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Master's Dissertation
DOI
10.11606/D.54.1983.tde-09042007-161044
Document
Author
Full name
Carlos Antonio Ruggiero
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 1983
Supervisor
Committee
Slaets, Jan Frans Willem (President)
Catto, Artur Joao
Roda, Valentin Obac
Title in Portuguese
Projeto e construção de um terminal de vídeo gráfico
Keywords in Portuguese
Terminal de vídeo
Terminal gráfico
Abstract in Portuguese
Neste trabalho são estudados alguns tópicos referentes a terminais de computadores com enfoque especial nos terminais de vídeo, sendo descrito, também, um projeto de terminal alfanumérico e gráfico. O terminal alfanumérico apresenta na tela, 25 linhas, cada uma com 80 caracteres e é construído a partir de somente 22 intesrados cabendo completamente numa placa S-100 padrão. O terminal gráfico, totalmente desenvolvido pelo autor no Laboratório de Instrumentação Eletrônica do DFCM, apresenta uma resolução de 512 por 250 pontos (128000 pontos) e pode ser expandido até ser capaz de mostras na tela, 256 níveis de intensidade ou cor. No sistema mínimo, o terminal necessita de apenas duas placas do padrão S-100. A filosofia aqui é o mapeamento de bits, ou seja, todas as informações dos 128000 pontos são armazenados numa memória. Tanto o terminal alfanumérico quanto o gráfico apresentam imagens através da varredura por rastro.
Title in English
Design and implementation of a terminal with graphics capabilities
Keywords in English
Graphics terminal
Video terminal
Abstract in English
In this work, some topics concernins computer terminals are studied, specially focusins on video ones and a project of an alphanumeric and graphical terminal is described. The alphanumeric terminal presents 25 lines of 80 characters each, is made of only 22 intesrated circuits, beins completely contained within a standard S-100 board. The graphic terminal, totally projected by the author in the Laboratório de Instrumentação Eletrônica, has a resolution of 512 by 250 dots (128000 dots) and can be expanded up to 256 levels of intensity or 256 different colors per dot. The minimum system occupies only 2 standard 8-100 boards. The operatins principle is bit-mapped, i.e., all 128000 dots are stored in a memory. Both the alphanumeric and the graphic terminals display the memory images by raster scanning.
 
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Carlos_Ruggiero.pdf (3.20 Mbytes)
Publishing Date
2007-04-10
 
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