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GBA: Fix PARv3 IO codes, add master code support

This commit is contained in:
Jeffrey Pfau 2015-03-29 04:48:42 -07:00
parent 178f9a83bb
commit d38f99e041
1 changed files with 20 additions and 2 deletions
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22
src/gba/cheats.c
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@ -507,6 +507,10 @@ static bool _addPAR3(struct GBACheatSet* cheats, uint32_t op1, uint32_t op2) {
return true;
}
if (op2 == 0x001DC0DE) {
return true;
}
switch (op1) {
case 0x00000000:
return _addPAR3Special(cheats, op2);
@ -515,6 +519,18 @@ static bool _addPAR3(struct GBACheatSet* cheats, uint32_t op1, uint32_t op2) {
return true;
}
if (op1 >> 24 == 0xC4) {
if (cheats->hook) {
return false;
}
cheats->hook = malloc(sizeof(*cheats->hook));
cheats->hook->address = BASE_CART0 | (op1 & (SIZE_CART0 - 1));
cheats->hook->mode = MODE_THUMB;
cheats->hook->refs = 1;
cheats->hook->reentries = 0;
return true;
}
if (op1 & PAR3_COND) {
return _addPAR3Cond(cheats, op1, op2);
}
@ -522,8 +538,6 @@ static bool _addPAR3(struct GBACheatSet* cheats, uint32_t op1, uint32_t op2) {
int width = 1 << ((op1 & PAR3_WIDTH) >> PAR3_WIDTH_BASE);
struct GBACheat* cheat = GBACheatListAppend(&cheats->list);
cheat->address = _parAddr(op1);
cheat->width = width;
cheat->operand = op2 & (0xFFFFFFFFU >> ((4 - width) * 8));
cheat->operandOffset = 0;
cheat->addressOffset = 0;
cheat->repeat = 1;
@ -546,10 +560,14 @@ static bool _addPAR3(struct GBACheatSet* cheats, uint32_t op1, uint32_t op2) {
cheat->type = CHEAT_ADD;
break;
case PAR3_BASE_OTHER:
width = ((op1 >> 24) & 1) + 1;
cheat->type = CHEAT_ASSIGN;
cheat->address = BASE_IO | (op1 & OFFSET_MASK);
break;
}
cheat->width = width;
cheat->operand = op2 & (0xFFFFFFFFU >> ((4 - width) * 8));
return true;
}