Disconnect the Printer D7 pin from ground, and wire it to the PIOs Tape WR DATA pin instead (That is, Pin 12 of the 8255 chip). That's all about it. No idea why the magazine needed 5 sheets of paper to describe that circuit.
== Software ==
Beside the listings, provides by Happy Computer, this 8 bit printer port is fully supported by [[FutureOS]].
== Scanned Articles ==