The ASCII bit in the PSW affected only the decimal instructions, including UNPK. It did not affect how the card reader read zoned numeric data.
-- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 ________________________________________ From: IBM Mainframe Discussion List <[email protected]> on behalf of Paul Gilmartin <[email protected]> Sent: Monday, November 19, 2018 8:31 PM To: [email protected] Subject: Re: So much for THAT excuse | Computerworld SHARK TANK On Mon, 19 Nov 2018 15:54:58 -0800, Tom Brennan wrote: >On 11/19/2018 2:39 PM, Pew, Curtis G wrote: > >> Right. The expectation was that routines would check the bit and generate >> output in the appropriate codeset, and eventually everyone would be using >> ASCII. Instead, everyone ignored the bit and generated EBCDIC, so the bit >> was reused for something else (I can’t remember what either.) >> >Thanks! I was going to ask how a bit in the PSW could possibly affect >any kind of code translation. > Did it not also affect the format of zoned decimal data? -- gil ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
