li4.asm

本程序是汇编语言的一些基本功能的组合

data segment
 string db 'I am a student.'
data ends

code segment
 main proc far
 assume cs:code,ds:data
start:
 push ds
 sub ax,ax
 push ax
 
 mov ax,data
 mov ds,ax
 
 lea  si,string
 mov ah,2
xh:
 mov dl, [si]

 cmp dl, '.'
 je exit
 
 cmp dl, ' '
 jne next
 
 mov dl,0Dh
 int 21h
 mov dl,0Ah
next:
 int 21h

 inc si
 jmp xh
exit:
 ret
main endp
code ends
 end start