On Tue, 2 Jun 2020 07:49:30 -0700, Charles Mills <charl...@mcn.org> wrote:
>https://homepage.divms.uiowa.edu/~jones/cards/codes.html Charles Or, perhaps: https://homepage.divms.uiowa.edu/~jones/cards/codes.html Blame the iPhone? >-------- Original message --------From: "Farley, Peter x23353" ><peter.far...@broadridge.com> Date: 6/2/20 7:43 AM (GMT-08:00) To: >IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Punched cards and character set >Radoslaw,In the IBM world, all possible EBCDIC characters (all 256) were >possible to punch into physical cards, but punching any characters not on the >keypunch machine's keyboard (like lower-case letters) required using the >"multi-punch" key (or on older keypunch machines, physically holding the card >in place so that punches did not advance the column position) to manually >punch the necessary holes in one column.If you sent "object deck" output of >the assembler or a compiler to a physical card punch peripheral you could >punch all 256 characters into them. It was harder to do from a manual >keypunch machine.There were alternate physical card formats for non-IBM >environments. IIRC, Univac used a 96-column card with round holes instead of >rectangular ones. I saw them once, but never got to work with them.I have >been asking Google to find any documentation of the full encoding of punches >to EBCDIC characters but haven't found anything relevant yet.Sorry, I don't >have any actual JCL on physical punched cards any more. Somewhere in the >attic I may have a box or two of blank ones, but nothing with >punches.Peter-----Original Message-----From: IBM Mainframe Discussion List ><IBM-MAIN@LISTSERV.UA.EDU> On Behalf Of R.S.Sent: Tuesday, June 2, 2020 10:20 >AMTo: ibm-m...@listserv.ua.EDUSubject: Punched cards and character setI have >never used punched cards, so forgive me my questions.As far as I know, a >character set on punched cards was somehow limited, so it is not EBCDIC or >similar set of 256 characters.Of course that means some limitations for DD * >datasets - if coded on real punched cards.Nowadays I'm pretty sure DD * accept >every possible character, as any other dataset (with some exception for >delimiter). Note, it is program independent - this is a change within system >(JES2, Interpreter, whatever).Q1: how it was in the past? I mean, were the DD >* limited to "punched card" character set? Or it was always full EBCDIC if the >job was read from DASD?Q2: What about character set on the cards? Was it >always one and the same within S/360 family? I noted there were several >character sets, but as far as I understand those set was for other machines >(Remington,pre-S360 IBM machines, etc.)Was there any name for card character >set? I mean something like "CP 037" or so.And another question, or rather kind >request: Does anynone have JCL statements on punched cards? I would like to >get/download some images of JOB, EXEC, and DD statements on punched cards. I >have a lot of card pictures, but none with JCL.--This message and any >attachments are intended only for the use of the addressee and may contain >information that is privileged and confidential. If the reader of the message >is not the intended recipient or an authorized representative of the intended >recipient, you are hereby notified that any dissemination of this >communication is strictly prohibited. If you have received this communication >in error, please notify us immediately by e-mail and delete the message and >any attachments from your >system.----------------------------------------------------------------------For > IBM-MAIN subscribe / signoff / archive access instructions,send email to >lists...@listserv.ua.edu with the message: INFO IBM-MAIN -- gil ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
