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cheats: 

- added some Action Replay codes processing;
This commit is contained in:
mtabachenko 2009-04-18 16:12:25 +00:00
parent e3d3b1407f
commit 19d5e1c354
2 changed files with 178 additions and 20 deletions
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196
desmume/src/cheatSystem.cpp
View File

@ -102,10 +102,10 @@ void cheatsDisassemble_AR(u32 hi, u32 lo)
if ((hi==0x0000AA99) && (lo=0))
INFO("AR: parameter bytes 9..10 for above code (padded with 00s)\n");
else
INFO("AR: word [%07X+%07X] = %08X\n", hi, 0, lo);
INFO("AR: word [%07X+offset] = %08X\n", hi, lo);
break;
case 0x01: INFO("AR: half [%07X+%07X] = %04X\n", hi, 0, lo); break;
case 0x02: INFO("AR: byte [%07X+%07X] = %02X\n", hi, 0, lo); break;
case 0x01: INFO("AR: half [%07X+offset] = %04X\n", hi, lo & 0xFFFF); break;
case 0x02: INFO("AR: byte [%07X+offset] = %02X\n", hi, lo & 0xFF); break;
case 0x03: INFO("AR: IF %08X > word[%07X] ; unsigned\n", lo, hi); break;
case 0x04:
{
@ -119,10 +119,10 @@ void cheatsDisassemble_AR(u32 hi, u32 lo)
break;
case 0x05: INFO("AR: IF %08X = word[%07X]\n", lo, hi); break;
case 0x06: INFO("AR: IF %08X <> word[%07X]\n", lo, hi); break;
case 0x07: INFO("AR: IF %04X > ((not %04X) AND half[%07X])\n", hi, (lo >> 4), (lo & 0xF)); break;
case 0x08: INFO("AR: IF %04X < ((not %04X) AND half[%07X])\n", hi, (lo >> 4), (lo & 0xF)); break;
case 0x09: INFO("AR: IF %04X = ((not %04X) AND half[%07X])\n", hi, (lo >> 4), (lo & 0xF)); break;
case 0x0A: INFO("AR: IF %04X <> ((not %04X) AND half[%07X])\n", hi, (lo >> 4), (lo & 0xF)); break;
case 0x07: INFO("AR: IF %04X > ((not %04X) AND half[%07X])\n", (lo & 0xF), (lo >> 16), hi); break;
case 0x08: INFO("AR: IF %04X < ((not %04X) AND half[%07X])\n", (lo & 0xF), (lo >> 16), hi); break;
case 0x09: INFO("AR: IF %04X = ((not %04X) AND half[%07X])\n", (lo & 0xF), (lo >> 16), hi); break;
case 0x0A: INFO("AR: IF %04X <> ((not %04X) AND half[%07X])\n",(lo & 0xF), (lo >> 16), hi); break;
case 0x0B: INFO("AR: offset = word[%07X + %07X]\n", hi, 0); break;
case 0x0C:
{
@ -130,8 +130,8 @@ void cheatsDisassemble_AR(u32 hi, u32 lo)
{
case 0x0:INFO("AR: FOR loopcount=0 to %08X ;execute %08X times\n", lo, (lo+1)); break;
case 0x2:INFO("AR: offset = address of the C4000000 code ???\n");break;
case 0x5:INFO("AR: counter=counter+1, IF (counter AND YYY) = XXX\n");break;
case 0x6:INFO("AR: [%07X]=%07 (offset)\n", hi, 0);break;
case 0x5:INFO("AR: counter=counter+1, IF (counter AND %04X) = %04X\n", (lo >> 4), (lo &0xF));break;
case 0x6:INFO("AR: [%07X]=offset\n", lo);break;
default: INFO("AR: ERROR uknown command 0x%2X at %08X:%08X\n", type, hi, lo); break;
}
}
@ -144,16 +144,16 @@ void cheatsDisassemble_AR(u32 hi, u32 lo)
case 0x0:INFO("AR: ENDIF\n");break;
case 0x1:INFO("AR: NEXT loopcount\n");break;
case 0x2:INFO("AR: NEXT loopcount & Flush\n");break;
case 0x3:INFO("AR: offset = %07X\n", hi);break;
case 0x4:INFO("AR: datareg = datareg + %07X\n", hi);break;
case 0x5:INFO("AR: datareg = %07X\n",hi);break;
case 0x6:INFO("AR: \n");break;
case 0x7:INFO("AR: \n");break;
case 0x8:INFO("AR: \n");break;
case 0x9:INFO("AR: \n");break;
case 0xA:INFO("AR: \n");break;
case 0xB:INFO("AR: \n");break;
case 0xC:INFO("AR: \n");break;
case 0x3:INFO("AR: offset = %07X\n", lo);break;
case 0x4:INFO("AR: datareg = datareg + %07X\n", lo);break;
case 0x5:INFO("AR: datareg = %07X\n",lo);break;
case 0x6:INFO("AR: word[%07X+offset] = datareg, offset=offset+4\n", lo);break;
case 0x7:INFO("AR: half[%07X+offset] = datareg, offset=offset+2\n", lo);break;
case 0x8:INFO("AR: byte[%07X+offset] = datareg, offset=offset+1\n", lo);break;
case 0x9:INFO("AR: datareg = word[%08X+offset]\n", lo);break;
case 0xA:INFO("AR: datareg = half[%08X+offset]\n", lo);break;
case 0xB:INFO("AR: datareg = byte[%08X+offset]\n", lo);break;
case 0xC:INFO("AR: offset = offset + %08X\n", lo);break;
default: INFO("AR: ERROR uknown command 0x%2X at %08X:%08X\n", type, hi, lo); break;
}
}
@ -167,11 +167,169 @@ void cheatsDisassemble_AR(u32 hi, u32 lo)
static void cheats_ARparser(CHEATS_LIST cheat)
{
u8 type = 0;
u8 subtype = 0;
u32 hi = 0;
u32 lo = 0;
// AR temporary vars & flags
u32 offset = 0;
u32 datareg = 0;
u32 loopcount = 0;
u32 counter = 0;
u32 if_flag = 0;
for (int i=0; i < cheat.num; i++)
{
type = cheat.hi[i] >> 28;
subtype = (cheat.hi[i] >> 24) & 0x0F;
hi = cheat.hi[i] & 0x00FFFFFF;
lo = cheat.lo[i];
#ifdef AR_DISASM
cheatsDisassemble_AR(cheat.hi[i], cheat.lo[i]);
#endif
if (if_flag > 0)
{
if ( (type == 0x0D) && (subtype == 0)) if_flag--; // ENDIF
if ( (type == 0x0D) && (subtype == 2)) // NEXT & Flush
{
offset = 0;
datareg = 0;
loopcount = 0;
counter = 0;
if_flag = 0;
}
continue;
}
switch (type)
{
case 0x00:
{
if (hi==0)
{
//manual hook
}
else
if ((hi==0x0000AA99) && (lo==0))
{
//parameter bytes 9..10 for above code (padded with 00s)
}
else
T1WriteLong(MMU.MMU_MEM[ARMCPU_ARM9][0x20], hi + offset, lo);
}
break;
case 0x01:
T1WriteWord(MMU.MMU_MEM[ARMCPU_ARM9][0x20], hi + offset, lo & 0x0000FFFF);
break;
case 0x02:
T1WriteByte(MMU.MMU_MEM[ARMCPU_ARM9][0x20], hi + offset, lo & 0x000000FF);
break;
case 0x03:
if ( lo > T1ReadLong(MMU.MMU_MEM[ARMCPU_ARM9][0x20], hi) )
{
if (if_flag > 0) if_flag--;
}
else
{
if_flag++;
if (if_flag > 32) LOG("AR: error in 'if' expression (type %i)\n", type);
}
break;
case 0x04:
if ( lo < T1ReadLong(MMU.MMU_MEM[ARMCPU_ARM9][0x20], hi) )
{
if (if_flag > 0) if_flag--;
}
else
{
if_flag++;
if (if_flag > 32) LOG("AR: error in 'if' expression (type %i)\n", type);
}
break;
case 0x05:
if ( lo == T1ReadLong(MMU.MMU_MEM[ARMCPU_ARM9][0x20], hi) )
{
if (if_flag > 0) if_flag--;
}
else
{
if_flag++;
if (if_flag > 32) LOG("AR: error in 'if' expression (type %i)\n", type);
}
break;
case 0x06:
if ( lo != T1ReadLong(MMU.MMU_MEM[ARMCPU_ARM9][0x20], hi) )
{
if (if_flag > 0) if_flag--;
}
else
{
if_flag++;
if (if_flag > 32) LOG("AR: error in 'if' expression (type %i)\n", type);
}
break;
case 0x07:
if ( (lo & 0xFFFF) > ( (~(lo >> 16)) & T1ReadWord(MMU.MMU_MEM[ARMCPU_ARM9][0x20], hi)) )
{
if (if_flag > 0) if_flag--;
}
else
{
if_flag++;
if (if_flag > 32) LOG("AR: error in 'if' expression (type %i)\n", type);
}
break;
case 0x08:
if ( (lo & 0xFFFF) < ( (~(lo >> 16)) & T1ReadWord(MMU.MMU_MEM[ARMCPU_ARM9][0x20], hi)) )
{
if (if_flag > 0) if_flag--;
}
else
{
if_flag++;
if (if_flag > 32) LOG("AR: error in 'if' expression (type %i)\n", type);
}
break;
case 0x09:
if ( (lo & 0xFFFF) == ( (~(lo >> 16)) & T1ReadWord(MMU.MMU_MEM[ARMCPU_ARM9][0x20], hi)) )
{
if (if_flag > 0) if_flag--;
}
else
{
if_flag++;
if (if_flag > 32) LOG("AR: error in 'if' expression (type %i)\n", type);
}
break;
case 0x0A:
if ( (lo & 0xFFFF) != ( (~(lo >> 16)) & T1ReadWord(MMU.MMU_MEM[ARMCPU_ARM9][0x20], hi)) )
{
if (if_flag > 0) if_flag--;
}
else
{
if_flag++;
if (if_flag > 32) LOG("AR: error in 'if' expression (type %i)\n", type);
}
break;
case 0x0B:
offset = T1ReadWord(MMU.MMU_MEM[ARMCPU_ARM9][0x20], hi + offset);
break;
//default: INFO("AR: ERROR uknown command 0x%2X at %08X:%08X\n", type, hi, lo); break;
}
}
}

2
desmume/src/windows/cheatsWin.cpp
View File

@ -570,7 +570,7 @@ BOOL CALLBACK CheatsAdd_XX_Proc(HWND dialog, UINT msg,WPARAM wparam,LPARAM lpara
memset(buf, 0, sizeof(buf));
GetWindowText(GetDlgItem(dialog, IDC_EDIT2), buf, sizeof(buf));
if (strlen(buf) < 18) // min size of code "CXXXXXXX YYYYYYYY"
if (strlen(buf) < 17) // min size of code "CXXXXXXX YYYYYYYY"
{
EnableWindow(GetDlgItem(dialog, IDOK), FALSE);
return TRUE;