AFAIR the R12 restriction for LE is gone with z/OS R7 or R8. LE use a PSALAA and ASSB_LAA_CPID instead of R12.
Roland -----Original Message----- From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On Behalf Of Edward Jaffe Sent: Sunday, October 22, 2006 4:17 PM To: [email protected] Subject: Re: Is the teaching of non-reentrant HLASM coding practices ever defensible? Craddock, Chris wrote: [snip] > It is possible (BTDTGTS) to build coding and run time environments on > z/OS where the programmer (even the system's software developer) never > has to confront the low level details. In such an environment, > reentrancy is natural and in all but the most trivial cases, blows the > doors off more "traditional" programming practices for performance. > > This is of course, a religious argument to many. I don't expect to > change any minds. But I offer the following challenge to assembly > language application developers. Even though LE is a demented > rats-nest of bad ideas, if you simply use it, you might be pleasantly > surprised at how much easier and faster your code can run overall. > There's a lot more function available and it is trivially easy to use. > A software stack that provides saving of status & regs, synchronization with error recovery, and storage for so-called "automatic" variables is a MUST for any complex system. The one we use is "home grown" and thoroughly incompatible with LE. Our programs would require massive conversions to use LE services. In particular, it would be close to impossible to free up R12 (as required by LE) in several million lines of code. ---------------------------------------------------------------------- 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
