Interface Specifications for the SCR (A-7E) Extended Computer Module.
NAVAL RESEARCH LAB WASHINGTON DC
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This document describes the programmer interface to a computing machine partially implemented in software. The Extended Computer is part of NRLs Software Cost Reduction SCR project, to demonstrate the feasibility of applying advanced software engineering techniques to complex real-time systems in order to simplify maintenance. The Extended Computer allows code portability among avionics computers by providing extensible addressing, uniform io and data access, representation-independent data types, uniform event signalling, a standard subprogram invocation mechanism, and parallel process capability. The purpose of the Extended Computer is to allow the remainder of the software to remain unchanged when the host computer is changed or replaced.
- Computer Programming and Software
- Computer Hardware