6502/CLK
1
0
Fork 0
mirror of https://github.com/TomHarte/CLK.git synced 2025-12-20 06:16:41 +00:00
Code Issues Projects Releases Wiki Activity

Block and synchronise threads for voice 3 readback.

Browse Source
This commit is contained in:
Thomas Harte
2025-11-13 17:34:57 -05:00
parent fd32e63459
commit d01e1f3bb1
2 changed files with 19 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
Components/SID/SID.hpp
View File

@@ -17,6 +17,8 @@
namespace MOS::SID {
struct Voice {
static constexpr uint16_t MaxWaveformValue = (1 << 12) - 1;
struct Oscillator {
// Programmer inputs.
uint32_t pitch = 0;
@@ -84,8 +86,6 @@ private:
bool sync() const;
bool gate() const;
static constexpr uint16_t MaxWaveformValue = (1 << 12) - 1;
uint16_t pulse_output() const;
uint16_t triangle_output(const Voice &prior) const;
};
@@ -99,17 +99,12 @@ public:
// Outputs::Speaker::BufferSource.
template <Outputs::Speaker::Action action>
void apply_samples(std::size_t number_of_samples, Outputs::Speaker::MonoSample *target);
void apply_samples(std::size_t, Outputs::Speaker::MonoSample *);
bool is_zero_level() const;
void set_sample_volume_range(std::int16_t);
private:
Concurrency::AsyncTaskQueue<false> &audio_queue_;
// TODO: an emulator thread copy of voices needs to be kept too, to do the digital stuff, as
// the current output of voice 3 can be read. Probably best if the audio thread posts its most
// recent copy atomically and the emulator thread just catches up from whatever it has? I don't
// think that spinning on voice 3 is common.
Voice voices_[3];
uint8_t last_write_;