A83: scroll text

To: "assembly digest" <assembly-83-digest@lists.ticalc.org>
Subject: A83: scroll text
From: "Chris Hiszpanski" <mecad@scv.net>
Date: Mon, 13 Jul 1998 20:48:08 -0700
Delivered-To: assembly-83-outgoing@towerguard.unix.edu.sollentuna.se
Reply-To: assembly-83@lists.ticalc.org


I tried this routine I partialy made but all I get is a blank screen. No
text appears. What am I doing wrong?

  ld a,96

DELAY:
  halt
  djnz DELAY  
 
DISP:
  ld hl,53
  ld (penrow),hl
  ld (pencol),a
  ld hl,ONIT
  call _vputs
  dec a
  cp 0
  jr z,FIN
  ld b,70
  jr DELAY 

ONIT:
 .db "**Under Development**",0

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