chore: improve APU accuracy + scheduler refactoring

2022-05-20 16:01:12 -03:00
parent e7777737b3
commit af2ad6c924
5 changed files with 39 additions and 43 deletions
--- a/src/bus/timer.zig
+++ b/src/bus/timer.zig
@@ -126,7 +126,7 @@ fn Timer(comptime id: u2) type {
            const when = (@as(u64, 0x10000) - self._counter) * self.frequency();

            self._start_timestamp = self.sched.now();
-            self.sched.push(.{ .TimerOverflow = id }, self.sched.now() + when - late);
+            self.sched.push(.{ .TimerOverflow = id }, when -| late);
        }

        fn frequency(self: *const Self) u16 {