irvine 어셈블리 사칙연산 (더하기)

INCLUDE Irvine32.inc

.data

prompt_1 byte "input num1 : ", 0

prompt_2 byte "input num2 : ", 0

prompt_3 byte "choice num : ", 0

Operator_ byte "[1] Addition", 0dh, 0ah

num1 dword 0 

num2 dword 0 

ch_ dword 0 

.code 

main PROC

mov edx, offset prompt_1

call WriteString

call Readint 

mov num1, eax

mov edx, offset prompt_2

call WriteString

call Readint

mov num2, eax

mov edx, offset prompt_3

call WriteString

call Readint

mov ch_, eax

.IF ch_ == 1

call Addnum

.ENDIF

exit

main ENDP

Addnum PROC

mov eax, num1

add eax, num2

call WriteInt

call crlf

exit

Addnum ENDP

END main