Re: A86: VBL Interrupt???

To: assembly-86@lists.ticalc.org
Subject: Re: A86: VBL Interrupt???
From: Robert Niedziela <meth@friko2.onet.pl>
Date: Fri, 08 May 1998 20:11:21 +0200
Delivered-To: assembly-86-outgoing@towerguard.unix.edu.sollentuna.se
References: <001401bd7a8c$a297a820$f7c3ffd0@matt>
Reply-To: assembly-86@lists.ticalc.org

I've found it in source code of grayscale library for Ti-85.
Before I put it into my source code, sometimes pages wasn't flipped
correctly.
Maybe it means, that LCD is now refreshed an we can change displayed RAM
area.

Matt2000 wrote:

>  What is a VBL Interrupt? Can someone be specific? I heard it
> mentioned when looking over the source to GSL, the Grayscale Library.
> I think it has something to do with port 3, but that doesnttell me
> much Later,    Matt

References:

A86: VBL Interrupt???

From: "Matt2000" <matt2000@gte.net>

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