Titlebook: Beginner‘s Guide to Interfacing the B. B. C. Microcomputer; Martin Phillips Textbook 1985Latest edition Macmillan Publishers Limited 1985

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https://doi.org/10.1007/978-3-642-55711-8 draw an outline of a map requires the plotting of several hundred points. The graphics tablet described in this chapter is able to draw such an outline in a matter of minutes. It also illustrates an application of some of the techniques covered earlier in the book, and shows how an uncomplicated de

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Christophe Berthon,Frédéric CoquelThe Analogue Port is to be found at the rear of the BBC microcomputer. It is a 15-pin ‘D type’ connector. The Analogue Port has four analogue-to-digital converters, two switch inputs, and a light-pen input. The connections are shown in figure 4.1.

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The Analogue Port,The Analogue Port is to be found at the rear of the BBC microcomputer. It is a 15-pin ‘D type’ connector. The Analogue Port has four analogue-to-digital converters, two switch inputs, and a light-pen input. The connections are shown in figure 4.1.

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Macmillan Publishers Limited 1985

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Hyperbolic Problems and Regularity Questionsing very short time-intervals. The use of these is outside the scope of this book. There are two 6522 VIA chips inside the BBC machine, VIA A and VIA B. VIA A handles some functions from the Analogue Port, the keyboard input, and the serial input/output through the speech processor. VIA B handles the User and Printer Ports.

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The User Port,ing very short time-intervals. The use of these is outside the scope of this book. There are two 6522 VIA chips inside the BBC machine, VIA A and VIA B. VIA A handles some functions from the Analogue Port, the keyboard input, and the serial input/output through the speech processor. VIA B handles the User and Printer Ports.