ewm/tests/apple2/echo.s

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ArmAsm
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2016-12-26 16:10:26 +00:00
.org $8000
kybd = $c000
strobe = $c010
cout = $fded
home = $fc58
start: jsr home
loop: lda kybd
cmp #$80
bcc loop
sta strobe
jsr cout
jmp loop