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GUI: OPLL preview

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This commit is contained in:
tildearrow 2023-08-21 19:56:22 -05:00
parent e1140c5015
commit 70f774312b
3 changed files with 67 additions and 4 deletions
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58
src/gui/fmPreview.cpp
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@ -22,7 +22,9 @@
#include "../../extern/opn/ym3438.h"
#include "../../extern/opm/opm.h"
#include "../../extern/opl/opl3.h"
extern "C" {
#include "../../extern/Nuked-OPLL/opll.h"
}
#include "../engine/platform/sound/ymfm/ymfm_opz.h"
#define OPN_WRITE(addr,val) \
@ -151,7 +153,63 @@ void FurnaceGUI::renderFMPreviewOPM(const DivInstrumentFM& params, int pos) {
}
}
#define OPLL_WRITE(addr,val) \
OPLL_Write((opll_t*)fmPreviewOPLL,0,(addr)); \
for (int _i=0; _i<3; _i++) { \
OPLL_Clock((opll_t*)fmPreviewOPLL,out); \
} \
OPLL_Write((opll_t*)fmPreviewOPLL,1,(val)); \
for (int _i=0; _i<21; _i++) { \
OPLL_Clock((opll_t*)fmPreviewOPLL,out); \
}
void FurnaceGUI::renderFMPreviewOPLL(const DivInstrumentFM& params, int pos) {
if (fmPreviewOPLL==NULL) {
fmPreviewOPLL=new opm_t;
pos=0;
}
int out[2];
int aOut=0;
bool mult0=false;
if (pos==0) {
OPLL_Reset((opll_t*)fmPreviewOPLL,opll_type_ym2413);
// set params
const DivInstrumentFM::Operator& mod=params.op[0];
const DivInstrumentFM::Operator& car=params.op[1];
if (params.opllPreset==0) {
for (int i=0; i<2; i++) {
if ((params.op[i].mult&15)==0) {
mult0=true;
break;
}
}
OPLL_WRITE(0x00,(mod.am<<7)|(mod.vib<<6)|((mod.ssgEnv&8)<<2)|(mod.ksr<<4)|(mod.mult));
OPLL_WRITE(0x01,(car.am<<7)|(car.vib<<6)|((car.ssgEnv&8)<<2)|(car.ksr<<4)|(car.mult));
OPLL_WRITE(0x02,(mod.ksl<<6)|(mod.tl&63));
OPLL_WRITE(0x03,(car.ksl<<6)|((params.fms&1)<<4)|((params.ams&1)<<3)|(params.fb&7));
OPLL_WRITE(0x04,(mod.ar<<4)|(mod.dr));
OPLL_WRITE(0x05,(car.ar<<4)|(car.dr));
OPLL_WRITE(0x06,(mod.sl<<4)|(mod.rr));
OPLL_WRITE(0x07,(car.sl<<4)|(car.rr));
}
OPLL_WRITE(0x10,0);
OPLL_WRITE(0x30,(params.opllPreset<<4)|(car.tl&15));
OPLL_WRITE(0x20,(params.alg?0x20:0)|(mult0?0x15:0x13));
}
// render
for (int i=0; i<FM_PREVIEW_SIZE; i++) {
aOut=0;
for (int j=0; j<36; j++) {
OPLL_Clock((opll_t*)fmPreviewOPLL,out);
aOut+=out[0]<<4;
}
if (aOut<-32768) aOut=-32768;
if (aOut>32767) aOut=32767;
fmPreview[i]=aOut;
}
}
void FurnaceGUI::renderFMPreviewOPL(const DivInstrumentFM& params, int pos) {