Re: A83: OFF command

To: assembly-83@lists.ticalc.org
Subject: Re: A83: OFF command
From: "James Vernon" <jimbob_v@hotmail.com>
Date: Sun, 16 May 1999 16:26:06 PDT
Delivered-To: assembly-83-outgoing@towerguard.unix.edu.sollentuna.se
Delivered-To: assembly-83@lists.ticalc.org
Reply-To: assembly-83@lists.ticalc.org


On Fri, 14 May 1999 18:38:37 +0200, M.Delmas wrote:
>
>
>I want to turn my TI off and I wonder if a simple command exists. I think 
>so
>because I suppose the [2nd] & [OFF] command don't load a lot of call. And I
>read that such command exist on other calc (I think on TI85) and you just
>have to put "call $XXXX".
>

Here is a power off routine, straight from James Matthew's ASMGURU:

OFF:
        DI			; disable interrupts
        LD A,001H
        OUT (003H),A		; turn off screen
        LD A,000H
        OUT (004H),A
        EX AF,AF'
        EXX
        EI			; enable interrupts
        RET

.end

There ya go.

James Vernon
jimbob_v@hotmail.com


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