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-Added Get ROM chip ID Cartridge command. This should greatly increase compatibility.

This commit is contained in:
cyberwarriorx 2006-11-07 00:26:49 +00:00
parent bbdd032c12
commit c99931f5e5
1 changed files with 8 additions and 1 deletions
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9
desmume/src/MMU.c
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@ -505,7 +505,7 @@ u32 FASTCALL MMU_read32(u32 proc, u32 adr)
case CARD_DATA_RD:
{
if(!MMU.dscard[proc].adress) return 0;
if(!MMU.dscard[proc].adress) return 0;
u32 val = T1ReadLong(MMU.CART_ROM, MMU.dscard[proc].adress);
@ -1911,6 +1911,13 @@ void FASTCALL MMU_write32(u32 proc, u32 adr, u32 val)
MMU.dscard[proc].adress = (MEM_8(MMU.MMU_MEM[proc], CARD_COMMAND+1) << 24) | (MEM_8(MMU.MMU_MEM[proc], CARD_COMMAND+2) << 16) | (MEM_8(MMU.MMU_MEM[proc], CARD_COMMAND+3) << 8) | (MEM_8(MMU.MMU_MEM[proc], CARD_COMMAND+4));
MMU.dscard[proc].transfer_count = 0x80;// * ((val>>24)&7));
}
else if (MEM_8(MMU.MMU_MEM[proc], CARD_COMMAND) == 0xB8)
{
// Get ROM chip ID
val |= 0x800000; // Data-Word Status
T1WriteLong(MMU.MMU_MEM[proc][(CARD_CR2 >> 20) & 0xff], CARD_CR2 & 0xfff, val);
MMU.dscard[proc].adress = 0;
}
else
{
LOG("CARD command: %02X\n", MEM_8(MMU.MMU_MEM[proc], CARD_COMMAND));