Consider a computer that does not have a TSL instruction, but does have an instruction to swap the contents of a register and a memory location in a single indivisible action. Can that be used to write a routine enter-region such as that used with TSL? Give pseudocode for this routi
Consider a computer that does not have a TSL instruction, but does have an instruction to swap the contents of a register and a memory location in a single indivisible action. Can that be used to write a routine enter-region such as that used with TSL? Give pseudocode for this routi
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Consider a computer that does not have a TSL instruction, but does
have an instruction to swap the contents of a register and a memory
location in a single indivisible action.
Can that be used to write a routine enter-region such as that used with TSL? Give pseudocode
for this routine if it can be made, or explain why it can not be done.
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