8월 28일 어셈블리 숙제 - 석주원

pdf p.118 예제

.386

.MODEL FLAT

ExitProcess PROTO NEAR32 stdcall, dwExitCode:DWORD

include io.h

cr equ 0dh

Lf equ 0ah

.STACK 4096

.DATA

Prompt1 BYTE "This program will evaluate the expression", cr, Lf, Lf

BYTE "    - ( x + y ) - 2z + 1)", cr, Lf, Lf

BYTE "for your choice of integer values.", cr, Lf, Lf

BYTE "Enter value for x:    ", 0

Prompt2 BYTE "Enter value for y:    ", 0

Prompt3 BYTE "Enter value for z:    ", 0

Value BYTE 16 DUP (?)

Answer BYTE cr, Lf, "The result is "

Result BYTE 6 DUP (?)

BYTE cr, Lf, 0

.CODE

_start:

output  Prompt1

input Value, 16

atoi Value

mov dx, ax

output Prompt2

input Value, 16

atoi Value

add dx, ax

output Prompt3

input Value, 16

atoi Value

add ax, ax

sub dx, ax

inc dx

neg dx

itoa Result, dx

output Answer

INVOKE ExitProcess, 0

PUBLIC _start

END

pdf p.120 연습문제 4.2 2번

.386

.MODEL FLAT

ExitProcess PROTO NEAR32 stdcall, dwExitCode:DWORD

include io.h

cr equ 0dh

Lf equ 0ah

.STACK 4096

.DATA

Prompt1 BYTE "This program will evaluate the expression", cr, Lf, Lf

BYTE "     2( -x + y - 1) + z", cr, Lf, Lf

BYTE "for your choice of integer values.", cr, Lf, Lf

BYTE "Enter value for x:    ", 0

Prompt2 BYTE "Enter value for y:    ", 0

Prompt3 BYTE "Enter value for z:    ", 0

Value BYTE 16 DUP (?)

Answer BYTE cr, Lf, "The result is "

Result BYTE 6 DUP (?)

BYTE cr, Lf, 0

.CODE

_start:

output  Prompt1

input Value, 16

atoi Value

neg ax

mov dx, ax

output Prompt2

input Value, 16

atoi Value

add dx, ax

dec dx

add dx, dx

output Prompt3

input Value, 16

atoi Value

add dx, ax

itoa Result, dx

output Answer

INVOKE ExitProcess, 0

PUBLIC _start

END

pdf p.127 예제

.386

.MODEL FLAT

ExitProcess PROTO NEAR32 stdcall, dwExitCode:DWORD

INCLUDE io.h

cr equ 0dh

Lf equ 0ah

.STACK 4096

.DATA

prompt1 BYTE "This program will find the area of a rectangle", cr, Lf, Lf

BYTE "Width of rectangle?    ", 0

prompt2 BYTE "Length of rectangle?   ", 0

value BYTE 16 DUP (?)

answer BYTE cr, Lf, "The area of the rectangle is "

area BYTE 11 DUP (?)

BYTE cr, Lf, 0

.CODE

_start:

Prompt: output prompt1

input value, 16

atod value

mov ebx, eax

output prompt2

input value, 16

atod value

mul ebx

dtoa area, eax

output answer

INVOKE ExitProcess, 0

PUBLIC _start

END

pdf p.130 연습문제 4.3 2번

.386

.MODEL FLAT

ExitProcess PROTO NEAR32 stdcall, dwExitCode:DWORD

INCLUDE io.h

cr equ 0dh

Lf equ 0ah

.STACK 4096

.DATA

prompt1 BYTE "This program will find the area of a box", cr, Lf, Lf

BYTE "Width of the box?    ", 0

prompt2 BYTE "Length of the box?   ", 0

prompt3 BYTE "Height of the box?   ", 0

value BYTE 16 DUP (?)

answer BYTE cr, Lf, "The surface area of the box is "

area BYTE 11 DUP (?)

temp DWORD 32 DUP (?)

height DWORD 32 DUP (?)

sum DWORD 32 DUP (?)

BYTE cr, Lf, 0

.CODE

_start:

Prompt: output prompt1

input value, 16

atod value

mov ebx, eax ; ebx: width

output prompt2

input value, 16

atod value

mov ecx, eax ; ecx: length

output prompt3

input value, 16

atod value

mov height, eax ; height = height

mov temp, ecx

mov eax, ebx

imul eax, temp ; width*length

mov sum, eax ; sum = width*length

imul ebx, height         ; width*height

mov eax, ebx

add eax, sum ; sum += length*height

mov sum, eax

imul ecx, height         ; ecx = length*height

mov eax, ecx

add eax, sum

add eax, eax ; * 2

dtoa area, eax

output answer

INVOKE ExitProcess, 0

PUBLIC _start

END