A83: Turning off the LCD

To: assembly-83@lists.ticalc.org
Subject: A83: Turning off the LCD
From: Jimmy Conner <timagic@yahoo.com>
Date: Mon, 7 Feb 2000 10:26:04 -0800 (PST)
Reply-To: assembly-83@lists.ticalc.org



  I seem to be having a problem turining off the LCD
in an interrupt program.  Is there anything that the
calc does that stops this?? Or do I have to do it
differently then normal??
This is what I am doing + plus all the normal
interrupt stuff.  But it doesnt seem to do anything at
all.

	di
        ld      a,$74
        ld      ($800A),a
        ld      a,$01
        out     (3),a
        ld      a,$00
        out     (4),a
        pop     hl
        ex      af,af'
        exx
	ei
        halt
	jp	$0038



Jimmy

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Follow-Ups:

Re: A83: Turning off the LCD

From: Scott Dial <wrath@calc.org>