diff --git a/src/machine/display.odin b/src/machine/display.odin
index 9c384ef..d4e4666 100644
--- a/src/machine/display.odin
+++ b/src/machine/display.odin
@@ -12,38 +12,37 @@ CYCLES_PER_FRAME :: 12
 
 // Display will handle all the screen drawing with raylib etc
 run_system :: proc(s: ^System) {
-    rl.InitWindow(SCREEN_WITDH, SCREEN_HEIGHT, "chip8")
+	rl.InitWindow(SCREEN_WITDH, SCREEN_HEIGHT, "chip8")
 
-    // Cap at 60hz/60fps
-    rl.SetTargetFPS(60)
+	rl.SetTargetFPS(60)
 
-    for !rl.WindowShouldClose() {
-        rl.BeginDrawing()
+	for !rl.WindowShouldClose() {
+		rl.BeginDrawing()
+		rl.ClearBackground(rl.BLACK)
 
-        rl.ClearBackground(rl.BLACK)
+		// Do a cpu cycle
+		// Cap at 60hz/60fps
+		for _ in 0..<CYCLES_PER_FRAME {
+			cycle(s)
+		}
 
-        // Do a cpu cycle
-        for _ in 0..<CYCLES_PER_FRAME {
-            cycle(s)
-        }
+		render_display_buffer(&s.display)
 
-        render_display_buffer(&s.display)
+		rl.EndDrawing()
+	}
 
-        rl.EndDrawing()
-    }
-
-    rl.CloseWindow()
+	rl.CloseWindow()
 }
 
 // update display with display buffer bits
 render_display_buffer :: proc(display_buffer: ^[32][64]u8) {
-    // get row
-    for y in 0..<len(display_buffer) {
-        // get cols
-        for x in 0..<len(display_buffer[0]) {
-            if display_buffer[y][x] == 0x01 {
-                rl.DrawRectangle(i32(x * SCALE), i32(y * SCALE), SCALE, SCALE, rl.WHITE)
-            }
-        }
-    }
+	// get row
+	for y in 0..<len(display_buffer) {
+		// get cols
+		for x in 0..<len(display_buffer[0]) {
+			if display_buffer[y][x] == 0x01 {
+				rl.DrawRectangle(i32(x * SCALE), i32(y * SCALE), SCALE, SCALE, rl.WHITE)
+			}
+		}
+	}
 }
diff --git a/src/main.odin b/src/main.odin
index 5e0415f..16f156e 100644
--- a/src/main.odin
+++ b/src/main.odin
@@ -23,8 +23,9 @@ main :: proc() {
 	system := chip.init()
 
 	// load rom, hardcoded for now, will eventually be cli or gui
-	// err := chip.load_rom(&system, "./2-ibm-logo.ch8")
-	err := chip.load_rom(&system, "./1-chip8-logo.ch8")
+	// err := chip.load_rom(&system, "./test_roms/2-ibm-logo.ch8")
+	// err := chip.load_rom(&system, "./test_roms/1-chip8-logo.ch8")
+	err := chip.load_rom(&system, "./test_roms/4-flags.ch8")
 	if err != nil {
 		panic("failed to load rom!")
 	}