From 3046e6243a050a6080b23cba537fd9f34c41c2bd Mon Sep 17 00:00:00 2001
From: Rekai Musuka <rekai@musuka.dev>
Date: Tue, 29 Mar 2022 09:06:26 -0300
Subject: [PATCH] chore: don't assume 1cpi when stepping by a frame

---
 src/emu.zig | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/emu.zig b/src/emu.zig
index 2ff3990..74db05d 100644
--- a/src/emu.zig
+++ b/src/emu.zig
@@ -43,8 +43,9 @@ pub fn run(kind: RunKind, quit: *Atomic(bool), fps: *FpsAverage, sched: *Schedul
 }
 
 pub fn runFrame(sched: *Scheduler, cpu: *Arm7tdmi, bus: *Bus) void {
-    var cycles: u64 = 0;
-    while (cycles < cycles_per_frame) : (cycles += 1) {
+    const frame_end = sched.tick + cycles_per_frame;
+
+    while (sched.tick < frame_end) {
         sched.tick += 1;
         _ = cpu.step();