6264.asm

单片机课程实验

data segment
data ends
code segment
assume cs:code
start:mov ax,2000h
      mov ds,ax
      mov bx,0000h
      mov dl,40h
rep1:inc dl
     mov ds:[bx],dl
     inc bx
     cmp dl,5ah
     jnz rep1
     mov dl,0
     mov [bx],dl
     mov ax,ds
     mov es,ax
     mov bp,0
     mov ah,4
     int 14h
     xor cx,cx
     loop $
     int 20h
code ends
     end start