Files
InputTest_MiSTer/verilator/sim/sim_clock.cpp
2022-02-06 20:01:02 +00:00

40 lines
458 B
C++

#include "sim_clock.h"
#include <string>
SimClock::SimClock() {
ratio = 1;
count = 0;
clk = false;
old = false;
}
SimClock::SimClock(int r) {
ratio = r;
count = 0;
clk = false;
old = false;
}
SimClock::~SimClock() {
}
void SimClock::Tick() {
old = clk;
count++;
if (count > ratio) {
count = 0;
}
clk = (count == 0);
}
void SimClock::Reset() {
count = 0;
clk = false;
old = false;
}
bool SimClock::IsRising() {
return clk && !old;
}