Apparatus for generating programmable interrupts to indicate dis

Details Apparatus for generating programmable interrupts to indicate dis Apparatus for generating programmable interrupts to indicate dis

1993-09-07

1994-12-06

Bowler, Alyssa H.

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345200, G09G 116

Patent

active

053715136

ABSTRACT:
A circuit for generating programmable interrupt signals including apparatus for counting the individual rows of signals being displayed by an output display, apparatus for selectively storing a signal indicating a particular row, apparatus for determining when the signal counted by the apparatus for counting the individual rows of signals and the signal stored by the apparatus for selectively storing a signal indicating a particular row are equal, and apparatus for producing an interrupt signal when the signal counted by the apparatus for counting the individual rows of signals and the signal stored by the apparatus for selectively storing a signal indicating a particular row are equal.

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