!frame_counter = $13
!sprite_id_table = $9e
	lda !frame_counter
	and #$0f
	cmp #$0c
	bpl done
	tax
	lda !sprite_id_table,X
	bmi done
	cmp #$4
	bpl done
	clc
	adc #$92
	sta !sprite_id_table,X
done:
	rtl

back to listings