IMProved Mercury autocode
(IMP) A version of {Autocode} used to program the
{Edinburgh Multi Access System} (EMAS), one of the first
{operating systems} written in a {high-level language},
apparently predating {Unix}.
Luis Damas' {Prolog} {interpreter} in IMP for EMAS led to
{C-Prolog}.
[Papers in J. {British Computer Society}].
(1996-04-07)