From 718561744c87df0866b34bcf64b216d507bd4471 Mon Sep 17 00:00:00 2001
From: Stefan Arentz <stefan@arentz.ca>
Date: Mon, 26 Dec 2016 21:59:46 -0500
Subject: [PATCH] Quick fix for cpu tests to correctly recognize errors

---
 src/cpu_test.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/cpu_test.c b/src/cpu_test.c
index 407d7eb..640fe4c 100644
--- a/src/cpu_test.c
+++ b/src/cpu_test.c
@@ -38,7 +38,7 @@ int test(int model, uint16_t start_addr, uint16_t success_addr, char *rom_path)
 
    while (true) {
       int ret = cpu_step(&cpu);
-      if (ret != 0) {
+      if (ret < 0) {
          switch (ret) {
             case EWM_CPU_ERR_UNIMPLEMENTED_INSTRUCTION:
                fprintf(stderr, "TEST   Unimplemented instruction 0x%.2x at 0x%.4x\n",