From 0e363477b714fdbadf0cd3eebf6e562258fae9b3 Mon Sep 17 00:00:00 2001
From: Lokathor <zefria@gmail.com>
Date: Sat, 12 Jan 2019 13:34:43 -0700
Subject: [PATCH] mGBA output wasn't resetting its length used

---
 src/mgba.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/mgba.rs b/src/mgba.rs
index 24e6648..46e0063 100644
--- a/src/mgba.rs
+++ b/src/mgba.rs
@@ -6,6 +6,7 @@ use super::*;
 #[repr(u16)]
 #[allow(missing_docs)]
 pub enum MGBADebugLevel {
+  /// Warning! This causes the emulator to halt emulation!
   Fatal = 0,
   Error = 1,
   Warning = 2,
@@ -51,9 +52,12 @@ impl MGBADebug {
   pub fn send(&mut self, level: MGBADebugLevel) {
     if level == MGBADebugLevel::Fatal {
       Self::SEND_ADDRESS.write(Self::SEND_FLAG | MGBADebugLevel::Error as u16);
+
+      // Note(Lokathor): A Fatal send causes the emulator to halt!
       Self::SEND_ADDRESS.write(Self::SEND_FLAG | MGBADebugLevel::Fatal as u16);
     } else {
       Self::SEND_ADDRESS.write(Self::SEND_FLAG | level as u16);
+      self.bytes_written = 0;
     }
   }
 }