pin assignments for the connectors
the signals, arranged by pin number
the input and output registers
MANY THANKS to the following sources for these Diagrams:
PARALLEL PORT COMPLETE by Jan Axelson (Lakeview Research, Madison, WI 53704)
8088 Assembler Language Programming: The IBM PC by David Willen & Jeffrey Krantz (Howard W. Sams & Co., a division of Macmillan)
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