; Screen(0) = White
  lda #$01 ; a = White
  sta $200 ; Screen(0) = a

  ; Screen(1) = Green
  lda #$05 ; a = Green
  sta $201 ; Screen(1) = a

  ; Screen(2) = Orange
  lda #$08 ; a = Orange
  sta $202 ; Screen(2) = a