어셈블리 과제 -문예진

<과제 1-식을 어셈블리로 표현하기>

2(-x+y-1)+z

.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

atod   Value

mov    edx,eax ;레지스터에 x를 옮김

neg edx ;-x

output Prompt2

input Value, 16

atod Value

add  edx,eax ;-x+y

dec edx ;-x+y-1

add edx, edx ;2(-x+y-1)

output Prompt3

input Value, 16

atod Value

add  edx,eax ;2(-x+y-1)+z

dtoa Result, edx

output Answer

INVOKE ExitProcess, 0

PUBLIC _start

END

------------------------------------

<과제 2-mul예제 적기>

.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

<과제 3->

2*(length*width+length*height+width*height)