DTIC ADA138152: Development of a Communications Front pdf

DTIC ADA138152: Development of a Communications Front

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A Communications Front-End Processor (FEP) was implemented for a Digital Equipment Corporation (DEC) VAX-11/780 using a DEC LSI-11/23 microcomputer. The LSI-11/23 serviced eight DEC VT-100 terminals and communicated with the VAX-11/780 over an Able Computer Technology, Inc Direct Memory Access (DMA) interface. This investigation proceeded from a FEP design provided in a previous work and culminated in the Telecon ‘C’ compiler language coding of those design specifications. The design was translated into structure charts defining software module functions and interfaces. Program Design Language (PDL) was then used to outline the processing steps in a structured programming format for each software module. A data dictionary was constructed to document the data and functional module interfaces. The code was implemented in a ‘top-down’ manner. (Author

• Creator/s: Defense Technical Information Center
• Date: 12/1/1983
• Year: 1983
• Book Topics/Themes: DTIC Archive, Masty, A F, AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OH SCHOOL OF ENGINEERING, *Communication equipment, *Front end processors, *Interfaces, *Computer programs, Compilers, Programming languages, Computer programming, Data bases, Digital systems, Memory devices, Structural properties, Modular construction, Microcomputers, Computers, Access, Charts, Functions, Formats, Dictionaries, Language, Coding, Theses

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