Vince Weaver ccbad61311 driven: add in dni counting
currently broken for some reason
2024-10-24 01:21:15 -04:00

22 lines
195 B
ArmAsm

;==========
; flip page
;==========
flip_page:
lda DRAW_PAGE
beq draw_page2
draw_page1:
bit PAGE2
lda #0
beq done_flip
draw_page2:
bit PAGE1
lda #$4
done_flip:
sta DRAW_PAGE
rts