A computer with a register ile, but without PUSH and POP instructions, is to be used to

Question:

A computer with a register ile, but without PUSH and POP instructions, is to be used to implement a stack. The computer does have the following register indirect addressing modes:

Show how these instructions can be used to provide the equivalent of PUSH and POP by using the instructions and register R6 as the stack pointer.

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Logic And Computer Design Fundamentals

ISBN: 9780133760637

5th Edition

Authors: M. Morris Mano, Charles Kime, Tom Martin

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Question Posted: Jan 08, 2024 03:48 AM

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A computer with a register ile, but without PUSH and POP instructions, is to be used to

Question:

Register indirect + increment: LD Rj Ri ST Rj Ri Decrement + register indirect: LD Rj Ri ST Rj Ri Rj+M[Ri] RiRi+1 M[Ri] - Rj RiRi+1 RiRi -1 Rj - M[Ri] Ri Ri-1 M[Ri] - Rj

Step by Step Answer:

LDI R6 TOSAD Load R6 with address o...View the full answer

Logic And Computer Design Fundamentals

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