Apparatus for providing improved game port operation in a comput

Details Apparatus for providing improved game port operation in a comput Apparatus for providing improved game port operation in a comput

1995-04-14

1998-03-31

Harrison, Jessica

Amusement devices: games

Including means for processing electronic data

Player-actuated control structure

273148B, A63F 924

Patent

active

057331944

ABSTRACT:
An arrangement which provides hardware at the game port to provide a direct analog-to-digital conversion of input signals provided by the directional input signals of a joystick without involving the central processing unit in the determination. By determining at the game port the input values, the central processing unit need not have its interrupts disabled, and games may easily function with other application programs in a multi-tasking operating system.

REFERENCES:
patent: 4467412 (1984-08-01), Hoff
patent: 4589089 (1986-05-01), Frederiksen
patent: 4829473 (1989-05-01), Keller et al.
patent: 4868780 (1989-09-01), Stern
patent: 5230059 (1993-07-01), Nielsen et al.
patent: 5389950 (1995-02-01), Bouton

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