ShuriZma
/
desmume
mirror of https://github.com/TASEmulators/desmume.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

AR: implemented some codes and fixed early my commit

This commit is contained in:
mtabachenko 2009-04-18 20:01:26 +00:00
parent ea58962012
commit 438800961e
1 changed files with 129 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

150
desmume/src/cheatSystem.cpp
View File

@ -171,6 +171,8 @@ static void cheats_ARparser(CHEATS_LIST cheat)
u8 subtype = 0;
u32 hi = 0;
u32 lo = 0;
u32 addr = 0;
u32 val = 0;
// AR temporary vars & flags
u32 offset = 0;
u32 datareg = 0;
@ -183,7 +185,7 @@ static void cheats_ARparser(CHEATS_LIST cheat)
type = cheat.hi[i] >> 28;
subtype = (cheat.hi[i] >> 24) & 0x0F;
hi = cheat.hi[i] & 0x00FFFFFF;
hi = cheat.hi[i] & 0x0FFFFFFF;
lo = cheat.lo[i];
#ifdef AR_DISASM
cheatsDisassemble_AR(cheat.hi[i], cheat.lo[i]);
@ -216,132 +218,238 @@ static void cheats_ARparser(CHEATS_LIST cheat)
//parameter bytes 9..10 for above code (padded with 00s)
}
else
T1WriteLong(MMU.MMU_MEM[ARMCPU_ARM9][0x20], hi + offset, lo);
{
addr = hi + offset;
T1WriteLong(MMU.MMU_MEM[ARMCPU_ARM9][addr>>20], addr & MMU.MMU_MASK[ARMCPU_ARM9][addr>>20], lo);
}
}
break;
case 0x01:
T1WriteWord(MMU.MMU_MEM[ARMCPU_ARM9][0x20], hi + offset, lo & 0x0000FFFF);
addr = hi + offset;
T1WriteWord(MMU.MMU_MEM[ARMCPU_ARM9][addr>>20], addr & MMU.MMU_MASK[ARMCPU_ARM9][addr>>20], lo & 0x0000FFFF);
break;
case 0x02:
T1WriteByte(MMU.MMU_MEM[ARMCPU_ARM9][0x20], hi + offset, lo & 0x000000FF);
addr = hi + offset;
T1WriteByte(MMU.MMU_MEM[ARMCPU_ARM9][addr>>20], addr & MMU.MMU_MASK[ARMCPU_ARM9][addr>>20], lo & 0x000000FF);
break;
case 0x03:
if ( lo > T1ReadLong(MMU.MMU_MEM[ARMCPU_ARM9][0x20], hi) )
val = T1ReadLong(MMU.MMU_MEM[ARMCPU_ARM9][hi>>20], hi & MMU.MMU_MASK[ARMCPU_ARM9][hi>>20]);
if ( lo > val )
{
if (if_flag > 0) if_flag--;
}
else
{
if_flag++;
if (if_flag > 32) {
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) )
val = T1ReadLong(MMU.MMU_MEM[ARMCPU_ARM9][hi>>20], hi & MMU.MMU_MASK[ARMCPU_ARM9][hi>>20]);
if ( lo < val )
{
if (if_flag > 0) if_flag--;
}
else
{
if_flag++;
if (if_flag > 32) {
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) )
val = T1ReadLong(MMU.MMU_MEM[ARMCPU_ARM9][hi>>20], hi & MMU.MMU_MASK[ARMCPU_ARM9][hi>>20]);
if ( lo == val )
{
if (if_flag > 0) if_flag--;
}
else
{
if_flag++;
if (if_flag > 32) {
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) )
val = T1ReadLong(MMU.MMU_MEM[ARMCPU_ARM9][hi>>20], hi & MMU.MMU_MASK[ARMCPU_ARM9][hi>>20]);
if ( lo != val )
{
if (if_flag > 0) if_flag--;
}
else
{
if_flag++;
if (if_flag > 32) {
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)) )
val = T1ReadWord(MMU.MMU_MEM[ARMCPU_ARM9][hi>>20], hi & MMU.MMU_MASK[ARMCPU_ARM9][hi>>20]) & 0x0000FFFF;
if ( (lo & 0xFFFF) > ( (~(lo >> 16)) & val) )
{
if (if_flag > 0) if_flag--;
}
else
{
if_flag++;
if (if_flag > 32) {
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)) )
val = T1ReadWord(MMU.MMU_MEM[ARMCPU_ARM9][hi>>20], hi & MMU.MMU_MASK[ARMCPU_ARM9][hi>>20]) & 0x0000FFFF;
if ( (lo & 0xFFFF) < ( (~(lo >> 16)) & val) )
{
if (if_flag > 0) if_flag--;
}
else
{
if_flag++;
if (if_flag > 32) {
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)) )
val = T1ReadWord(MMU.MMU_MEM[ARMCPU_ARM9][hi>>20], hi & MMU.MMU_MASK[ARMCPU_ARM9][hi>>20]);
if ( (lo & 0xFFFF) == ( (~(lo >> 16)) & val) )
{
if (if_flag > 0) if_flag--;
}
else
{
if_flag++;
if (if_flag > 32) {
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)) )
val = T1ReadWord(MMU.MMU_MEM[ARMCPU_ARM9][hi>>20], hi & MMU.MMU_MASK[ARMCPU_ARM9][hi>>20]) & 0x0000FFFF;
if ( (lo & 0xFFFF) != ( (~(lo >> 16)) & val) )
{
if (if_flag > 0) if_flag--;
}
else
{
if_flag++;
if (if_flag > 32) {
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);
addr = hi + offset;
offset = T1ReadWord(MMU.MMU_MEM[ARMCPU_ARM9][addr>>20], addr & MMU.MMU_MASK[ARMCPU_ARM9][addr>>20]) & 0x0000FFFF;
break;
case 0x0C:
switch (subtype)
{
case 0x0:
break;
case 0x4:
break;
case 0x5:
break;
case 0x6:
break;
}
break;
case 0x0D:
{
switch (subtype)
{
case 0x0:
case 0x1:
case 0x2:
break;
case 0x3:
offset = lo;
break;
case 0x4:
datareg += lo;
break;
case 0x5:
datareg = lo;
break;
case 0x6:
addr = lo + offset;
T1WriteLong(MMU.MMU_MEM[ARMCPU_ARM9][addr>>20], addr & MMU.MMU_MASK[ARMCPU_ARM9][addr>>20], datareg);
offset += 4;
break;
case 0x7:
addr = lo + offset;
T1WriteWord(MMU.MMU_MEM[ARMCPU_ARM9][addr>>20], addr & MMU.MMU_MASK[ARMCPU_ARM9][addr>>20], datareg & 0x0000FFFF);
offset += 2;
break;
case 0x8:
addr = lo + offset;
T1WriteByte(MMU.MMU_MEM[ARMCPU_ARM9][addr>>20], addr & MMU.MMU_MASK[ARMCPU_ARM9][addr>>20], datareg & 0x000000FF);
offset += 1;
break;
case 0x9:
addr = lo + offset;
datareg = T1ReadLong(MMU.MMU_MEM[ARMCPU_ARM9][addr>>20], addr & MMU.MMU_MASK[ARMCPU_ARM9][addr>>20]);
break;
case 0xA:
addr = lo + offset;
datareg = T1ReadWord(MMU.MMU_MEM[ARMCPU_ARM9][addr>>20], addr & MMU.MMU_MASK[ARMCPU_ARM9][addr>>20]) & 0x0000FFFF;
break;
case 0xB:
addr = lo + offset;
datareg = T1ReadByte(MMU.MMU_MEM[ARMCPU_ARM9][addr>>20], addr & MMU.MMU_MASK[ARMCPU_ARM9][addr>>20]) & 0x000000FF;
break;
case 0xC:
offset += lo;
break;
}
}
break;
case 0xE:
break;
case 0xF:
break;
//default: INFO("AR: ERROR uknown command 0x%2X at %08X:%08X\n", type, hi, lo); break;