Re: A86: Newbie Loop Question

To: assembly-86@lists.ticalc.org
Subject: Re: A86: Newbie Loop Question
From: "UnEven Software" <uneven14@hotmail.com>
Date: Sun, 27 Sep 1998 18:50:08 CDT
Delivered-To: assembly-86-outgoing@towerguard.unix.edu.sollentuna.se
Reply-To: assembly-86@lists.ticalc.org



>
>
>Hello,
>I'm new to asm and I can't get this program to 'work'. All it's 
supposed to
>do is draw 5 lines of 8 pixels each (xor'd each time)...It does that, 
but
>then the program just keeps running...please help.
>
>Program:
>
>#include "asm86.h"
>#include "ti86asm.inc"
>
>.org _asm_exec_ram
>
>	call _clrLCD
>	ld hl, $FC00
>	ld a, %10101010
>	ld b, 5
>loop:	ld (hl), a
>	inc l
>	xor %11111111
>	djnz loop
>
>.end
>.end
>
>Thanx,
>Dave VanEe
>
>

After your "djnz loop" add a "ret" otherwise the calc doesn't know to 
RETurn and it keeps going and going and going and going.

Matt


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