On Mon, 29 Nov 2010 10:51:19 -0600, Chase, John wrote: >Wasn't there also a requirement that whatever means was chosen to zero >Reg15 also set the condition code to zero?
The condition code for the step is set from the value in register 15. There is no connection between that and the condition code bits in the PSW. No, there was no requirement to set the CC bits in the PSW. -- Tom Marchant ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
