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change chan osc range - PLEASE READ

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as of now the range is ~32768, either from -16384 to 16383, or 0 to 32767.
it previously was -32768 to 32767 (~65536).

this change was made to better suit chips that only output a positive value.
if you are working on a new chip, update your code and shift right by one if necessary.
This commit is contained in:
tildearrow 2023-06-16 17:30:11 -05:00
parent ad9981fdea
commit 29dfeccfe7
48 changed files with 126 additions and 129 deletions
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18
src/engine/platform/genesis.cpp
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@ -184,18 +184,18 @@ void DivPlatformGenesis::acquire_nuked(short** buf, size_t len) {
if (i==5) {
if (fm.dacen) {
if (softPCM) {
oscBuf[5]->data[oscBuf[5]->needle++]=chan[5].dacOutput<<7;
oscBuf[6]->data[oscBuf[6]->needle++]=chan[6].dacOutput<<7;
oscBuf[5]->data[oscBuf[5]->needle++]=chan[5].dacOutput<<6;
oscBuf[6]->data[oscBuf[6]->needle++]=chan[6].dacOutput<<6;
} else {
oscBuf[i]->data[oscBuf[i]->needle++]=fm.dacdata<<7;
oscBuf[i]->data[oscBuf[i]->needle++]=fm.dacdata<<6;
oscBuf[6]->data[oscBuf[6]->needle++]=0;
}
} else {
oscBuf[i]->data[oscBuf[i]->needle++]=CLAMP(fm.ch_out[i]<<(chipType==2?2:7),-32768,32767);
oscBuf[i]->data[oscBuf[i]->needle++]=CLAMP(fm.ch_out[i]<<(chipType==2?1:6),-32768,32767);
oscBuf[6]->data[oscBuf[6]->needle++]=0;
}
} else {
oscBuf[i]->data[oscBuf[i]->needle++]=CLAMP(fm.ch_out[i]<<(chipType==2?2:7),-32768,32767);
oscBuf[i]->data[oscBuf[i]->needle++]=CLAMP(fm.ch_out[i]<<(chipType==2?1:6),-32768,32767);
}
}
@ -243,16 +243,16 @@ void DivPlatformGenesis::acquire_ymfm(short** buf, size_t len) {
//OPN2_Write(&fm,0,0);
for (int i=0; i<6; i++) {
int chOut=(fme->debug_channel(i)->debug_output(0)+fme->debug_channel(i)->debug_output(1))<<6;
int chOut=(fme->debug_channel(i)->debug_output(0)+fme->debug_channel(i)->debug_output(1))<<5;
if (chOut<-32768) chOut=-32768;
if (chOut>32767) chOut=32767;
if (i==5) {
if (fm_ymfm->debug_dac_enable()) {
if (softPCM) {
oscBuf[5]->data[oscBuf[5]->needle++]=chan[5].dacOutput<<7;
oscBuf[6]->data[oscBuf[6]->needle++]=chan[6].dacOutput<<7;
oscBuf[5]->data[oscBuf[5]->needle++]=chan[5].dacOutput<<6;
oscBuf[6]->data[oscBuf[6]->needle++]=chan[6].dacOutput<<6;
} else {
oscBuf[i]->data[oscBuf[i]->needle++]=fm_ymfm->debug_dac_data()<<7;
oscBuf[i]->data[oscBuf[i]->needle++]=fm_ymfm->debug_dac_data()<<6;
oscBuf[6]->data[oscBuf[6]->needle++]=0;
}
} else {