; ; Christian Groessler, 02-Apr-2019 ; .export _bgcolor .include "atari.inc" _bgcolor: ldx COLOR2 ; get old value sta COLOR2 ; set new value and #$0e cmp #8 bcs bright lda #$0e .byte $2c ; bit opcode, eats the next 2 bytes bright: lda #0 sta COLOR1 txa ldx #0 ; fix X rts