汇编语言实验四（王爽） [bx]和loop的使用

2.

assume cs:code
code segment
	mov ax,0020h
	mov ds,ax
    mov bx,0
    mov cx,64
  s:mov [bx],bx
    inc bx
    loop s
    mov ax,4c00h
    int 21h
code ends
end

3.

assume cs:code
code segment
 s0:mov ax,cs
	mov ds,ax
	mov ax,0020h
	mov es,ax
	mov bx,0
	mov cx, offset s1-offset s0
  s:mov al,[bx]
    mov es:[bx],al
    inc bx
    loop s
 s1: nop
 mov ax,4c00h
 int 21h  
code ends
end