2009-05-12 20:05:00 +02:00

57 lines
1.5 KiB
C++
Executable File

#ifdef SNES_CPP
Scheduler scheduler;
void threadentry_cpu() { cpu.enter(); }
void threadentry_smp() { smp.enter(); }
void threadentry_ppu() { ppu.enter(); }
void threadentry_dsp() { dsp.enter(); }
void Scheduler::enter() {
switch(clock.active) {
case THREAD_CPU: co_switch(thread_cpu); break;
case THREAD_SMP: co_switch(thread_smp); break;
case THREAD_PPU: co_switch(thread_ppu); break;
case THREAD_DSP: co_switch(thread_dsp); break;
}
}
void Scheduler::exit() {
co_switch(thread_snes);
}
void Scheduler::init() {
clock.cpu_freq = snes.region() == SNES::NTSC
? snes.config.cpu.ntsc_clock_rate
: snes.config.cpu.pal_clock_rate;
clock.smp_freq = snes.region() == SNES::NTSC
? snes.config.smp.ntsc_clock_rate
: snes.config.smp.pal_clock_rate;
clock.active = THREAD_CPU;
clock.cpuppu = 0;
clock.cpusmp = 0;
clock.smpdsp = 0;
if(thread_cpu) co_delete(thread_cpu);
if(thread_smp) co_delete(thread_smp);
if(thread_ppu) co_delete(thread_ppu);
if(thread_dsp) co_delete(thread_dsp);
thread_snes = co_active();
thread_cpu = co_create(65536 * sizeof(void*), threadentry_cpu);
thread_smp = co_create(65536 * sizeof(void*), threadentry_smp);
thread_ppu = co_create(65536 * sizeof(void*), threadentry_ppu);
thread_dsp = co_create(65536 * sizeof(void*), threadentry_dsp);
}
Scheduler::Scheduler() {
thread_snes = 0;
thread_cpu = 0;
thread_smp = 0;
thread_ppu = 0;
thread_dsp = 0;
}
#endif //ifdef SNES_CPP