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melonDS
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add code to support GBA slot reads for later

This commit is contained in:
StapleButter 2018-12-12 19:43:29 +01:00
parent 2c8f674318
commit 548432c364
1 changed files with 59 additions and 5 deletions
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64
src/NDS.cpp
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@ -1545,7 +1545,7 @@ void debug(u32 param)
// printf("VRAM %c: %02X\n", 'A'+i, GPU::VRAMCNT[i]);
/*FILE*
shit = fopen("debug/dldio.bin", "wb");
shit = fopen("debug/jam.bin", "wb");
for (u32 i = 0x02000000; i < 0x02400000; i+=4)
{
u32 val = ARM7Read32(i);
@ -1609,6 +1609,11 @@ u8 ARM9Read8(u32 addr)
//printf("GBA read8 %08X\n", addr);
// TODO!!!
return 0xFF;
case 0x0A000000:
if (ExMemCnt[0] & (1<<7)) return 0xFF; // TODO: proper open bus
// TODO!!!
return 0xFF;
}
printf("unknown arm9 read8 %08X\n", addr);
@ -1659,8 +1664,13 @@ u16 ARM9Read16(u32 addr)
case 0x08000000:
case 0x09000000:
if (ExMemCnt[0] & (1<<7)) return 0xFFFF; // TODO: proper open bus
//return *(u16*)&NDSCart::CartROM[addr & (NDSCart::CartROMSize-1)];
//printf("GBA read16 %08X\n", addr);
//return *(u8*)&NDSCart::CartROM[addr & (NDSCart::CartROMSize-1)];
//printf("GBA read8 %08X\n", addr);
// TODO!!!
return 0xFFFF;
case 0x0A000000:
if (ExMemCnt[0] & (1<<7)) return 0xFFFF; // TODO: proper open bus
// TODO!!!
return 0xFFFF;
}
@ -1713,8 +1723,13 @@ u32 ARM9Read32(u32 addr)
case 0x08000000:
case 0x09000000:
if (ExMemCnt[0] & (1<<7)) return 0xFFFFFFFF; // TODO: proper open bus
//return *(u32*)&NDSCart::CartROM[addr & (NDSCart::CartROMSize-1)];
//printf("GBA read32 %08X\n", addr);
//return *(u8*)&NDSCart::CartROM[addr & (NDSCart::CartROMSize-1)];
//printf("GBA read8 %08X\n", addr);
// TODO!!!
return 0xFFFFFFFF;
case 0x0A000000:
if (ExMemCnt[0] & (1<<7)) return 0xFFFFFFFF; // TODO: proper open bus
// TODO!!!
return 0xFFFFFFFF;
}
@ -1903,6 +1918,19 @@ u8 ARM7Read8(u32 addr)
case 0x06000000:
case 0x06800000:
return GPU::ReadVRAM_ARM7<u8>(addr);
case 0x08000000:
case 0x09000000:
if (!(ExMemCnt[0] & (1<<7))) return 0xFF; // TODO: proper open bus
//return *(u8*)&NDSCart::CartROM[addr & (NDSCart::CartROMSize-1)];
//printf("GBA read8 %08X\n", addr);
// TODO!!!
return 0xFF;
case 0x0A000000:
if (!(ExMemCnt[0] & (1<<7))) return 0xFF; // TODO: proper open bus
// TODO!!!
return 0xFF;
}
printf("unknown arm7 read8 %08X %08X %08X/%08X\n", addr, ARM7->R[15], ARM7->R[0], ARM7->R[1]);
@ -1953,6 +1981,19 @@ u16 ARM7Read16(u32 addr)
case 0x06000000:
case 0x06800000:
return GPU::ReadVRAM_ARM7<u16>(addr);
case 0x08000000:
case 0x09000000:
if (!(ExMemCnt[0] & (1<<7))) return 0xFFFF; // TODO: proper open bus
//return *(u8*)&NDSCart::CartROM[addr & (NDSCart::CartROMSize-1)];
//printf("GBA read8 %08X\n", addr);
// TODO!!!
return 0xFFFF;
case 0x0A000000:
if (!(ExMemCnt[0] & (1<<7))) return 0xFFFF; // TODO: proper open bus
// TODO!!!
return 0xFFFF;
}
printf("unknown arm7 read16 %08X %08X\n", addr, ARM7->R[15]);
@ -2003,6 +2044,19 @@ u32 ARM7Read32(u32 addr)
case 0x06000000:
case 0x06800000:
return GPU::ReadVRAM_ARM7<u32>(addr);
case 0x08000000:
case 0x09000000:
if (!(ExMemCnt[0] & (1<<7))) return 0xFFFFFFFF; // TODO: proper open bus
//return *(u8*)&NDSCart::CartROM[addr & (NDSCart::CartROMSize-1)];
//printf("GBA read8 %08X\n", addr);
// TODO!!!
return 0xFFFFFFFF;
case 0x0A000000:
if (!(ExMemCnt[0] & (1<<7))) return 0xFFFFFFFF; // TODO: proper open bus
// TODO!!!
return 0xFFFFFFFF;
}
printf("unknown arm7 read32 %08X | %08X\n", addr, ARM7->R[15]);