Ye Ol' π Shack

Focal 1.0.5a tarball includes source and executable.

focal directory contains sample focal programs.

focal-1.0.5a directory contains the source and executable for Coherent-4.2.14.

untar then cd to new directory focal then cd to focal-1.0.5a

$ su
# make install
# exit
$ 

To rebuild fresh do:

$ make coherent
$ su
# make install
# exit

Then type "focal" to execute.

To try an example:

$cd
$cd focal/focal
$focal calndr.foc
=== program runs ===
*q  <== exit focal
$