72 lines
1.5 KiB
C++
Executable File
72 lines
1.5 KiB
C++
Executable File
#include "../smp/smp.hpp"
|
|
#include "dsp.hpp"
|
|
|
|
namespace SuperFamicom {
|
|
|
|
void DSP::step(uint64_t clocks) {
|
|
clock += clocks;
|
|
}
|
|
|
|
void DSP::enter() {
|
|
int64_t dsp_clocks = (-clock) / (24 * 4096) + 1;
|
|
spc_dsp.run(dsp_clocks);
|
|
step(dsp_clocks * 24 * 4096);
|
|
|
|
signed count = spc_dsp.sample_count();
|
|
if(count > removed_samples) {
|
|
for(unsigned n = removed_samples; n < count; n += 2) {
|
|
if (!smp.sample(samplebuffer[n + 0], samplebuffer[n + 1])) {
|
|
removed_samples = n;
|
|
return;
|
|
}
|
|
}
|
|
spc_dsp.set_output(samplebuffer, 8192);
|
|
removed_samples = 0;
|
|
}
|
|
}
|
|
|
|
bool DSP::mute() {
|
|
return spc_dsp.mute();
|
|
}
|
|
|
|
uint8_t DSP::read(uint8_t addr) {
|
|
return spc_dsp.read(addr);
|
|
}
|
|
|
|
void DSP::write(uint8_t addr, uint8_t data) {
|
|
spc_dsp.write(addr, data);
|
|
}
|
|
|
|
void DSP::power() {
|
|
spc_dsp.init(smp.apuram);
|
|
spc_dsp.reset();
|
|
spc_dsp.set_output(samplebuffer, 8192);
|
|
removed_samples = 0;
|
|
}
|
|
|
|
void DSP::reset() {
|
|
spc_dsp.soft_reset();
|
|
spc_dsp.set_output(samplebuffer, 8192);
|
|
removed_samples = 0;
|
|
}
|
|
|
|
void DSP::channel_enable(unsigned channel, bool enable) {
|
|
channel_enabled[channel & 7] = enable;
|
|
unsigned mask = 0;
|
|
for(unsigned i = 0; i < 8; i++) {
|
|
if(channel_enabled[i] == false) mask |= 1 << i;
|
|
}
|
|
spc_dsp.mute_voices(mask);
|
|
}
|
|
|
|
void DSP::disable_surround(bool disable) {
|
|
spc_dsp.disable_surround(disable);
|
|
}
|
|
|
|
DSP::DSP(struct SMP & p_smp)
|
|
: smp( p_smp ), clock( 0 ), removed_samples( 0 ) {
|
|
for(unsigned i = 0; i < 8; i++) channel_enabled[i] = true;
|
|
}
|
|
|
|
}
|