dos33fsprogs/demos/l/tinygr_8/tiny_gr.s

22 lines
415 B
ArmAsm

; Tiny Gr
; by Vince `deater` Weaver, vince@deater.net --- d e s i r e ---
; trying to make small graphics in 8 bytes for Apple II
; zero page locations
; ROM calls
SETGR = $FB40 ; set lo-res graphics code, clear screen
PRHEX = $FDE3 ; print hex digit
COUT = $FDED ; output A to screen
COUT1 = $FDF0 ; output A to screen
tiny_gr:
tiny_loop:
lda #$20
bit $C050
jsr COUT