成功运行，个人认为实现的不错
assume cs:code,ds:data,ss:stack
data segment
db 'I love asm! test: awudkkkkhkahkfhwkdkasnckajnwkdhahwdkadkawdkahwdkhakdhawkdhkauwdkawdh',0
data ends
stack segment
db 160 dup (0)
stack ends
code segment
start:
mov ax,stack
mov ss,ax
mov sp,160
mov dh,8
mov dl,3
mov cl,2
mov ax,data
mov ds,ax
mov si,0
call show_str
mov ax,4c00h
int 21h
show_str:
push dx
push di
push cx
push bx
push ax
push es ;储存调用前的寄存器值
mov ax,0B800h
mov es,ax
mov al,dh
mov bl,160
mul bl
mov bx,ax
mov dh,0
add bx,dx
add bx,dx
mov di,0 ;es:[bx+di+idata]
s:
mov cx,[si]
mov es:[bx+di],cx
mov byte ptr es:[bx+di+1],02h
jcxz finish
inc si
add di,2
jmp short s
finish:
pop es
pop ax
pop bx
pop cx
pop di
pop dx
ret
code ends
end start |
