diff options
Diffstat (limited to 'thing.s')
-rw-r--r-- | thing.s | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/thing.s b/thing.s index d492a15..e5df832 100644 --- a/thing.s +++ b/thing.s @@ -1,8 +1,18 @@ +ACIA_DATA = $5000 +ACIA_STATUS = $5001 +ACIA_CMD = $5002 +ACIA_CTRL = $5003 + _start: - lda #$78 - jsr goog - cmp #$78 - brk -goog: - lda #$50 - rts \ No newline at end of file + lda #$64 + jsr CHROUT + BRK + +CHROUT: + pha + sta ACIA_DATA + lda #$FF +.txdelay: dec + bne .txdelay + pla + rts \ No newline at end of file |