From mboxrd@z Thu Jan  1 00:00:00 1970
From: jnc@mercury.lcs.mit.edu (Noel Chiappa)
Date: Sat, 25 Nov 2017 09:24:24 -0500 (EST)
Subject: [TUHS] Harvard and Von Neumann Architectures and Unix
Message-ID: <20171125142424.3518A18C0D9@mercury.lcs.mit.edu>

    > From: Doug McIlroy

    > Optimal code for bitblt (raster block transfers) in the Blit

Interesting case. I'm not familiar with BitBLT codes, do they actually modify
the existing program, or rather do they build small custom ones? Only the
former is what I was thinking of.

       Noel