Question

In: Computer Science

Write and assemble a program to load values into each of registers R20 – R24 and...

Write and assemble a program to load values into each of registers R20 – R24 and then push each of these registers onto the stack. Single-step the program, and examine the stack and the SP register after the execution of each instruction.

Expert Solution

.INCLUDE “M32DEF.INC”

LDI R20, HIGH(RAMEND)

OUT SPH, R20

LDI R20,LOW(RAMEND)

OUT SPL, R20

LDI R20, $20

LDI R21, $31

LDI R22, $42

LDI R23, $53

LDI R24, $64

PUSH R20

PUSH R21

PUSH R22

PUSH R23

PUSH R25

L1: RJMP L1

venereology answered 1 year ago

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