On Tue, 2005-10-11 at 13:36 -0500, Glenn Miller wrote: > However, I saw a creative way to use 2 instructions that would reverse the > data in the read buffer. Remember > this code was originally written for a S/360 Model 30 machine. Anyone have > a guess what these instructions > were/are?
Sure, MVC followed by TR. I *vaguely* recall that the old PL/I 'F' compiler would generate similar code when one of the optimization phases discovered that you were rearranging a record. -- David Andrews A. Duda and Sons, Inc. [EMAIL PROTECTED] ---------------------------------------------------------------------- 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
