Yep Gerhard exactly, the machines/microcode have improved significantly Over the S/360 and370 days and with the advent of MVSand above the 16m line , things really took off. But I ask myself, how popular was PL/1 ? I wrote in it a bit on OS/VS2, loved it.
Sent from my iPad Scott Ford Senior Systems Engineer www.identityforge.com On Jan 17, 2012, at 6:46 PM, Gerhard Postpischil <[email protected]> wrote: > On 1/17/2012 6:22 PM, Roberts, John J wrote: >> Also, is it PL/1 or PL/I? > > My mainframe IBM manuals use PL/I. > > The early version(s) of the S/360 compilers were inefficient by not using > available hardware instructions, e.g., bit fiddling doable with OI and NI was > implemented as subroutine calls. And similar to ForTran, each load module > included almost the whole subroutine library, thus wasting (then) valuable > memory. > > > Gerhard Postpischil > Bradford, VT > > ---------------------------------------------------------------------- > 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
