Interrupt prioritization in a digital disk apparatus

Electrical computers and digital data processing systems: input/ – Interrupt processing – Multimode interrupt processing

Reexamination Certificate

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C710S264000, C710S265000

Reexamination Certificate

active

07043584

ABSTRACT:
In an digital video disk player the timely acquisition of specific data types is particularly important during trick mode operation. During trick modes a controller can provide enhanced control capability by employing interrupt requests having priorities that differ from those used during normal play mode operation. A method for controlling a microcontroller in digital disk apparatus having at least two reproducing modes. The method comprises the steps of prioritizing the microcontroller interrupts during a first reproducing mode, and in a second reproducing mode reordering the microcontroller interrupt priorities.

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U.S. Appl. No. 09/024,232 dated Feb. 17, 1998 (Priority Document).

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