From 49706842af25080756e308f25496e3848f89727b Mon Sep 17 00:00:00 2001
From: Rekai Musuka <rekai@musuka.dev>
Date: Mon, 13 Feb 2023 17:15:39 -0600
Subject: [PATCH] fix: run more than just the CPU when stepping via gdb

---
 src/core/emu.zig | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/core/emu.zig b/src/core/emu.zig
index 1dc1d1e..1a84c11 100644
--- a/src/core/emu.zig
+++ b/src/core/emu.zig
@@ -199,15 +199,18 @@ pub const EmuThing = struct {
         const cpu = self.cpu;
         const sched = self.scheduler;
 
+        // Is true when we have executed one (1) instruction
+        var did_step: bool = false;
+
         // TODO: How can I make it easier to keep this in lock-step with runFrame?
-        while (true) {
+        while (!did_step) {
             if (!cpu.stepDmaTransfer()) {
                 if (cpu.isHalted()) {
                     // Fast-forward to next Event
                     sched.tick = sched.queue.peek().?.tick;
                 } else {
                     cpu.step();
-                    break; // this function won't return until we've actually stepped once
+                    did_step = true;
                 }
             }