Path: utzoo!utgpu!water!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!mailrus!ames!sgi!maverick From: maverick@cl2devy.SGI.COM (Steve Whitney) Newsgroups: comp.sys.atari.st Subject: Atari Blitter Information Keywords: blitter Message-ID: <18771@sgi.SGI.COM> Date: 9 Aug 88 20:48:24 GMT Sender: daemon@sgi.SGI.COM Distribution: na Organization: Silicon Graphics Inc, Mountain View, CA Lines: 20 As far as I know, the information below is incorrect. It was posted in comp.arch as article 6110. Would someone who soed know please post a response in comp.sys.atari.st and comp.arch, please? > ... An example is the (still not released, ~~~~~ ~~~ ~~~~~~~~ I responded to this > I believe) Atari blitter. It was just a rectangle-copy chip, no special ops, ~~~ note past tense > nothing else. Compare this to the amiga chips, where the blitter was part of > the original design. The blitter has 256 operations (3-source,1 dest), can > also do line-draw and fills, and is only a small part of chip it's on, and > shares hardware with other special purpose functions of the chips, like > dma channel addressing and arbitration. > Randell Jesup, Commodore Engineering {uunet|rutgers|allegra}!cbmvax!jesup As I understand it, the Atari blitter does do line drawing and area fills. If this is the case, let's correct the record. --Steve Whitney