Structured assembly language for the
IBM 360 and {IBM
370}, with a few high-level constructs. Syntactically it
resembles
ALGOL 60. Its grammar is defined entirely by
operator precedence.
[
"PL/360, A Programming Language for the 360 Computers",
N. Wirth, J ACM 15(1):37-74 (Jan 1968)].
(1995-01-05)