On Sun, 09 Apr 2017 06:25:48 -0700, Vic Smith
wrote:

No. IBM 370. Assembler aka BAL. That's what I assumed when you
said asm. Haven't done it since1980. Maybe 1981.

I wrote some assembler in the 70s (PIOCS) writing a drop in
replacement for OLTEP that would run as a batch file on a DOS system.