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Master's Dissertation
DOI
10.11606/D.54.1990.tde-11092007-110931
Document
Author
Full name
Mateus Jose Martins
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 1990
Supervisor
Committee
Slaets, Jan Frans Willem (President)
Castro, Antonio Rubens Brito de
Ruggiero, Carlos Antonio
Title in Portuguese
Projeto de um microcomputador de 8 bits para aplicações em pesquisa e ensino
Keywords in Portuguese
AM9511
BIOS
Co-processador
CP/M
Disco Virtual
Lógica Digital
Microcomputador
Programa Montador e desmontador
Programa residente
Z80
Abstract in Portuguese
O presente trabalho descreve o desenvolvimento de um microcomputador de 8 bits. O projeto inclui além dos circuitos básicos, lógica adicional para extender a memória contornando o limite normal de endereçamento. Um disco virtual uma interface em RAM e uma interface para "Winchester" foram desenvolvidas para extender a capacidade de armazenamento secundário e a velocidade de execução. Suporte para o coprocessador AM9511 é fornecido para freqüentes cálculos em ponto flutuante. Rotinas para operações básicas de E/,. manipulação da memória e "Caching" de disco, foram desenvolvidas para suportar o sistema operacional CP/M. Um monitor residente com montador, desmontador e funções de E/S de alto nível, foi construído para ajudar no desenvolvimento de aplicações dedicadas.
Title in English
8 bits microcomputer project for applications in research and teaching
Keywords in English
AM9511
Assembly
BIOS
Coprocessor
CP/M
Digital Logic
Disassembly
Firmware
Microcomputer
Virtual disk
Z80
Abstract in English
The present works describes the development of an 8 bits microcomputer system. The project includes, besides the basic circuity, additional logic for memory extension behind the regular address limit. A virtual RAM disk and a Winchester interface were developed to extend secondary storage and execution speed. For floating point intensive calculations support for an AM9511 coprocessor is given. Routines for basic I/O operations, memory management and disk "Caching" were developed to support the CP/M operating system. A resident monitor with assembly, disassembly and high level I/O functions was constructed to aid the development of dedicated application.
 
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MateusMartins.pdf (7.53 Mbytes)
Publishing Date
2007-09-13
 
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