Here is the Sun compiler. It is "3L SPARC IMP version 1.0.6". It needs Solaris 1.x to link, but the compiler and the resulting executables will run on any Solaris version.
Name Last modified Size Description
imp 2008-10-13 07:45 224K ascii.inc 2008-10-13 07:45 629 lognames.inc 2008-10-13 07:45 140 imp-sun.tar 2008-10-13 07:46 360K hello 2008-10-13 07:46 32K README 2008-10-13 07:46 174 textutils.inc 2008-10-13 07:46 331 cliparse.inc 2008-10-13 07:46 797 sysspecs.inc 2008-10-13 07:46 2.2K console.inc 2008-10-13 07:46 138 archaisms.inc 2008-10-13 07:46 441 hello.o 2008-10-13 07:46 284 maths.inc 2008-10-13 07:46 1.2K connect.inc 2008-10-13 07:46 1.6K an_example.csh 2008-10-13 07:46 52 heap.inc 2008-10-13 07:46 548 libimp.a 2008-10-13 07:46 79K hello.imp 2008-10-13 07:46 55 signal.inc 2008-10-13 07:46 965