Author: Frank Sandy, Raytheon Research Division, Waltham, Massachusetts

This is a FOCAL-12 overlay that allows an incremental digital plotter to be operated from a FOCAL program on a PDP-12. It can be used to draw lines or points with FOCAL's extra function FX, or to draw characters with FOCAL's extra function FZ.

Editor's Note: There is another $PLOT routine included in OVERLAYS T0 FOCAL-12 (DECUS NO. 12-24)

Minimum Hardware: 8K PDP-12, LINCtape or disk, Digital Incremental Plotter

Other Programs Needed: FOCAL-12 and $CHAR (included on tape for $PLOT)

Storage Requirement: Overlay locations 4247-4612

Restrictions: Limited by plotter for lines, slightly slower for characters

Source Language: LAP6

Catalog: July 1974