rlm@1: #include <cstdlib>
rlm@1: #include <cstring>
rlm@1: 
rlm@1: #include "../common/System.h"
rlm@1: #include "../common/Util.h"
rlm@1: #include "GB.h"
rlm@1: #include "gbGlobals.h"
rlm@1: #include "../common/movie.h"
rlm@1: 
rlm@1: extern u8 * pix;
rlm@1: 
rlm@1: #define GBSGB_NONE            0
rlm@1: #define GBSGB_RESET           1
rlm@1: #define GBSGB_PACKET_TRANSMIT 2
rlm@1: 
rlm@1: u8 gbSgbBorderChar [32 * 256];
rlm@1: u8 gbSgbBorder [2048];
rlm@1: 
rlm@1: int32 gbSgbCGBSupport	   = 0;
rlm@1: int32 gbSgbMask			   = 0;
rlm@1: int32 gbSgbMode			   = 0;
rlm@1: int32 gbSgbPacketState	   = GBSGB_NONE;
rlm@1: int32 gbSgbBit			   = 0;
rlm@1: int32 gbSgbPacketTimeout   = 0;
rlm@1: int32 GBSGB_PACKET_TIMEOUT = 66666;
rlm@1: u8	  gbSgbPacket[16 * 7];
rlm@1: int32 gbSgbPacketNBits		 = 0;
rlm@1: int32 gbSgbPacketByte		 = 0;
rlm@1: int32 gbSgbPacketNumber		 = 0;
rlm@1: int32 gbSgbMultiplayer		 = 0;
rlm@1: int32 gbSgbFourPlayers		 = 0;
rlm@1: u8	  gbSgbNextController	 = 0x0f;
rlm@1: u8	  gbSgbReadingController = 0;
rlm@1: u16	  gbSgbSCPPalette[4 * 512];
rlm@1: u8	  gbSgbATF[20 * 18];
rlm@1: u8	  gbSgbATFList[45 * 20 * 18];
rlm@1: u8	  gbSgbScreenBuffer[4160];
rlm@1: 
rlm@1: inline void gbSgbDraw24Bit(u8 *p, u16 v)
rlm@1: {
rlm@1: 	*((u32 *) p) = systemColorMap32[v];
rlm@1: }
rlm@1: 
rlm@1: inline void gbSgbDraw32Bit(u32 *p, u16 v)
rlm@1: {
rlm@1: 	*p = systemColorMap32[v];
rlm@1: }
rlm@1: 
rlm@1: inline void gbSgbDraw16Bit(u16 *p, u16 v)
rlm@1: {
rlm@1: 	*p = systemColorMap16[v];
rlm@1: }
rlm@1: 
rlm@1: void gbSgbReset()
rlm@1: {
rlm@1: 	gbSgbPacketTimeout = 0;
rlm@1: 	gbSgbCGBSupport	   = 0;
rlm@1: 	gbSgbMask			   = 0;
rlm@1: 	gbSgbPacketState	   = GBSGB_NONE;
rlm@1: 	gbSgbBit			   = 0;
rlm@1: 	gbSgbPacketNBits	   = 0;
rlm@1: 	gbSgbPacketNumber	   = 0;
rlm@1: 	gbSgbMultiplayer	   = 0;
rlm@1: 	gbSgbFourPlayers	   = 0;
rlm@1: 	gbSgbNextController	   = 0x0f;
rlm@1: 	gbSgbReadingController = 0;
rlm@1: 
rlm@1: 	memset(gbSgbSCPPalette, 0, 512 * 4);
rlm@1: 	memset(gbSgbATF, 0, 20 * 18);
rlm@1: 	memset(gbSgbATFList, 0, 45 * 20 * 18);
rlm@1: 	memset(gbSgbPacket, 0, 16 * 7);
rlm@1: 	memset(gbSgbBorderChar, 0, 32 * 256);
rlm@1: 	memset(gbSgbBorder, 0, 2048);
rlm@1: 
rlm@1: 	int i;
rlm@1: 	for (i = 1; i < 2048; i += 2)
rlm@1: 	{
rlm@1: 		gbSgbBorder[i] = 1 << 2;
rlm@1: 	}
rlm@1: 
rlm@1: 	for (i = 0; i < 4; i++)
rlm@1: 	{
rlm@1: 		gbPalette[i * 4]	 = (0x1f) | (0x1f << 5) | (0x1f << 10);
rlm@1: 		gbPalette[i * 4 + 1] = (0x15) | (0x15 << 5) | (0x15 << 10);
rlm@1: 		gbPalette[i * 4 + 2] = (0x0c) | (0x0c << 5) | (0x0c << 10);
rlm@1: 		gbPalette[i * 4 + 3] = 0;
rlm@1: 	}
rlm@1: }
rlm@1: 
rlm@1: void gbSgbInit()
rlm@1: {
rlm@1: 	gbSgbReset();
rlm@1: }
rlm@1: 
rlm@1: void gbSgbShutdown()
rlm@1: {
rlm@1: 	memset(gbSgbBorderChar, 0, 32 * 256);
rlm@1: 	memset(gbSgbBorder, 0, 2048);
rlm@1: }
rlm@1: 
rlm@1: void gbSgbFillScreen(u16 color)
rlm@1: {
rlm@1: 	switch (systemColorDepth)
rlm@1: 	{
rlm@1: 	case 16:
rlm@1: 	{
rlm@1: 		for (int y = 0; y < 144; y++)
rlm@1: 		{
rlm@1: 			int yLine = (y + gbBorderRowSkip + 1) * (gbBorderLineSkip + 2) +
rlm@1: 			            gbBorderColumnSkip;
rlm@1: 			u16 *dest = (u16 *)pix + yLine;
rlm@1: 			for (register int x = 0; x < 160; x++)
rlm@1: 				gbSgbDraw16Bit(dest++, color);
rlm@1: 		}
rlm@1: 	}
rlm@1: 	break;
rlm@1: 	case 24:
rlm@1: 	{
rlm@1: 		for (int y = 0; y < 144; y++)
rlm@1: 		{
rlm@1: 			int yLine = (y + gbBorderRowSkip) * gbBorderLineSkip + gbBorderColumnSkip;
rlm@1: 			u8 *dest  = (u8 *)pix + yLine * 3;
rlm@1: 			for (register int x = 0; x < 160; x++)
rlm@1: 			{
rlm@1: 				gbSgbDraw24Bit(dest, color);
rlm@1: 				dest += 3;
rlm@1: 			}
rlm@1: 		}
rlm@1: 	}
rlm@1: 	break;
rlm@1: 	case 32:
rlm@1: 	{
rlm@1: 		for (int y = 0; y < 144; y++)
rlm@1: 		{
rlm@1: 			int	 yLine = (y + gbBorderRowSkip + 1) * (gbBorderLineSkip + 1) + gbBorderColumnSkip;
rlm@1: 			u32 *dest  = (u32 *)pix + yLine;
rlm@1: 			for (register int x = 0; x < 160; x++)
rlm@1: 			{
rlm@1: 				gbSgbDraw32Bit(dest++, color);
rlm@1: 			}
rlm@1: 		}
rlm@1: 	}
rlm@1: 	break;
rlm@1: 	}
rlm@1: }
rlm@1: 
rlm@1: void gbSgbRenderScreenToBuffer()
rlm@1: {
rlm@1: 	u16 mapAddress = 0x9800;
rlm@1: 
rlm@1: 	if (register_LCDC & 0x08)
rlm@1: 		mapAddress = 0x9c00;
rlm@1: 
rlm@1: 	u16 patternAddress = 0x8800;
rlm@1: 
rlm@1: 	int flag = 1;
rlm@1: 
rlm@1: 	if (register_LCDC & 0x10)
rlm@1: 	{
rlm@1: 		patternAddress = 0x8000;
rlm@1: 		flag = 0;
rlm@1: 	}
rlm@1: 
rlm@1: 	u8 *toAddress = gbSgbScreenBuffer;
rlm@1: 
rlm@1: 	for (int i = 0; i < 13; i++)
rlm@1: 	{
rlm@1: 		for (int j = 0; j < 20; j++)
rlm@1: 		{
rlm@1: 			int tile = gbReadMemoryQuick(mapAddress);
rlm@1: 			mapAddress++;
rlm@1: 
rlm@1: 			if (flag)
rlm@1: 			{
rlm@1: 				if (tile > 127)
rlm@1: 					tile -= 128;
rlm@1: 				else
rlm@1: 					tile += 128;
rlm@1: 			}
rlm@1: 			for (int k = 0; k < 16; k++)
rlm@1: 				*toAddress++ = gbReadMemoryQuick(patternAddress + tile * 16 + k);
rlm@1: 		}
rlm@1: 		mapAddress += 12;
rlm@1: 	}
rlm@1: }
rlm@1: 
rlm@1: void gbSgbDrawBorderTile(int x, int y, int tile, int attr)
rlm@1: {
rlm@1: 	u16 *dest	= (u16 *)pix + ((y + 1) * (256 + 2)) + x;
rlm@1: 	u8 * dest8	= (u8 *)pix + ((y * 256) + x) * 3;
rlm@1: 	u32 *dest32 = (u32 *)pix + ((y + 1) * 257) + x;
rlm@1: 
rlm@1: 	u8 *tileAddress	 = &gbSgbBorderChar[tile * 32];
rlm@1: 	u8 *tileAddress2 = &gbSgbBorderChar[tile * 32 + 16];
rlm@1: 
rlm@1: 	u8 l = 8;
rlm@1: 
rlm@1: 	u8 palette = ((attr >> 2) & 7);
rlm@1: 
rlm@1: 	if (palette < 4)
rlm@1: 		palette += 4;
rlm@1: 
rlm@1: 	palette *= 16;
rlm@1: 
rlm@1: 	u8 xx = 0;
rlm@1: 	u8 yy = 0;
rlm@1: 
rlm@1: 	int flipX = attr & 0x40;
rlm@1: 	int flipY = attr & 0x80;
rlm@1: 
rlm@1: 	while (l > 0)
rlm@1: 	{
rlm@1: 		u8 mask = 0x80;
rlm@1: 		u8 a	= *tileAddress++;
rlm@1: 		u8 b	= *tileAddress++;
rlm@1: 		u8 c	= *tileAddress2++;
rlm@1: 		u8 d	= *tileAddress2++;
rlm@1: 
rlm@1: 		while (mask > 0)
rlm@1: 		{
rlm@1: 			u8 color = 0;
rlm@1: 			if (a & mask)
rlm@1: 				color++;
rlm@1: 			if (b & mask)
rlm@1: 				color += 2;
rlm@1: 			if (c & mask)
rlm@1: 				color += 4;
rlm@1: 			if (d & mask)
rlm@1: 				color += 8;
rlm@1: 
rlm@1: 			u8 xxx = xx;
rlm@1: 			u8 yyy = yy;
rlm@1: 
rlm@1: 			if (flipX)
rlm@1: 				xxx = 7 - xx;
rlm@1: 			if (flipY)
rlm@1: 				yyy = 7 - yy;
rlm@1: 
rlm@1: 			u8 realx = x + xxx;
rlm@1: 			u8 realy = y + yyy;
rlm@1: 
rlm@1: 			u16 c = gbPalette[palette + color];
rlm@1: 			if (!color)
rlm@1: 				c = gbPalette[0];
rlm@1: 			if ((realy < 40 || realy >= 184) || (realx < 48 || realx >= 208))
rlm@1: 			{
rlm@1: 				switch (systemColorDepth)
rlm@1: 				{
rlm@1: 				case 16:
rlm@1: 					gbSgbDraw16Bit(dest + yyy * (256 + 2) + xxx, c);
rlm@1: 					break;
rlm@1: 				case 24:
rlm@1: 					gbSgbDraw24Bit(dest8 + (yyy * 256 + xxx) * 3, c);
rlm@1: 					break;
rlm@1: 				case 32:
rlm@1: 					gbSgbDraw32Bit(dest32 + yyy * (256 + 1) + xxx, c);
rlm@1: 					break;
rlm@1: 				}
rlm@1: 			}
rlm@1: 
rlm@1: 			mask >>= 1;
rlm@1: 
rlm@1: 			xx++;
rlm@1: 		}
rlm@1: 		yy++;
rlm@1: 		xx = 0;
rlm@1: 		l--;
rlm@1: 		mask = 0x80;
rlm@1: 	}
rlm@1: }
rlm@1: 
rlm@1: void gbSgbRenderBorder()
rlm@1: {
rlm@1: 	if (gbBorderOn)
rlm@1: 	{
rlm@1: 		u8 *fromAddress = gbSgbBorder;
rlm@1: 
rlm@1: 		for (u8 y = 0; y < 28; y++)
rlm@1: 		{
rlm@1: 			for (u8 x = 0; x < 32; x++)
rlm@1: 			{
rlm@1: 				u8 tile = *fromAddress++;
rlm@1: 				u8 attr = *fromAddress++;
rlm@1: 
rlm@1: 				gbSgbDrawBorderTile(x * 8, y * 8, tile, attr);
rlm@1: 			}
rlm@1: 		}
rlm@1: 	}
rlm@1: }
rlm@1: 
rlm@1: void gbSgbPicture()
rlm@1: {
rlm@1: 	gbSgbRenderScreenToBuffer();
rlm@1: 
rlm@1: 	memcpy(gbSgbBorder, gbSgbScreenBuffer, 2048);
rlm@1: 
rlm@1: 	u16 *paletteAddr = (u16 *)&gbSgbScreenBuffer[2048];
rlm@1: 
rlm@1: 	for (int i = 64; i < 128; i++)
rlm@1: 	{
rlm@1: 		gbPalette[i] = READ16LE(paletteAddr++);
rlm@1: 	}
rlm@1: 
rlm@1: 	gbSgbCGBSupport |= 4;
rlm@1: 
rlm@1: 	if (gbBorderAutomatic && !gbBorderOn && gbSgbCGBSupport > 4)
rlm@1: 	{
rlm@1: 		gbBorderOn = 1;
rlm@1: 		systemGbBorderOn();
rlm@1: 	}
rlm@1: 
rlm@1: 	if (gbBorderOn && !gbSgbMask)
rlm@1: 		gbSgbRenderBorder();
rlm@1: 
rlm@1: 	if (gbSgbMode && gbCgbMode && gbSgbCGBSupport > 4)
rlm@1: 	{
rlm@1: 		gbSgbCGBSupport = 0;
rlm@1: 		gbSgbMode		= 2;
rlm@1: 		gbSgbMask		= 0;
rlm@1: 		gbSgbRenderBorder();
rlm@1: 		gbReset();
rlm@1: 	}
rlm@1: 
rlm@1: 	if (gbSgbCGBSupport > 4)
rlm@1: 		gbSgbCGBSupport = 0;
rlm@1: }
rlm@1: 
rlm@1: void gbSgbSetPalette(int a, int b, u16 *p)
rlm@1: {
rlm@1: 	u16 bit00 = READ16LE(p++);
rlm@1: 	int i;
rlm@1: 
rlm@1: 	for (i = 1; i < 4; i++)
rlm@1: 	{
rlm@1: 		gbPalette[a * 4 + i] = READ16LE(p++);
rlm@1: 	}
rlm@1: 
rlm@1: 	for (i = 1; i < 4; i++)
rlm@1: 	{
rlm@1: 		gbPalette[b * 4 + i] = READ16LE(p++);
rlm@1: 	}
rlm@1: 
rlm@1: 	gbPalette[0] = gbPalette[4] = gbPalette[8] = gbPalette[12] = bit00;
rlm@1: 	if (gbBorderOn && !gbSgbMask)
rlm@1: 		gbSgbRenderBorder();
rlm@1: }
rlm@1: 
rlm@1: void gbSgbScpPalette()
rlm@1: {
rlm@1: 	gbSgbRenderScreenToBuffer();
rlm@1: 
rlm@1: 	u16 *fromAddress = (u16 *)gbSgbScreenBuffer;
rlm@1: 
rlm@1: 	for (int i = 0; i < 512 * 4; i++)
rlm@1: 	{
rlm@1: 		gbSgbSCPPalette[i] = READ16LE(fromAddress++);
rlm@1: 	}
rlm@1: }
rlm@1: 
rlm@1: void gbSgbSetATF(int n)
rlm@1: {
rlm@1: 	if (n < 0)
rlm@1: 		n = 0;
rlm@1: 	if (n > 44)
rlm@1: 		n = 44;
rlm@1: 	memcpy(gbSgbATF, &gbSgbATFList[n * 20 * 18], 20 * 18);
rlm@1: 
rlm@1: 	if (gbSgbPacket[1] & 0x40)
rlm@1: 	{
rlm@1: 		gbSgbMask = 0;
rlm@1: 		if (gbBorderOn)
rlm@1: 			gbSgbRenderBorder();
rlm@1: 	}
rlm@1: }
rlm@1: 
rlm@1: void gbSgbSetPalette()
rlm@1: {
rlm@1: 	u16 pal = READ16LE((((u16 *)&gbSgbPacket[1]))) & 511;
rlm@1: 	memcpy(&gbPalette[0], &gbSgbSCPPalette[pal * 4], 4 * sizeof(u16));
rlm@1: 
rlm@1: 	pal = READ16LE((((u16 *)&gbSgbPacket[3]))) & 511;
rlm@1: 	memcpy(&gbPalette[4], &gbSgbSCPPalette[pal * 4], 4 * sizeof(u16));
rlm@1: 
rlm@1: 	pal = READ16LE((((u16 *)&gbSgbPacket[5]))) & 511;
rlm@1: 	memcpy(&gbPalette[8], &gbSgbSCPPalette[pal * 4], 4 * sizeof(u16));
rlm@1: 
rlm@1: 	pal = READ16LE((((u16 *)&gbSgbPacket[7]))) & 511;
rlm@1: 	memcpy(&gbPalette[12], &gbSgbSCPPalette[pal * 4], 4 * sizeof(u16));
rlm@1: 
rlm@1: 	u8 atf = gbSgbPacket[9];
rlm@1: 
rlm@1: 	if (atf & 0x80)
rlm@1: 	{
rlm@1: 		gbSgbSetATF(atf & 0x3f);
rlm@1: 	}
rlm@1: 
rlm@1: 	if (atf & 0x40)
rlm@1: 	{
rlm@1: 		gbSgbMask = 0;
rlm@1: 		if (gbBorderOn)
rlm@1: 			gbSgbRenderBorder();
rlm@1: 	}
rlm@1: }
rlm@1: 
rlm@1: void gbSgbAttributeBlock()
rlm@1: {
rlm@1: 	u8 *fromAddress = &gbSgbPacket[1];
rlm@1: 
rlm@1: 	u8 nDataSet = *fromAddress++;
rlm@1: 	if (nDataSet > 12)
rlm@1: 		nDataSet = 12;
rlm@1: 	if (nDataSet == 0)
rlm@1: 		nDataSet = 1;
rlm@1: 
rlm@1: 	while (nDataSet)
rlm@1: 	{
rlm@1: 		u8 controlCode		  = (*fromAddress++) & 7;
rlm@1: 		u8 paletteDesignation = (*fromAddress++) & 0x3f;
rlm@1: 		u8 startH = (*fromAddress++) & 0x1f;
rlm@1: 		u8 startV = (*fromAddress++) & 0x1f;
rlm@1: 		u8 endH	  = (*fromAddress++) & 0x1f;
rlm@1: 		u8 endV	  = (*fromAddress++) & 0x1f;
rlm@1: 
rlm@1: 		u8 *toAddress = gbSgbATF;
rlm@1: 
rlm@1: 		for (u8 y = 0; y < 18; y++)
rlm@1: 		{
rlm@1: 			for (u8 x = 0; x < 20; x++)
rlm@1: 			{
rlm@1: 				if (x < startH || y < startV ||
rlm@1: 				    x > endH || y > endV)
rlm@1: 				{
rlm@1: 					// outside
rlm@1: 					if (controlCode & 0x04)
rlm@1: 						*toAddress = (paletteDesignation >> 4) & 0x03;
rlm@1: 				}
rlm@1: 				else if (x > startH && x < endH &&
rlm@1: 				         y > startV && y < endV)
rlm@1: 				{
rlm@1: 					// inside
rlm@1: 					if (controlCode & 0x01)
rlm@1: 						*toAddress = paletteDesignation & 0x03;
rlm@1: 				}
rlm@1: 				else
rlm@1: 				{
rlm@1: 					// surrounding line
rlm@1: 					if (controlCode & 0x02)
rlm@1: 						*toAddress = (paletteDesignation >> 2) & 0x03;
rlm@1: 					else if (controlCode == 0x01)
rlm@1: 						*toAddress = paletteDesignation & 0x03;
rlm@1: 				}
rlm@1: 				toAddress++;
rlm@1: 			}
rlm@1: 		}
rlm@1: 		nDataSet--;
rlm@1: 	}
rlm@1: }
rlm@1: 
rlm@1: void gbSgbSetColumnPalette(u8 col, u8 p)
rlm@1: {
rlm@1: 	//  if(col < 0)
rlm@1: 	//    col = 0;
rlm@1: 	if (col > 19)
rlm@1: 		col = 19;
rlm@1: 
rlm@1: 	p &= 3;
rlm@1: 
rlm@1: 	u8 *toAddress = &gbSgbATF[col];
rlm@1: 
rlm@1: 	for (u8 y = 0; y < 18; y++)
rlm@1: 	{
rlm@1: 		*toAddress = p;
rlm@1: 		toAddress += 20;
rlm@1: 	}
rlm@1: }
rlm@1: 
rlm@1: void gbSgbSetRowPalette(u8 row, u8 p)
rlm@1: {
rlm@1: 	//  if(row < 0)
rlm@1: 	//    row = 0;
rlm@1: 	if (row > 17)
rlm@1: 		row = 17;
rlm@1: 
rlm@1: 	p &= 3;
rlm@1: 
rlm@1: 	u8 *toAddress = &gbSgbATF[row * 20];
rlm@1: 
rlm@1: 	for (u8 x = 0; x < 20; x++)
rlm@1: 	{
rlm@1: 		*toAddress++ = p;
rlm@1: 	}
rlm@1: }
rlm@1: 
rlm@1: void gbSgbAttributeDivide()
rlm@1: {
rlm@1: 	u8 control = gbSgbPacket[1];
rlm@1: 	u8 coord   = gbSgbPacket[2];
rlm@1: 	u8 colorBR = control & 3;
rlm@1: 	u8 colorAL = (control >> 2) & 3;
rlm@1: 	u8 colorOL = (control >> 4) & 3;
rlm@1: 
rlm@1: 	if (control & 0x40)
rlm@1: 	{
rlm@1: 		if (coord > 17)
rlm@1: 			coord = 17;
rlm@1: 
rlm@1: 		for (u8 i = 0; i < 18; i++)
rlm@1: 		{
rlm@1: 			if (i < coord)
rlm@1: 				gbSgbSetRowPalette(i, colorAL);
rlm@1: 			else if (i > coord)
rlm@1: 				gbSgbSetRowPalette(i, colorBR);
rlm@1: 			else
rlm@1: 				gbSgbSetRowPalette(i, colorOL);
rlm@1: 		}
rlm@1: 	}
rlm@1: 	else
rlm@1: 	{
rlm@1: 		if (coord > 19)
rlm@1: 			coord = 19;
rlm@1: 
rlm@1: 		for (u8 i = 0; i < 20; i++)
rlm@1: 		{
rlm@1: 			if (i < coord)
rlm@1: 				gbSgbSetColumnPalette(i, colorAL);
rlm@1: 			else if (i > coord)
rlm@1: 				gbSgbSetColumnPalette(i, colorBR);
rlm@1: 			else
rlm@1: 				gbSgbSetColumnPalette(i, colorOL);
rlm@1: 		}
rlm@1: 	}
rlm@1: }
rlm@1: 
rlm@1: void gbSgbAttributeLine()
rlm@1: {
rlm@1: 	u8 *fromAddress = &gbSgbPacket[1];
rlm@1: 
rlm@1: 	u8 nDataSet = *fromAddress++;
rlm@1: 
rlm@1: 	if (nDataSet > 0x6e)
rlm@1: 		nDataSet = 0x6e;
rlm@1: 
rlm@1: 	while (nDataSet)
rlm@1: 	{
rlm@1: 		u8 line = *fromAddress++;
rlm@1: 		u8 num	= line & 0x1f;
rlm@1: 		u8 pal	= (line >> 5) & 0x03;
rlm@1: 		if (line & 0x80)
rlm@1: 		{
rlm@1: 			if (num > 17)
rlm@1: 				num = 17;
rlm@1: 			gbSgbSetRowPalette(num, pal);
rlm@1: 		}
rlm@1: 		else
rlm@1: 		{
rlm@1: 			if (num > 19)
rlm@1: 				num = 19;
rlm@1: 			gbSgbSetColumnPalette(num, pal);
rlm@1: 		}
rlm@1: 		nDataSet--;
rlm@1: 	}
rlm@1: }
rlm@1: 
rlm@1: void gbSgbAttributeCharacter()
rlm@1: {
rlm@1: 	u8	startH	 = gbSgbPacket[1] & 0x1f;
rlm@1: 	u8	startV	 = gbSgbPacket[2] & 0x1f;
rlm@1: 	int nDataSet = READ16LE(((u16 *)&gbSgbPacket[3]));
rlm@1: 	int style	 = gbSgbPacket[5] & 1;
rlm@1: 	if (startH > 19)
rlm@1: 		startH = 19;
rlm@1: 	if (startV > 17)
rlm@1: 		startV = 17;
rlm@1: 
rlm@1: 	u8	s = 6;
rlm@1: 	u8 *fromAddress = &gbSgbPacket[6];
rlm@1: 	u8	v = *fromAddress++;
rlm@1: 
rlm@1: 	if (style)
rlm@1: 	{
rlm@1: 		while (nDataSet)
rlm@1: 		{
rlm@1: 			u8 p = (v >> s) & 3;
rlm@1: 			gbSgbATF[startV * 20 + startH] = p;
rlm@1: 			startV++;
rlm@1: 			if (startV == 18)
rlm@1: 			{
rlm@1: 				startV = 0;
rlm@1: 				startH++;
rlm@1: 				if (startH == 20)
rlm@1: 					break;
rlm@1: 			}
rlm@1: 
rlm@1: 			if (s)
rlm@1: 				s -= 2;
rlm@1: 			else
rlm@1: 			{
rlm@1: 				s = 6;
rlm@1: 				v = *fromAddress++;
rlm@1: 				nDataSet--;
rlm@1: 			}
rlm@1: 		}
rlm@1: 	}
rlm@1: 	else
rlm@1: 	{
rlm@1: 		while (nDataSet)
rlm@1: 		{
rlm@1: 			u8 p = (v >> s) & 3;
rlm@1: 			gbSgbATF[startV * 20 + startH] = p;
rlm@1: 			startH++;
rlm@1: 			if (startH == 20)
rlm@1: 			{
rlm@1: 				startH = 0;
rlm@1: 				startV++;
rlm@1: 				if (startV == 18)
rlm@1: 					break;
rlm@1: 			}
rlm@1: 
rlm@1: 			if (s)
rlm@1: 				s -= 2;
rlm@1: 			else
rlm@1: 			{
rlm@1: 				s = 6;
rlm@1: 				v = *fromAddress++;
rlm@1: 				nDataSet--;
rlm@1: 			}
rlm@1: 		}
rlm@1: 	}
rlm@1: }
rlm@1: 
rlm@1: void gbSgbSetATFList()
rlm@1: {
rlm@1: 	gbSgbRenderScreenToBuffer();
rlm@1: 
rlm@1: 	u8 *fromAddress = gbSgbScreenBuffer;
rlm@1: 	u8 *toAddress	= gbSgbATFList;
rlm@1: 
rlm@1: 	for (int i = 0; i < 45; i++)
rlm@1: 	{
rlm@1: 		for (int j = 0; j < 90; j++)
rlm@1: 		{
rlm@1: 			u8 v = *fromAddress++;
rlm@1: 			u8 s = 6;
rlm@1: 			if (i == 2)
rlm@1: 				s = 6;
rlm@1: 			for (int k = 0; k < 4; k++)
rlm@1: 			{
rlm@1: 				*toAddress++ = (v >> s) & 0x03;
rlm@1: 				s -= 2;
rlm@1: 			}
rlm@1: 		}
rlm@1: 	}
rlm@1: }
rlm@1: 
rlm@1: void gbSgbMaskEnable()
rlm@1: {
rlm@1: 	int gbSgbMaskFlag = gbSgbPacket[1] & 3;
rlm@1: 
rlm@1: 	gbSgbMask = gbSgbMaskFlag;
rlm@1: 
rlm@1: 	switch (gbSgbMaskFlag)
rlm@1: 	{
rlm@1: 	case 1:
rlm@1: 		break;
rlm@1: 	case 2:
rlm@1: 		gbSgbFillScreen(0x0000);
rlm@1: 		//    memset(&gbPalette[0], 0, 128*sizeof(u16));
rlm@1: 		break;
rlm@1: 	case 3:
rlm@1: 		gbSgbFillScreen(gbPalette[0]);
rlm@1: 		break;
rlm@1: 	}
rlm@1: 	if (!gbSgbMask)
rlm@1: 	{
rlm@1: 		if (gbBorderOn)
rlm@1: 			gbSgbRenderBorder();
rlm@1: 	}
rlm@1: }
rlm@1: 
rlm@1: void gbSgbChrTransfer()
rlm@1: {
rlm@1: 	gbSgbRenderScreenToBuffer();
rlm@1: 
rlm@1: 	int address = (gbSgbPacket[1] & 1) * (128 * 32);
rlm@1: 
rlm@1: 	if (gbSgbPacket[1] & 1)
rlm@1: 		gbSgbCGBSupport |= 2;
rlm@1: 	else
rlm@1: 		gbSgbCGBSupport |= 1;
rlm@1: 
rlm@1: 	memcpy(&gbSgbBorderChar[address], gbSgbScreenBuffer, 128 * 32);
rlm@1: 
rlm@1: 	if (gbBorderAutomatic && !gbBorderOn && gbSgbCGBSupport > 4)
rlm@1: 	{
rlm@1: 		gbBorderOn = 1;
rlm@1: 		systemGbBorderOn();
rlm@1: 	}
rlm@1: 
rlm@1: 	if (gbBorderOn && !gbSgbMask)
rlm@1: 		gbSgbRenderBorder();
rlm@1: 
rlm@1: 	if (gbSgbMode && gbCgbMode && gbSgbCGBSupport == 7)
rlm@1: 	{
rlm@1: 		gbSgbCGBSupport = 0;
rlm@1: 		gbSgbMode		= 2;
rlm@1: 		gbSgbMask		= 0;
rlm@1: 		gbSgbRenderBorder();
rlm@1: 		gbReset();
rlm@1: 	}
rlm@1: 
rlm@1: 	if (gbSgbCGBSupport > 4)
rlm@1: 		gbSgbCGBSupport = 0;
rlm@1: }
rlm@1: 
rlm@1: void gbSgbMultiRequest()
rlm@1: {
rlm@1: 	if (gbSgbPacket[1] & 1)
rlm@1: 	{
rlm@1: 		gbSgbMultiplayer = 1;
rlm@1: 		if (gbSgbPacket[1] & 2)
rlm@1: 			gbSgbFourPlayers = 1;
rlm@1: 		else
rlm@1: 			gbSgbFourPlayers = 0;
rlm@1: 		gbSgbNextController = 0x0e;
rlm@1: 	}
rlm@1: 	else
rlm@1: 	{
rlm@1: 		gbSgbFourPlayers	= 0;
rlm@1: 		gbSgbMultiplayer	= 0;
rlm@1: 		gbSgbNextController = 0x0f;
rlm@1: 	}
rlm@1: }
rlm@1: 
rlm@1: void gbSgbCommand()
rlm@1: {
rlm@1: 	int command = gbSgbPacket[0] >> 3;
rlm@1: 	//  int nPacket = gbSgbPacket[0] & 7;
rlm@1: 
rlm@1: 	switch (command)
rlm@1: 	{
rlm@1: 	case 0x00:
rlm@1: 		gbSgbSetPalette(0, 1, (u16 *)&gbSgbPacket[1]);
rlm@1: 		break;
rlm@1: 	case 0x01:
rlm@1: 		gbSgbSetPalette(2, 3, (u16 *)&gbSgbPacket[1]);
rlm@1: 		break;
rlm@1: 	case 0x02:
rlm@1: 		gbSgbSetPalette(0, 3, (u16 *)&gbSgbPacket[1]);
rlm@1: 		break;
rlm@1: 	case 0x03:
rlm@1: 		gbSgbSetPalette(1, 2, (u16 *)&gbSgbPacket[1]);
rlm@1: 		break;
rlm@1: 	case 0x04:
rlm@1: 		gbSgbAttributeBlock();
rlm@1: 		break;
rlm@1: 	case 0x05:
rlm@1: 		gbSgbAttributeLine();
rlm@1: 		break;
rlm@1: 	case 0x06:
rlm@1: 		gbSgbAttributeDivide();
rlm@1: 		break;
rlm@1: 	case 0x07:
rlm@1: 		gbSgbAttributeCharacter();
rlm@1: 		break;
rlm@1: 	case 0x0a:
rlm@1: 		gbSgbSetPalette();
rlm@1: 		break;
rlm@1: 	case 0x0b:
rlm@1: 		gbSgbScpPalette();
rlm@1: 		break;
rlm@1: 	case 0x11:
rlm@1: 		gbSgbMultiRequest();
rlm@1: 		break;
rlm@1: 	case 0x13:
rlm@1: 		gbSgbChrTransfer();
rlm@1: 		break;
rlm@1: 	case 0x14:
rlm@1: 		gbSgbPicture();
rlm@1: 		break;
rlm@1: 	case 0x15:
rlm@1: 		gbSgbSetATFList();
rlm@1: 		break;
rlm@1: 	case 0x16:
rlm@1: 		gbSgbSetATF(gbSgbPacket[1] & 0x3f);
rlm@1: 		break;
rlm@1: 	case 0x17:
rlm@1: 		gbSgbMaskEnable();
rlm@1: 		break;
rlm@1: 	}
rlm@1: }
rlm@1: 
rlm@1: void gbSgbResetPacketState()
rlm@1: {
rlm@1: 	gbSgbPacketState   = GBSGB_NONE;
rlm@1: 	gbSgbPacketTimeout = 0;
rlm@1: }
rlm@1: 
rlm@1: void gbSgbDoBitTransfer(u8 value)
rlm@1: {
rlm@1: 	value = value & 0x30;
rlm@1: 	switch (gbSgbPacketState)
rlm@1: 	{
rlm@1: 	case GBSGB_NONE:
rlm@1: 		if (value == 0)
rlm@1: 		{
rlm@1: 			gbSgbPacketState   = GBSGB_RESET;
rlm@1: 			gbSgbPacketTimeout = GBSGB_PACKET_TIMEOUT;
rlm@1: 		}
rlm@1: 		else if (value == 0x30)
rlm@1: 		{
rlm@1: 			if (gbSgbMultiplayer)
rlm@1: 			{
rlm@1: 				if ((gbSgbReadingController & 7) == 7)
rlm@1: 				{
rlm@1: 					gbSgbReadingController = 0;
rlm@1: 					if (gbSgbMultiplayer)
rlm@1: 					{
rlm@1: 						gbSgbNextController--;
rlm@1: 						if (gbSgbFourPlayers)
rlm@1: 						{
rlm@1: 							if (gbSgbNextController == 0x0b)
rlm@1: 								gbSgbNextController = 0x0f;
rlm@1: 						}
rlm@1: 						else
rlm@1: 						{
rlm@1: 							if (gbSgbNextController == 0x0d)
rlm@1: 								gbSgbNextController = 0x0f;
rlm@1: 						}
rlm@1: 					}
rlm@1: 				}
rlm@1: 				else
rlm@1: 				{
rlm@1: 					gbSgbReadingController &= 3;
rlm@1: 				}
rlm@1: 			}
rlm@1: 			gbSgbPacketTimeout = 0;
rlm@1: 		}
rlm@1: 		else
rlm@1: 		{
rlm@1: 			if (value == 0x10)
rlm@1: 				gbSgbReadingController |= 0x2;
rlm@1: 			else if (value == 0x20)
rlm@1: 				gbSgbReadingController |= 0x01;
rlm@1: 			gbSgbPacketTimeout = 0;
rlm@1: 		}
rlm@1: 		gbSgbPacketTimeout = 0;
rlm@1: 		break;
rlm@1: 	case GBSGB_RESET:
rlm@1: 		if (value == 0x30)
rlm@1: 		{
rlm@1: 			gbSgbPacketState   = GBSGB_PACKET_TRANSMIT;
rlm@1: 			gbSgbPacketByte	   = 0;
rlm@1: 			gbSgbPacketNBits   = 0;
rlm@1: 			gbSgbPacketTimeout = GBSGB_PACKET_TIMEOUT;
rlm@1: 		}
rlm@1: 		else if (value == 0x00)
rlm@1: 		{
rlm@1: 			gbSgbPacketTimeout = GBSGB_PACKET_TIMEOUT;
rlm@1: 			gbSgbPacketState   = GBSGB_RESET;
rlm@1: 		}
rlm@1: 		else
rlm@1: 		{
rlm@1: 			gbSgbPacketState   = GBSGB_NONE;
rlm@1: 			gbSgbPacketTimeout = 0;
rlm@1: 		}
rlm@1: 		break;
rlm@1: 	case GBSGB_PACKET_TRANSMIT:
rlm@1: 		if (value == 0)
rlm@1: 		{
rlm@1: 			gbSgbPacketState   = GBSGB_RESET;
rlm@1: 			gbSgbPacketTimeout = 0;
rlm@1: 		}
rlm@1: 		else if (value == 0x30)
rlm@1: 		{
rlm@1: 			if (gbSgbPacketNBits == 128)
rlm@1: 			{
rlm@1: 				gbSgbPacketNBits = 0;
rlm@1: 				gbSgbPacketByte	 = 0;
rlm@1: 				gbSgbPacketNumber++;
rlm@1: 				gbSgbPacketTimeout = 0;
rlm@1: 				if (gbSgbPacketNumber == (gbSgbPacket[0] & 7))
rlm@1: 				{
rlm@1: 					gbSgbCommand();
rlm@1: 					gbSgbPacketNumber  = 0;
rlm@1: 					gbSgbPacketState   = GBSGB_NONE;
rlm@1: 					gbSgbPacketTimeout = 0;
rlm@1: 				}
rlm@1: 			}
rlm@1: 			else
rlm@1: 			{
rlm@1: 				if (gbSgbPacketNBits < 128)
rlm@1: 				{
rlm@1: 					gbSgbPacket[gbSgbPacketNumber * 16 + gbSgbPacketByte] >>= 1;
rlm@1: 					gbSgbPacket[gbSgbPacketNumber * 16 + gbSgbPacketByte]  |= gbSgbBit;
rlm@1: 					gbSgbPacketNBits++;
rlm@1: 					if (!(gbSgbPacketNBits & 7))
rlm@1: 					{
rlm@1: 						gbSgbPacketByte++;
rlm@1: 					}
rlm@1: 					gbSgbPacketTimeout = GBSGB_PACKET_TIMEOUT;
rlm@1: 				}
rlm@1: 			}
rlm@1: 		}
rlm@1: 		else
rlm@1: 		{
rlm@1: 			if (value == 0x20)
rlm@1: 				gbSgbBit = 0x00;
rlm@1: 			else
rlm@1: 				gbSgbBit = 0x80;
rlm@1: 			gbSgbPacketTimeout = GBSGB_PACKET_TIMEOUT;
rlm@1: 		}
rlm@1: 		gbSgbReadingController = 0;
rlm@1: 		break;
rlm@1: 	default:
rlm@1: 		gbSgbPacketState   = GBSGB_NONE;
rlm@1: 		gbSgbPacketTimeout = 0;
rlm@1: 		break;
rlm@1: 	}
rlm@1: }
rlm@1: 
rlm@1: variable_desc gbSgbSaveStruct[] = {
rlm@1: 	{ &gbSgbMask,			   sizeof(int32) },
rlm@1: 	{ &gbSgbPacketState,	   sizeof(int32) },
rlm@1: 	{ &gbSgbBit,			   sizeof(int32) },
rlm@1: 	{ &gbSgbPacketNBits,	   sizeof(int32) },
rlm@1: 	{ &gbSgbPacketByte,		   sizeof(int32) },
rlm@1: 	{ &gbSgbPacketNumber,	   sizeof(int32) },
rlm@1: 	{ &gbSgbMultiplayer,	   sizeof(int32) },
rlm@1: 	{ &gbSgbNextController,	   sizeof(u8)	 },
rlm@1: 	{ &gbSgbReadingController, sizeof(u8)	 },
rlm@1: 	{ NULL,					   0			 }
rlm@1: };
rlm@1: 
rlm@1: variable_desc gbSgbSaveStructV3[] = {
rlm@1: 	{ &gbSgbMask,			   sizeof(int32) },
rlm@1: 	{ &gbSgbPacketState,	   sizeof(int32) },
rlm@1: 	{ &gbSgbBit,			   sizeof(int32) },
rlm@1: 	{ &gbSgbPacketNBits,	   sizeof(int32) },
rlm@1: 	{ &gbSgbPacketByte,		   sizeof(int32) },
rlm@1: 	{ &gbSgbPacketNumber,	   sizeof(int32) },
rlm@1: 	{ &gbSgbMultiplayer,	   sizeof(int32) },
rlm@1: 	{ &gbSgbNextController,	   sizeof(u8)	 },
rlm@1: 	{ &gbSgbReadingController, sizeof(u8)	 },
rlm@1: 	{ &gbSgbFourPlayers,	   sizeof(int32) },
rlm@1: 	{ NULL,					   0			 }
rlm@1: };
rlm@1: 
rlm@1: void gbSgbSaveGame(gzFile gzFile)
rlm@1: {
rlm@1: 	utilWriteData(gzFile, gbSgbSaveStructV3);
rlm@1: 
rlm@1: 	utilGzWrite(gzFile, gbSgbBorder, 2048);
rlm@1: 	utilGzWrite(gzFile, gbSgbBorderChar, 32 * 256);
rlm@1: 
rlm@1: 	utilGzWrite(gzFile, gbSgbPacket, 16 * 7);
rlm@1: 
rlm@1: 	utilGzWrite(gzFile, gbSgbSCPPalette, 4 * 512 * sizeof(u16));
rlm@1: 	utilGzWrite(gzFile, gbSgbATF, 20 * 18);
rlm@1: 	utilGzWrite(gzFile, gbSgbATFList, 45 * 20 * 18);
rlm@1: 
rlm@1: 	utilGzWrite(gzFile, gbSgbScreenBuffer, 4160);
rlm@1: 	utilGzWrite(gzFile, &gbSgbMode, sizeof(gbSgbMode));
rlm@1: 	utilGzWrite(gzFile, &gbSgbCGBSupport, sizeof(gbSgbCGBSupport));
rlm@1: 	utilGzWrite(gzFile, &gbSgbPacketTimeout, sizeof(gbSgbPacketTimeout));
rlm@1: }
rlm@1: 
rlm@1: void gbSgbReadGame(gzFile gzFile, int version)
rlm@1: {
rlm@1: 	if (version >= 3)
rlm@1: 		utilReadData(gzFile, gbSgbSaveStructV3);
rlm@1: 	else
rlm@1: 	{
rlm@1: 		utilReadData(gzFile, gbSgbSaveStruct);
rlm@1: 		gbSgbFourPlayers = 0;
rlm@1: 	}
rlm@1: 
rlm@1: 	if (version >= 8)
rlm@1: 	{
rlm@1: 		utilGzRead(gzFile, gbSgbBorder, 2048);
rlm@1: 		utilGzRead(gzFile, gbSgbBorderChar, 32 * 256);
rlm@1: 	}
rlm@1: 
rlm@1: 	utilGzRead(gzFile, gbSgbPacket, 16 * 7);
rlm@1: 
rlm@1: 	utilGzRead(gzFile, gbSgbSCPPalette, 4 * 512 * sizeof(u16));
rlm@1: 	utilGzRead(gzFile, gbSgbATF, 20 * 18);
rlm@1: 	utilGzRead(gzFile, gbSgbATFList, 45 * 20 * 18);
rlm@1: 
rlm@1: 	if (version >= 11)
rlm@1: 	{
rlm@1: 		utilGzRead(gzFile, gbSgbScreenBuffer, 4160);
rlm@1: 		utilGzRead(gzFile, &gbSgbMode, sizeof(gbSgbMode));
rlm@1: 		utilGzRead(gzFile, &gbSgbCGBSupport, sizeof(gbSgbCGBSupport));
rlm@1: 		utilGzRead(gzFile, &gbSgbPacketTimeout, sizeof(gbSgbPacketTimeout));
rlm@1: 	}
rlm@1: }
rlm@1: