【汇编语言】判断闰年

include vcIO.inc


.data



yes byte "This year is leap year!",0ah,0h
no byte "This year is not leap year!",0ah,0h
four word 4
one_hundred word 100
four_hundred word 400

format byte "%d",
0
year word ?

.code

main proc


;read year -bx
invoke scanf , offset format , offset year
mov bx, year
xor dx,dx
mov ax,bx
div four_hundred
cmp dx,0
je then_body
;
	xor dx,dx
	mov ax,bx
	div four
	cmp dx,0
	jne else_body
	;
	xor dx,dx
	mov ax,bx
	div one_hundred
	cmp dx,0
	je else_body	
;
then_body:
	invoke printf ,offset yes
	jmp next
else_body:
	invoke printf ,offset no
next:
	invoke _getch

ret
main endp
end main