383.asm

单片机开发资料光盘-双龙-686M.zip

   .include "m103def.inc"
     .org  $0000
    rjmp   RESET       
   
    .cseg
    .org  $0010
    
   RESET:clr r16              ; RAMPZ寄存器清零
         out RAMPZ, r16 
         clr r31              ; 清除Z指针寄存器的高字节 
         ldi r30,$F0         ; Z指针寄存器的低字节置1
         elpm r16, Z+        ; 从程序装入常数
                               ; RAMPZ:Z (r31:r30)指向的存储器
   .org $00f0
    p1:  ldi  r17,1
         mov  r18,r17
         jmp  RESET