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implement hard reset on OPM/OPZ/OPNB

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This commit is contained in:
tildearrow 2022-04-10 03:04:31 -05:00
parent 570c43e332
commit e23dcd6e1b
4 changed files with 91 additions and 0 deletions
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24
src/engine/platform/ym2610.cpp
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@ -309,6 +309,9 @@ const char* DivPlatformYM2610::getEffectName(unsigned char effect) {
case 0x29:
return "29xy: Set SSG auto-envelope (x: numerator; y: denominator)";
break;
case 0x30:
return "30xx: Toggle hard envelope reset on new notes";
break;
}
return NULL;
}
@ -489,7 +492,25 @@ void DivPlatformYM2610::tick() {
}
if (chan[i].keyOn || chan[i].keyOff) {
if (chan[i].hardReset && chan[i].keyOn) {
for (int j=0; j<4; j++) {
unsigned short baseAddr=chanOffs[i]|opOffs[j];
immWrite(baseAddr+ADDR_SL_RR,0x0f);
immWrite(baseAddr+ADDR_TL,0x7f);
oldWrites[baseAddr+ADDR_SL_RR]=-1;
oldWrites[baseAddr+ADDR_TL]=-1;
//rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
}
}
immWrite(0x28,0x00|konOffs[i]);
if (chan[i].hardReset && chan[i].keyOn) {
for (int j=0; j<4; j++) {
unsigned short baseAddr=chanOffs[i]|opOffs[j];
for (int k=0; k<100; k++) {
immWrite(baseAddr+ADDR_SL_RR,0x0f);
}
}
}
chan[i].keyOff=false;
}
}
@ -930,6 +951,9 @@ int DivPlatformYM2610::dispatch(DivCommand c) {
}
break;
}
case DIV_CMD_FM_HARD_RESET:
chan[c.chan].hardReset=c.value;
break;
case DIV_ALWAYS_SET_VOLUME:
return 0;
break;