Does your computer talk to you?
Written on April 8th, 2026 by Tech Ads
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The intetligence of your
8080 system is only as great
as ifs capacity fo communicate.
Processor Iechnology’s VDM-1
will function as a highly cogent
link to that intelligence. This
ultra-high speed output device
plugs into your Altair or IMSAI
to provide fast, versatile
human interface. It generates
16 lines of cab ge 64 charac-
ters each, both upper and
lower case. 1024 bytes of
random access memory are
on the card. The VDM-1 scrolls
upwards or downwards, up to
a top speed of 2000 lines per
minute! Any combination of
cursors (up to 1024) car be
displayed as black-on-white or
vice versa— perfect for video
games. The VDM-1 will work
with any standard video moni-
tor, or your own TV set can be
easily modified. The module
comes with free terminal mode
software, for teletype replace-
ment when used with BASIC
or assemblers.
Our detailed VDM-1
Owner's Manual is available
for $4, refundable with
purchase of the VDM-1.
Kit Price: (eff. 7/1/76): $199
(premium grade, low profile
IC sockets included).
Write Us,
about our other
plug-in modules,
compatible with |
the 8800 system, |
6200 -N Hollis Street
Emeryville, CA 94608
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‘Does your computer talk to you?’
Processor Technology’s VDM-1 was an early video card that targeted the S-100 commonly used on the MITS Altair 8800 line of computers and its associated clones. The VDM-1 allowed the 8800 to be linked to a common domestic television rather than a terminal or line printer. The VDM-1 was available in kit form for 199 USD.
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