This document outlines a package of subroutines for the PDP-8 computer intended for controlling ASR-33 Teletype output. The subroutines provide functionality for character typeout, digit typeout, and formatting operations including space, carriage return, line feed, and tabulation. The package occupies 74 decimal locations in core memory and is designed to be loaded using the standard Binary Loader (Digital-8-2-Rim). The document includes technical details on the calling sequences, internal representation of characters, and a complete assembly language program listing.
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