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no longer crashes

This commit is contained in:
tildearrow 2023-08-21 17:41:41 -05:00
parent 617ee5e324
commit bcb8fdbf06
1 changed files with 5 additions and 3 deletions
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8
src/gui/fmPreview.cpp
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@ -42,6 +42,7 @@ const unsigned char dtTableFMP[8]={
void FurnaceGUI::renderFMPreviewOPN(const DivInstrumentFM& params, int pos) {
if (fmPreviewOPN==NULL) {
fmPreviewOPN=new ym3438_t;
pos=0;
}
short out[2];
int aOut=0;
@ -102,6 +103,7 @@ void FurnaceGUI::renderFMPreviewOPN(const DivInstrumentFM& params, int pos) {
void FurnaceGUI::renderFMPreviewOPM(const DivInstrumentFM& params, int pos) {
if (fmPreviewOPM==NULL) {
fmPreviewOPM=new opm_t;
pos=0;
}
int out[2];
int aOut=0;
@ -129,7 +131,7 @@ void FurnaceGUI::renderFMPreviewOPM(const DivInstrumentFM& params, int pos) {
}
OPM_WRITE(0x20,(params.alg&7)|((params.fb&7)<<3)|0xc0);
OPM_WRITE(0x38,((params.fms&7)<<4)|(params.ams&3));
OPM_WRITE(0x28,mult0?0x00:0x10); // frequency
OPM_WRITE(0x28,mult0?0x20:0x10); // frequency
OPM_WRITE(0x30,0);
OPM_WRITE(0x08,0x78); // key on
}
@ -137,10 +139,10 @@ void FurnaceGUI::renderFMPreviewOPM(const DivInstrumentFM& params, int pos) {
// render
for (int i=0; i<FM_PREVIEW_SIZE; i++) {
aOut=0;
for (int j=0; j<24; j++) {
for (int j=0; j<32; j++) {
OPM_Clock((opm_t*)fmPreviewOPM,out,NULL,NULL,NULL);
}
aOut+=((opm_t*)fmPreviewOPM)->ch_out[0];
aOut+=out[0];
if (aOut<-32768) aOut=-32768;
if (aOut>32767) aOut=32767;
fmPreview[i]=aOut;