RE: A83: Scrolling background...
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RE: A83: Scrolling background...
you are trying to scroll the screen to right/left or something? I suggest
you check out the 82 scroll routines, they just about work w/83 [change or
define graph_mem is about all you have to do..]
-Ahmed
--
Ahmed El-Helw
ahmedre@bellsouth.net
http://asm8x.home.ml.org
ICQ: 3350394
-----Original Message-----
From: owner-assembly-83@lists.ticalc.org
[mailto:owner-assembly-83@lists.ticalc.org]On Behalf Of James Matthews
Sent: Wednesday, July 29, 1998 9:54 AM
To: Assembly 83 List
Subject: A83: Scrolling background...
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-->
References: