Chapter 6, Problem 41E

Explanation of Solution

Given code:

The given program is as follows:

                BR         main

sum:      .WORD      0x0000

num1:     .BLOCK     1

num2:     .BLOCK     1

num3:     .BLOCK     1

main:     LDWA     sum,d

          DECI     num1,d

          DECI     num2,d

          DECI     num3,d

          ADDA     num3,d

          ADDA     num2,d

        ...