setattdown.asm

基于单片机Aduc841的调试程序

/******************************************************************
              汇编语言模拟SETATT1程序 
******************************************************************/      
/*****************************************************************************
*  =============================================================
*
*****************************************************************************/ 

PUBLIC	_SETATTDOWN
SETATTDOWN_ROUTINES  SEGMENT  CODE
RSEG  SETATTDOWN_ROUTINES

DPP      DATA  084H  ;DATA POINTER - PAGE BYTE

_SETATTDOWN:
    
    MOV A,R7;
    MOV DPP,#23H;
   	MOV DPH,#00H;
	MOV DPL,#00H;
	MOVX @DPTR,A;
	NOP;
    NOP;
	NOP;
	NOP;
	NOP;

	RET
    END