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GBA DMA: Add misalign warnings

This commit is contained in:
Vicki Pfau 2017-12-24 17:04:23 -08:00
parent 52e4c4e67c
commit e56ca6ac08
1 changed files with 9 additions and 0 deletions
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9
src/gba/dma.c
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@ -87,6 +87,15 @@ uint16_t GBADMAWriteCNT_HI(struct GBA* gba, int dma, uint16_t control) {
currentDma->reg = GBADMARegisterClearSrcControl(currentDma->reg);
}
currentDma->nextDest = currentDma->dest;
uint32_t width = 2 << GBADMARegisterGetWidth(currentDma->reg);
if (currentDma->nextSource & (width - 1)) {
mLOG(GBA_MEM, GAME_ERROR, "Misaligned DMA source address: 0x%08X", currentDma->nextSource);
}
if (currentDma->nextDest & (width - 1)) {
mLOG(GBA_MEM, GAME_ERROR, "Misaligned DMA destination address: 0x%08X", currentDma->nextDest);
}
GBADMASchedule(gba, dma, currentDma);
}
// If the DMA has already occurred, this value might have changed since the function started