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- From: klee@wsl.dec.com (Ken Lee)
- Newsgroups: comp.arch,comp.graphics
- Subject: Re: Early use of XOR to show motion
- Keywords: XOR Raster
- Message-ID: <1992Nov10.004144.21295@PA.dec.com>
- Date: 10 Nov 92 00:41:44 GMT
- References: <36823@cbmvax.commodore.com>
- Sender: news@PA.dec.com (News)
- Reply-To: klee@wsl.dec.com
- Organization: DEC Western Software Laboratory
- Lines: 13
-
- |> Does anyone have any early (pre 1974) references to the
- |> use of XOR (Exclusive-OR) to display "alternate images"
- |> (i.e. make it look like one image is moving over another)?
-
- I take it you're trying to fight the infamous XOR patent.
- You might try Richard Stallman's group, who seems to have
- done a bit of research into this.
-
- --
- Ken Lee
- DEC Western Software Laboratory, Palo Alto, Calif.
- Internet: klee@wsl.dec.com
- uucp: uunet!decwrl!klee
-