IBM 029 Card Punch and ASCII Machines

Simon Claessen simski at dds.nl
Sun May 10 07:42:38 CDT 2015


there is no such thing as a ascii 029. The code on the cards is fixed. Translation occurs on the receiving side with a lookuptable.

On 10-05-15 10:56, Robert Jarratt wrote:
> I recall back in the late 70s using an IBM 029 Card Punch to punch cards for
> the DECSYSTEM-20.
>
>
>
> As I understand it, the 029 was an EBCDIC machine, but of course the
> DECSYSTEM-20 was ASCII.
>
>
>
> Does that mean there was an ASCII version of the 029, or that there was
> something in the card reader software on TOPS-20 that converted EBCDIC to
> ASCII?
>
>
>
> Regards
>
>
>
> Rob
>
>

-- 
Met vriendelijke Groet,

Simon Claessen
drukknop.nl


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