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GBA: Fix ROM size check

This commit is contained in:
Jeffrey Pfau 2015-06-02 22:20:19 -07:00
parent c0818c3a0c
commit 6ad402170c
1 changed files with 2 additions and 1 deletions
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3
src/gba/serialize.c
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@ -106,7 +106,8 @@ void GBADeserialize(struct GBA* gba, const struct GBASerializedState* state) {
GBALog(gba, GBA_LOG_WARN, "Savestate is corrupted: audio channel 4 register is negative");
return;
}
if (state->cpu.gprs[ARM_PC] == BASE_CART0 || (state->cpu.gprs[ARM_PC] & SIZE_CART0) >= gba->memory.romSize) {
int region = (state->cpu.gprs[ARM_PC] >> BASE_OFFSET);
if ((region == REGION_CART0 || region == REGION_CART1 || region == REGION_CART2) && ((state->cpu.gprs[ARM_PC] - WORD_SIZE_ARM) & SIZE_CART0) >= gba->memory.romSize - WORD_SIZE_ARM) {
GBALog(gba, GBA_LOG_WARN, "Savestate created using a differently sized version of the ROM");
return;
}