mirror of https://github.com/bsnes-emu/bsnes.git
45 lines
1000 B
C++
45 lines
1000 B
C++
#include <fc/fc.hpp>
|
|
|
|
namespace Famicom {
|
|
|
|
Scheduler scheduler;
|
|
|
|
auto Scheduler::reset() -> void {
|
|
host = co_active();
|
|
resume = cpu.thread;
|
|
}
|
|
|
|
auto Scheduler::enter(Mode mode_) -> Event {
|
|
mode = mode_;
|
|
host = co_active();
|
|
co_switch(resume);
|
|
if(event == Event::Frame) ppu.refresh();
|
|
return event;
|
|
}
|
|
|
|
auto Scheduler::exit(Event event_) -> void {
|
|
event = event_;
|
|
resume = co_active();
|
|
co_switch(host);
|
|
}
|
|
|
|
auto Scheduler::synchronize(cothread_t thread) -> void {
|
|
if(thread == ppu.thread) {
|
|
while(enter(Mode::SynchronizePPU) != Event::Synchronize);
|
|
} else {
|
|
resume = thread;
|
|
while(enter(Mode::SynchronizeAll) != Event::Synchronize);
|
|
}
|
|
}
|
|
|
|
auto Scheduler::synchronize() -> void {
|
|
if(co_active() == ppu.thread && mode == Mode::SynchronizePPU) return exit(Event::Synchronize);
|
|
if(co_active() != ppu.thread && mode == Mode::SynchronizeAll) return exit(Event::Synchronize);
|
|
}
|
|
|
|
auto Scheduler::synchronizing() const -> bool {
|
|
return mode == Mode::SynchronizeAll;
|
|
}
|
|
|
|
}
|