mirror of
https://github.com/dborth/vbagx.git
synced 2024-11-26 20:44:16 +01:00
908 lines
20 KiB
C++
908 lines
20 KiB
C++
#include <stdlib.h>
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#include <string.h>
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#include "../System.h"
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#include "../common/Port.h"
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#include "../Util.h"
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#include "gb.h"
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#include "gbGlobals.h"
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extern u8 *pix;
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extern bool speedup;
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extern bool gbSgbResetFlag;
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#define GBSGB_NONE 0
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#define GBSGB_RESET 1
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#define GBSGB_PACKET_TRANSMIT 2
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u8 *gbSgbBorderChar = NULL;
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u8 *gbSgbBorder = NULL;
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int gbSgbCGBSupport = 0;
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int gbSgbMask = 0;
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int gbSgbMode = 0;
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int gbSgbPacketState = GBSGB_NONE;
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int gbSgbBit = 0;
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int gbSgbPacketTimeout = 0;
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int GBSGB_PACKET_TIMEOUT = 66666;
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u8 gbSgbPacket[16*7];
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int gbSgbPacketNBits = 0;
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int gbSgbPacketByte = 0;
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int gbSgbPacketNumber = 0;
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int gbSgbMultiplayer = 0;
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int gbSgbFourPlayers = 0;
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u8 gbSgbNextController = 0x0f;
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u8 gbSgbReadingController = 0;
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u16 gbSgbSCPPalette[4*512];
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u8 gbSgbATF[20 * 18];
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u8 gbSgbATFList[45 * 20 * 18];
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u8 gbSgbScreenBuffer[4160];
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inline void gbSgbDraw24Bit(u8 *p, u16 v)
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{
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memcpy(p, &systemColorMap32[v], 3);
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}
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inline void gbSgbDraw32Bit(u32 *p, u16 v)
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{
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*p = systemColorMap32[v];
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}
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inline void gbSgbDraw16Bit(u16 *p, u16 v)
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{
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*p = systemColorMap16[v];
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}
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void gbSgbReset()
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{
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gbSgbPacketTimeout = 0;
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gbSgbCGBSupport = 0;
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gbSgbMask = 0;
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gbSgbPacketState = GBSGB_NONE;
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gbSgbBit = 0;
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gbSgbPacketNBits = 0;
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gbSgbPacketNumber = 0;
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gbSgbMultiplayer = 0;
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gbSgbFourPlayers = 0;
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gbSgbNextController = 0x0f;
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gbSgbReadingController = 0;
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memset(gbSgbSCPPalette, 0, 512*4);
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memset(gbSgbATF, 0, 20*18);
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memset(gbSgbATFList, 0, 45 * 20 * 18);
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memset(gbSgbPacket, 0, 16 * 7);
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memset(gbSgbBorderChar, 0, 32*256);
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memset(gbSgbBorder, 0, 2048);
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int i;
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for(i = 1; i < 2048; i+=2) {
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gbSgbBorder[i] = 1 << 2;
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}
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for(i = 0; i < 32; i++) {
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gbPalette[i*4] = (0x1f) | (0x1f << 5) | (0x1f << 10);
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gbPalette[i*4+1] = (0x15) | (0x15 << 5) | (0x15 << 10);
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gbPalette[i*4+2] = (0x0c) | (0x0c << 5) | (0x0c << 10);
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gbPalette[i*4+3] = 0;
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}
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}
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void gbSgbInit()
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{
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gbSgbBorderChar = (u8 *)malloc(32 * 256);
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gbSgbBorder = (u8 *)malloc(2048);
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gbSgbReset();
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}
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void gbSgbShutdown()
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{
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if(gbSgbBorderChar != NULL) {
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free(gbSgbBorderChar);
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gbSgbBorderChar = NULL;
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}
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if(gbSgbBorder != NULL) {
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free(gbSgbBorder);
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gbSgbBorder = NULL;
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}
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}
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void gbSgbFillScreen(u16 color)
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{
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switch(systemColorDepth) {
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case 16:
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{
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for(int y = 0; y < 144; y++) {
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int yLine = (y+gbBorderRowSkip+1)*(gbBorderLineSkip+2) +
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gbBorderColumnSkip;
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u16 *dest = (u16*)pix + yLine;
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for(register int x = 0; x < 160; x++)
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gbSgbDraw16Bit(dest++, color);
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}
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}
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break;
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case 24:
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{
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for(int y = 0; y < 144; y++) {
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int yLine = (y+gbBorderRowSkip)*gbBorderLineSkip + gbBorderColumnSkip;
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u8 *dest = (u8 *)pix + yLine*3;
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for(register int x = 0; x < 160; x++) {
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gbSgbDraw24Bit(dest, color);
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dest += 3;
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}
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}
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}
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break;
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case 32:
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{
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for(int y = 0; y < 144; y++) {
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int yLine = (y+gbBorderRowSkip+1)*(gbBorderLineSkip+1) + gbBorderColumnSkip;
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u32 *dest = (u32 *)pix + yLine;
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for(register int x = 0; x < 160; x++) {
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gbSgbDraw32Bit(dest++, color);
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}
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}
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}
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break;
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}
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}
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#define getmem(x) gbMemoryMap[(x) >> 12][(x) & 0xfff]
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void gbSgbRenderScreenToBuffer()
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{
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u16 mapAddress = 0x9800;
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if(register_LCDC & 0x08)
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mapAddress = 0x9c00;
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u16 patternAddress = 0x8800;
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int flag = 1;
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if(register_LCDC & 0x10) {
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patternAddress = 0x8000;
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flag = 0;
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}
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u8 *toAddress = gbSgbScreenBuffer;
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for(int i = 0; i < 13; i++) {
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for(int j = 0; j < 20; j++) {
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int tile = getmem(mapAddress);
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mapAddress++;
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if(flag) {
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if(tile > 127)
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tile -= 128;
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else
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tile += 128;
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}
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for(int k = 0; k < 16; k++)
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*toAddress++ = getmem(patternAddress + tile*16 + k);
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}
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mapAddress += 12;
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}
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}
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void gbSgbDrawBorderTile(int x, int y, int tile, int attr)
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{
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u16 *dest = (u16*)pix + (y * (256+2)) + x;
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u8 *dest8 = (u8*)pix + ((y*256)+x)*3;
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u32 *dest32 = (u32*)pix + (y*257) + x;
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u8 *tileAddress = &gbSgbBorderChar[tile * 32];
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u8 *tileAddress2 = &gbSgbBorderChar[tile * 32 + 16];
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u8 l = 8;
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u8 palette = ((attr >> 2 ) & 7);
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if(palette < 4)
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palette += 4;
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palette *= 16;
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u8 xx = 0;
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u8 yy = 0;
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int flipX = attr & 0x40;
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int flipY = attr & 0x80;
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while(l > 0) {
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u8 mask = 0x80;
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u8 a = *tileAddress++;
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u8 b = *tileAddress++;
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u8 c = *tileAddress2++;
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u8 d = *tileAddress2++;
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u8 yyy;
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if(!flipY)
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yyy = yy;
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else
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yyy = 7 - yy;
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while(mask > 0) {
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u8 color = 0;
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if(a & mask)
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color++;
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if(b & mask)
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color+=2;
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if(c & mask)
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color+=4;
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if(d & mask)
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color+=8;
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if (color || (y + yy < 40 || y + yy >= 184) || (x + xx < 48 || x + xx >= 208)) {
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u8 xxx;
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if(!flipX)
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xxx = xx;
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else
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xxx = 7 - xx;
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u16 cc;
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if (color) {
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cc = gbPalette[palette + color];
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} else {
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cc = gbPalette[0];
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}
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switch(systemColorDepth) {
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case 16:
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gbSgbDraw16Bit(dest + yyy*(256+2) + xxx, cc);
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break;
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case 24:
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gbSgbDraw24Bit(dest8 + (yyy*256+xxx)*3, cc);
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break;
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case 32:
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gbSgbDraw32Bit(dest32 + yyy*(256+1)+xxx, cc);
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break;
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}
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}
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mask >>= 1;
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xx++;
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}
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yy++;
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xx = 0;
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l--;
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mask = 0x80;
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}
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}
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void gbSgbRenderBorder()
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{
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if(gbBorderOn) {
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u8 *fromAddress = gbSgbBorder;
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for(u8 y = 0; y < 28; y++) {
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for(u8 x = 0; x< 32; x++) {
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u8 tile = *fromAddress++;
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u8 attr = *fromAddress++;
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gbSgbDrawBorderTile(x*8,y*8,tile,attr);
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}
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}
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}
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}
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void gbSgbPicture()
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{
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gbSgbRenderScreenToBuffer();
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memcpy(gbSgbBorder, gbSgbScreenBuffer, 2048);
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u16 *paletteAddr = (u16 *)&gbSgbScreenBuffer[2048];
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for(int i = 64; i < 128; i++) {
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gbPalette[i] = READ16LE(paletteAddr++);
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}
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gbSgbCGBSupport |= 4;
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if(gbBorderAutomatic && !gbBorderOn && gbSgbCGBSupport > 4) {
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gbBorderOn = 1;
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systemGbBorderOn();
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}
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if(gbBorderOn && !gbSgbMask)
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gbSgbRenderBorder();
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if(gbSgbMode && gbCgbMode && gbSgbCGBSupport > 4) {
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gbSgbCGBSupport = 0;
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gbSgbMode = 0;
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gbSgbMask = 0;
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gbSgbRenderBorder();
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gbReset();
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}
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if(gbSgbCGBSupport > 4)
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gbSgbCGBSupport = 0;
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}
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void gbSgbSetPalette(int a,int b,u16 *p)
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{
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u16 bit00 = READ16LE(p++);
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int i;
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for(i = 1; i < 4; i++) {
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gbPalette[a*4+i] = READ16LE(p++);
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}
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for(i = 1; i < 4; i++) {
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gbPalette[b*4+i] = READ16LE(p++);
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}
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gbPalette[0] = gbPalette[4] = gbPalette[8] = gbPalette[12] = bit00;
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if(gbBorderOn && !gbSgbMask)
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gbSgbRenderBorder();
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}
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void gbSgbScpPalette()
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{
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gbSgbRenderScreenToBuffer();
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u16 *fromAddress = (u16 *)gbSgbScreenBuffer;
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for(int i = 0; i < 512*4; i++) {
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gbSgbSCPPalette[i] = READ16LE(fromAddress++);
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}
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}
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void gbSgbSetATF(int n)
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{
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if(n < 0)
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n = 0;
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if(n > 44)
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n = 44;
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memcpy(gbSgbATF,&gbSgbATFList[n * 20 * 18], 20 * 18);
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if(gbSgbPacket[1] & 0x40) {
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gbSgbMask = 0;
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if(gbBorderOn)
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gbSgbRenderBorder();
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}
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}
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void gbSgbSetPalette()
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{
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u16 pal = READ16LE((((u16 *)&gbSgbPacket[1])))&511;
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memcpy(&gbPalette[0], &gbSgbSCPPalette[pal*4], 4 * sizeof(u16));
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pal = READ16LE((((u16 *)&gbSgbPacket[3])))&511;
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memcpy(&gbPalette[4], &gbSgbSCPPalette[pal*4], 4 * sizeof(u16));
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pal = READ16LE((((u16 *)&gbSgbPacket[5])))&511;
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memcpy(&gbPalette[8], &gbSgbSCPPalette[pal*4], 4 * sizeof(u16));
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pal = READ16LE((((u16 *)&gbSgbPacket[7])))&511;
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memcpy(&gbPalette[12], &gbSgbSCPPalette[pal*4], 4 * sizeof(u16));
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u8 atf = gbSgbPacket[9];
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if(atf & 0x80) {
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gbSgbSetATF(atf & 0x3f);
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}
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if(atf & 0x40) {
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gbSgbMask = 0;
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if(gbBorderOn)
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gbSgbRenderBorder();
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}
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}
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void gbSgbAttributeBlock()
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{
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u8 *fromAddress = &gbSgbPacket[1];
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u8 nDataSet = *fromAddress++;
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if(nDataSet > 12)
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nDataSet = 12;
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if(nDataSet == 0)
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nDataSet = 1;
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while(nDataSet) {
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u8 controlCode = (*fromAddress++) & 7;
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u8 paletteDesignation = (*fromAddress++) & 0x3f;
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u8 startH = (*fromAddress++) & 0x1f;
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u8 startV = (*fromAddress++) & 0x1f;
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u8 endH = (*fromAddress++) & 0x1f;
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u8 endV = (*fromAddress++) & 0x1f;
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u8 * toAddress = gbSgbATF;
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for(u8 y = 0; y < 18; y++) {
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for(u8 x = 0; x < 20; x++) {
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if(x < startH || y < startV ||
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x > endH || y > endV) {
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// outside
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if(controlCode & 0x04)
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*toAddress = (paletteDesignation >> 4) & 0x03;
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} else if(x > startH && x < endH &&
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y > startV && y < endV) {
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// inside
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if(controlCode & 0x01)
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*toAddress = paletteDesignation & 0x03;
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} else {
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// surrounding line
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if(controlCode & 0x02)
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*toAddress = (paletteDesignation>>2) & 0x03;
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else if(controlCode == 0x01)
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*toAddress = paletteDesignation & 0x03;
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}
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toAddress++;
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}
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}
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nDataSet--;
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}
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}
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void gbSgbSetColumnPalette(u8 col, u8 p)
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{
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// if(col < 0)
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// col = 0;
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if(col > 19)
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col = 19;
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p &= 3;
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u8 *toAddress = &gbSgbATF[col];
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for(u8 y = 0; y < 18; y++) {
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*toAddress = p;
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toAddress += 20;
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}
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}
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void gbSgbSetRowPalette(u8 row, u8 p)
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{
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// if(row < 0)
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// row = 0;
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if(row > 17)
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row = 17;
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p &= 3;
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u8 *toAddress = &gbSgbATF[row*20];
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for(u8 x = 0; x < 20; x++) {
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*toAddress++ = p;
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}
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}
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void gbSgbAttributeDivide()
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{
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u8 control = gbSgbPacket[1];
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u8 coord = gbSgbPacket[2];
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u8 colorBR = control & 3;
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u8 colorAL = (control >> 2) & 3;
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u8 colorOL = (control >> 4) & 3;
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if(control & 0x40) {
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if(coord > 17)
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coord = 17;
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for(u8 i = 0; i < 18; i++) {
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if(i < coord)
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gbSgbSetRowPalette(i, colorAL);
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else if ( i > coord)
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gbSgbSetRowPalette(i, colorBR);
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else
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gbSgbSetRowPalette(i, colorOL);
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}
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} else {
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if(coord > 19)
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coord = 19;
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for(u8 i = 0; i < 20; i++) {
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if(i < coord)
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gbSgbSetColumnPalette(i, colorAL);
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else if ( i > coord)
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gbSgbSetColumnPalette(i, colorBR);
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else
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gbSgbSetColumnPalette(i, colorOL);
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}
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}
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}
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void gbSgbAttributeLine()
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{
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u8 *fromAddress = &gbSgbPacket[1];
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u8 nDataSet = *fromAddress++;
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if(nDataSet > 0x6e)
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nDataSet = 0x6e;
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while(nDataSet) {
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u8 line = *fromAddress++;
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u8 num = line & 0x1f;
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u8 pal = (line >> 5) & 0x03;
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if(line & 0x80) {
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if(num > 17)
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num = 17;
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gbSgbSetRowPalette(num,pal);
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} else {
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if(num > 19)
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num = 19;
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gbSgbSetColumnPalette(num,pal);
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}
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nDataSet--;
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}
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}
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void gbSgbAttributeCharacter()
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{
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u8 startH = gbSgbPacket[1] & 0x1f;
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u8 startV = gbSgbPacket[2] & 0x1f;
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int nDataSet = READ16LE(((u16 *)&gbSgbPacket[3]));
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int style = gbSgbPacket[5] & 1;
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if(startH > 19)
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startH = 19;
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if(startV > 17)
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startV = 17;
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u8 s = 6;
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u8 *fromAddress = &gbSgbPacket[6];
|
|
u8 v = *fromAddress++;
|
|
|
|
if(style) {
|
|
while(nDataSet) {
|
|
u8 p = (v >> s) & 3;
|
|
gbSgbATF[startV * 20 + startH] = p;
|
|
startV++;
|
|
if(startV == 18) {
|
|
startV = 0;
|
|
startH++;
|
|
if(startH == 20)
|
|
break;
|
|
}
|
|
|
|
if(s)
|
|
s -= 2;
|
|
else {
|
|
s = 6;
|
|
v = *fromAddress++;
|
|
nDataSet--;
|
|
}
|
|
}
|
|
} else {
|
|
while(nDataSet) {
|
|
u8 p = (v >> s) & 3;
|
|
gbSgbATF[startV * 20 + startH] = p;
|
|
startH++;
|
|
if(startH == 20) {
|
|
startH = 0;
|
|
startV++;
|
|
if(startV == 18)
|
|
break;
|
|
}
|
|
|
|
if(s)
|
|
s -= 2;
|
|
else {
|
|
s = 6;
|
|
v = *fromAddress++;
|
|
nDataSet--;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void gbSgbSetATFList()
|
|
{
|
|
gbSgbRenderScreenToBuffer();
|
|
|
|
u8 *fromAddress = gbSgbScreenBuffer;
|
|
u8 *toAddress = gbSgbATFList;
|
|
|
|
for(int i = 0; i < 45; i++) {
|
|
for(int j = 0; j < 90; j++) {
|
|
u8 v = *fromAddress++;
|
|
u8 s = 6;
|
|
if(i == 2)
|
|
s = 6;
|
|
for(int k = 0; k < 4; k++) {
|
|
*toAddress++ = (v >> s) & 0x03;
|
|
s -= 2;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void gbSgbMaskEnable()
|
|
{
|
|
int gbSgbMaskFlag = gbSgbPacket[1] & 3;
|
|
|
|
gbSgbMask = gbSgbMaskFlag;
|
|
|
|
switch(gbSgbMaskFlag) {
|
|
case 1:
|
|
break;
|
|
case 2:
|
|
gbSgbFillScreen(0x0000);
|
|
// memset(&gbPalette[0], 0, 128*sizeof(u16));
|
|
break;
|
|
case 3:
|
|
gbSgbFillScreen(gbPalette[0]);
|
|
break;
|
|
}
|
|
if(!gbSgbMask) {
|
|
if(gbBorderOn)
|
|
gbSgbRenderBorder();
|
|
}
|
|
}
|
|
|
|
void gbSgbChrTransfer()
|
|
{
|
|
gbSgbRenderScreenToBuffer();
|
|
|
|
int address = (gbSgbPacket[1] & 1) * (128*32);
|
|
|
|
if(gbSgbPacket[1] & 1)
|
|
gbSgbCGBSupport |= 2;
|
|
else
|
|
gbSgbCGBSupport |= 1;
|
|
|
|
memcpy(&gbSgbBorderChar[address], gbSgbScreenBuffer, 128 * 32);
|
|
|
|
if(gbBorderAutomatic && !gbBorderOn && gbSgbCGBSupport > 4) {
|
|
gbBorderOn = 1;
|
|
systemGbBorderOn();
|
|
}
|
|
|
|
if(gbBorderOn && !gbSgbMask)
|
|
gbSgbRenderBorder();
|
|
|
|
if(gbSgbMode && gbCgbMode && gbSgbCGBSupport == 7) {
|
|
gbSgbCGBSupport = 0;
|
|
gbSgbMode = 0;
|
|
gbSgbMask = 0;
|
|
gbSgbRenderBorder();
|
|
gbReset();
|
|
}
|
|
|
|
if(gbSgbCGBSupport > 4)
|
|
gbSgbCGBSupport = 0;
|
|
}
|
|
|
|
void gbSgbMultiRequest()
|
|
{
|
|
if(gbSgbPacket[1] & 1) {
|
|
gbSgbMultiplayer = 1;
|
|
if(gbSgbPacket[1] & 2)
|
|
gbSgbFourPlayers = 1;
|
|
else
|
|
gbSgbFourPlayers = 0;
|
|
gbSgbNextController = 0x0e;
|
|
} else {
|
|
gbSgbFourPlayers = 0;
|
|
gbSgbMultiplayer = 0;
|
|
gbSgbNextController = 0x0f;
|
|
}
|
|
}
|
|
|
|
void gbSgbCommand()
|
|
{
|
|
int command = gbSgbPacket[0] >> 3;
|
|
// int nPacket = gbSgbPacket[0] & 7;
|
|
|
|
switch(command) {
|
|
case 0x00:
|
|
gbSgbSetPalette(0,1,(u16 *)&gbSgbPacket[1]);
|
|
break;
|
|
case 0x01:
|
|
gbSgbSetPalette(2,3,(u16 *)&gbSgbPacket[1]);
|
|
break;
|
|
case 0x02:
|
|
gbSgbSetPalette(0,3,(u16 *)&gbSgbPacket[1]);
|
|
break;
|
|
case 0x03:
|
|
gbSgbSetPalette(1,2,(u16 *)&gbSgbPacket[1]);
|
|
break;
|
|
case 0x04:
|
|
gbSgbAttributeBlock();
|
|
break;
|
|
case 0x05:
|
|
gbSgbAttributeLine();
|
|
break;
|
|
case 0x06:
|
|
gbSgbAttributeDivide();
|
|
break;
|
|
case 0x07:
|
|
gbSgbAttributeCharacter();
|
|
break;
|
|
case 0x0a:
|
|
gbSgbSetPalette();
|
|
break;
|
|
case 0x0b:
|
|
gbSgbScpPalette();
|
|
break;
|
|
case 0x11:
|
|
gbSgbMultiRequest();
|
|
break;
|
|
case 0x13:
|
|
gbSgbChrTransfer();
|
|
break;
|
|
case 0x14:
|
|
gbSgbPicture();
|
|
break;
|
|
case 0x15:
|
|
gbSgbSetATFList();
|
|
break;
|
|
case 0x16:
|
|
gbSgbSetATF(gbSgbPacket[1] & 0x3f);
|
|
break;
|
|
case 0x17:
|
|
gbSgbMaskEnable();
|
|
break;
|
|
}
|
|
}
|
|
|
|
void gbSgbResetPacketState()
|
|
{
|
|
gbSgbPacketState = GBSGB_NONE;
|
|
gbSgbPacketTimeout = 0;
|
|
}
|
|
|
|
void gbSgbDoBitTransfer(u8 value)
|
|
{
|
|
value = value & 0x30;
|
|
switch(gbSgbPacketState) {
|
|
case GBSGB_NONE:
|
|
if(value == 0) {
|
|
gbSgbPacketState = GBSGB_RESET;
|
|
gbSgbPacketTimeout = GBSGB_PACKET_TIMEOUT;
|
|
} else if (value == 0x30) {
|
|
if(gbSgbMultiplayer) {
|
|
if((gbSgbReadingController & 7) == 7) {
|
|
gbSgbReadingController = 0;
|
|
if(gbSgbMultiplayer) {
|
|
gbSgbNextController--;
|
|
if(gbSgbFourPlayers) {
|
|
if(gbSgbNextController == 0x0b)
|
|
gbSgbNextController = 0x0f;
|
|
} else {
|
|
if(gbSgbNextController == 0x0d)
|
|
gbSgbNextController = 0x0f;
|
|
}
|
|
}
|
|
} else {
|
|
gbSgbReadingController &= 3;
|
|
}
|
|
}
|
|
gbSgbPacketTimeout = 0;
|
|
} else {
|
|
if(value == 0x10)
|
|
gbSgbReadingController |= 0x2;
|
|
else if(value == 0x20)
|
|
gbSgbReadingController |= 0x01;
|
|
gbSgbPacketTimeout = 0;
|
|
}
|
|
gbSgbPacketTimeout = 0;
|
|
break;
|
|
case GBSGB_RESET:
|
|
if(value == 0x30) {
|
|
gbSgbPacketState = GBSGB_PACKET_TRANSMIT;
|
|
gbSgbPacketByte = 0;
|
|
gbSgbPacketNBits = 0;
|
|
gbSgbPacketTimeout = GBSGB_PACKET_TIMEOUT;
|
|
} else if(value == 0x00) {
|
|
gbSgbPacketTimeout = GBSGB_PACKET_TIMEOUT;
|
|
gbSgbPacketState = GBSGB_RESET;
|
|
} else {
|
|
gbSgbPacketState = GBSGB_NONE;
|
|
gbSgbPacketTimeout = 0;
|
|
}
|
|
break;
|
|
case GBSGB_PACKET_TRANSMIT:
|
|
if(value == 0) {
|
|
gbSgbPacketState = GBSGB_RESET;
|
|
gbSgbPacketTimeout = 0;
|
|
} else if (value == 0x30){
|
|
if(gbSgbPacketNBits == 128) {
|
|
gbSgbPacketNBits = 0;
|
|
gbSgbPacketByte = 0;
|
|
gbSgbPacketNumber++;
|
|
gbSgbPacketTimeout = 0;
|
|
if(gbSgbPacketNumber == (gbSgbPacket[0] & 7)) {
|
|
gbSgbCommand();
|
|
gbSgbPacketNumber = 0;
|
|
gbSgbPacketState = GBSGB_NONE;
|
|
gbSgbPacketTimeout = 0;
|
|
}
|
|
} else {
|
|
if(gbSgbPacketNBits < 128) {
|
|
gbSgbPacket[gbSgbPacketNumber * 16 + gbSgbPacketByte] >>= 1;
|
|
gbSgbPacket[gbSgbPacketNumber * 16 + gbSgbPacketByte] |= gbSgbBit;
|
|
gbSgbPacketNBits++;
|
|
if(!(gbSgbPacketNBits & 7)) {
|
|
gbSgbPacketByte++;
|
|
}
|
|
gbSgbPacketTimeout = GBSGB_PACKET_TIMEOUT;
|
|
}
|
|
}
|
|
} else {
|
|
if(value == 0x20)
|
|
gbSgbBit = 0x00;
|
|
else
|
|
gbSgbBit = 0x80;
|
|
gbSgbPacketTimeout = GBSGB_PACKET_TIMEOUT;
|
|
}
|
|
gbSgbReadingController = 0;
|
|
break;
|
|
default:
|
|
gbSgbPacketState = GBSGB_NONE;
|
|
gbSgbPacketTimeout = 0;
|
|
break;
|
|
}
|
|
}
|
|
|
|
variable_desc gbSgbSaveStruct[] = {
|
|
{ &gbSgbMask, sizeof(int) },
|
|
{ &gbSgbPacketState, sizeof(int) },
|
|
{ &gbSgbBit, sizeof(int) },
|
|
{ &gbSgbPacketNBits, sizeof(int) },
|
|
{ &gbSgbPacketByte, sizeof(int) },
|
|
{ &gbSgbPacketNumber, sizeof(int) },
|
|
{ &gbSgbMultiplayer, sizeof(int) },
|
|
{ &gbSgbNextController, sizeof(u8) },
|
|
{ &gbSgbReadingController, sizeof(u8) },
|
|
{ NULL, 0 }
|
|
};
|
|
|
|
variable_desc gbSgbSaveStructV3[] = {
|
|
{ &gbSgbMask, sizeof(int) },
|
|
{ &gbSgbPacketState, sizeof(int) },
|
|
{ &gbSgbBit, sizeof(int) },
|
|
{ &gbSgbPacketNBits, sizeof(int) },
|
|
{ &gbSgbPacketByte, sizeof(int) },
|
|
{ &gbSgbPacketNumber, sizeof(int) },
|
|
{ &gbSgbMultiplayer, sizeof(int) },
|
|
{ &gbSgbNextController, sizeof(u8) },
|
|
{ &gbSgbReadingController, sizeof(u8) },
|
|
{ &gbSgbFourPlayers, sizeof(int) },
|
|
{ NULL, 0 }
|
|
};
|
|
|
|
void gbSgbSaveGame(gzFile gzFile)
|
|
{
|
|
utilWriteData(gzFile, gbSgbSaveStructV3);
|
|
|
|
utilGzWrite(gzFile, gbSgbBorder, 2048);
|
|
utilGzWrite(gzFile, gbSgbBorderChar, 32*256);
|
|
|
|
utilGzWrite(gzFile, gbSgbPacket, 16*7);
|
|
|
|
utilGzWrite(gzFile, gbSgbSCPPalette, 4 * 512 * sizeof(u16));
|
|
utilGzWrite(gzFile, gbSgbATF, 20 * 18);
|
|
utilGzWrite(gzFile, gbSgbATFList, 45 * 20 * 18);
|
|
}
|
|
|
|
void gbSgbReadGame(gzFile gzFile, int version)
|
|
{
|
|
if(version >= 3)
|
|
utilReadData(gzFile, gbSgbSaveStructV3);
|
|
else {
|
|
utilReadData(gzFile, gbSgbSaveStruct);
|
|
gbSgbFourPlayers = 0;
|
|
}
|
|
|
|
if(version >= 8) {
|
|
utilGzRead(gzFile, gbSgbBorder, 2048);
|
|
utilGzRead(gzFile, gbSgbBorderChar, 32*256);
|
|
}
|
|
|
|
utilGzRead(gzFile, gbSgbPacket, 16*7);
|
|
|
|
utilGzRead(gzFile, gbSgbSCPPalette, 4 * 512 * sizeof(u16));
|
|
utilGzRead(gzFile, gbSgbATF, 20 * 18);
|
|
utilGzRead(gzFile, gbSgbATFList, 45 * 20 * 18);
|
|
}
|