1 files changed, 9 insertions, 10 deletions
diff --git a/src/main.c b/src/main.c
index 02e61d0..de3ae0d 100644
--- a/src/main.c
+++ b/src/main.c
@@ -5,17 +5,20 @@
 
 #include <stdio.h>
 
-//#define ROM "../roms/chip8-test-suite/5-quirks.ch8"
-//#define ROM "../roms/chip8-test-suite/8-scrolling.ch8"
-#define ROM "../roms/games/pong_1player.ch8"
-//#define ROM "../roms/ibm.ch8"
-
 int main(int argc, char *argv[])
 {
+  // Parse argument
+  if(argc != 2){
+    printf("Usage: %s [rom]\n",argv[0]);
+    return 1;
+  } else if(!FileExists(argv[1])){
+    printf("ROM not found: %s\n",argv[1]);
+    return 1;
+  }
 
   // Initialize
   MemInit();
-  MemLoadROM(ROM);
+  MemLoadROM(argv[1]);
   ScreenInit(1000,500);
   VCPUInit();
   SpeakerInit();
@@ -24,12 +27,8 @@ int main(int argc, char *argv[])
   SetTargetFPS(VCPU_FREQ*100);
 
   // Emulator main loop
-  int i=0;
   while (!WindowShouldClose()){
     VCPUTick();
-    if(i%600 == 0)
-      printf("tick\n");
-    i++;
   }
 
   // Finish