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GBA I/O: Unstub SOUNDBIAS

This commit is contained in:
Vicki Pfau 2022-06-01 02:32:21 -07:00
parent cbbcf7478e
commit 29dbb55c80
1 changed files with 2 additions and 1 deletions
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3
src/gba/io.c
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@ -416,6 +416,7 @@ void GBAIOWrite(struct GBA* gba, uint32_t address, uint16_t value) {
value |= gba->memory.io[REG_SOUNDCNT_X >> 1] & 0xF;
break;
case REG_SOUNDBIAS:
value &= 0xC3FE;
GBAAudioWriteSOUNDBIAS(&gba->audio, value);
break;
@ -842,7 +843,6 @@ uint16_t GBAIORead(struct GBA* gba, uint32_t address) {
gba->memory.io[REG_JOYSTAT >> 1] &= ~JOYSTAT_RECV;
break;
case REG_SOUNDBIAS:
case REG_POSTFLG:
mLOG(GBA_IO, STUB, "Stub I/O register read: %03x", address);
break;
@ -878,6 +878,7 @@ uint16_t GBAIORead(struct GBA* gba, uint32_t address) {
case REG_SOUND4CNT_LO:
case REG_SOUND4CNT_HI:
case REG_SOUNDCNT_LO:
case REG_SOUNDBIAS:
if (!GBAudioEnableIsEnable(gba->memory.io[REG_SOUNDCNT_X >> 1])) {
// TODO: Is writing allowed when the circuit is disabled?
return 0;