otomatalabs/furnace
8
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

implement hard reset on OPM/OPZ/OPNB

Browse source
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
Download patch file Download diff file Expand all files Collapse all files

20
src/engine/platform/arcade.cpp
View file

@ -369,7 +369,24 @@ void DivPlatformArcade::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;
}
}
immWrite(0x08,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<9; k++) {
immWrite(baseAddr+ADDR_SL_RR,0x0f);
}
}
}
chan[i].keyOff=false;
}
}
@ -605,6 +622,9 @@ int DivPlatformArcade::dispatch(DivCommand c) {
immWrite(0x19,0x80|pmDepth);
break;
}
case DIV_CMD_FM_HARD_RESET:
chan[c.chan].hardReset=c.value;
break;
case DIV_CMD_STD_NOISE_FREQ: {
if (c.chan!=7) break;
if (c.value) {