汇编 用子程序输出道三角（有效果图）

 

stack1 segment stack 
   dw 32 dup(0)
stack1 ends
code segment
assume cs:code,ss:stack1
main:mov cx,5
    mov si,5
    mov bx,9
main1:call space
     call string
     loop main1:
     mov ax,4c00h
     int 21h
space proc near
      push cx
      mov cx,si
      mov dl,’ ‘
space1:mov ah,2
   int 21h
   loop space1
   inc si
   pop cx
   ret
space endp
string proc near
      push cx
      mov cx,bx
      mov dl,’*’
str1:mov ah,2
int 21h
loop str1
mov dl,0dh
int 21h
mov dl,0ah
int 21h
sub bx,2
pop cx
ret
string endp
code ends
end main