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OPN: per-channel oscilloscope

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tildearrow 2022-05-14 01:12:23 -05:00
parent 6288b485fc
commit 297ab01d4c
2 changed files with 10 additions and 23 deletions
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2
src/engine/platform/sound/ymfm/ymfm_opn.h
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@ -465,6 +465,8 @@ public:
// generate one sample of sound // generate one sample of sound
void generate(output_data *output, uint32_t numsamples = 1); void generate(output_data *output, uint32_t numsamples = 1);
fm_engine* debug_fm_engine() { return &m_fm; }
protected: protected:
// internal helpers // internal helpers
void update_prescale(uint8_t prescale); void update_prescale(uint8_t prescale);

31
src/engine/platform/ym2203.cpp
View file

@ -284,19 +284,12 @@ const char* DivPlatformYM2203::getEffectName(unsigned char effect) {
void DivPlatformYM2203::acquire(short* bufL, short* bufR, size_t start, size_t len) { void DivPlatformYM2203::acquire(short* bufL, short* bufR, size_t start, size_t len) {
static int os; static int os;
/*ymfm::ym2612::fm_engine* fme=fm->debug_fm_engine(); ymfm::ym2203::fm_engine* fme=fm->debug_fm_engine();
ymfm::ssg_engine* ssge=fm->debug_ssg_engine();
ymfm::adpcm_a_engine* aae=fm->debug_adpcm_a_engine();
ymfm::adpcm_b_engine* abe=fm->debug_adpcm_b_engine();
ymfm::ssg_engine::output_data ssgOut; ymfm::fm_channel<ymfm::opn_registers_base<false>>* fmChan[3];
for (int i=0; i<3; i++) {
ymfm::fm_channel<ymfm::opn_registers_base<true>>* fmChan[6];
ymfm::adpcm_a_channel* adpcmAChan[6];
for (int i=0; i<6; i++) {
fmChan[i]=fme->debug_channel(i); fmChan[i]=fme->debug_channel(i);
adpcmAChan[i]=aae->debug_channel(i); }
}*/
for (size_t h=start; h<start+len; h++) { for (size_t h=start; h<start+len; h++) {
os=0; os=0;
@ -319,22 +312,14 @@ void DivPlatformYM2203::acquire(short* bufL, short* bufR, size_t start, size_t l
bufL[h]=os; bufL[h]=os;
/*
for (int i=0; i<6; i++) { for (int i=0; i<3; i++) {
oscBuf[i]->data[oscBuf[i]->needle++]=(fmChan[i]->debug_output(0)+fmChan[i]->debug_output(1)); oscBuf[i]->data[oscBuf[i]->needle++]=(fmChan[i]->debug_output(0)+fmChan[i]->debug_output(1));
} }
ssge->get_last_out(ssgOut); for (int i=3; i<6; i++) {
for (int i=6; i<9; i++) { oscBuf[i]->data[oscBuf[i]->needle++]=fmout.data[i-2];
oscBuf[i]->data[oscBuf[i]->needle++]=ssgOut.data[i-6];
} }
for (int i=9; i<15; i++) {
oscBuf[i]->data[oscBuf[i]->needle++]=adpcmAChan[i-9]->get_last_out(0)+adpcmAChan[i-9]->get_last_out(1);
}
oscBuf[15]->data[oscBuf[15]->needle++]=abe->get_last_out(0)+abe->get_last_out(1);
*/
} }
} }