Wow, I didn’t know that IBM had their own DOS based Pascal compiler for the PC in 1981, but they did, and BitSavers just uploaded their manual
IBM_Pascal_Compiler_Aug81.pdf
Edit:
document moved from http://bitsavers.trailing-edge.com/pdf/ibm/pc/dos/IBM_Pascal_Compiler_Aug81.pdf
to: http://bitsavers.trailing-edge.com/pdf/ibm/pc/languages/IBM_Pascal_Compiler_Aug81.pdf
It is part of their “Personal Computer Computer Language Series”
From the era of DOS Pascal compilers before Turbo Pascal.
–jeroen
The Wiert Corner - irregular stream of stuff 