Question

In: Computer Science

Assembly using x86 irvine (masm) Write a complete program that will input values for num1 ,num2,...

Assembly using x86 irvine (masm)

Write a complete program that will input values for num1 ,num2, and num3 and display the

value of the expression ( (num1 ^ 3) * num2 + 5 * ( num2 ^ 2) ) / num3.

assume that the user enters only numbers that are greater than zero and the calculation never exceed 4 bytes size.

Sample run:

num1 = 1

num2 = 2

num3 = 3

((num1 ^ 3) * num2 + 5 * ( num2 ^ 2)) / num3 = 7 R 1


Solutions

Expert Solution

_DATA SEGMENT

COMM ?OptionsStorage@?1??local_stdio_printf_options@@9@9:QWORD ; `_local_stdio_printf_options'::`2'::_OptionsStorage

COMM ?OptionsStorage@?1??local_stdio_scanf_options@@9@9:QWORD ; `_local_stdio_scanf_options'::`2'::_OptionsStorage

_DATA ENDS

_DATA SEGMENT

$SG8912 DB '%d', 00H

ORG $+1

$SG8913 DB '%d', 00H

ORG $+1

$SG8914 DB '%d', 00H

ORG $+1

$SG8915 DB '%d', 00H

_DATA ENDS

_num$ = -16 ; size = 4

_num3$ = -12 ; size = 4

_num1$ = -8 ; size = 4

_num2$ = -4 ; size = 4

_main PROC

push ebp

mov ebp, esp

sub esp, 16 ; 00000010H

lea eax, DWORD PTR _num1$[ebp]

push eax

push OFFSET $SG8912

call _scanf

add esp, 8

lea ecx, DWORD PTR _num2$[ebp]

push ecx

push OFFSET $SG8913

call _scanf

add esp, 8

lea edx, DWORD PTR _num3$[ebp]

push edx

push OFFSET $SG8914

call _scanf

add esp, 8

mov eax, DWORD PTR _num1$[ebp]

xor eax, 3

imul eax, DWORD PTR _num2$[ebp]

mov ecx, DWORD PTR _num2$[ebp]

xor ecx, 2

imul edx, ecx, 5

add eax, edx

cdq

idiv DWORD PTR _num3$[ebp]

mov DWORD PTR _num$[ebp], eax

mov eax, DWORD PTR _num$[ebp]

push eax

push OFFSET $SG8915

call _printf

add esp, 8

mov eax, 1

mov esp, ebp

pop ebp

ret 0

_main ENDP

___local_stdio_printf_options PROC ; COMDAT

push ebp

mov ebp, esp

mov eax, OFFSET ?OptionsStorage@?1??local_stdio_printf_options@@9@9 ; `_local_stdio_printf_options'::`2'::_OptionsStorage

pop ebp

ret 0

___local_stdio_printf_options ENDP

___local_stdio_scanf_options PROC ; COMDAT

push ebp

mov ebp, esp

mov eax, OFFSET ?OptionsStorage@?1??local_stdio_scanf_options@@9@9 ; `_local_stdio_scanf_options'::`2'::_OptionsStorage

pop ebp

ret 0

___local_stdio_scanf_options ENDP

__Stream$ = 8 ; size = 4

__Format$ = 12 ; size = 4

__Locale$ = 16 ; size = 4

__ArgList$ = 20 ; size = 4

__vfprintf_l PROC ; COMDAT

push ebp

mov ebp, esp

mov eax, DWORD PTR __ArgList$[ebp]

push eax

mov ecx, DWORD PTR __Locale$[ebp]

push ecx

mov edx, DWORD PTR __Format$[ebp]

push edx

mov eax, DWORD PTR __Stream$[ebp]

push eax

call ___local_stdio_printf_options

mov ecx, DWORD PTR [eax+4]

push ecx

mov edx, DWORD PTR [eax]

push edx

call ___stdio_common_vfprintf

add esp, 24 ; 00000018H

pop ebp

ret 0

__vfprintf_l ENDP

__Result$ = -8 ; size = 4

__ArgList$ = -4 ; size = 4

__Format$ = 8 ; size = 4

_printf PROC ; COMDAT

push ebp

mov ebp, esp

sub esp, 8

lea eax, DWORD PTR __Format$[ebp+4]

mov DWORD PTR __ArgList$[ebp], eax

mov ecx, DWORD PTR __ArgList$[ebp]

push ecx

push 0

mov edx, DWORD PTR __Format$[ebp]

push edx

push 1

call ___acrt_iob_func

add esp, 4

push eax

call __vfprintf_l

add esp, 16 ; 00000010H

mov DWORD PTR __Result$[ebp], eax

mov DWORD PTR __ArgList$[ebp], 0

mov eax, DWORD PTR __Result$[ebp]

mov esp, ebp

pop ebp

ret 0

_printf ENDP

__Stream$ = 8 ; size = 4

__Format$ = 12 ; size = 4

__Locale$ = 16 ; size = 4

__ArgList$ = 20 ; size = 4

__vfscanf_l PROC ; COMDAT

push ebp

mov ebp, esp

mov eax, DWORD PTR __ArgList$[ebp]

push eax

mov ecx, DWORD PTR __Locale$[ebp]

push ecx

mov edx, DWORD PTR __Format$[ebp]

push edx

mov eax, DWORD PTR __Stream$[ebp]

push eax

call ___local_stdio_scanf_options

mov ecx, DWORD PTR [eax+4]

push ecx

mov edx, DWORD PTR [eax]

push edx

call ___stdio_common_vfscanf

add esp, 24 ; 00000018H

pop ebp

ret 0

__vfscanf_l ENDP

__Result$ = -8 ; size = 4

__ArgList$ = -4 ; size = 4

__Format$ = 8 ; size = 4

_scanf PROC ; COMDAT

push ebp

mov ebp, esp

sub esp, 8

lea eax, DWORD PTR __Format$[ebp+4]

mov DWORD PTR __ArgList$[ebp], eax

mov ecx, DWORD PTR __ArgList$[ebp]

push ecx

push 0

mov edx, DWORD PTR __Format$[ebp]

push edx

push 0

call ___acrt_iob_func

add esp, 4

push eax

call __vfscanf_l

add esp, 16 ; 00000010H

mov DWORD PTR __Result$[ebp], eax

mov DWORD PTR __ArgList$[ebp], 0

mov eax, DWORD PTR __Result$[ebp]

mov esp, ebp

pop ebp

ret 0

_scanf ENDP

venereology answered 1 year ago
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