !prefetchPrevActive) systemScreenMessage("pre-fetch enabled",3,600);
rlm@1	2983 //if(!prefetchActive && prefetchPrevActive) systemScreenMessage("pre-fetch disabled",3,600);
rlm@1	2984 prefetchPrevActive = prefetchActive;
rlm@1	2985
rlm@1	2986 UPDATE_REG(0x204, value);
rlm@1	2987 break;
rlm@1	2988 }
rlm@1	2989 case 0x208:
rlm@1	2990 IME = value & 1;
rlm@1	2991 UPDATE_REG(0x208, IME);
rlm@1	2992 if ((IME & 1) && (IF & IE) && armIrqEnable)
rlm@1	2993 {
rlm@1	2994 CPU_BREAK_LOOP_2;
rlm@1	2995 }
rlm@1	2996 break;
rlm@1	2997 case 0x300:
rlm@1	2998 if (value != 0)
rlm@1	2999 value &= 0xFFFE;
rlm@1	3000 UPDATE_REG(0x300, value);
rlm@1	3001 break;
rlm@1	3002 default:
rlm@1	3003 UPDATE_REG(address & 0x3FE, value);
rlm@1	3004 break;
rlm@1	3005 }
rlm@1	3006 }
rlm@1	3007
rlm@1	3008 void CPUWriteHalfWordWrapped(u32 address, u16 value)
rlm@1	3009 {
rlm@1	3010 #ifdef GBA_LOGGING
rlm@1	3011 if (address & 1)
rlm@1	3012 {
rlm@1	3013 if (systemVerbose & VERBOSE_UNALIGNED_MEMORY)
rlm@1	3014 {
rlm@1	3015 log("Unaligned halfword write: %04x to %08x from %08x\n",
rlm@1	3016 value,
rlm@1	3017 address,
rlm@1	3018 armMode ? armNextPC - 4 : armNextPC - 2);
rlm@1	3019 }
rlm@1	3020 }
rlm@1	3021 #endif
rlm@1	3022
rlm@1	3023 switch (address >> 24)
rlm@1	3024 {
rlm@1	3025 case 2:
rlm@1	3026 #ifdef SDL
rlm@1	3027 if (((u16 )&freezeWorkRAM[address & 0x3FFFE]))
rlm@1	3028 cheatsWriteHalfWord((u16 *)&workRAM[address & 0x3FFFE],
rlm@1	3029 value,
rlm@1	3030 ((u16 )&freezeWorkRAM[address & 0x3FFFE]));
rlm@1	3031 else
rlm@1	3032 #endif
rlm@1	3033 WRITE16LE(((u16 *)&workRAM[address & 0x3FFFE]), value);
rlm@1	3034 break;
rlm@1	3035 case 3:
rlm@1	3036 #ifdef SDL
rlm@1	3037 if (((u16 )&freezeInternalRAM[address & 0x7ffe]))
rlm@1	3038 cheatsWriteHalfWord((u16 *)&internalRAM[address & 0x7ffe],
rlm@1	3039 value,
rlm@1	3040 ((u16 )&freezeInternalRAM[address & 0x7ffe]));
rlm@1	3041 else
rlm@1	3042 #endif
rlm@1	3043 WRITE16LE(((u16 *)&internalRAM[address & 0x7ffe]), value);
rlm@1	3044 break;
rlm@1	3045 case 4:
rlm@1	3046 CPUUpdateRegister(address & 0x3fe, value);
rlm@1	3047 break;
rlm@1	3048 case 5:
rlm@1	3049 WRITE16LE(((u16 *)&paletteRAM[address & 0x3fe]), value);
rlm@1	3050 break;
rlm@1	3051 case 6:
rlm@1	3052 if (address & 0x10000)
rlm@1	3053 WRITE16LE(((u16 *)&vram[address & 0x17ffe]), value);
rlm@1	3054 else
rlm@1	3055 WRITE16LE(((u16 *)&vram[address & 0x1fffe]), value);
rlm@1	3056 break;
rlm@1	3057 case 7:
rlm@1	3058 WRITE16LE(((u16 *)&oam[address & 0x3fe]), value);
rlm@1	3059 break;
rlm@1	3060 case 8:
rlm@1	3061 case 9:
rlm@1	3062 if (address == 0x80000c4 \|\| address == 0x80000c6 \|\| address == 0x80000c8)
rlm@1	3063 {
rlm@1	3064 if (!rtcWrite(address, value))
rlm@1	3065 goto unwritable;
rlm@1	3066 }
rlm@1	3067 else if (!agbPrintWrite(address, value))
rlm@1	3068 goto unwritable;
rlm@1	3069 break;
rlm@1	3070 case 13:
rlm@1	3071 if (cpuEEPROMEnabled)
rlm@1	3072 {
rlm@1	3073 eepromWrite(address, (u8)(value & 0xFF));
rlm@1	3074 break;
rlm@1	3075 }
rlm@1	3076 goto unwritable;
rlm@1	3077 case 14:
rlm@1	3078 if (!eepromInUse \| cpuSramEnabled \| cpuFlashEnabled)
rlm@1	3079 {
rlm@1	3080 (*cpuSaveGameFunc)(address, (u8)(value & 0xFF));
rlm@1	3081 break;
rlm@1	3082 }
rlm@1	3083 goto unwritable;
rlm@1	3084 default:
rlm@1	3085 unwritable:
rlm@1	3086 #ifdef GBA_LOGGING
rlm@1	3087 if (systemVerbose & VERBOSE_ILLEGAL_WRITE)
rlm@1	3088 {
rlm@1	3089 log("Illegal halfword write: %04x to %08x from %08x\n",
rlm@1	3090 value,
rlm@1	3091 address,
rlm@1	3092 armMode ? armNextPC - 4 : armNextPC - 2);
rlm@1	3093 }
rlm@1	3094 #endif
rlm@1	3095 break;
rlm@1	3096 }
rlm@1	3097 }
rlm@1	3098
rlm@1	3099 void CPUWriteHalfWord(u32 address, u16 value)
rlm@1	3100 {
rlm@1	3101 CPUWriteHalfWordWrapped(address, value);
rlm@1	3102 CallRegisteredLuaMemHook(address, 2, value, LUAMEMHOOK_WRITE);
rlm@1	3103 }
rlm@1	3104
rlm@1	3105 void CPUWriteByteWrapped(u32 address, u8 b)
rlm@1	3106 {
rlm@1	3107 switch (address >> 24)
rlm@1	3108 {
rlm@1	3109 case 2:
rlm@1	3110 #ifdef SDL
rlm@1	3111 if (freezeWorkRAM[address & 0x3FFFF])
rlm@1	3112 cheatsWriteByte(&workRAM[address & 0x3FFFF], b);
rlm@1	3113 else
rlm@1	3114 #endif
rlm@1	3115 workRAM[address & 0x3FFFF] = b;
rlm@1	3116 break;
rlm@1	3117 case 3:
rlm@1	3118 #ifdef SDL
rlm@1	3119 if (freezeInternalRAM[address & 0x7fff])
rlm@1	3120 cheatsWriteByte(&internalRAM[address & 0x7fff], b);
rlm@1	3121 else
rlm@1	3122 #endif
rlm@1	3123 internalRAM[address & 0x7fff] = b;
rlm@1	3124 break;
rlm@1	3125 case 4:
rlm@1	3126 switch (address & 0x3FF)
rlm@1	3127 {
rlm@1	3128 case 0x301:
rlm@1	3129 if (b == 0x80)
rlm@1	3130 stopState = true;
rlm@1	3131 holdState = 1;
rlm@1	3132 holdType = -1;
rlm@1	3133 break;
rlm@1	3134 case 0x60:
rlm@1	3135 case 0x61:
rlm@1	3136 case 0x62:
rlm@1	3137 case 0x63:
rlm@1	3138 case 0x64:
rlm@1	3139 case 0x65:
rlm@1	3140 case 0x68:
rlm@1	3141 case 0x69:
rlm@1	3142 case 0x6c:
rlm@1	3143 case 0x6d:
rlm@1	3144 case 0x70:
rlm@1	3145 case 0x71:
rlm@1	3146 case 0x72:
rlm@1	3147 case 0x73:
rlm@1	3148 case 0x74:
rlm@1	3149 case 0x75:
rlm@1	3150 case 0x78:
rlm@1	3151 case 0x79:
rlm@1	3152 case 0x7c:
rlm@1	3153 case 0x7d:
rlm@1	3154 case 0x80:
rlm@1	3155 case 0x81:
rlm@1	3156 case 0x84:
rlm@1	3157 case 0x85:
rlm@1	3158 case 0x90:
rlm@1	3159 case 0x91:
rlm@1	3160 case 0x92:
rlm@1	3161 case 0x93:
rlm@1	3162 case 0x94:
rlm@1	3163 case 0x95:
rlm@1	3164 case 0x96:
rlm@1	3165 case 0x97:
rlm@1	3166 case 0x98:
rlm@1	3167 case 0x99:
rlm@1	3168 case 0x9a:
rlm@1	3169 case 0x9b:
rlm@1	3170 case 0x9c:
rlm@1	3171 case 0x9d:
rlm@1	3172 case 0x9e:
rlm@1	3173 case 0x9f:
rlm@1	3174 soundEvent(address & 0xFF, b);
rlm@1	3175 break;
rlm@1	3176 default:
rlm@1	3177 // if(address & 1) {
rlm@1	3178 // CPUWriteHalfWord(address-1, (CPUReadHalfWord(address-1)&0x00FF)\|((int)b<<8));
rlm@1	3179 // } else
rlm@1	3180 if (address & 1)
rlm@1	3181 CPUUpdateRegister(address & 0x3fe,
rlm@1	3182 ((READ16LE(((u16 *)&ioMem[address & 0x3fe])))
rlm@1	3183 & 0x00FF) \|
rlm@1	3184 b << 8);
rlm@1	3185 else
rlm@1	3186 CPUUpdateRegister(address & 0x3fe,
rlm@1	3187 ((READ16LE(((u16 *)&ioMem[address & 0x3fe])) & 0xFF00) \| b));
rlm@1	3188 }
rlm@1	3189 break;
rlm@1	3190 case 5:
rlm@1	3191 // no need to switch
rlm@1	3192 ((u16 )&paletteRAM[address & 0x3FE]) = (b << 8) \| b;
rlm@1	3193 break;
rlm@1	3194 case 6:
rlm@1	3195 // no need to switch
rlm@1	3196 if (address & 0x10000)
rlm@1	3197 ((u16 )&vram[address & 0x17FFE]) = (b << 8) \| b;
rlm@1	3198 else
rlm@1	3199 ((u16 )&vram[address & 0x1FFFE]) = (b << 8) \| b;
rlm@1	3200 break;
rlm@1	3201 case 7:
rlm@1	3202 // no need to switch
rlm@1	3203 ((u16 )&oam[address & 0x3FE]) = (b << 8) \| b;
rlm@1	3204 break;
rlm@1	3205 case 13:
rlm@1	3206 if (cpuEEPROMEnabled)
rlm@1	3207 {
rlm@1	3208 eepromWrite(address, b);
rlm@1	3209 break;
rlm@1	3210 }
rlm@1	3211 goto unwritable;
rlm@1	3212 case 14:
rlm@1	3213 if (!eepromInUse \| cpuSramEnabled \| cpuFlashEnabled)
rlm@1	3214 {
rlm@1	3215 (*cpuSaveGameFunc)(address, b);
rlm@1	3216 break;
rlm@1	3217 }
rlm@1	3218 // default
rlm@1	3219 default:
rlm@1	3220 unwritable:
rlm@1	3221 #ifdef GBA_LOGGING
rlm@1	3222 if (systemVerbose & VERBOSE_ILLEGAL_WRITE)
rlm@1	3223 {
rlm@1	3224 log("Illegal byte write: %02x to %08x from %08x\n",
rlm@1	3225 b,
rlm@1	3226 address,
rlm@1	3227 armMode ? armNextPC - 4 : armNextPC - 2);
rlm@1	3228 }
rlm@1	3229 #endif
rlm@1	3230 break;
rlm@1	3231 }
rlm@1	3232 }
rlm@1	3233
rlm@1	3234 void CPUWriteByte(u32 address, u8 b)
rlm@1	3235 {
rlm@1	3236 CPUWriteByteWrapped(address, b);
rlm@1	3237 CallRegisteredLuaMemHook(address, 1, b, LUAMEMHOOK_WRITE);
rlm@1	3238 }
rlm@1	3239
rlm@1	3240 bool CPULoadBios(const char *biosFileName, bool useBiosFile)
rlm@1	3241 {
rlm@1	3242 useBios = false;
rlm@1	3243 if (useBiosFile)
rlm@1	3244 {
rlm@1	3245 useBios = utilLoadBIOS(bios, biosFileName, 4);
rlm@1	3246 if (!useBios)
rlm@1	3247 {
rlm@1	3248 systemMessage(MSG_INVALID_BIOS_FILE_SIZE, N_("Invalid GBA BIOS file"));
rlm@1	3249 }
rlm@1	3250 }
rlm@1	3251
rlm@1	3252 if (!useBios)
rlm@1	3253 {
rlm@1	3254 // load internal BIOS
rlm@1	3255 memcpy(bios, myROM, sizeof(myROM));
rlm@1	3256 }
rlm@1	3257
rlm@1	3258 return useBios;
rlm@1	3259 }
rlm@1	3260
rlm@1	3261 void CPUInit()
rlm@1	3262 {
rlm@1	3263 #ifdef WORDS_BIGENDIAN
rlm@1	3264 if (!cpuBiosSwapped)
rlm@1	3265 {
rlm@1	3266 for (unsigned int i = 0; i < sizeof(myROM) / 4; i++)
rlm@1	3267 {
rlm@1	3268 WRITE32LE(&myROM[i], myROM[i]);
rlm@1	3269 }
rlm@1	3270 cpuBiosSwapped = true;
rlm@1	3271 }
rlm@1	3272 #endif
rlm@1	3273 gbaSaveType = 0;
rlm@1	3274 eepromInUse = 0;
rlm@1	3275 saveType = 0;
rlm@1	3276
rlm@1	3277 if (!useBios)
rlm@1	3278 {
rlm@1	3279 // load internal BIOS
rlm@1	3280 memcpy(bios, myROM, sizeof(myROM));
rlm@1	3281 }
rlm@1	3282
rlm@1	3283 biosProtected[0] = 0x00;
rlm@1	3284 biosProtected[1] = 0xf0;
rlm@1	3285 biosProtected[2] = 0x29;
rlm@1	3286 biosProtected[3] = 0xe1;
rlm@1	3287
rlm@1	3288 int i = 0;
rlm@1	3289 for (i = 0; i < 256; i++)
rlm@1	3290 {
rlm@1	3291 int cpuBitSetCount = 0;
rlm@1	3292 int j;
rlm@1	3293 for (j = 0; j < 8; j++)
rlm@1	3294 if (i & (1 << j))
rlm@1	3295 cpuBitSetCount++;
rlm@1	3296 cpuBitsSet[i] = cpuBitSetCount;
rlm@1	3297
rlm@1	3298 for (j = 0; j < 8; j++)
rlm@1	3299 if (i & (1 << j))
rlm@1	3300 break;
rlm@1	3301 cpuLowestBitSet[i] = j;
rlm@1	3302 }
rlm@1	3303
rlm@1	3304 for (i = 0; i < 0x400; i++)
rlm@1	3305 ioReadable[i] = true;
rlm@1	3306 for (i = 0x10; i < 0x48; i++)
rlm@1	3307 ioReadable[i] = false;
rlm@1	3308 for (i = 0x4c; i < 0x50; i++)
rlm@1	3309 ioReadable[i] = false;
rlm@1	3310 for (i = 0x54; i < 0x60; i++)
rlm@1	3311 ioReadable[i] = false;
rlm@1	3312 for (i = 0x8c; i < 0x90; i++)
rlm@1	3313 ioReadable[i] = false;
rlm@1	3314 for (i = 0xa0; i < 0xb8; i++)
rlm@1	3315 ioReadable[i] = false;
rlm@1	3316 for (i = 0xbc; i < 0xc4; i++)
rlm@1	3317 ioReadable[i] = false;
rlm@1	3318 for (i = 0xc8; i < 0xd0; i++)
rlm@1	3319 ioReadable[i] = false;
rlm@1	3320 for (i = 0xd4; i < 0xdc; i++)
rlm@1	3321 ioReadable[i] = false;
rlm@1	3322 for (i = 0xe0; i < 0x100; i++)
rlm@1	3323 ioReadable[i] = false;
rlm@1	3324 for (i = 0x110; i < 0x120; i++)
rlm@1	3325 ioReadable[i] = false;
rlm@1	3326 for (i = 0x12c; i < 0x130; i++)
rlm@1	3327 ioReadable[i] = false;
rlm@1	3328 for (i = 0x138; i < 0x140; i++)
rlm@1	3329 ioReadable[i] = false;
rlm@1	3330 for (i = 0x144; i < 0x150; i++)
rlm@1	3331 ioReadable[i] = false;
rlm@1	3332 for (i = 0x15c; i < 0x200; i++)
rlm@1	3333 ioReadable[i] = false;
rlm@1	3334 for (i = 0x20c; i < 0x300; i++)
rlm@1	3335 ioReadable[i] = false;
rlm@1	3336 for (i = 0x304; i < 0x400; i++)
rlm@1	3337 ioReadable[i] = false;
rlm@1	3338
rlm@1	3339 ((u16 )&rom[0x1fe209c]) = 0xdffa; // SWI 0xFA
rlm@1	3340 ((u16 )&rom[0x1fe209e]) = 0x4770; // BX LR
rlm@1	3341
rlm@1	3342 {
rlm@1	3343 int32 origMemoryWaitFetch[16] = { 3, 0, 3, 0, 0, 1, 1, 0, 4, 4, 4, 4, 4, 4, 4, 0 };
rlm@1	3344 int32 origMemoryWaitFetch32[16] = { 6, 0, 6, 0, 0, 2, 2, 0, 8, 8, 8, 8, 8, 8, 8, 0 };
rlm@1	3345 memcpy(memoryWaitFetch, origMemoryWaitFetch, 16 * sizeof(int32));
rlm@1	3346 memcpy(memoryWaitFetch32, origMemoryWaitFetch32, 16 * sizeof(int32));
rlm@1	3347 }
rlm@1	3348 }
rlm@1	3349
rlm@1	3350 void CPUReset(bool userReset)
rlm@1	3351 {
rlm@1	3352 // movie must be closed while opening/creating a movie
rlm@1	3353 if (userReset && VBAMovieRecording())
rlm@1	3354 {
rlm@1	3355 VBAMovieSignalReset();
rlm@1	3356 return;
rlm@1	3357 }
rlm@1	3358
rlm@1	3359 if (!VBAMovieActive())
rlm@1	3360 {
rlm@1	3361 GBASystemCounters.frameCount = 0;
rlm@1	3362 GBASystemCounters.lagCount = 0;
rlm@1	3363 GBASystemCounters.extraCount = 0;
rlm@1	3364 GBASystemCounters.lagged = true;
rlm@1	3365 GBASystemCounters.laggedLast = true;
rlm@1	3366 }
rlm@1	3367
rlm@1	3368 if (gbaSaveType == 0)
rlm@1	3369 {
rlm@1	3370 if (eepromInUse)
rlm@1	3371 gbaSaveType = 3;
rlm@1	3372 else
rlm@1	3373 switch (saveType)
rlm@1	3374 {
rlm@1	3375 case 1:
rlm@1	3376 gbaSaveType = 1;
rlm@1	3377 break;
rlm@1	3378 case 2:
rlm@1	3379 gbaSaveType = 2;
rlm@1	3380 break;
rlm@1	3381 }
rlm@1	3382 }
rlm@1	3383
rlm@1	3384 rtcReset();
rlm@1	3385 // clean registers
rlm@1	3386 memset(&reg[0], 0, sizeof(reg));
rlm@1	3387 // clean OAM
rlm@1	3388 memset(oam, 0, 0x400);
rlm@1	3389 // clean palette
rlm@1	3390 memset(paletteRAM, 0, 0x400);
rlm@1	3391 // clean picture
rlm@1	3392 memset(pix, 0, 4 * 241 * 162);
rlm@1	3393 // clean vram
rlm@1	3394 memset(vram, 0, 0x20000);
rlm@1	3395 // clean io memory
rlm@1	3396 memset(ioMem, 0, 0x400);
rlm@1	3397 // clean RAM
rlm@1	3398 memset(internalRAM, 0, 0x8000); /// FIXME: is it unsafe to erase ALL of this? Even the init code doesn't.
rlm@1	3399 memset(workRAM, 0, 0x40000); /// ditto
rlm@1	3400
rlm@1	3401 DISPCNT = 0x0080;
rlm@1	3402 DISPSTAT = 0x0000;
rlm@1	3403 VCOUNT = 0x0000;
rlm@1	3404 BG0CNT = 0x0000;
rlm@1	3405 BG1CNT = 0x0000;
rlm@1	3406 BG2CNT = 0x0000;
rlm@1	3407 BG3CNT = 0x0000;
rlm@1	3408 BG0HOFS = 0x0000;
rlm@1	3409 BG0VOFS = 0x0000;
rlm@1	3410 BG1HOFS = 0x0000;
rlm@1	3411 BG1VOFS = 0x0000;
rlm@1	3412 BG2HOFS = 0x0000;
rlm@1	3413 BG2VOFS = 0x0000;
rlm@1	3414 BG3HOFS = 0x0000;
rlm@1	3415 BG3VOFS = 0x0000;
rlm@1	3416 BG2PA = 0x0100;
rlm@1	3417 BG2PB = 0x0000;
rlm@1	3418 BG2PC = 0x0000;
rlm@1	3419 BG2PD = 0x0100;
rlm@1	3420 BG2X_L = 0x0000;
rlm@1	3421 BG2X_H = 0x0000;
rlm@1	3422 BG2Y_L = 0x0000;
rlm@1	3423 BG2Y_H = 0x0000;
rlm@1	3424 BG3PA = 0x0100;
rlm@1	3425 BG3PB = 0x0000;
rlm@1	3426 BG3PC = 0x0000;
rlm@1	3427 BG3PD = 0x0100;
rlm@1	3428 BG3X_L = 0x0000;
rlm@1	3429 BG3X_H = 0x0000;
rlm@1	3430 BG3Y_L = 0x0000;
rlm@1	3431 BG3Y_H = 0x0000;
rlm@1	3432 WIN0H = 0x0000;
rlm@1	3433 WIN1H = 0x0000;
rlm@1	3434 WIN0V = 0x0000;
rlm@1	3435 WIN1V = 0x0000;
rlm@1	3436 WININ = 0x0000;
rlm@1	3437 WINOUT = 0x0000;
rlm@1	3438 MOSAIC = 0x0000;
rlm@1	3439 BLDMOD = 0x0000;
rlm@1	3440 COLEV = 0x0000;
rlm@1	3441 COLY = 0x0000;
rlm@1	3442 DM0SAD_L = 0x0000;
rlm@1	3443 DM0SAD_H = 0x0000;
rlm@1	3444 DM0DAD_L = 0x0000;
rlm@1	3445 DM0DAD_H = 0x0000;
rlm@1	3446 DM0CNT_L = 0x0000;
rlm@1	3447 DM0CNT_H = 0x0000;
rlm@1	3448 DM1SAD_L = 0x0000;
rlm@1	3449 DM1SAD_H = 0x0000;
rlm@1	3450 DM1DAD_L = 0x0000;
rlm@1	3451 DM1DAD_H = 0x0000;
rlm@1	3452 DM1CNT_L = 0x0000;
rlm@1	3453 DM1CNT_H = 0x0000;
rlm@1	3454 DM2SAD_L = 0x0000;
rlm@1	3455 DM2SAD_H = 0x0000;
rlm@1	3456 DM2DAD_L = 0x0000;
rlm@1	3457 DM2DAD_H = 0x0000;
rlm@1	3458 DM2CNT_L = 0x0000;
rlm@1	3459 DM2CNT_H = 0x0000;
rlm@1	3460 DM3SAD_L = 0x0000;
rlm@1	3461 DM3SAD_H = 0x0000;
rlm@1	3462 DM3DAD_L = 0x0000;
rlm@1	3463 DM3DAD_H = 0x0000;
rlm@1	3464 DM3CNT_L = 0x0000;
rlm@1	3465 DM3CNT_H = 0x0000;
rlm@1	3466 TM0D = 0x0000;
rlm@1	3467 TM0CNT = 0x0000;
rlm@1	3468 TM1D = 0x0000;
rlm@1	3469 TM1CNT = 0x0000;
rlm@1	3470 TM2D = 0x0000;
rlm@1	3471 TM2CNT = 0x0000;
rlm@1	3472 TM3D = 0x0000;
rlm@1	3473 TM3CNT = 0x0000;
rlm@1	3474 P1 = 0x03FF;
rlm@1	3475 IE = 0x0000;
rlm@1	3476 IF = 0x0000;
rlm@1	3477 IME = 0x0000;
rlm@1	3478
rlm@1	3479 armMode = 0x1F;
rlm@1	3480
rlm@1	3481 if (cpuIsMultiBoot)
rlm@1	3482 {
rlm@1	3483 reg[13].I = 0x03007F00;
rlm@1	3484 reg[15].I = 0x02000000;
rlm@1	3485 reg[16].I = 0x00000000;
rlm@1	3486 reg[R13_IRQ].I = 0x03007FA0;
rlm@1	3487 reg[R13_SVC].I = 0x03007FE0;
rlm@1	3488 armIrqEnable = true;
rlm@1	3489 }
rlm@1	3490 else
rlm@1	3491 {
rlm@1	3492 if (useBios && !skipBios)
rlm@1	3493 {
rlm@1	3494 reg[15].I = 0x00000000;
rlm@1	3495 armMode = 0x13;
rlm@1	3496 armIrqEnable = false;
rlm@1	3497 }
rlm@1	3498 else
rlm@1	3499 {
rlm@1	3500 reg[13].I = 0x03007F00;
rlm@1	3501 reg[15].I = 0x08000000;
rlm@1	3502 reg[16].I = 0x00000000;
rlm@1	3503 reg[R13_IRQ].I = 0x03007FA0;
rlm@1	3504 reg[R13_SVC].I = 0x03007FE0;
rlm@1	3505 armIrqEnable = true;
rlm@1	3506 }
rlm@1	3507 }
rlm@1	3508 armState = true;
rlm@1	3509 C_FLAG = V_FLAG = N_FLAG = Z_FLAG = false;
rlm@1	3510 UPDATE_REG(0x00, DISPCNT);
rlm@1	3511 UPDATE_REG(0x20, BG2PA);
rlm@1	3512 UPDATE_REG(0x26, BG2PD);
rlm@1	3513 UPDATE_REG(0x30, BG3PA);
rlm@1	3514 UPDATE_REG(0x36, BG3PD);
rlm@1	3515 UPDATE_REG(0x130, P1);
rlm@1	3516 UPDATE_REG(0x88, 0x200);
rlm@1	3517
rlm@1	3518 // disable FIQ
rlm@1	3519 reg[16].I \|= 0x40;
rlm@1	3520 CPUUpdateCPSR();
rlm@1	3521
rlm@1	3522 armNextPC = reg[15].I;
rlm@1	3523 reg[15].I += 4;
rlm@1	3524
rlm@1	3525 // reset internal state
rlm@1	3526 holdState = false;
rlm@1	3527 holdType = 0;
rlm@1	3528
rlm@1	3529 biosProtected[0] = 0x00;
rlm@1	3530 biosProtected[1] = 0xf0;
rlm@1	3531 biosProtected[2] = 0x29;
rlm@1	3532 biosProtected[3] = 0xe1;
rlm@1	3533
rlm@1	3534 BIOS_RegisterRamReset();
rlm@1	3535
rlm@1	3536 lcdTicks = 960;
rlm@1	3537 timer0On = false;
rlm@1	3538 timer0Ticks = 0;
rlm@1	3539 timer0Reload = 0;
rlm@1	3540 timer0ClockReload = 0;
rlm@1	3541 timer1On = false;
rlm@1	3542 timer1Ticks = 0;
rlm@1	3543 timer1Reload = 0;
rlm@1	3544 timer1ClockReload = 0;
rlm@1	3545 timer2On = false;
rlm@1	3546 timer2Ticks = 0;
rlm@1	3547 timer2Reload = 0;
rlm@1	3548 timer2ClockReload = 0;
rlm@1	3549 timer3On = false;
rlm@1	3550 timer3Ticks = 0;
rlm@1	3551 timer3Reload = 0;
rlm@1	3552 timer3ClockReload = 0;
rlm@1	3553 dma0Source = 0;
rlm@1	3554 dma0Dest = 0;
rlm@1	3555 dma1Source = 0;
rlm@1	3556 dma1Dest = 0;
rlm@1	3557 dma2Source = 0;
rlm@1	3558 dma2Dest = 0;
rlm@1	3559 dma3Source = 0;
rlm@1	3560 dma3Dest = 0;
rlm@1	3561 cpuSaveGameFunc = flashSaveDecide;
rlm@1	3562 renderLine = mode0RenderLine;
rlm@1	3563 fxOn = false;
rlm@1	3564 windowOn = false;
rlm@1	3565 frameSkipCount = 0;
rlm@1	3566 saveType = 0;
rlm@1	3567 layerEnable = DISPCNT & layerSettings;
rlm@1	3568
rlm@1	3569 CPUUpdateRenderBuffers(true);
rlm@1	3570
rlm@1	3571 for (int i = 0; i < 256; i++)
rlm@1	3572 {
rlm@1	3573 map[i].address = (u8 *)&dummyAddress;
rlm@1	3574 map[i].mask = 0;
rlm@1	3575 }
rlm@1	3576
rlm@1	3577 map[0].address = bios;
rlm@1	3578 map[0].mask = 0x3FFF;
rlm@1	3579 map[2].address = workRAM;
rlm@1	3580 map[2].mask = 0x3FFFF;
rlm@1	3581 map[3].address = internalRAM;
rlm@1	3582 map[3].mask = 0x7FFF;
rlm@1	3583 map[4].address = ioMem;
rlm@1	3584 map[4].mask = 0x3FF;
rlm@1	3585 map[5].address = paletteRAM;
rlm@1	3586 map[5].mask = 0x3FF;
rlm@1	3587 map[6].address = vram;
rlm@1	3588 map[6].mask = 0x1FFFF;
rlm@1	3589 map[7].address = oam;
rlm@1	3590 map[7].mask = 0x3FF;
rlm@1	3591 map[8].address = rom;
rlm@1	3592 map[8].mask = 0x1FFFFFF;
rlm@1	3593 map[9].address = rom;
rlm@1	3594 map[9].mask = 0x1FFFFFF;
rlm@1	3595 map[10].address = rom;
rlm@1	3596 map[10].mask = 0x1FFFFFF;
rlm@1	3597 map[12].address = rom;
rlm@1	3598 map[12].mask = 0x1FFFFFF;
rlm@1	3599 map[14].address = flashSaveMemory;
rlm@1	3600 map[14].mask = 0xFFFF;
rlm@1	3601
rlm@1	3602 eepromReset();
rlm@1	3603 flashReset();
rlm@1	3604
rlm@1	3605 soundReset();
rlm@1	3606
rlm@1	3607 CPUUpdateWindow0();
rlm@1	3608 CPUUpdateWindow1();
rlm@1	3609
rlm@1	3610 // make sure registers are correctly initialized if not using BIOS
rlm@1	3611 if (!useBios)
rlm@1	3612 {
rlm@1	3613 if (cpuIsMultiBoot)
rlm@1	3614 BIOS_RegisterRamReset(0xfe);
rlm@1	3615 else
rlm@1	3616 BIOS_RegisterRamReset(0xff);
rlm@1	3617 }
rlm@1	3618 else
rlm@1	3619 {
rlm@1	3620 if (cpuIsMultiBoot)
rlm@1	3621 BIOS_RegisterRamReset(0xfe);
rlm@1	3622 }
rlm@1	3623
rlm@1	3624 switch (cpuSaveType)
rlm@1	3625 {
rlm@1	3626 case 0: // automatic
rlm@1	3627 cpuSramEnabled = true;
rlm@1	3628 cpuFlashEnabled = true;
rlm@1	3629 cpuEEPROMEnabled = true;
rlm@1	3630 cpuEEPROMSensorEnabled = false;
rlm@1	3631 break;
rlm@1	3632 case 1: // EEPROM
rlm@1	3633 cpuSramEnabled = false;
rlm@1	3634 cpuFlashEnabled = false;
rlm@1	3635 cpuEEPROMEnabled = true;
rlm@1	3636 cpuEEPROMSensorEnabled = false;
rlm@1	3637 break;
rlm@1	3638 case 2: // SRAM
rlm@1	3639 cpuSramEnabled = true;
rlm@1	3640 cpuFlashEnabled = false;
rlm@1	3641 cpuEEPROMEnabled = false;
rlm@1	3642 cpuEEPROMSensorEnabled = false;
rlm@1	3643 cpuSaveGameFunc = sramWrite;
rlm@1	3644 break;
rlm@1	3645 case 3: // FLASH
rlm@1	3646 cpuSramEnabled = false;
rlm@1	3647 cpuFlashEnabled = true;
rlm@1	3648 cpuEEPROMEnabled = false;
rlm@1	3649 cpuEEPROMSensorEnabled = false;
rlm@1	3650 cpuSaveGameFunc = flashWrite;
rlm@1	3651 break;
rlm@1	3652 case 4: // EEPROM+Sensor
rlm@1	3653 cpuSramEnabled = false;
rlm@1	3654 cpuFlashEnabled = false;
rlm@1	3655 cpuEEPROMEnabled = true;
rlm@1	3656 cpuEEPROMSensorEnabled = true;
rlm@1	3657 break;
rlm@1	3658 case 5: // NONE
rlm@1	3659 cpuSramEnabled = false;
rlm@1	3660 cpuFlashEnabled = false;
rlm@1	3661 cpuEEPROMEnabled = false;
rlm@1	3662 cpuEEPROMSensorEnabled = false;
rlm@1	3663 break;
rlm@1	3664 }
rlm@1	3665
rlm@1	3666 systemResetSensor();
rlm@1	3667
rlm@1	3668 systemSaveUpdateCounter = SYSTEM_SAVE_NOT_UPDATED;
rlm@1	3669
rlm@1	3670 gbaLastTime = systemGetClock();
rlm@1	3671 gbaFrameCount = 0;
rlm@1	3672
rlm@1	3673 systemRefreshScreen();
rlm@1	3674 }
rlm@1	3675
rlm@1	3676 void CPUInterrupt()
rlm@1	3677 {
rlm@1	3678 u32 PC = reg[15].I;
rlm@1	3679 bool savedState = armState;
rlm@1	3680 CPUSwitchMode(0x12, true, false);
rlm@1	3681 reg[14].I = PC;
rlm@1	3682 if (!savedState)
rlm@1	3683 reg[14].I += 2;
rlm@1	3684 reg[15].I = 0x18;
rlm@1	3685 armState = true;
rlm@1	3686 armIrqEnable = false;
rlm@1	3687
rlm@1	3688 armNextPC = reg[15].I;
rlm@1	3689 reg[15].I += 4;
rlm@1	3690
rlm@1	3691 // if(!holdState)
rlm@1	3692 biosProtected[0] = 0x02;
rlm@1	3693 biosProtected[1] = 0xc0;
rlm@1	3694 biosProtected[2] = 0x5e;
rlm@1	3695 biosProtected[3] = 0xe5;
rlm@1	3696 }
rlm@1	3697
rlm@1	3698 void TogglePrefetchHack()
rlm@1	3699 {
rlm@1	3700 memLagTempEnabled = !memLagTempEnabled;
rlm@1	3701
rlm@1	3702 if (emulating)
rlm@1	3703 {
rlm@1	3704 extern bool8 prefetchActive, prefetchPrevActive, prefetchApplies;
rlm@1	3705 if (prefetchApplies && prefetchActive == memLagTempEnabled)
rlm@1	3706 {
rlm@1	3707 prefetchActive = !prefetchActive;
rlm@1	3708 //if(prefetchActive && !prefetchPrevActive) systemScreenMessage("pre-fetch enabled",3,600);
rlm@1	3709 //if(!prefetchActive && prefetchPrevActive) systemScreenMessage("pre-fetch disabled",3,600);
rlm@1	3710 extern int32 memoryWaitFetch [16];
rlm@1	3711 if (prefetchActive)
rlm@1	3712 memoryWaitFetch[8]--;
rlm@1	3713 else
rlm@1	3714 memoryWaitFetch[8]++;
rlm@1	3715 prefetchPrevActive = prefetchActive;
rlm@1	3716 }
rlm@1	3717 }
rlm@1	3718 }
rlm@1	3719
rlm@1	3720 void SetPrefetchHack(bool set)
rlm@1	3721 {
rlm@1	3722 if ((bool)memLagTempEnabled == set)
rlm@1	3723 TogglePrefetchHack();
rlm@1	3724 }
rlm@1	3725
rlm@1	3726 #ifdef SDL
rlm@1	3727 void log(const char *defaultMsg, ...)
rlm@1	3728 {
rlm@1	3729 char buffer[2048];
rlm@1	3730 va_list valist;
rlm@1	3731
rlm@1	3732 va_start(valist, defaultMsg);
rlm@1	3733 vsprintf(buffer, defaultMsg, valist);
rlm@1	3734
rlm@1	3735 if (out == NULL)
rlm@1	3736 {
rlm@1	3737 out = fopen("trace.log", "w");
rlm@1	3738 }
rlm@1	3739
rlm@1	3740 fputs(buffer, out);
rlm@1	3741
rlm@1	3742 va_end(valist);
rlm@1	3743 }
rlm@1	3744
rlm@1	3745 #else
rlm@1	3746 extern void winlog(const char *, ...);
rlm@1	3747 #endif
rlm@1	3748
rlm@92	3749 void CPULoop2(int _ticks)
rlm@1	3750 {
rlm@1	3751 int32 ticks = _ticks;
rlm@1	3752 int32 clockTicks;
rlm@1	3753 int32 cpuLoopTicks = 0;
rlm@1	3754 int32 timerOverflow = 0;
rlm@1	3755 // variables used by the CPU core
rlm@1	3756
rlm@1	3757 extCpuLoopTicks = &cpuLoopTicks;
rlm@1	3758 extClockTicks = &clockTicks;
rlm@1	3759 extTicks = &ticks;
rlm@1	3760
rlm@1	3761 cpuLoopTicks = CPUUpdateTicks();
rlm@1	3762 if (cpuLoopTicks > ticks)
rlm@1	3763 {
rlm@1	3764 cpuLoopTicks = ticks;
rlm@1	3765 cpuSavedTicks = ticks;
rlm@1	3766 }
rlm@1	3767
rlm@1	3768 if (intState)
rlm@1	3769 {
rlm@1	3770 cpuLoopTicks = 5;
rlm@1	3771 cpuSavedTicks = 5;
rlm@1	3772 }
rlm@1	3773
rlm@1	3774 if (newFrame)
rlm@1	3775 {
rlm@1	3776 extern void VBAOnExitingFrameBoundary();
rlm@1	3777 VBAOnExitingFrameBoundary();
rlm@1	3778
rlm@1	3779 // update joystick information
rlm@1	3780 systemReadJoypads();
rlm@1	3781
rlm@1	3782 u32 joy = systemGetJoypad(0, cpuEEPROMSensorEnabled);
rlm@1	3783
rlm@1	3784 // if (cpuEEPROMSensorEnabled)
rlm@1	3785 // systemUpdateMotionSensor(0);
rlm@1	3786
rlm@1	3787 P1 = 0x03FF ^ (joy & 0x3FF);
rlm@1	3788 UPDATE_REG(0x130, P1);
rlm@1	3789 u16 P1CNT = READ16LE(((u16 *)&ioMem[0x132]));
rlm@1	3790 // this seems wrong, but there are cases where the game
rlm@1	3791 // can enter the stop state without requesting an IRQ from
rlm@1	3792 // the joypad.
rlm@1	3793 if ((P1CNT & 0x4000) \|\| stopState)
rlm@1	3794 {
rlm@1	3795 u16 p1 = (0x3FF ^ P1) & 0x3FF;
rlm@1	3796 if (P1CNT & 0x8000)
rlm@1	3797 {
rlm@1	3798 if (p1 == (P1CNT & 0x3FF))
rlm@1	3799 {
rlm@1	3800 IF \|= 0x1000;
rlm@1	3801 UPDATE_REG(0x202, IF);
rlm@1	3802 }
rlm@1	3803 }
rlm@1	3804 else
rlm@1	3805 {
rlm@1	3806 if (p1 & P1CNT)
rlm@1	3807 {
rlm@1	3808 IF \|= 0x1000;
rlm@1	3809 UPDATE_REG(0x202, IF);
rlm@1	3810 }
rlm@1	3811 }
rlm@1	3812 }
rlm@1	3813
rlm@1	3814 // HACK: some special "buttons"
rlm@1	3815 extButtons = (joy >> 18);
rlm@1	3816 speedup = (extButtons & 1) != 0;
rlm@1	3817
rlm@1	3818 VBAMovieResetIfRequested();
rlm@1	3819
rlm@1	3820 CallRegisteredLuaFunctions(LUACALL_BEFOREEMULATION);
rlm@1	3821
rlm@1	3822 newFrame = false;
rlm@1	3823 }
rlm@1	3824
rlm@1	3825 for (;; )
rlm@1	3826 {
rlm@1	3827 #ifndef FINAL_VERSION
rlm@1	3828 if (systemDebug)
rlm@1	3829 {
rlm@1	3830 if (systemDebug >= 10 && !holdState)
rlm@1	3831 {
rlm@1	3832 CPUUpdateCPSR();
rlm@1	3833 sprintf(
rlm@1	3834 buffer,
rlm@1	3835 "R00=%08x R01=%08x R02=%08x R03=%08x R04=%08x R05=%08x R06=%08x R07=%08x R08=%08x"
rlm@1	3836 "R09=%08x R10=%08x R11=%08x R12=%08x R13=%08x R14=%08x R15=%08x R16=%08x R17=%08x\n",
rlm@1	3837 reg[0].I,
rlm@1	3838 reg[1].I,
rlm@1	3839 reg[2].I,
rlm@1	3840 reg[3].I,
rlm@1	3841 reg[4].I,
rlm@1	3842 reg[5].I,
rlm@1	3843 reg[6].I,
rlm@1	3844 reg[7].I,
rlm@1	3845 reg[8].I,
rlm@1	3846 reg[9].I,
rlm@1	3847 reg[10].I,
rlm@1	3848 reg[11].I,
rlm@1	3849 reg[12].I,
rlm@1	3850 reg[13].I,
rlm@1	3851 reg[14].I,
rlm@1	3852 reg[15].I,
rlm@1	3853 reg[16].I,
rlm@1	3854 reg[17].I);
rlm@1	3855 #ifdef SDL
rlm@1	3856 log(buffer);
rlm@1	3857 #else
rlm@1	3858 winlog(buffer);
rlm@1	3859 #endif
rlm@1	3860 }
rlm@1	3861 else if (!holdState)
rlm@1	3862 {
rlm@1	3863 sprintf(buffer, "PC=%08x\n", armNextPC);
rlm@1	3864 #ifdef SDL
rlm@1	3865 log(buffer);
rlm@1	3866 #else
rlm@1	3867 winlog(buffer);
rlm@1	3868 #endif
rlm@1	3869 }
rlm@1	3870 }
rlm@1	3871 #endif
rlm@1	3872
rlm@1	3873 if (!holdState)
rlm@1	3874 {
rlm@1	3875 if (armState)
rlm@1	3876 {
rlm@1	3877 CallRegisteredLuaMemHook(armNextPC, 4, CPUReadMemoryQuick(armNextPC), LUAMEMHOOK_EXEC);
rlm@1	3878 #include "arm-new.h"
rlm@1	3879 }
rlm@1	3880 else
rlm@1	3881 {
rlm@1	3882 CallRegisteredLuaMemHook(armNextPC, 2, CPUReadHalfWordQuick(armNextPC), LUAMEMHOOK_EXEC);
rlm@1	3883 #include "thumb.h"
rlm@1	3884 }
rlm@1	3885 }
rlm@1	3886 else
rlm@1	3887 {
rlm@1	3888 clockTicks = lcdTicks;
rlm@1	3889
rlm@1	3890 if (soundTicks < clockTicks)
rlm@1	3891 clockTicks = soundTicks;
rlm@1	3892
rlm@1	3893 if (timer0On && (timer0Ticks < clockTicks))
rlm@1	3894 {
rlm@1	3895 clockTicks = timer0Ticks;
rlm@1	3896 }
rlm@1	3897 if (timer1On && (timer1Ticks < clockTicks))
rlm@1	3898 {
rlm@1	3899 clockTicks = timer1Ticks;
rlm@1	3900 }
rlm@1	3901 if (timer2On && (timer2Ticks < clockTicks))
rlm@1	3902 {
rlm@1	3903 clockTicks = timer2Ticks;
rlm@1	3904 }
rlm@1	3905 if (timer3On && (timer3Ticks < clockTicks))
rlm@1	3906 {
rlm@1	3907 clockTicks = timer3Ticks;
rlm@1	3908 }
rlm@1	3909 #ifdef PROFILING
rlm@1	3910 if (profilingTicksReload != 0)
rlm@1	3911 {
rlm@1	3912 if (profilingTicks < clockTicks)
rlm@1	3913 {
rlm@1	3914 clockTicks = profilingTicks;
rlm@1	3915 }
rlm@1	3916 }
rlm@1	3917 #endif
rlm@1	3918 }
rlm@1	3919
rlm@1	3920 cpuLoopTicks -= clockTicks;
rlm@1	3921 if ((cpuLoopTicks <= 0))
rlm@1	3922 {
rlm@1	3923 if (cpuSavedTicks)
rlm@1	3924 {
rlm@1	3925 clockTicks = cpuSavedTicks; // + cpuLoopTicks;
rlm@1	3926 }
rlm@1	3927 cpuDmaTicksToUpdate = -cpuLoopTicks;
rlm@1	3928
rlm@1	3929 updateLoop:
rlm@1	3930 lcdTicks -= clockTicks;
rlm@1	3931
rlm@1	3932 if (lcdTicks <= 0)
rlm@1	3933 {
rlm@1	3934 if (DISPSTAT & 1) // V-BLANK
rlm@1	3935 { // if in V-Blank mode, keep computing...
rlm@1	3936 if (DISPSTAT & 2)
rlm@1	3937 {
rlm@1	3938 lcdTicks += 960;
rlm@1	3939 VCOUNT++;
rlm@1	3940 UPDATE_REG(0x06, VCOUNT);
rlm@1	3941 DISPSTAT &= 0xFFFD;
rlm@1	3942 UPDATE_REG(0x04, DISPSTAT);
rlm@1	3943 CPUCompareVCOUNT();
rlm@1	3944 }
rlm@1	3945 else
rlm@1	3946 {
rlm@1	3947 lcdTicks += 272;
rlm@1	3948 DISPSTAT \|= 2;
rlm@1	3949 UPDATE_REG(0x04, DISPSTAT);
rlm@1	3950 if (DISPSTAT & 16)
rlm@1	3951 {
rlm@1	3952 IF \|= 2;
rlm@1	3953 UPDATE_REG(0x202, IF);
rlm@1	3954 }
rlm@1	3955 }
rlm@1	3956
rlm@1	3957 if (VCOUNT >= 228)
rlm@1	3958 {
rlm@1	3959 DISPSTAT &= 0xFFFC;
rlm@1	3960 UPDATE_REG(0x04, DISPSTAT);
rlm@1	3961 VCOUNT = 0;
rlm@1	3962 UPDATE_REG(0x06, VCOUNT);
rlm@1	3963 CPUCompareVCOUNT();
rlm@1	3964 }
rlm@1	3965 }
rlm@1	3966 else
rlm@1	3967 {
rlm@1	3968 int framesToSkip = systemFramesToSkip();
rlm@1	3969
rlm@1	3970 if (DISPSTAT & 2)
rlm@1	3971 {
rlm@1	3972 // if in H-Blank, leave it and move to drawing mode
rlm@1	3973 VCOUNT++;
rlm@1	3974 UPDATE_REG(0x06, VCOUNT);
rlm@1	3975
rlm@1	3976 lcdTicks += 960;
rlm@1	3977 DISPSTAT &= 0xFFFD;
rlm@1	3978 if (VCOUNT == 160)
rlm@1	3979 {
rlm@1	3980 DISPSTAT \|= 1;
rlm@1	3981 DISPSTAT &= 0xFFFD;
rlm@1	3982 UPDATE_REG(0x04, DISPSTAT);
rlm@1	3983 if (DISPSTAT & 0x0008)
rlm@1	3984 {
rlm@1	3985 IF \|= 1;
rlm@1	3986 UPDATE_REG(0x202, IF);
rlm@1	3987 }
rlm@1	3988 CPUCheckDMA(1, 0x0f);
rlm@1	3989
rlm@1	3990 systemFrame();
rlm@1	3991
rlm@1	3992 ++gbaFrameCount;
rlm@1	3993 u32 gbaCurrentTime = systemGetClock();
rlm@1	3994 if (gbaCurrentTime - gbaLastTime >= 1000)
rlm@1	3995 {
rlm@1	3996 systemShowSpeed(int(float(gbaFrameCount) * 100000 / (float(gbaCurrentTime - gbaLastTime) * 60) + .5f));
rlm@1	3997 gbaLastTime = gbaCurrentTime;
rlm@1	3998 gbaFrameCount = 0;
rlm@1	3999 }
rlm@1	4000
rlm@1	4001 ++GBASystemCounters.frameCount;
rlm@1	4002 if (GBASystemCounters.lagged)
rlm@1	4003 {
rlm@1	4004 ++GBASystemCounters.lagCount;
rlm@1	4005 }
rlm@1	4006 GBASystemCounters.laggedLast = GBASystemCounters.lagged;
rlm@1	4007 GBASystemCounters.lagged = true;
rlm@1	4008
rlm@1	4009 if (cheatsEnabled)
rlm@1	4010 cheatsCheckKeys(P1 ^ 0x3FF, extButtons);
rlm@1	4011
rlm@1	4012 extern void VBAOnEnteringFrameBoundary();
rlm@1	4013 VBAOnEnteringFrameBoundary();
rlm@1	4014
rlm@1	4015 newFrame = true;
rlm@1	4016
rlm@1	4017 pauseAfterFrameAdvance = systemPauseOnFrame();
rlm@1	4018
rlm@1	4019 if (frameSkipCount >= framesToSkip \|\| pauseAfterFrameAdvance)
rlm@1	4020 {
rlm@1	4021 systemRenderFrame();
rlm@1	4022 frameSkipCount = 0;
rlm@1	4023
rlm@1	4024 bool capturePressed = (extButtons & 2) != 0;
rlm@1	4025 if (capturePressed && !capturePrevious)
rlm@1	4026 {
rlm@1	4027 captureNumber = systemScreenCapture(captureNumber);
rlm@1	4028 }
rlm@1	4029 capturePrevious = capturePressed && !pauseAfterFrameAdvance;
rlm@1	4030 }
rlm@1	4031 else
rlm@1	4032 {
rlm@1	4033 ++frameSkipCount;
rlm@1	4034 }
rlm@1	4035
rlm@1	4036 if (pauseAfterFrameAdvance)
rlm@1	4037 {
rlm@1	4038 systemSetPause(true);
rlm@1	4039 }
rlm@1	4040 }
rlm@1	4041
rlm@1	4042 UPDATE_REG(0x04, DISPSTAT);
rlm@1	4043 CPUCompareVCOUNT();
rlm@1	4044 }
rlm@1	4045 else
rlm@1	4046 {
rlm@1	4047 if (frameSkipCount >= framesToSkip \|\| pauseAfterFrameAdvance)
rlm@1	4048 {
rlm@1	4049 (*renderLine)();
rlm@1	4050
rlm@1	4051 switch (systemColorDepth)
rlm@1	4052 {
rlm@1	4053 case 16:
rlm@1	4054 {
rlm@1	4055 u16 dest = (u16 )pix + 242 * (VCOUNT + 1);
rlm@1	4056 for (int x = 0; x < 240; )
rlm@1	4057 {
rlm@1	4058 *dest++ = systemColorMap16[lineMix[x++] & 0xFFFF];
rlm@1	4059 *dest++ = systemColorMap16[lineMix[x++] & 0xFFFF];
rlm@1	4060 *dest++ = systemColorMap16[lineMix[x++] & 0xFFFF];
rlm@1	4061 *dest++ = systemColorMap16[lineMix[x++] & 0xFFFF];
rlm@1	4062
rlm@1	4063 *dest++ = systemColorMap16[lineMix[x++] & 0xFFFF];
rlm@1	4064 *dest++ = systemColorMap16[lineMix[x++] & 0xFFFF];
rlm@1	4065 *dest++ = systemColorMap16[lineMix[x++] & 0xFFFF];
rlm@1	4066 *dest++ = systemColorMap16[lineMix[x++] & 0xFFFF];
rlm@1	4067
rlm@1	4068 *dest++ = systemColorMap16[lineMix[x++] & 0xFFFF];
rlm@1	4069 *dest++ = systemColorMap16[lineMix[x++] & 0xFFFF];
rlm@1	4070 *dest++ = systemColorMap16[lineMix[x++] & 0xFFFF];
rlm@1	4071 *dest++ = systemColorMap16[lineMix[x++] & 0xFFFF];
rlm@1	4072
rlm@1	4073 *dest++ = systemColorMap16[lineMix[x++] & 0xFFFF];
rlm@1	4074 *dest++ = systemColorMap16[lineMix[x++] & 0xFFFF];
rlm@1	4075 *dest++ = systemColorMap16[lineMix[x++] & 0xFFFF];
rlm@1	4076 *dest++ = systemColorMap16[lineMix[x++] & 0xFFFF];
rlm@1	4077 }
rlm@1	4078 // for filters that read past the screen
rlm@1	4079 *dest++ = 0;
rlm@1	4080 break;
rlm@1	4081 }
rlm@1	4082 case 24:
rlm@1	4083 {
rlm@1	4084 u8 dest = (u8 )pix + 240 * VCOUNT * 3;
rlm@1	4085 for (int x = 0; x < 240; )
rlm@1	4086 {
rlm@1	4087 ((u32 )dest) = systemColorMap32[lineMix[x++] & 0xFFFF];
rlm@1	4088 dest += 3;
rlm@1	4089 ((u32 )dest) = systemColorMap32[lineMix[x++] & 0xFFFF];
rlm@1	4090 dest += 3;
rlm@1	4091 ((u32 )dest) = systemColorMap32[lineMix[x++] & 0xFFFF];
rlm@1	4092 dest += 3;
rlm@1	4093 ((u32 )dest) = systemColorMap32[lineMix[x++] & 0xFFFF];
rlm@1	4094 dest += 3;
rlm@1	4095
rlm@1	4096 ((u32 )dest) = systemColorMap32[lineMix[x++] & 0xFFFF];
rlm@1	4097 dest += 3;
rlm@1	4098 ((u32 )dest) = systemColorMap32[lineMix[x++] & 0xFFFF];
rlm@1	4099 dest += 3;
rlm@1	4100 ((u32 )dest) = systemColorMap32[lineMix[x++] & 0xFFFF];
rlm@1	4101 dest += 3;
rlm@1	4102 ((u32 )dest) = systemColorMap32[lineMix[x++] & 0xFFFF];
rlm@1	4103 dest += 3;
rlm@1	4104
rlm@1	4105 ((u32 )dest) = systemColorMap32[lineMix[x++] & 0xFFFF];
rlm@1	4106 dest += 3;
rlm@1	4107 ((u32 )dest) = systemColorMap32[lineMix[x++] & 0xFFFF];
rlm@1	4108 dest += 3;
rlm@1	4109 ((u32 )dest) = systemColorMap32[lineMix[x++] & 0xFFFF];
rlm@1	4110 dest += 3;
rlm@1	4111 ((u32 )dest) = systemColorMap32[lineMix[x++] & 0xFFFF];
rlm@1	4112 dest += 3;
rlm@1	4113
rlm@1	4114 ((u32 )dest) = systemColorMap32[lineMix[x++] & 0xFFFF];
rlm@1	4115 dest += 3;
rlm@1	4116 ((u32 )dest) = systemColorMap32[lineMix[x++] & 0xFFFF];
rlm@1	4117 dest += 3;
rlm@1	4118 ((u32 )dest) = systemColorMap32[lineMix[x++] & 0xFFFF];
rlm@1	4119 dest += 3;
rlm@1	4120 ((u32 )dest) = systemColorMap32[lineMix[x++] & 0xFFFF];
rlm@1	4121 dest += 3;
rlm@1	4122 }
rlm@1	4123 break;
rlm@1	4124 }
rlm@1	4125 case 32:
rlm@1	4126 {
rlm@1	4127 u32 dest = (u32 )pix + 241 * (VCOUNT + 1);
rlm@1	4128 for (int x = 0; x < 240; )
rlm@1	4129 {
rlm@1	4130 *dest++ = systemColorMap32[lineMix[x++] & 0xFFFF];
rlm@1	4131 *dest++ = systemColorMap32[lineMix[x++] & 0xFFFF];
rlm@1	4132 *dest++ = systemColorMap32[lineMix[x++] & 0xFFFF];
rlm@1	4133 *dest++ = systemColorMap32[lineMix[x++] & 0xFFFF];
rlm@1	4134
rlm@1	4135 *dest++ = systemColorMap32[lineMix[x++] & 0xFFFF];
rlm@1	4136 *dest++ = systemColorMap32[lineMix[x++] & 0xFFFF];
rlm@1	4137 *dest++ = systemColorMap32[lineMix[x++] & 0xFFFF];
rlm@1	4138 *dest++ = systemColorMap32[lineMix[x++] & 0xFFFF];
rlm@1	4139
rlm@1	4140 *dest++ = systemColorMap32[lineMix[x++] & 0xFFFF];
rlm@1	4141 *dest++ = systemColorMap32[lineMix[x++] & 0xFFFF];
rlm@1	4142 *dest++ = systemColorMap32[lineMix[x++] & 0xFFFF];
rlm@1	4143 *dest++ = systemColorMap32[lineMix[x++] & 0xFFFF];
rlm@1	4144
rlm@1	4145 *dest++ = systemColorMap32[lineMix[x++] & 0xFFFF];
rlm@1	4146 *dest++ = systemColorMap32[lineMix[x++] & 0xFFFF];
rlm@1	4147 *dest++ = systemColorMap32[lineMix[x++] & 0xFFFF];
rlm@1	4148 *dest++ = systemColorMap32[lineMix[x++] & 0xFFFF];
rlm@1	4149 }
rlm@1	4150 break;
rlm@1	4151 }
rlm@1	4152 }
rlm@1	4153 }
rlm@1	4154 // entering H-Blank
rlm@1	4155 DISPSTAT \|= 2;
rlm@1	4156 UPDATE_REG(0x04, DISPSTAT);
rlm@1	4157 lcdTicks += 272;
rlm@1	4158 CPUCheckDMA(2, 0x0f);
rlm@1	4159 if (DISPSTAT & 16)
rlm@1	4160 {
rlm@1	4161 IF \|= 2;
rlm@1	4162 UPDATE_REG(0x202, IF);
rlm@1	4163 }
rlm@1	4164 }
rlm@1	4165 }
rlm@1	4166 }
rlm@1	4167
rlm@1	4168 if (!stopState)
rlm@1	4169 {
rlm@1	4170 if (timer0On)
rlm@1	4171 {
rlm@1	4172 if (timer0ClockReload == 1)
rlm@1	4173 {
rlm@1	4174 u32 tm0d = TM0D + clockTicks;
rlm@1	4175 if (tm0d > 0xffff)
rlm@1	4176 {
rlm@1	4177 tm0d += timer0Reload;
rlm@1	4178 timerOverflow \|= 1;
rlm@1	4179 soundTimerOverflow(0);
rlm@1	4180 if (TM0CNT & 0x40)
rlm@1	4181 {
rlm@1	4182 IF \|= 0x08;
rlm@1	4183 UPDATE_REG(0x202, IF);
rlm@1	4184 }
rlm@1	4185 }
rlm@1	4186 TM0D = tm0d & 0xFFFF;
rlm@1	4187 timer0Ticks = 0x10000 - TM0D;
rlm@1	4188 UPDATE_REG(0x100, TM0D);
rlm@1	4189 }
rlm@1	4190 else
rlm@1	4191 {
rlm@1	4192 timer0Ticks -= clockTicks;
rlm@1	4193 if (timer0Ticks <= 0)
rlm@1	4194 {
rlm@1	4195 timer0Ticks += timer0ClockReload;
rlm@1	4196 TM0D++;
rlm@1	4197 if (TM0D == 0)
rlm@1	4198 {
rlm@1	4199 TM0D = timer0Reload;
rlm@1	4200 timerOverflow \|= 1;
rlm@1	4201 soundTimerOverflow(0);
rlm@1	4202 if (TM0CNT & 0x40)
rlm@1	4203 {
rlm@1	4204 IF \|= 0x08;
rlm@1	4205 UPDATE_REG(0x202, IF);
rlm@1	4206 }
rlm@1	4207 }
rlm@1	4208 UPDATE_REG(0x100, TM0D);
rlm@1	4209 }
rlm@1	4210 }
rlm@1	4211 }
rlm@1	4212
rlm@1	4213 if (timer1On)
rlm@1	4214 {
rlm@1	4215 if (TM1CNT & 4)
rlm@1	4216 {
rlm@1	4217 if (timerOverflow & 1)
rlm@1	4218 {
rlm@1	4219 TM1D++;
rlm@1	4220 if (TM1D == 0)
rlm@1	4221 {
rlm@1	4222 TM1D += timer1Reload;
rlm@1	4223 timerOverflow \|= 2;
rlm@1	4224 soundTimerOverflow(1);
rlm@1	4225 if (TM1CNT & 0x40)
rlm@1	4226 {
rlm@1	4227 IF \|= 0x10;
rlm@1	4228 UPDATE_REG(0x202, IF);
rlm@1	4229 }
rlm@1	4230 }
rlm@1	4231 UPDATE_REG(0x104, TM1D);
rlm@1	4232 }
rlm@1	4233 }
rlm@1	4234 else
rlm@1	4235 {
rlm@1	4236 if (timer1ClockReload == 1)
rlm@1	4237 {
rlm@1	4238 u32 tm1d = TM1D + clockTicks;
rlm@1	4239 if (tm1d > 0xffff)
rlm@1	4240 {
rlm@1	4241 tm1d += timer1Reload;
rlm@1	4242 timerOverflow \|= 2;
rlm@1	4243 soundTimerOverflow(1);
rlm@1	4244 if (TM1CNT & 0x40)
rlm@1	4245 {
rlm@1	4246 IF \|= 0x10;
rlm@1	4247 UPDATE_REG(0x202, IF);
rlm@1	4248 }
rlm@1	4249 }
rlm@1	4250 TM1D = tm1d & 0xFFFF;
rlm@1	4251 timer1Ticks = 0x10000 - TM1D;
rlm@1	4252 UPDATE_REG(0x104, TM1D);
rlm@1	4253 }
rlm@1	4254 else
rlm@1	4255 {
rlm@1	4256 timer1Ticks -= clockTicks;
rlm@1	4257 if (timer1Ticks <= 0)
rlm@1	4258 {
rlm@1	4259 timer1Ticks += timer1ClockReload;
rlm@1	4260 TM1D++;
rlm@1	4261
rlm@1	4262 if (TM1D == 0)
rlm@1	4263 {
rlm@1	4264 TM1D = timer1Reload;
rlm@1	4265 timerOverflow \|= 2;
rlm@1	4266 soundTimerOverflow(1);
rlm@1	4267 if (TM1CNT & 0x40)
rlm@1	4268 {
rlm@1	4269 IF \|= 0x10;
rlm@1	4270 UPDATE_REG(0x202, IF);
rlm@1	4271 }
rlm@1	4272 }
rlm@1	4273 UPDATE_REG(0x104, TM1D);
rlm@1	4274 }
rlm@1	4275 }
rlm@1	4276 }
rlm@1	4277 }
rlm@1	4278
rlm@1	4279 if (timer2On)
rlm@1	4280 {
rlm@1	4281 if (TM2CNT & 4)
rlm@1	4282 {
rlm@1	4283 if (timerOverflow & 2)
rlm@1	4284 {
rlm@1	4285 TM2D++;
rlm@1	4286 if (TM2D == 0)
rlm@1	4287 {
rlm@1	4288 TM2D += timer2Reload;
rlm@1	4289 timerOverflow \|= 4;
rlm@1	4290 if (TM2CNT & 0x40)
rlm@1	4291 {
rlm@1	4292 IF \|= 0x20;
rlm@1	4293 UPDATE_REG(0x202, IF);
rlm@1	4294 }
rlm@1	4295 }
rlm@1	4296 UPDATE_REG(0x108, TM2D);
rlm@1	4297 }
rlm@1	4298 }
rlm@1	4299 else
rlm@1	4300 {
rlm@1	4301 if (timer2ClockReload == 1)
rlm@1	4302 {
rlm@1	4303 u32 tm2d = TM2D + clockTicks;
rlm@1	4304 if (tm2d > 0xffff)
rlm@1	4305 {
rlm@1	4306 tm2d += timer2Reload;
rlm@1	4307 timerOverflow \|= 4;
rlm@1	4308 if (TM2CNT & 0x40)
rlm@1	4309 {
rlm@1	4310 IF \|= 0x20;
rlm@1	4311 UPDATE_REG(0x202, IF);
rlm@1	4312 }
rlm@1	4313 }
rlm@1	4314 TM2D = tm2d & 0xFFFF;
rlm@1	4315 timer2Ticks = 0x10000 - TM2D;
rlm@1	4316 UPDATE_REG(0x108, TM2D);
rlm@1	4317 }
rlm@1	4318 else
rlm@1	4319 {
rlm@1	4320 timer2Ticks -= clockTicks;
rlm@1	4321 if (timer2Ticks <= 0)
rlm@1	4322 {
rlm@1	4323 timer2Ticks += timer2ClockReload;
rlm@1	4324 TM2D++;
rlm@1	4325
rlm@1	4326 if (TM2D == 0)
rlm@1	4327 {
rlm@1	4328 TM2D = timer2Reload;
rlm@1	4329 timerOverflow \|= 4;
rlm@1	4330 if (TM2CNT & 0x40)
rlm@1	4331 {
rlm@1	4332 IF \|= 0x20;
rlm@1	4333 UPDATE_REG(0x202, IF);
rlm@1	4334 }
rlm@1	4335 }
rlm@1	4336 UPDATE_REG(0x108, TM2D);
rlm@1	4337 }
rlm@1	4338 }
rlm@1	4339 }
rlm@1	4340 }
rlm@1	4341
rlm@1	4342 if (timer3On)
rlm@1	4343 {
rlm@1	4344 if (TM3CNT & 4)
rlm@1	4345 {
rlm@1	4346 if (timerOverflow & 4)
rlm@1	4347 {
rlm@1	4348 TM3D++;
rlm@1	4349 if (TM3D == 0)
rlm@1	4350 {
rlm@1	4351 TM3D += timer3Reload;
rlm@1	4352 if (TM3CNT & 0x40)
rlm@1	4353 {
rlm@1	4354 IF \|= 0x40;
rlm@1	4355 UPDATE_REG(0x202, IF);
rlm@1	4356 }
rlm@1	4357 }
rlm@1	4358 UPDATE_REG(0x10c, TM3D);
rlm@1	4359 }
rlm@1	4360 }
rlm@1	4361 else
rlm@1	4362 {
rlm@1	4363 if (timer3ClockReload == 1)
rlm@1	4364 {
rlm@1	4365 u32 tm3d = TM3D + clockTicks;
rlm@1	4366 if (tm3d > 0xffff)
rlm@1	4367 {
rlm@1	4368 tm3d += timer3Reload;
rlm@1	4369 if (TM3CNT & 0x40)
rlm@1	4370 {
rlm@1	4371 IF \|= 0x40;
rlm@1	4372 UPDATE_REG(0x202, IF);
rlm@1	4373 }
rlm@1	4374 }
rlm@1	4375 TM3D = tm3d & 0xFFFF;
rlm@1	4376 timer3Ticks = 0x10000 - TM3D;
rlm@1	4377 UPDATE_REG(0x10C, TM3D);
rlm@1	4378 }
rlm@1	4379 else
rlm@1	4380 {
rlm@1	4381 timer3Ticks -= clockTicks;
rlm@1	4382 if (timer3Ticks <= 0)
rlm@1	4383 {
rlm@1	4384 timer3Ticks += timer3ClockReload;
rlm@1	4385 TM3D++;
rlm@1	4386
rlm@1	4387 if (TM3D == 0)
rlm@1	4388 {
rlm@1	4389 TM3D = timer3Reload;
rlm@1	4390 if (TM3CNT & 0x40)
rlm@1	4391 {
rlm@1	4392 IF \|= 0x40;
rlm@1	4393 UPDATE_REG(0x202, IF);
rlm@1	4394 }
rlm@1	4395 }
rlm@1	4396 UPDATE_REG(0x10C, TM3D);
rlm@1	4397 }
rlm@1	4398 }
rlm@1	4399 }
rlm@1	4400 }
rlm@1	4401 }
rlm@1	4402 // we shouldn't be doing sound in stop state, but we lose synchronization
rlm@1	4403 // if sound is disabled, so in stop state, soundTick will just produce
rlm@1	4404 // mute sound
rlm@1	4405 soundTicks -= clockTicks;
rlm@1	4406 if (soundTicks < 1)
rlm@1	4407 {
rlm@1	4408 soundTick();
rlm@1	4409 soundTicks += SOUND_CLOCK_TICKS;
rlm@1	4410 }
rlm@1	4411 timerOverflow = 0;
rlm@1	4412
rlm@1	4413 #ifdef PROFILING
rlm@1	4414 profilingTicks -= clockTicks;
rlm@1	4415 if (profilingTicks <= 0)
rlm@1	4416 {
rlm@1	4417 profilingTicks += profilingTicksReload;
rlm@1	4418 if (profilBuffer && profilSize)
rlm@1	4419 {
rlm@1	4420 u16 b = (u16 )profilBuffer;
rlm@1	4421 int pc = ((reg[15].I - profilLowPC) * profilScale) / 0x10000;
rlm@1	4422 if (pc >= 0 && pc < profilSize)
rlm@1	4423 {
rlm@1	4424 b[pc]++;
rlm@1	4425 }
rlm@1	4426 }
rlm@1	4427 }
rlm@1	4428 #endif
rlm@1	4429
rlm@1	4430 ticks -= clockTicks;
rlm@1	4431 cpuLoopTicks = CPUUpdateTicks();
rlm@1	4432
rlm@1	4433 // FIXME: it is too bad that it is still not determined whether the loop can be exited at this point
rlm@1	4434 if (cpuDmaTicksToUpdate > 0)
rlm@1	4435 {
rlm@1	4436 clockTicks = cpuSavedTicks;
rlm@1	4437 if (clockTicks > cpuDmaTicksToUpdate)
rlm@1	4438 clockTicks = cpuDmaTicksToUpdate;
rlm@1	4439 cpuDmaTicksToUpdate -= clockTicks;
rlm@1	4440 if (cpuDmaTicksToUpdate < 0)
rlm@1	4441 cpuDmaTicksToUpdate = 0;
rlm@1	4442 goto updateLoop; // this is evil
rlm@1	4443 }
rlm@1	4444
rlm@1	4445 if (IF && (IME & 1) && armIrqEnable)
rlm@1	4446 {
rlm@1	4447 int res = IF & IE;
rlm@1	4448 if (stopState)
rlm@1	4449 res &= 0x3080;
rlm@1	4450 if (res)
rlm@1	4451 {
rlm@1	4452 if (intState)
rlm@1	4453 {
rlm@1	4454 CPUInterrupt();
rlm@1	4455 intState = false;
rlm@1	4456 if (holdState)
rlm@1	4457 {
rlm@1	4458 holdState = false;
rlm@1	4459 stopState = false;
rlm@1	4460 }
rlm@1	4461 }
rlm@1	4462 else
rlm@1	4463 {
rlm@1	4464 if (!holdState)
rlm@1	4465 {
rlm@1	4466 intState = true;
rlm@1	4467 cpuLoopTicks = 5;
rlm@1	4468 cpuSavedTicks = 5;
rlm@1	4469 }
rlm@1	4470 else
rlm@1	4471 {
rlm@1	4472 CPUInterrupt();
rlm@1	4473 if (holdState)
rlm@1	4474 {
rlm@1	4475 holdState = false;
rlm@1	4476 stopState = false;
rlm@1	4477 }
rlm@1	4478 }
rlm@1	4479 }
rlm@1	4480 }
rlm@1	4481 }
rlm@1	4482
rlm@1	4483 if (useOldFrameTiming)
rlm@1	4484 {
rlm@1	4485 if (ticks <= 0)
rlm@1	4486 {
rlm@1	4487 newFrame = true;
rlm@1	4488 break;
rlm@1	4489 }
rlm@1	4490 }
rlm@1	4491 else if (newFrame)
rlm@1	4492 {
rlm@1	4493 // FIXME: it should be enough to use frameBoundary only if there were no need for supporting the old timing
rlm@1	4494 // but is there still any GBA .vbm that uses the old timing?
rlm@1	4495 /// extern void VBAOnEnteringFrameBoundary();
rlm@1	4496 /// VBAOnEnteringFrameBoundary();
rlm@1	4497
rlm@1	4498 break;
rlm@1	4499 }
rlm@1	4500 }
rlm@1	4501 }
rlm@1	4502 }
rlm@1	4503
rlm@92	4504
rlm@92	4505 // RLM:
rlm@92	4506 int CPULoop(int _ticks){
rlm@92	4507 CPULoop2(_ticks);
rlm@92	4508 return 1;
rlm@92	4509 }
rlm@92	4510
rlm@92	4511
rlm@1	4512 struct EmulatedSystem GBASystem =
rlm@1	4513 {
rlm@1	4514 // emuMain
rlm@1	4515 CPULoop,
rlm@1	4516 // emuReset
rlm@1	4517 CPUReset,
rlm@1	4518 // emuCleanUp
rlm@1	4519 CPUCleanUp,
rlm@1	4520 // emuReadBattery
rlm@1	4521 CPUReadBatteryFile,
rlm@1	4522 // emuWriteBattery
rlm@1	4523 CPUWriteBatteryFile,
rlm@1	4524 // emuReadBatteryFromStream
rlm@1	4525 CPUReadBatteryFromStream,
rlm@1	4526 // emuWriteBatteryToStream
rlm@1	4527 CPUWriteBatteryToStream,
rlm@1	4528 // emuReadState
rlm@1	4529 CPUReadState,
rlm@1	4530 // emuWriteState
rlm@1	4531 CPUWriteState,
rlm@1	4532 // emuReadStateFromStream
rlm@1	4533 CPUReadStateFromStream,
rlm@1	4534 // emuWriteStateToStream
rlm@1	4535 CPUWriteStateToStream,
rlm@1	4536 // emuReadMemState
rlm@1	4537 CPUReadMemState,
rlm@1	4538 // emuWriteMemState
rlm@1	4539 CPUWriteMemState,
rlm@1	4540 // emuWritePNG
rlm@1	4541 CPUWritePNGFile,
rlm@1	4542 // emuWriteBMP
rlm@1	4543 CPUWriteBMPFile,
rlm@1	4544 // emuUpdateCPSR
rlm@1	4545 CPUUpdateCPSR,
rlm@1	4546 // emuHasDebugger
rlm@1	4547 true,
rlm@1	4548 // emuCount
rlm@1	4549 #ifdef FINAL_VERSION
rlm@1	4550 250000,
rlm@1	4551 #else
rlm@1	4552 5000,
rlm@1	4553 #endif
rlm@1	4554 };
rlm@1	4555
rlm@1	4556 // is there a reason to use more than one set of counters?
rlm@1	4557 EmulatedSystemCounters &GBASystemCounters = systemCounters;
rlm@1	4558
rlm@1	4559 /*
rlm@1	4560 EmulatedSystemCounters GBASystemCounters =
rlm@1	4561 {
rlm@1	4562 // frameCount
rlm@1	4563 0,
rlm@1	4564 // lagCount
rlm@1	4565 0,
rlm@1	4566 // lagged
rlm@1	4567 true,
rlm@1	4568 // laggedLast
rlm@1	4569 true,
rlm@1	4570 };
rlm@1	4571 */
rlm@1	4572
rlm@1	4573
rlm@1	4574 #undef CPU_BREAK_LOOP
rlm@1	4575 #undef CPU_BREAK_LOOP2

Mercurial > vba-clojure

annotate src/gba/GBA.cpp @ 551:b69a3dba8045