17 Apr
2003
17 Apr
'03
8:06 a.m.
--- "Jeffrey S. Worley" <Technoid(a)30below.com> wrote:
B&C Computervisions in California not only has a
LOT of plotters, but
knows quite well about the gear problem.
I see... they do mention having Atari 1020 plotters with and without
known good gears. I've dropped them a line about a handful of just
the gears.
IIRC, the plotters are common in mechanism between
Atari, Commodore, and
Radio Shack. I think they were made by Alps? They differ somewhat in
case and interface, but otherwise parts interchange readily.
AFAIK, the plotter engine is abolutely identical. I used to buy
my pens and paper at Radio Shack. I still have an unopened box of
paper and a tube of unopened pens. Hope they still write. :-)
Anawho, we are probably talking about this plotter
which mechanism is
the same as that of the Atari 1020. It is a 40-column plotter which has
four pens, black, red, blue and green esconced in a revolving cylinder
not unlike that of a 4shot Derringer pistol and which prints on a 4" or
so roll of register paper.
Bingo. I wrote a few programs for the Commodore 1520 about 16 years ago.
Unfortunately for emulation purposes, the C= ROM code is embedded in
a 6502-family microcontroller, so any emulation has to be by inspection,
not by, um, "borrowing".
The pens, paper, and parts for the plotter are all
available new at B&C.
Thanks for the tip. Found 'em.
I found a parts list at http://www.myatari.com/bc800hw.txt but the
gears are not listed seperately, just some other parts like the
pen carriage.
-ethan
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