On Tue, 15 Feb 2005, Jay West wrote:
> Sellam wrote...
> > For any of the numbers or symbols, as you figured you just mark it. To
> > get one of the letters inside the number cells, you mark the cell with the
> > letter you want and then, in order from top to bottom relative to where
> > the letter is, you mark either the &, - or 0 cell. So for examp,e, if you
> > want an A, you would mark the 1 and & cells; for J, the 1 and - cells; and
> > for /, the 1 and 0 cells.
>
> Yup, that part I remember. That will get you any of the symbols on the left.
> But I'm not sure how to get the symbol under the number, or the symbols to
> the right of the number.
Oh? Maybe it was too early in the morning, but I didn't see any symbols
under or to the right. I suppose I wasn't paying attention.
> Of course, with &,-,0 there are 8 possible combinations, and in each box 8
> symbols. 3 on the left, the number in the center, the symbol under the
> number, and then the three symbols on the right. So it's a fair guess the
> other symbols are marked with some combination of the &,-,0 marks.
Yes.
> I did gander at the card reader driver in the TSB source, and the coding
> for this is in there. For the three symbols on the left the code is
> obvious. The other symbols the coding is less obvious, but definitely
> there. If I get time I'll revisit the source to elucidate the pattern,
> but it will probably be simpler to wait till I refurb the 7621 and just
> mark a card with the combinations and run it through.
Have you tried contacting Doug Jones to see if he might know how this card
is coded?
--
Sellam Ismail Vintage Computer Festival
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Received on Tue Feb 15 2005 - 10:21:42 GMT