diff options
Diffstat (limited to 'src/AREngine.cpp')
| -rw-r--r-- | src/AREngine.cpp | 124 |
1 files changed, 123 insertions, 1 deletions
diff --git a/src/AREngine.cpp b/src/AREngine.cpp index d74d533..7de6580 100644 --- a/src/AREngine.cpp +++ b/src/AREngine.cpp @@ -100,6 +100,25 @@ void Reset() TEMP_PUTCODE(0xB209B468 , 0x00000000); TEMP_PUTCODE(0x10000672 , 0x00000000); TEMP_PUTCODE(0xD2000000 , 0x00000000);*/ + // SM64DS EUR swim through floor + TEMP_PUTCODE(0x927FFFA8 , 0xFBFF0000); // IF 0000 = ((~FBFF) & u16[027FFFA8]) + TEMP_PUTCODE(0x823FDFF8 , 0xFBFF0000); // IF 0000 < ((~FBFF) & u16[023FDFF8]) + TEMP_PUTCODE(0xDA000000 , 0x023FDFFA); // datareg = u16[023FDFFA + offset] + TEMP_PUTCODE(0xD4000000 , 0x00000001); // datareg += 1 + TEMP_PUTCODE(0xD7000000 , 0x023FDFFA); // u16[023FDFFA + offset] = datareg; offset += 2 + TEMP_PUTCODE(0xD2000000 , 0x00000000); // NEXT/FLUSH + TEMP_PUTCODE(0xD3000000 , 0x027FFFA8); // offset = 027FFFA8 + TEMP_PUTCODE(0xF23FDFF8 , 0x00000002); // copy offset->023FDFF8, 2 + TEMP_PUTCODE(0xD2000000 , 0x00000000); // NEXT/FLUSH + TEMP_PUTCODE(0x923FDFFA , 0xFFFE0000); // IF 0000 = ((~FFFE) & u16[023FDFFA]) + TEMP_PUTCODE(0x02037E7C , 0xE2000020); // u32[02037E7C] = E2000020 + TEMP_PUTCODE(0xD0000000 , 0x00000000); // ENDIF + TEMP_PUTCODE(0x923FDFFA , 0xFFFE0001); // IF 0001 = ((~FFFE) & u16[023FDFFA]) + TEMP_PUTCODE(0x02037E7C , 0xE2000000); // u32[02037E7C] = E2000000 + TEMP_PUTCODE(0xD0000000 , 0x00000000); // ENDIF + TEMP_PUTCODE(0x927FFFA8 , 0xFBFF0000); // IF 0000 = ((~FBFF) & u16[027FFFA8]) + TEMP_PUTCODE(0x02037E7C , 0xE3A000FF); // u32[02037E7C] = E3A000FF + TEMP_PUTCODE(0xD2000000 , 0x00000000); // NEXT/FLUSH entry->Enabled = true; NumCheatCodes++; } @@ -132,7 +151,12 @@ void RunCheat(CheatEntry* entry) { if (!cond) { - // TODO: skip parameters for opcode Ex + if ((op & 0xF0) == 0xE0) + { + for (u32 i = 0; i < b; i += 8) + *code += 2; + } + continue; } } @@ -264,6 +288,104 @@ void RunCheat(CheatEntry* entry) cond = 1; break; + case 0xD3: // offset = b + offset = b; + break; + + case 0xD4: // datareg += b + datareg += b; + break; + + case 0xD5: // datareg = b + datareg = b; + break; + + case 0xD6: // u32[b+offset] = datareg / offset += 4 + NDS::ARM7Write32(b + offset, datareg); + offset += 4; + break; + + case 0xD7: // u16[b+offset] = datareg / offset += 2 + NDS::ARM7Write16(b + offset, datareg & 0xFFFF); + offset += 2; + break; + + case 0xD8: // u8[b+offset] = datareg / offset += 1 + NDS::ARM7Write8(b + offset, datareg & 0xFF); + offset += 1; + break; + + case 0xD9: // datareg = u32[b+offset] + datareg = NDS::ARM7Read32(b + offset); + break; + + case 0xDA: // datareg = u16[b+offset] + datareg = NDS::ARM7Read16(b + offset); + break; + + case 0xDB: // datareg = u8[b+offset] + datareg = NDS::ARM7Read8(b + offset); + break; + + case 0xDC: // offset += b + offset += b; + break; + + case16(0xE0): // copy b param bytes to address a+offset + { + // TODO: check for bad alignment of dstaddr + + u32 dstaddr = (a & 0x0FFFFFFF) + offset; + u32 bytesleft = b; + while (bytesleft >= 8) + { + NDS::ARM7Write32(dstaddr, *code++); dstaddr += 4; + NDS::ARM7Write32(dstaddr, *code++); dstaddr += 4; + bytesleft -= 8; + } + if (bytesleft > 0) + { + u8* leftover = (u8*)code; + *code += 2; + if (bytesleft >= 4) + { + NDS::ARM7Write32(dstaddr, *(u32*)leftover); dstaddr += 4; + leftover += 4; + bytesleft -= 4; + } + while (bytesleft > 0) + { + NDS::ARM7Write8(dstaddr, *leftover++); dstaddr++; + bytesleft--; + } + } + } + break; + + case16(0xF0): // copy b bytes from address offset to address a + { + // TODO: check for bad alignment of srcaddr/dstaddr + + u32 srcaddr = offset; + u32 dstaddr = (a & 0x0FFFFFFF); + u32 bytesleft = b; + while (bytesleft >= 4) + { + NDS::ARM7Write32(dstaddr, NDS::ARM7Read32(srcaddr)); + srcaddr += 4; + dstaddr += 4; + bytesleft -= 4; + } + while (bytesleft > 0) + { + NDS::ARM7Write8(dstaddr, NDS::ARM7Read8(srcaddr)); + srcaddr++; + dstaddr++; + bytesleft--; + } + } + break; + default: printf("!! bad AR opcode %08X %08X\n", a, b); return; |