Re: A86: scrolling

To: assembly-86@lists.ticalc.org
Subject: Re: A86: scrolling
From: <zoneti@tinews.net>
Date: Tue, 2 May 2000 14:06:54 -0400 (EDT)
In-Reply-To: <20000501.205706.-178653.1.rabidcow@juno.com>
Reply-To: assembly-86@lists.ticalc.org



You'll need to modify GridPutSprite to write to a buffer. My RPG uses a
modified version as well for writing to a buffer.

-Tim

On Mon, 1 May 2000 rabidcow@juno.com wrote:

> 
> have a buffer that's 8 pixels higher than the screen & draw your level
> into that with one extra row
> (or move the screen & use that as the buffer)
> every time you want to scroll by one pixel, move the buffer 16 bytes (one
> row of pixels)
> when you've scrolled 8 lines, redraw the buffer (or just the extra last
> row)
> 
> -josh
> 
> On Mon, 1 May 2000 22:42:34 EDT Cybeross@aol.com writes:
> > 
> >     I'm making a program that uses a Grid sprite routine. It has 
> > levels that 
> > can be scrolled down, (it is a skiing game). 
> > I can scroll the levels, but only one row at a time. one row is 8 
> > pixels, so 
> > how can I scroll only one pixel at a time? If it's at all possible, 
> > I don't 
> > want to have to use a regular PutSprite routine.
> >     -thanks
> > 
> > 
> > -Ross Palmer (TCPA)
> > 
> 
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References:

Re: A86: scrolling

From: rabidcow@juno.com