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Eliminates tape player call when tape is not playing.

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This commit is contained in:
Thomas Harte 2018-02-19 18:36:31 -05:00
parent 832ac173ae
commit fc81bfa59b
1 changed files with 11 additions and 3 deletions
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14
Machines/MSX/MSX.cpp
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@ -116,7 +116,8 @@ class ConcreteMachine:
public ConfigurationTarget::Machine,
public KeyboardMachine::Machine,
public Configurable::Device,
public MemoryMap {
public MemoryMap,
public Sleeper::SleepObserver {
public:
ConcreteMachine():
z80_(*this),
@ -135,6 +136,7 @@ class ConcreteMachine:
ay_.set_port_handler(&ay_port_handler_);
speaker_.set_input_rate(3579545.0f / 2.0f);
tape_player_.set_sleep_observer(this);
}
void setup_output(float aspect_ratio) override {
@ -460,8 +462,8 @@ class ConcreteMachine:
default: break;
}
// Update the tape. (TODO: allow for sleeping)
tape_player_.run_for(cycle.length.as_int());
if(!tape_player_is_sleeping_)
tape_player_.run_for(cycle.length.as_int());
// Per the best information I currently have, the MSX inserts an extra cycle into each opcode read,
// but otherwise runs without pause.
@ -568,6 +570,11 @@ class ConcreteMachine:
return selection_set;
}
// MARK: - Sleeper
void set_component_is_sleeping(void *component, bool is_sleeping) override {
tape_player_is_sleeping_ = tape_player_.is_sleeping();
}
private:
void update_audio() {
speaker_.run_for(audio_queue_, time_since_ay_update_.divide_cycles(Cycles(2)));
@ -628,6 +635,7 @@ class ConcreteMachine:
Outputs::Speaker::LowpassSpeaker<Outputs::Speaker::CompoundSource<GI::AY38910::AY38910, AudioToggle, Konami::SCC>> speaker_;
Storage::Tape::BinaryTapePlayer tape_player_;
bool tape_player_is_sleeping_ = false;
bool allow_fast_tape_ = false;
bool use_fast_tape_ = false;
void set_use_fast_tape() {