Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!csd4.milw.wisc.edu!bionet!agate!ucbvax!bloom-beacon!apple!well!ewhac
From: ewhac@well.UUCP (Leo 'Bols Ewhac' Schwab)
Newsgroups: comp.sys.amiga.tech
Subject: Re: swapping bitmaps using the blitter and not using temporary space
Message-ID: <11421@well.UUCP>
Date: 26 Apr 89 08:53:04 GMT
References: <8904212115.AA19128@hermes.berkeley.edu>
Reply-To: ewhac@well.UUCP (Leo 'Bols Ewhac' Schwab)
Organization: Samuel L. Bronkowitz Productions
Lines: 16
Quote: "InterPol, and DeutscheBank.  FBI, and Scotland Yard."  -- Kraftwerk

In article <8904212115.AA19128@hermes.berkeley.edu> dillon@HERMES.BERKELEY.EDU (Matt Dillon) writes:
>	bitmap's A and B
>
>	A = A ^ B
>	B = B ^ A	(B = B ^ A ^ B = A)
>	A = A ^ B	(A = A ^ B ^ A = B)
>
	Gee, Matt, did you just discover this?  Even I knew about this one.

	Of course, it had to be spelled out to me...

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Leo L. Schwab -- The Guy in The Cape	INET: well!ewhac@ucbvax.Berkeley.EDU
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