Paper Tape Reader Service Routine for Both PDP-6 and PDP-10

This document provides the assembly source code for the Paper Tape Reader (PTR) service routine, identified as PTRSER, designed for use with Digital Equipment Corporation's PDP-6 and PDP-10 systems. The document includes the full source listing, parameter assignments, status word definitions, service dispatch tables, and symbol tables generated by the MACRO-10 assembler on June 4, 1969.