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Avoid paying for an OPLL if not connected.

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This commit is contained in:
Thomas Harte 2023-05-13 22:16:42 -04:00
parent 4989701de9
commit e1d671daf7
1 changed files with 54 additions and 28 deletions
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82
Machines/MSX/MSX.cpp
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@ -130,6 +130,47 @@ class AYPortHandler: public GI::AY38910::PortHandler {
};
};
template <bool has_opll> struct Speaker;
template <> struct Speaker<false> {
Speaker() :
ay(GI::AY38910::Personality::AY38910, audio_queue),
audio_toggle(audio_queue),
scc(audio_queue),
mixer(ay, audio_toggle, scc),
speaker(mixer) {}
Concurrency::AsyncTaskQueue<false> audio_queue;
GI::AY38910::AY38910<false> ay;
Audio::Toggle audio_toggle;
Konami::SCC scc;
using CompundSource = Outputs::Speaker::CompoundSource<GI::AY38910::AY38910<false>, Audio::Toggle, Konami::SCC>;
CompundSource mixer;
Outputs::Speaker::PullLowpass<CompundSource> speaker;
};
template <> struct Speaker<true> {
Speaker() :
opll(audio_queue, 1),
ay(GI::AY38910::Personality::AY38910, audio_queue),
audio_toggle(audio_queue),
scc(audio_queue),
mixer(ay, audio_toggle, scc, opll),
speaker(mixer) {}
Concurrency::AsyncTaskQueue<false> audio_queue;
Yamaha::OPL::OPLL opll;
GI::AY38910::AY38910<false> ay;
Audio::Toggle audio_toggle;
Konami::SCC scc;
using CompundSource = Outputs::Speaker::CompoundSource<GI::AY38910::AY38910<false>, Audio::Toggle, Konami::SCC, Yamaha::OPL::OPLL>;
CompundSource mixer;
Outputs::Speaker::PullLowpass<CompundSource> speaker;
};
using Target = Analyser::Static::MSX::Target;
template <Target::Model model, bool has_opll>
@ -155,26 +196,20 @@ class ConcreteMachine:
ConcreteMachine(const Target &target, const ROMMachine::ROMFetcher &rom_fetcher):
z80_(*this),
i8255_(i8255_port_handler_),
opll_(audio_queue_, 1),
ay_(GI::AY38910::Personality::AY38910, audio_queue_),
audio_toggle_(audio_queue_),
scc_(audio_queue_),
mixer_(ay_, audio_toggle_, scc_, opll_),
speaker_(mixer_),
tape_player_(3579545 * 2),
i8255_port_handler_(*this, audio_toggle_, tape_player_),
i8255_port_handler_(*this, speaker_.audio_toggle, tape_player_),
ay_port_handler_(tape_player_),
memory_slots_{{*this}, {*this}, {*this}, {*this}},
clock_(ClockRate) {
set_clock_rate(ClockRate);
clear_all_keys();
ay_.set_port_handler(&ay_port_handler_);
speaker_.set_input_rate(3579545.0f / 2.0f);
speaker_.ay.set_port_handler(&ay_port_handler_);
speaker_.speaker.set_input_rate(3579545.0f / 2.0f);
tape_player_.set_clocking_hint_observer(this);
// Set the AY to 50% of available volume, the toggle to 10% and leave 40% for an SCC.
mixer_.set_relative_volumes({0.5f, 0.1f, 0.4f, has_opll ? 0.5f : 0.0f});
speaker_.mixer.set_relative_volumes({0.5f, 0.1f, 0.4f, has_opll ? 0.5f : 0.0f});
// Install the proper TV standard and select an ideal BIOS name.
const std::string machine_name = "MSX";
@ -317,7 +352,7 @@ class ConcreteMachine:
}
~ConcreteMachine() {
audio_queue_.flush();
speaker_.audio_queue.flush();
}
void set_scan_target(Outputs::Display::ScanTarget *scan_target) final {
@ -337,7 +372,7 @@ class ConcreteMachine:
}
Outputs::Speaker::Speaker *get_speaker() final {
return &speaker_;
return &speaker_.speaker;
}
void run_for(const Cycles cycles) final {
@ -375,7 +410,7 @@ class ConcreteMachine:
cartridge_primary().handler = std::make_unique<Cartridge::KonamiROMSlotHandler>(static_cast<MSX::MemorySlot &>(slot));
break;
case Analyser::Static::MSX::Cartridge::KonamiWithSCC:
cartridge_primary().handler = std::make_unique<Cartridge::KonamiWithSCCROMSlotHandler>(static_cast<MSX::MemorySlot &>(slot), scc_);
cartridge_primary().handler = std::make_unique<Cartridge::KonamiWithSCCROMSlotHandler>(static_cast<MSX::MemorySlot &>(slot), speaker_.scc);
break;
case Analyser::Static::MSX::Cartridge::ASCII8kb:
cartridge_primary().handler = std::make_unique<Cartridge::ASCII8kbROMSlotHandler>(static_cast<MSX::MemorySlot &>(slot));
@ -590,7 +625,7 @@ class ConcreteMachine:
case 0xa2:
update_audio();
*cycle.value = GI::AY38910::Utility::read(ay_);
*cycle.value = GI::AY38910::Utility::read(speaker_.ay);
break;
case 0xa8: case 0xa9:
@ -634,7 +669,7 @@ class ConcreteMachine:
case 0xa0: case 0xa1:
update_audio();
GI::AY38910::Utility::write(ay_, port == 0xa1, *cycle.value);
GI::AY38910::Utility::write(speaker_.ay, port == 0xa1, *cycle.value);
break;
case 0xa8: case 0xa9:
@ -680,7 +715,7 @@ class ConcreteMachine:
case 0x7c: case 0x7d:
if constexpr (has_opll) {
opll_.write(address, *cycle.value);
speaker_.opll.write(address, *cycle.value);
break;
}
[[fallthrough]];
@ -742,7 +777,7 @@ class ConcreteMachine:
}
if(outputs & Output::Audio) {
update_audio();
audio_queue_.perform();
speaker_.audio_queue.perform();
}
}
@ -805,7 +840,7 @@ class ConcreteMachine:
private:
void update_audio() {
speaker_.run_for(audio_queue_, time_since_ay_update_.divide_cycles(Cycles(2)));
speaker_.speaker.run_for(speaker_.audio_queue, time_since_ay_update_.divide_cycles(Cycles(2)));
}
class i8255PortHandler: public Intel::i8255::PortHandler {
@ -872,16 +907,6 @@ class ConcreteMachine:
JustInTimeActor<TI::TMS::TMS9918<vdp_model()>> vdp_;
Intel::i8255::i8255<i8255PortHandler> i8255_;
Concurrency::AsyncTaskQueue<false> audio_queue_;
Yamaha::OPL::OPLL opll_;
GI::AY38910::AY38910<false> ay_;
Audio::Toggle audio_toggle_;
Konami::SCC scc_;
using CompundSource = Outputs::Speaker::CompoundSource<GI::AY38910::AY38910<false>, Audio::Toggle, Konami::SCC, Yamaha::OPL::OPLL>;
CompundSource mixer_;
Outputs::Speaker::PullLowpass<CompundSource> speaker_;
Storage::Tape::BinaryTapePlayer tape_player_;
bool tape_player_is_sleeping_ = false;
bool allow_fast_tape_ = false;
@ -896,6 +921,7 @@ class ConcreteMachine:
}
i8255PortHandler i8255_port_handler_;
Speaker<has_opll> speaker_;
AYPortHandler ay_port_handler_;
/// The current primary and secondary slot selections; the former retains whatever was written