最大公约数.asm

最大公约数和最小公倍数

INCLUDE Irvine32.inc
.data
a byte "please input x:",0
b byte "please input y:",0
d byte "the gongyueshu is:",0

.code
main proc
mov edx,offset a
call writestring
call readint

mov ebx,eax
mov edx,offset b
call writestring
call readint



.if eax>ebx
cdq
div ebx
cmp edx,0
jne l1
mov edx,offset d
call writestring
mov eax,ebx
call writeint

.elseif eax<ebx
xchg eax,ebx
cdq
div ebx
cmp edx,0
jne l1
mov edx,offset d
call writestring
mov eax,ebx
call writeint

.elseif eax==ebx
mov edx,offset d
call writestring
call writeint
.endif
exit

l1:
mov eax,ebx
mov ebx,edx
cdq
div ebx
cmp edx,0
jne l1
mov edx,offset d
call writestring
mov eax,ebx
call writeint



exit
main endp
end main