all repos — mgba @ 4880a1e04116dd01de878116ceb45eef4be4b035

mGBA Game Boy Advance Emulator

GB Audio: Fix initial sweep state
Vicki Pfau vi@endrift.com
Mon, 10 Aug 2020 18:07:39 -0700
commit

4880a1e04116dd01de878116ceb45eef4be4b035

parent

83397d5618c5290c102b83ec68d350750468f9f4

2 files changed, 2 insertions(+), 1 deletions(-)

jump to
M CHANGES → CHANGES 
@@ -1,5 +1,6 @@
 0.8.4: (Future)
 Emulation fixes:
+ - GB Audio: Fix initial sweep state
  - GBA Video: Invalidate map cache when modifying BGCNT (fixes mgba.io/i/1846)
 Other fixes:
  - 3DS: Redo video sync to be more precise
M src/gb/audio.c → src/gb/audio.c 
@@ -117,7 +117,7 @@ }
 	if (audio->style == GB_AUDIO_GBA) {
 		mTimingSchedule(audio->timing, &audio->frameEvent, 0);
 	}
-	audio->ch1 = (struct GBAudioSquareChannel) { .envelope = { .dead = 2 } };
+	audio->ch1 = (struct GBAudioSquareChannel) { .sweep = { .time = 8 }, .envelope = { .dead = 2 } };
 	audio->ch2 = (struct GBAudioSquareChannel) { .envelope = { .dead = 2 } };
 	audio->ch3 = (struct GBAudioWaveChannel) { .bank = 0 };
 	audio->ch4 = (struct GBAudioNoiseChannel) { .nSamples = 0 };