Add a Call/Return function to the program below
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
Related questions
Question
Add a Call/Return function to the
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.386
.model flat, stdcall
.stack 4096
Exit Process PROTO, dwExitCode:dword
.data
array dword 10000h, 20000h, 30000h, 40000h, 50000h
theSum dword ?
.code
main proc
mov
mov
call ArraySum
mov
esi,OFFSET array
ecx, LENGTHOF array
main endp
invoke ExitProcess, 0
the Sum, eax
ArraySum proc
L1:
i
; Calculates the sum of an array of 32-bit integers.
; Receives: ESI = the array offset
; ECX = number of elements in the array
; Returns: EAX = sum of the array elements
push esi
push ecx
mov
eax,0
add
add
Loop L1
eax, [esi]
esi, TYPE DWORD
end main
pop ecx
pop esi
ret
ArraySum endp
; ESI points to array
; ECX = array count
; calculate the sum
; returned in EAX
; save ESI, ECX
; set the sum to zero
; add each integer to sum
; point to next integer
; repeat for array size
; restore ECX, ESI
: sum is in EAX](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F64f0f390-e46a-448c-8066-145bf7c266b7%2F35663a0d-9d89-44be-82ea-86336b70bd7d%2Fblcok4_processed.png&w=3840&q=75)
Transcribed Image Text:HNMISST 00
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LAST W N HO
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_6
7
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21
22352828
23
24
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26
27
29
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31
32
33
34
35
HO
36
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41
.386
.model flat, stdcall
.stack 4096
Exit Process PROTO, dwExitCode:dword
.data
array dword 10000h, 20000h, 30000h, 40000h, 50000h
theSum dword ?
.code
main proc
mov
mov
call ArraySum
mov
esi,OFFSET array
ecx, LENGTHOF array
main endp
invoke ExitProcess, 0
the Sum, eax
ArraySum proc
L1:
i
; Calculates the sum of an array of 32-bit integers.
; Receives: ESI = the array offset
; ECX = number of elements in the array
; Returns: EAX = sum of the array elements
push esi
push ecx
mov
eax,0
add
add
Loop L1
eax, [esi]
esi, TYPE DWORD
end main
pop ecx
pop esi
ret
ArraySum endp
; ESI points to array
; ECX = array count
; calculate the sum
; returned in EAX
; save ESI, ECX
; set the sum to zero
; add each integer to sum
; point to next integer
; repeat for array size
; restore ECX, ESI
: sum is in EAX
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