I/o interrupt sequencing

Details I/o interrupt sequencing I/o interrupt sequencing

G - Physics

06

F

354/230.84

G06F 9/46 (2006.01) G06F 13/34 (2006.01)

Patent

CA 1115850

ABSTRACT OF THE INVENTION An improved I/O interrupt sequencing method and apparatus including generation of an instruction priority request signal to indicate that a real time task requires programmed I/O service. Generating an end of chain sig- nal to suspend burst I/O control of the I/O bus and allow programmed I/O service to a real time device, and resett- ing the instruction priority request signal to allow burst mode data transfer to continue at the count posi- tions at which it was suspended. KI9-78-0066

334531

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