Date   : Wed, 28 Mar 1984 03:29:00-EST
From   : Jerry E. Pournelle <POURNE@Mit-Mc.ARPA>
Subject: cpm 2.2 bios

We've done it with a Compupro systems support board, without
interrupts, but if you want to run that terminal at any great
speed, you will do better to go to interrupt driven software.
       Or use a hardware protocol for handshaking.