2-3.asm

TCP_USB试验平台下的几个常见的实验的相应要求与代码

data segment 
   T0     equ   280H               ;clk接单脉冲
   T1     equ   281H
   T2     equ   282H
   ctl53  equ   283H
data ends

code segment 
   assume cs:code ,  ds:data
start:
      mov  dx,ctl53
      mov  al,00010001B
      out  dx,al
      mov  dx,T0
      mov  al,09H
      out  dx,al
      mov  ah,4CH
      int  21H
code ends
end start