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GBA: Ensure proper audio timing in savestates

This commit is contained in:
Jeffrey Pfau 2015-06-02 22:13:29 -07:00
parent cd43d07561
commit c0818c3a0c
1 changed files with 16 additions and 0 deletions
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16
src/gba/serialize.c
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@ -90,6 +90,22 @@ void GBADeserialize(struct GBA* gba, const struct GBASerializedState* state) {
GBALog(gba, GBA_LOG_WARN, "Savestate is corrupted: overflowInterval is negative");
return;
}
if (state->audio.ch1.envelopeNextStep < 0 || state->audio.ch1.waveNextStep < 0 || state->audio.ch1.sweepNextStep < 0 || state->audio.ch1.nextEvent < 0) {
GBALog(gba, GBA_LOG_WARN, "Savestate is corrupted: audio channel 1 register is negative");
return;
}
if (state->audio.ch2.envelopeNextStep < 0 || state->audio.ch2.waveNextStep < 0 || state->audio.ch2.nextEvent < 0) {
GBALog(gba, GBA_LOG_WARN, "Savestate is corrupted: audio channel 2 register is negative");
return;
}
if (state->audio.ch3.nextEvent < 0) {
GBALog(gba, GBA_LOG_WARN, "Savestate is corrupted: audio channel 3 register is negative");
return;
}
if (state->audio.ch4.envelopeNextStep < 0 || state->audio.ch4.nextEvent < 0) {
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) {
GBALog(gba, GBA_LOG_WARN, "Savestate created using a differently sized version of the ROM");
return;