This is an implementation of the display hack known as minskytron using CLOG.

To run the program, clone this repository in your Quicklisp local-projects directory

$ cd ~/quicklisp/local-projects/
$ git clone https://github.com/josrr/minskyclogtron.git

then:

$ sbcl
This is SBCL 2.2.6, an implementation of ANSI Common Lisp.
More information about SBCL is available at <http:https://www.sbcl.org/>.

SBCL is free software, provided as is, with absolutely no warranty.
It is mostly in the public domain; some portions are provided under
BSD-style licenses.  See the CREDITS and COPYING files in the
distribution for more information.

* (ql:register-local-projects)
NIL
* (ql:quickload "minskyclogtron")
To load "minskyclogtron":
  Load 1 ASDF system:
    minskyclogtron
; Loading "minskyclogtron"
..................................................
.....
("minskyclogtron")
* (minskyclogtron:start)