From 37c9e69b3e29278d722fcb92107048a6d957f515 Mon Sep 17 00:00:00 2001
From: Connor McLaughlin <stenzek@gmail.com>
Date: Tue, 1 Dec 2020 01:16:47 +1000
Subject: [PATCH] System: Zero downcount at end of frame

Prevents code running after vblank starts, and fixes events getting
delayed in interpreter mode.
---
 src/core/system.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/core/system.cpp b/src/core/system.cpp
index e5ad71b84..f5ea83eeb 100644
--- a/src/core/system.cpp
+++ b/src/core/system.cpp
@@ -176,6 +176,7 @@ void FrameDone()
 {
   s_frame_number++;
   CPU::g_state.frame_done = true;
+  CPU::g_state.downcount = 0;
 }
 
 void IncrementInternalFrameNumber()