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GBA Memory: Support for Mo Jie Qi Bing by Vast Fame

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This commit is contained in:
taizou 2016-10-27 21:09:06 +01:00
parent 5b80b8e4c7
commit ee4776541a
2 changed files with 15 additions and 8 deletions
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1
CHANGES
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@ -33,6 +33,7 @@ Misc:
- Debugger: Modularize CLI debugger
- Core: Clean up some thread state checks
- Debugger: Make building with debugging aspects optional
- GBA Memory: Support for Mo Jie Qi Bing by Vast Fame (taizou)
0.5.1: (2016-10-05)
Bugfixes:

22
src/gba/vfame.c
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@ -58,7 +58,9 @@ void GBAVFameDetect(struct GBAVFameCart* cart, uint32_t* rom, size_t romSize) {
return;
}
if (memcmp(INIT_SEQUENCE, &rom[0x57], sizeof(INIT_SEQUENCE)) == 0) {
// Most games have the same init sequence in the same place
// but LOTR/Mo Jie Qi Bing doesn't, probably because it's based on the Kiki KaiKai engine, so just detect based on its title
if (memcmp(INIT_SEQUENCE, &rom[0x57], sizeof(INIT_SEQUENCE)) == 0 || memcmp("\0LORD\0WORD\0\0AKIJ", &((struct GBACartridge*) rom)->title, 16) == 0) {
cart->cartType = VFAME_STANDARD;
mLOG(GBA_MEM, INFO, "Vast Fame game detected");
}
@ -262,14 +264,18 @@ static uint32_t _modifySramAddress(enum GBAVFameCartType type, uint32_t address,
}
static int8_t _modifySramValue(enum GBAVFameCartType type, uint8_t value, int mode) {
mode = (mode & 0xF) >> 2;
if (mode == 0) {
return value;
} else if (type == VFAME_GEORGE) {
return _reorderBits(value, VALUE_REORDERING_GEORGE[mode - 1], 8);
} else {
return _reorderBits(value, VALUE_REORDERING[mode - 1], 8);
int reorderType = (mode & 0xF) >> 2;
if (reorderType != 0) {
if (type == VFAME_GEORGE) {
value = _reorderBits(value, VALUE_REORDERING_GEORGE[reorderType - 1], 8);
} else {
value = _reorderBits(value, VALUE_REORDERING[reorderType - 1], 8);
}
}
if (mode & 0x80) {
value ^= 0xAA;
}
return value;
}
// Reorder bits in a byte according to the reordering given