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GBA DMA: Fix invalid audio DMA parameters

This commit is contained in:
Vicki Pfau 2020-02-15 13:43:50 -08:00
parent f0ff8d5f82
commit 52a4cbcb81
2 changed files with 3 additions and 2 deletions
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1
CHANGES
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@ -10,6 +10,7 @@ Emulation fixes:
- GBA BIOS: Implement dummy sound driver calls
- GBA BIOS: Improve HLE BIOS timing
- GBA DMA: Linger last DMA on bus (fixes mgba.io/i/301 and mgba.io/i/1320)
- GBA DMA: Fix invalid audio DMA parameters
- GBA Memory: Misaligned SRAM writes are ignored
- GBA Memory: Improve gamepak prefetch timing
- GBA Serialize: Fix serializing DMA transfer register

4
src/gba/audio.c
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@ -104,6 +104,8 @@ void GBAAudioResizeBuffer(struct GBAAudio* audio, size_t samples) {
}
void GBAAudioScheduleFifoDma(struct GBAAudio* audio, int number, struct GBADMA* info) {
info->reg = GBADMARegisterSetDestControl(info->reg, GBA_DMA_FIXED);
info->reg = GBADMARegisterSetWidth(info->reg, 1);
switch (info->dest) {
case BASE_IO | REG_FIFO_A_LO:
audio->chA.dmaSource = number;
@ -129,8 +131,6 @@ void GBAAudioScheduleFifoDma(struct GBAAudio* audio, int number, struct GBADMA*
audio->externalMixing = false;
}
}
info->reg = GBADMARegisterSetDestControl(info->reg, GBA_DMA_FIXED);
info->reg = GBADMARegisterSetWidth(info->reg, 1);
}
void GBAAudioWriteSOUND1CNT_LO(struct GBAAudio* audio, uint16_t value) {