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Preemptively mark the envelope as dead in some cases

This commit is contained in:
Jeffrey Pfau 2013-10-26 04:23:08 -07:00
parent 70365782de
commit ffef3d2486
1 changed files with 12 additions and 3 deletions
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15
src/gba/gba-audio.c
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@ -217,12 +217,15 @@ void GBAAudioWriteSOUND1CNT_LO(struct GBAAudio* audio, uint16_t value) {
void GBAAudioWriteSOUND1CNT_HI(struct GBAAudio* audio, uint16_t value) {
audio->ch1.envelope.packed = value;
audio->ch1.envelope.dead = 0;
if (audio->ch1.envelope.stepTime) {
audio->ch1.envelope.nextStep = 0;
} else {
audio->ch1.envelope.nextStep = INT_MAX;
if (audio->ch1.envelope.initialVolume == 0) {
audio->ch1.envelope.dead = 1;
}
}
audio->ch1.envelope.dead = 0;
}
void GBAAudioWriteSOUND1CNT_X(struct GBAAudio* audio, uint16_t value) {
@ -254,12 +257,15 @@ void GBAAudioWriteSOUND1CNT_X(struct GBAAudio* audio, uint16_t value) {
void GBAAudioWriteSOUND2CNT_LO(struct GBAAudio* audio, uint16_t value) {
audio->ch2.envelope.packed = value;
audio->ch2.envelope.dead = 0;
if (audio->ch2.envelope.stepTime) {
audio->ch2.envelope.nextStep = 0;
} else {
audio->ch2.envelope.nextStep = INT_MAX;
if (audio->ch2.envelope.initialVolume == 0) {
audio->ch2.envelope.dead = 1;
}
}
audio->ch2.envelope.dead = 0;
}
void GBAAudioWriteSOUND2CNT_HI(struct GBAAudio* audio, uint16_t value) {
@ -295,12 +301,15 @@ void GBAAudioWriteSOUND3CNT_X(struct GBAAudio* audio, uint16_t value) {
void GBAAudioWriteSOUND4CNT_LO(struct GBAAudio* audio, uint16_t value) {
audio->ch4.envelope.packed = value;
audio->ch4.envelope.dead = 0;
if (audio->ch4.envelope.stepTime) {
audio->ch4.envelope.nextStep = 0;
} else {
audio->ch4.envelope.nextStep = INT_MAX;
if (audio->ch4.envelope.initialVolume == 0) {
audio->ch4.envelope.dead = 1;
}
}
audio->ch4.envelope.dead = 0;
}
void GBAAudioWriteSOUND4CNT_HI(struct GBAAudio* audio, uint16_t value) {