UBC Theses and Dissertations

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UBC Theses and Dissertations

Software for a medium-scale hybrid computer Crawley, Barry Gerome Michael

Abstract

The combinations of analog and digital equipment to form hybrid installations are of such variety that hybrid software routines are generally restricted to particular hardware configurations. The software developed in this thesis is applicable and operational on the EAI PACE-231R-V; DEC PDP-9 Hybrid Computer. The programs (in the form of subroutines and handlers) are structured, according to the characteristics of this computer, to handle the general situations of hybrid programming; such situations as the synchronization of the analog and digital computers, and the transfer of data and control information. The present level of software development has considerably simplified the use of the interface for hybrid problem applications. Successive stages of software development would incorporate this stage, in whole or in part; each stage being more comprehensive and sophisticated than its predecessor.

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