Author: Submitted hy: Richard Clayton, Digital Equipment Corporation, Maynard, Massachachusetts

This modification to PROGOFOP, Version 2, allows for:

1. The simulation of the Classic LINC interrupt system, in conjunction with a one-second Program Interrupt Clock with which the system is provided.
2. The addition of I/O commands to allow PROGOFOP to answer the Soroban Keyboard.
3. The modification of the PROGOFOP execute and magtape commands to utilize the EXC command to request magtape operations from tape units 2 and 3.

Catalog: November 1969