diff --git a/my_custom.asm b/my_custom.asm
index 2ee9b3f..d4dacd6 100644
--- a/my_custom.asm
+++ b/my_custom.asm
@@ -43,6 +43,11 @@ sta $2122
 .MACRO Set_Screen_Brightness
 lda #\1
 sta $2100 ; $2100 is the screen brightness register
+.ENDM
+
+.MACRO Enable_NMI_And_Joypad
+    lda #%10000001
+    sta $4200
 
 .ENDM
 
diff --git a/test_gfx.asm b/test_gfx.asm
index 89a721f..415f2e3 100644
--- a/test_gfx.asm
+++ b/test_gfx.asm
@@ -81,8 +81,7 @@ Start:
 
     Load_Block_to_VRAM TileMap, $0400, 32
 
-lda #%10000001  ; enable NMI and joypads
-sta $4200
+    Enable_NMI_And_Joypad
 
 mainloop:
     Spin_Loop $02