Honeywell Computer COntrol Division, Massachusetts, 1966, approx. 40 pages, diagrams and illustrations.
Condition: Very Good, 8.5x11 glossy coated softcover, stapled binding secure and sound, pages clean and unmarked; red cover with photo illlus. of DDP-516 General Purpose I/C Digital Computer.
Categories: 1960's computers and computing, Biography and Company Histories, Databooks, Handbooks, Manuals, General microcomputer and Misc. manufacturers, Hardware, Programming and Programming Languages, General Programming, Philosophy of Programming
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Item DescriptionInterface Manual includes sections on parallel I/O bus and options; signal mnemonics; transfer operations; Interface characteristics - output bus lines, input bus lines, control lines, etc; device command operations; standard interrupt provisions; physical description; typical device control interface, data transfers, setting of mask flip-flops etc;
Direct multiplex control options; Priority interrupt option; Appendix - circuits, descriptions, logic bloc layout, block diagrams, interrupt mask assignments and more.