Abstract

This thesis describes the design and implementation of a MC6809 multi-computer communication system, which includes a hardware communication controller, with emphasis on the system's software development. A communication program written in 6809 assembly language has been developed to interface each user and the controller. The communication program acts as a postman, sending and taking messages for each user via the interrupt-driven sending and receiving software. A message is transmitted over a crossbar switched path, which is 8 bits wide, to increase the transmission rate and decrease dedicated CPU time. Every time MC6809 microcomputer in the system can send or receive a message. A sender can send a message to any number of receivers; however, a receiver can accept a message from one sender only. A sender can also receive a message while sending a message.

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Graduation Date

1986

Semester

Spring

Advisor

Patz, Benjamin W.

Degree

Master of Science (M.S.)

College

College of Engineering

Format

PDF

Pages

148 p.

Language

English

Rights

Public Domain

Length of Campus-only Access

None

Access Status

Masters Thesis (Open Access)

Identifier

DP0020366

Accessibility Status

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Engineering Commons

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