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improve fps emulation

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This commit is contained in:
Denis-Cosmin Nutiu 2024-12-08 23:44:04 +02:00
parent 717a5a85c6
commit 76e16d6a71
1 changed files with 3 additions and 3 deletions
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6
src/emulator.rs
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@ -114,15 +114,15 @@ where
fn emulation_loop<T>(&mut self) -> Result<(), anyhow::Error> { fn emulation_loop<T>(&mut self) -> Result<(), anyhow::Error> {
let mut timers_timer = Instant::now(); let mut timers_timer = Instant::now();
let mut tick_timer = Instant::now(); let mut tick_timer = Instant::now();
let target_fps: f32 = 60.0; let target_fps: u128 = 60;
loop { loop {
// Handle sound and delay timer. // Handle sound and delay timer.
self.handle_timers(&mut timers_timer); self.handle_timers(&mut timers_timer);
let now = Instant::now(); let now = Instant::now();
let elapsed_time = now.duration_since(tick_timer); let elapsed_time = now.duration_since(tick_timer);
let elapsed_seconds = elapsed_time.as_secs_f32(); let elapsed_ms = elapsed_time.as_millis();
if elapsed_seconds >= (1.0 / target_fps) { if elapsed_ms >= (1000 / target_fps) {
for _ in 0..=7 { for _ in 0..=7 {
// fetch instruction & decode it // fetch instruction & decode it
let instruction = self.fetch_instruction()?; let instruction = self.fetch_instruction()?;