Re: [cc65] Graphics library

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From: Mike McCarty (jmccarty_at_ssd.usa.alcatel.com)
Date: 2001-08-15 17:10:43


On Wed, 15 Aug 2001, M Ancher wrote:

> On Wed, Aug 15, 2001 at 10:38:13AM +0200, daniel pralle wrote:
> > > I think most people could use functions that write a whole block of memory.
> > > The function could be
> > > void drawMemBlock(int xPos, int yPos, int width, int height, int* memLocation).
> > 
> > We should include BLITTER-routs.
> 
> You are the second mentioning BLITTER. Could anyone _briefly_ tell what it is,
> or point to an URL for more info?

At one time I knew the origin of that word, but it escapes me now. It
may have been BLock bIT TransfER. Anyway, I've seen BLIT used as a
verb, and BLITTER to mean the thing that does it, so this explanation
may not hold water.

A BLITTER moves blocks of memory from one place to another, but the
blocks do not have to be on byte boundaries. The first time I heard it
was in reference to a piece of hardware on the Atari 1000 series
computers. They are very useful for graphics.

Mike
-- 
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