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Write audio FIFO in discrete chunks to avoid ordering issues

This commit is contained in:
Jeffrey Pfau 2014-10-07 01:54:02 -07:00
parent 54bda1757e
commit bc2979679e
1 changed files with 6 additions and 3 deletions
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9
src/gba/gba-audio.c
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@ -437,9 +437,12 @@ void GBAAudioWriteFIFO(struct GBAAudio* audio, int address, uint32_t value) {
GBALog(audio->p, GBA_LOG_ERROR, "Bad FIFO write to address 0x%03x", address);
return;
}
while (!CircleBufferWrite32(fifo, value)) {
int32_t dummy;
CircleBufferRead32(fifo, &dummy);
int i;
for (i = 0; i < 4; ++i) {
while (!CircleBufferWrite8(fifo, value >> (8 * i))) {
int8_t dummy;
CircleBufferRead8(fifo, &dummy);
}
}
}