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Game Boy: fix sweep in non-sweep channel

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tildearrow 2022-02-17 22:19:01 -05:00
parent 585efbec13
commit f376e919ff
1 changed files with 2 additions and 0 deletions
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2
src/engine/platform/gb.cpp
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@ -358,6 +358,7 @@ int DivPlatformGB::dispatch(DivCommand c) {
chan[c.chan].inPorta=c.value; chan[c.chan].inPorta=c.value;
break; break;
case DIV_CMD_GB_SWEEP_DIR: case DIV_CMD_GB_SWEEP_DIR:
if (c.chan>0) break;
chan[c.chan].sweep&=0xf7; chan[c.chan].sweep&=0xf7;
if (c.value&1) { if (c.value&1) {
chan[c.chan].sweep|=8; chan[c.chan].sweep|=8;
@ -365,6 +366,7 @@ int DivPlatformGB::dispatch(DivCommand c) {
chan[c.chan].sweepChanged=true; chan[c.chan].sweepChanged=true;
break; break;
case DIV_CMD_GB_SWEEP_TIME: case DIV_CMD_GB_SWEEP_TIME:
if (c.chan>0) break;
chan[c.chan].sweep&=8; chan[c.chan].sweep&=8;
chan[c.chan].sweep|=c.value&0x77; chan[c.chan].sweep|=c.value&0x77;
chan[c.chan].sweepChanged=true; chan[c.chan].sweepChanged=true;