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support chrram on uxrom via nes 2.0

This commit is contained in:
zeromus 2016-12-11 23:40:17 +00:00
parent ebcc1fdc0c
commit df3d5c9bbe
1 changed files with 52 additions and 9 deletions
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45
trunk/src/boards/datalatch.cpp
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@ -68,7 +68,48 @@ static void Latch_Init(CartInfo *info, void (*proc)(void), uint8 init, uint16 ad
info->Power = LatchPower; info->Power = LatchPower;
info->Close = LatchClose; info->Close = LatchClose;
GameStateRestore = StateRestore; GameStateRestore = StateRestore;
if (wram) { if(info->ines2)
if(info->battery_wram_size + info->wram_size > 0)
wram = 1;
if (wram)
{
if(info->ines2)
{
//I would like to do it in this way, but FCEUX is woefully inadequate
//for instance if WRAMSIZE is large, the cheat pointers may get overwritten. and it's just a giant mess.
//WRAMSIZE = info->battery_wram_size + info->wram_size;
//WRAM = (uint8*)FCEU_gmalloc(WRAMSIZE);
//if(!info->wram_size && !info->battery_wram_size) {}
//else if(info->wram_size && !info->battery_wram_size)
// SetupCartPRGMapping(0x10, WRAM, info->wram_size, 1);
//else if(!info->wram_size && info->battery_wram_size)
//{
// SetupCartPRGMapping(0x10, WRAM, info->battery_wram_size, 1);
// info->SaveGame[0] = WRAM;
// info->SaveGameLen[0] = info->battery_wram_size;
//} else {
// //well, this is annoying
// SetupCartPRGMapping(0x10, WRAM, info->wram_size, 1);
// SetupCartPRGMapping(0x11, WRAM, info->battery_wram_size, 1); //? ? ? there probably isnt even a way to select this
// info->SaveGame[0] = WRAM + info->wram_size;
// info->SaveGameLen[0] = info->battery_wram_size;
//}
//this is more likely the only practical scenario
WRAMSIZE = 8192;
WRAM = (uint8*)FCEU_gmalloc(WRAMSIZE);
SetupCartPRGMapping(0x10, WRAM, WRAMSIZE, 1);
SetReadHandler(0x6000, 0x7FFF, CartBR);
SetWriteHandler(0x6000, 0x7FFF, CartBW);
setprg8r(0x10, 0x6000, 0);
if(info->battery_wram_size)
{
info->SaveGame[0] = WRAM;
info->SaveGameLen[0] = 8192;
}
}
else
{
WRAMSIZE = 8192; WRAMSIZE = 8192;
WRAM = (uint8*)FCEU_gmalloc(WRAMSIZE); WRAM = (uint8*)FCEU_gmalloc(WRAMSIZE);
SetupCartPRGMapping(0x10, WRAM, WRAMSIZE, 1); SetupCartPRGMapping(0x10, WRAM, WRAMSIZE, 1);
@ -78,6 +119,8 @@ static void Latch_Init(CartInfo *info, void (*proc)(void), uint8 init, uint16 ad
} }
AddExState(WRAM, WRAMSIZE, 0, "WRAM"); AddExState(WRAM, WRAMSIZE, 0, "WRAM");
} }
}
AddExState(&latche, 1, 0, "LATC"); AddExState(&latche, 1, 0, "LATC");
AddExState(&bus_conflict, 1, 0, "BUSC"); AddExState(&bus_conflict, 1, 0, "BUSC");
} }