Multiport game card with configurable address

Details Multiport game card with configurable address Multiport game card with configurable address

1992-08-19

1993-09-14

Weldon, Ulysses

Computer graphics processing and selective visual display system

Display peripheral interface input device

Cursor mark position control device

273148B, G09G 302

Patent

active

052453200

ABSTRACT:
The invention is a multi-port video game controller interface which provides supports for at least two multifunctional game controllers via a single microcomputer I/O bus connector. An address decoder selectively enables one of the game controllers, in order to access the control input received therefrom. A program operating in the personal computer polls separate addresses within the game controller address space to receive input information from the different controllers. Jumper blocks map each of the plurality of controllers to separate and distinct addresses, in order to avoid address conflicts and provide flexibility.

REFERENCES:
patent: 4501424 (1985-02-01), Stone et al.
patent: 4516777 (1985-05-01), Nikora
patent: 4588187 (1986-05-01), Dell
patent: 4659313 (1987-04-01), Kuster et al.
patent: 4852031 (1989-07-01), Brasington
patent: 4868780 (1989-09-01), Stern
patent: 4924216 (1990-05-01), Leung
patent: 5134395 (1992-07-01), Stern
Lewis C. Eggebrecht, Interfacing to the IBM Personal Computer, 1987, pp. 129, 197-199.

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