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GB Audio: Fix channel 4 sampling

This commit is contained in:
Jeffrey Pfau 2016-09-17 12:36:24 -07:00
parent 159fd77a8a
commit d1e2f2be6b
1 changed files with 1 additions and 1 deletions
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2
src/gb/audio.c
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@ -553,7 +553,7 @@ int32_t GBAudioProcessEvents(struct GBAudio* audio, int32_t cycles) {
if (!audio->ch4.envelope.dead && frame == 7) {
--audio->ch4.envelope.nextStep;
if (audio->ch4.envelope.nextStep == 0) {
int8_t sample = (audio->ch4.sample >> 31) * 0x8;
int8_t sample = (audio->ch4.sample >> 7) * 0x8;
_updateEnvelope(&audio->ch4.envelope);
audio->ch4.sample = sample * audio->ch4.envelope.currentVolume;
}