light pen???
21-Jun-90 08:49:12
Sb: #57175-light pen???
Fm: Bill Mayhew [VAX/DECPC] 76702,502
To: Larry 70436,1241
P.S.: In addition to information on the display, it would be necessary to
know the operating system you're using, since software to make use of the
light pen will be operating system specific and the PDP-11 supports a dozen
or more different operating systems.