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Subject: Re: Soft Scrolling & CPU usage

Re: Soft Scrolling & CPU usage

From: Linus Nielsen Feltzing <>
Date: Thu, 02 Jan 2003 18:05:30 +0100 wrote:
> I would suggest doing the text/font-rendering stuff (ascii to pixel) to some
> hidden "pixel-buffer" and copying that to the appropriate pixelposition in

That is exactly what we do today. The lcd_update() function is what does
the copying from the frame buffer to GDRAM.

> Perhaps, this would make it necessary to some major rewrite of the lcd
> display
> manipulation routines - but perhaps this could led to overall better
> performance and free some cpu-cycles.
> What do you think ?

Sure. Go ahead! :-)

Received on 2003-01-02

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