The MacAdvantage: UCSD Pascal is a commercial version of the UCSD
p-System version IV Pascal editor and compiler. p-System was available
for many computer systems in the early 1980s including the Mac.
Later versions were sold by Pecan Software Systems under the name
[Pecan Pascal][1].
Compatibility
Architecture: 68k
Best results when booted with the System 1.1(!) system file on disk 1.
Manual says it will work on Mac 128k, 512k and Lisa 2 with MacWorks.
[1]:
http://macintoshgarden.org/apps/the-pecan-power-system-ucsd-pascal