Question

1. Given an array labeled as array1 with the values: 11111h, 22222h, 33333h, 44444h
   And another array labeled as array2 with the values: 0AEFFh, 23CAH, 1156H

   Sum up BOTH arrays through direct addressing and place the sum into the EAX register.

array1 is a DWORD and array2 is a WORD

Answer 1

1. Code:

.data

array1: dw 1111h,2222h,3333h,4444h

array2: dw 0AEFFH,23CAH,1156H

.code

lea esi,array1              ;load the address of array1 to esi

lea edi,array2              ;load the address of array2 to edi

mov eax,[esi]              ;load the first number from array1 to eax

add esi,2                      ;increment the address to point to the next number in array1

add eax,[esi]               ;adding the second number with first number

add esi,2                      ;increment the address

add eax,[esi]               ;adding third number

add esi,2                      ;increment the address

add eax,[esi]               ;adding fourth number

add eax,[edi]               ;adding first number of array2 with the sum of array1

add esi,2                      ;increment the address of array2

add eax,[edi]               ;adding the second number

add edi,2                     ;increment the address

add eax,[edi]               ;adding the third number and store the answer in register eax

hlt

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