A83: Scrolling background...

To: "Assembly 83 List" <assembly-83@lists.ticalc.org>
Subject: A83: Scrolling background...
From: "James Matthews" <matthews@tkb.att.ne.jp>
Date: Wed, 29 Jul 1998 22:54:17 +0900
Delivered-To: assembly-83-outgoing@towerguard.unix.edu.sollentuna.se
Reply-To: assembly-83@lists.ticalc.org


What's wrong with this code?  Thanks...

---<START USELESS CODE>---

.NOLIST
#define equ .equ
#define EQU .equ
#define end .end
#include "ti83asm.inc"
#include "tokens.inc"
.LIST

.org 9327h

  ld    hl,picture
  ld 	de,PLOTSSCREEN
  ld 	bc,768
  ldir
  call  _grbufcpy_v

  ld    b,96
mainloop:
  push  bc

  ld    hl,PLOTSSCREEN
  ld    b,0
loop1:
  rr    (hl)
  djnz  loop1
loop2:
  rr    (hl)
  djnz  loop2
loop3:
  rr    (hl)
  djnz  loop3

  call  _grbufcpy_v

  pop   bc
  djnz  mainloop

  ret

picture:
  {deleted}

.end
.end

<--END USELESS CODE-->

Follow-Ups:

Re: A83: Scrolling background...

From: Olle Hedman <oh@hem.passagen.se>

RE: A83: Scrolling background...

From: "Ahmed El-Helw" <ahmedre@bellsouth.net>