From 8b7922b6798ef51288e5400e7a2e78ab810656d4 Mon Sep 17 00:00:00 2001
From: Lior Halphon <LIJI32@gmail.com>
Date: Sat, 15 Jun 2019 03:42:53 +0300
Subject: [PATCH] Fix #144 by ignored malformed commands with 0 length

---
 Core/sgb.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Core/sgb.c b/Core/sgb.c
index 6b1dbd0..0944985 100644
--- a/Core/sgb.c
+++ b/Core/sgb.c
@@ -98,6 +98,9 @@ static void command_ready(GB_gameboy_t *gb)
         return;
     }
     
+    /* Ignore malformed commands (0 length)*/
+    if ((gb->sgb->command[0] & 7) == 0) return;
+    
     switch (gb->sgb->command[0] >> 3) {
         case PAL01:
             pal_command(gb, 0, 1);