bsnes/higan/sfc/alt/smp/timing.cpp

27 lines
621 B
C++

template<uint cycle_frequency>
auto SMP::Timer<cycle_frequency>::tick() -> void {
if(++stage1_ticks < cycle_frequency) return;
stage1_ticks = 0;
if(enable == false) return;
if(++stage2_ticks != target) return;
stage2_ticks = 0;
stage3_ticks = (stage3_ticks + 1) & 15;
}
template<uint cycle_frequency>
auto SMP::Timer<cycle_frequency>::tick(uint clocks) -> void {
stage1_ticks += clocks;
if(stage1_ticks < cycle_frequency) return;
stage1_ticks -= cycle_frequency;
if(enable == false) return;
if(++stage2_ticks != target) return;
stage2_ticks = 0;
stage3_ticks = (stage3_ticks + 1) & 15;
}