1" paper tape buy ?

[Brent Hilpert]

Brent Hilpert wrote:
> 
> Was there a standard 8-bit binary punch pattern (to get a full 8-bit byte out
> of one 12-bit column)?

Paul Koning wrote:
> 
> >>>>> "John" == John Floren <slawmaster at gmail.com> writes:
> 
>  John> I thought 80-column cards were 80 bytes? One byte per column?
>  John> I've never actually used them, so if somebody could explain to
>  John> me that would be interesting.
> 
> Yes, they are, if you use the full binary code.  That exists but it
> isn't often seen.  I do remember some IBM 360 binary card decks,
> though.

Nothing like getting an answer a fraction of a second after asking the question (!)

I also just found the full 8-bit-binary punch pattern in my WATFIV FORTRAN
manual. (There are a maximum of 6 holes punched per column.)


> You could even do 12 bits per column if the card punch being used is
> forgiving.