commit 10de0f5

idiomatic error when loading rom

 1@@ -450,13 +450,13 @@ static void load_rom(void) {
 2   FILE*fp=fopen(rom_name,"r");
 3   if(!fp){
 4     show_msgbox("Error", "Cannot load program file");
 5-    return 1;
 6+    exit(1);
 7   }
 8   memset(mem,0,MEMSIZE);
 9   fread(mem+0x0100,1,MEMSIZE-0x0100,fp);
10   if(ferror(fp)){
11-        show_msgbox("Error", "Cannot load program file");
12-	    return 1;
13+    show_msgbox("Error", "Cannot load program file");
14+    exit(1);
15   };
16   fclose(fp);
17 }