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Computers and Technology, 01.05.2021 22:50 iana00000
Other instructions to implement binary semaphores.
(a) A machine instruction SWAP(R, x) interchanges the contents of the register R and the memory location x in one instruction cycle. Implement the Pb and Vb operations on binary semaphore using SWAP.
(b) A machine instruction Test-Set-Branch, TSB(x, L), where x is a memory location and L is a branch label, performs the following function in one instruction cycle: if (x= = 0) branch to L else x = 0 Implement the Pb and Vb operations on binary semaphore using TSB. Feedback?
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Other instructions to implement binary semaphores.
(a) A machine instruction SWAP(R, x) interchang...
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