origins of IBM 3740 diskette format

From: Nico de Jong <nico_at_FARUMDATA.DK>
Date: Tue, 1 Mar 2005 07:25:51 +0000

From: "Tore S Bekkedal" <toresbe_at_ifi.uio.no>
> >
> > That was the same for IBM (DOS) Assembler, Cobol (73-80) and RPG-II
(column
> > 1-5 IIRC).
> >
> > Nico
> >
> JCL too. It had something to do with how the 701(!) read in data, into
> two 36-bit words... I think most S/360 languages did it this way.

Possibly for OS/360 (which I never used), but certainly not for DOS. When I
was an operator, we used to turn JCL cards around, so we could see cards
like
// EXEC TAPEDUMP TNIRP CEXE //

Nico
Received on Mon Feb 28 2005 - 23:48:05 GMT