Consider a computer in which several devices are connected to a common interrupt- request line, as in
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Consider a computer in which several devices are connected to a common interrupt- request line, as in Figure 4.8a. Explain how you would arrange for interrupts from device j to be accepted before the execution of the interrupt-service routine for device i is completed. Comment in particular on the times at which interrupts must be enabled and disabled at various points in the system.
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Computer Organization
ISBN: 9780072320862
5th Edition
Authors: V Carl Hamacher, Carl Hamacher, Zvonko G Vranesic, Safwat G Zaky
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