Endian fixes from FBANext for CPS-3
This commit is contained in:
Barry Harris
parent
7fe089a450
commit
3bfed100ea
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@ -564,7 +564,11 @@ UINT16 __fastcall cps3ReadWord(UINT32 addr)
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// EEPROM
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addr -= 0x05001000;
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if (addr >= 0x100 && addr < 0x180) {
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cps3_current_eeprom_read = EEPROM[((addr-0x100) >> 1) ^ 1];
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#ifdef LSB_FIRST
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cps3_current_eeprom_read = EEPROM[((addr-0x100) >> 1) ^ 1];
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#else
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cps3_current_eeprom_read = EEPROM[((addr-0x100) >> 1)];
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#endif
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} else
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if (addr == 0x202)
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return cps3_current_eeprom_read;
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@ -663,7 +667,9 @@ void __fastcall cps3WriteWord(UINT32 addr, UINT16 data)
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UINT16 * src = (UINT16 *)RomUser;
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UINT16 coldata = src[(paldma_source - 0x200000 + i)];
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#ifdef LSB_FIRST
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coldata = (coldata << 8) | (coldata >> 8);
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#endif
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UINT32 r = (coldata & 0x001F) >> 0;
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UINT32 g = (coldata & 0x03E0) >> 5;
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@ -725,7 +731,11 @@ void __fastcall cps3WriteWord(UINT32 addr, UINT16 data)
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// 0x040C0060 ~ 0x040C007f : cps3_fullscreenzoom
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addr &= 0xff;
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#ifdef LSB_FIRST
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((UINT16 *)RamVReg)[ (addr >> 1) ^ 1 ] = data;
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#else
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((UINT16 *)RamVReg)[ (addr >> 1) ] = data;
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#endif
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} else
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if ((addr >= 0x05000000) && (addr < 0x05001000)) {
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@ -736,7 +746,11 @@ void __fastcall cps3WriteWord(UINT32 addr, UINT16 data)
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// EEPROM
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addr -= 0x05001000;
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if ((addr>=0x080) && (addr<0x100))
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EEPROM[((addr-0x080) >> 1) ^ 1] = data;
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#ifdef LSB_FIRST
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EEPROM[((addr-0x080) >> 1) ^ 1] = data;
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#else
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EEPROM[((addr-0x080) >> 1)] = data;
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#endif
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} else
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if ((addr >= 0x05050000) && (addr < 0x05060000)) {
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// unknow i/o
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@ -788,7 +802,9 @@ UINT8 __fastcall cps3RomReadByte(UINT32 addr)
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{
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// bprintf(PRINT_NORMAL, _T("Rom Attempt to read byte value of location %8x\n"), addr);
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addr &= 0xc7ffffff;
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#ifdef LSB_FIRST
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addr ^= 0x03;
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#endif
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/* UINT32 pc = Sh2GetPC(0);
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if (pc == cps3_bios_test_hack || pc == cps3_game_test_hack){
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bprintf(PRINT_NORMAL, _T("CPS3 Hack : read byte from %08x\n"), addr);
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@ -801,7 +817,9 @@ UINT16 __fastcall cps3RomReadWord(UINT32 addr)
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{
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// bprintf(PRINT_NORMAL, _T("Rom Attempt to read word value of location %8x\n"), addr);
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addr &= 0xc7ffffff;
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#ifdef LSB_FIRST
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addr ^= 0x02;
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#endif
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/* UINT32 pc = Sh2GetPC(0);
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if (pc == cps3_bios_test_hack || pc == cps3_game_test_hack){
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bprintf(PRINT_NORMAL, _T("CPS3 Hack : read word from %08x\n"), addr);
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@ -855,7 +873,9 @@ UINT8 __fastcall cps3RomReadByteSpe(UINT32 addr)
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{
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// bprintf(PRINT_NORMAL, _T("Rom Attempt to read byte value of location %8x\n"), addr);
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addr &= 0xc7ffffff;
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#ifdef LSB_FIRST
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addr ^= 0x03;
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#endif
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return *(RomGame + (addr & 0x00ffffff));
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}
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@ -863,7 +883,9 @@ UINT16 __fastcall cps3RomReadWordSpe(UINT32 addr)
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{
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// bprintf(PRINT_NORMAL, _T("Rom Attempt to read word value of location %8x\n"), addr);
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addr &= 0xc7ffffff;
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#ifdef LSB_FIRST
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addr ^= 0x02;
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#endif
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return *(UINT16 *)(RomGame + (addr & 0x00ffffff));
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}
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@ -913,7 +935,11 @@ void __fastcall cps3VidWriteWord(UINT32 addr, UINT16 data)
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if ((addr >= 0x04080000) && (addr < 0x040c0000)) {
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// Palette
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UINT32 palindex = (addr - 0x04080000) >> 1;
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#ifdef LSB_FIRST
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RamPal[palindex ^ 1] = data;
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#else
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RamPal[palindex] = data;
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#endif
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INT32 r = (data & 0x001F) << 3; // Red
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INT32 g = (data & 0x03E0) >> 2; // Green
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@ -950,7 +976,11 @@ UINT8 __fastcall cps3RamReadByte(UINT32 addr)
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Sh2BurnUntilInt(0);
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addr &= 0x7ffff;
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#ifdef LSB_FIRST
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return *(RamMain + (addr ^ 0x03));
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#else
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return *(RamMain + addr);
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#endif
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}
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UINT16 __fastcall cps3RamReadWord(UINT32 addr)
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@ -964,7 +994,11 @@ UINT16 __fastcall cps3RamReadWord(UINT32 addr)
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Sh2BurnUntilInt(0);
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}
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#ifdef LSB_FIRST
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return *(UINT16 *)(RamMain + (addr ^ 0x02));
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#else
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return *(UINT16 *)(RamMain + addr);
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#endif
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}
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@ -1075,7 +1109,9 @@ INT32 cps3Init()
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ii++;
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}
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#ifdef LSB_FIRST
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be_to_le( RomBios, 0x080000 );
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#endif
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cps3_decrypt_bios();
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// load and decode sh-2 program roms
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@ -1092,7 +1128,9 @@ INT32 cps3Init()
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ii++;
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}
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}
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#ifdef LSB_FIRST
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be_to_le( RomGame, 0x1000000 );
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#endif
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cps3_decrypt_game();
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// load graphic and sound roms
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@ -2031,7 +2069,11 @@ INT32 cps3Frame()
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if (cps3_palette_change) {
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for(INT32 i=0;i<0x0020000;i++) {
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#ifdef LSB_FIRST
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INT32 data = RamPal[i ^ 1];
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#else
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INT32 data = RamPal[i];
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#endif
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INT32 r = (data & 0x001F) << 3; // Red
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INT32 g = (data & 0x03E0) >> 2; // Green
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INT32 b = (data & 0x7C00) >> 7; // Blue
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