>Kevan Heydon wrote:
> > I remember the thing called a Retrographics VT640 (I think). It was an
> > add-on board that fitted inside a VT100 and which gave Tektronix
> > graphics. You still had the normal VT100 text display, which could be
> > overlayed on the graphics output.
> I have one of these boards. If anybody wants it then let me know.
> Collector of old computers: http://www.heydon.org/kevan/collection/
Jerome Fine replies:
OK! I will bite. But what can you do with one of these boards? Namely,
what were the commands and what were the results? Or more to the
point, how were the programs written and how fast could the results be
displayed - assuming that something like a square could be displayed
without each pixel being needed to be specified.
Sincerely yours,
Jerome Fine
Received on Wed Apr 11 2001 - 21:29:03 BST