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SPC700 to get notified when ports are written

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scawful
2023-08-26 02:33:19 -04:00
parent 2b8d41c6ca
commit a2de3c2ffe
8 changed files with 76 additions and 36 deletions
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22
src/app/emu/audio/dsp.cc
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@@ -6,9 +6,9 @@ namespace yaze {
namespace app {
namespace emu {
void Dsp::Reset() {}
void DigitalSignalProcessor::Reset() {}
uint8_t Dsp::ReadVoiceReg(uint8_t voice, uint8_t reg) const {
uint8_t DigitalSignalProcessor::ReadVoiceReg(uint8_t voice, uint8_t reg) const {
voice %= kNumVoices;
switch (reg % kNumVoiceRegs) {
case 0:
@@ -37,7 +37,7 @@ uint8_t Dsp::ReadVoiceReg(uint8_t voice, uint8_t reg) const {
}
}
void Dsp::WriteVoiceReg(uint8_t voice, uint8_t reg, uint8_t value) {
void DigitalSignalProcessor::WriteVoiceReg(uint8_t voice, uint8_t reg, uint8_t value) {
voice %= kNumVoices;
switch (reg % kNumVoiceRegs) {
case 0:
@@ -69,11 +69,11 @@ void Dsp::WriteVoiceReg(uint8_t voice, uint8_t reg, uint8_t value) {
}
// Set the callbacks
void Dsp::SetSampleFetcher(SampleFetcher fetcher) { sample_fetcher_ = fetcher; }
void DigitalSignalProcessor::SetSampleFetcher(SampleFetcher fetcher) { sample_fetcher_ = fetcher; }
void Dsp::SetSamplePusher(SamplePusher pusher) { sample_pusher_ = pusher; }
void DigitalSignalProcessor::SetSamplePusher(SamplePusher pusher) { sample_pusher_ = pusher; }
int16_t Dsp::DecodeSample(uint8_t voice_num) {
int16_t DigitalSignalProcessor::DecodeSample(uint8_t voice_num) {
Voice const& voice = voices_[voice_num];
uint16_t sample_address = voice.source_number;
@@ -82,7 +82,7 @@ int16_t Dsp::DecodeSample(uint8_t voice_num) {
return sample;
}
int16_t Dsp::ProcessSample(uint8_t voice_num, int16_t sample) {
int16_t DigitalSignalProcessor::ProcessSample(uint8_t voice_num, int16_t sample) {
Voice const& voice = voices_[voice_num];
// Adjust the pitch (for simplicity, we're just adjusting the sample value)
@@ -96,7 +96,7 @@ int16_t Dsp::ProcessSample(uint8_t voice_num, int16_t sample) {
return (left_sample + right_sample) / 2;
}
void Dsp::MixSamples() {
void DigitalSignalProcessor::MixSamples() {
int16_t mixed_sample = 0;
for (uint8_t i = 0; i < kNumVoices; i++) {
@@ -116,7 +116,7 @@ void Dsp::MixSamples() {
sample_pusher_(mixed_sample);
}
void Dsp::UpdateEnvelope(uint8_t voice) {
void DigitalSignalProcessor::UpdateEnvelope(uint8_t voice) {
uint8_t adsr1 = ReadVoiceReg(voice, 0x05);
uint8_t adsr2 = ReadVoiceReg(voice, 0x06);
uint8_t gain = ReadVoiceReg(voice, 0x07);
@@ -216,7 +216,7 @@ void Dsp::UpdateEnvelope(uint8_t voice) {
}
}
void Dsp::update_voice_state(uint8_t voice_num) {
void DigitalSignalProcessor::update_voice_state(uint8_t voice_num) {
if (voice_num >= kNumVoices) return;
Voice& voice = voices_[voice_num];
@@ -261,7 +261,7 @@ void Dsp::update_voice_state(uint8_t voice_num) {
}
}
void Dsp::process_envelope(uint8_t voice_num) {
void DigitalSignalProcessor::process_envelope(uint8_t voice_num) {
if (voice_num >= kNumVoices) return;
Voice& voice = voices_[voice_num];