mirror of
https://github.com/st3fan/ewm.git
synced 2024-11-19 19:34:11 +00:00
36 lines
431 B
ArmAsm
36 lines
431 B
ArmAsm
|
|
.org $8000
|
|
|
|
cout = $fded
|
|
home = $fc58
|
|
|
|
pb0 = $c061
|
|
pb1 = $c062
|
|
pb2 = $c063
|
|
pb3 = $c060
|
|
|
|
jsr home
|
|
|
|
check0: lda pb0
|
|
beq check1
|
|
lda #'0'
|
|
jsr cout
|
|
|
|
check1: lda pb1
|
|
beq check2
|
|
lda #'1'
|
|
jsr cout
|
|
|
|
check2: lda pb2
|
|
beq check3
|
|
lda #'2'
|
|
jsr cout
|
|
|
|
check3: lda pb3
|
|
beq check0
|
|
lda #'3'
|
|
jsr cout
|
|
|
|
jmp check0
|
|
|