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NES: add DMC write effect

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This commit is contained in:
tildearrow 2022-04-29 00:18:51 -05:00
parent abd42cbb03
commit 8500fa4c4c
4 changed files with 16 additions and 2 deletions
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6
src/engine/platform/nes.cpp
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@ -59,6 +59,9 @@ const char** DivPlatformNES::getRegisterSheet() {
const char* DivPlatformNES::getEffectName(unsigned char effect) {
switch (effect) {
case 0x11:
return "Write to delta modulation counter (0 to 7F)";
break;
case 0x12:
return "12xx: Set duty cycle/noise mode (pulse: 0 to 3; noise: 0 or 1)";
break;
@ -420,6 +423,9 @@ int DivPlatformNES::dispatch(DivCommand c) {
}
rWrite(0x4001+(c.chan*4),chan[c.chan].sweep);
break;
case DIV_CMD_NES_DMC:
rWrite(0x4011,c.value&0x7f);
break;
case DIV_CMD_SAMPLE_BANK:
sampleBank=c.value;
if (sampleBank>(parent->song.sample.size()/12)) {