ex05.asm

很多数字信号处理的源程序哦！是做毕业设计的学生的一个很好的参考！文件有点大。

;/******************************************************************************/
;/* exam.asm                                                                   */
;/*                                                                       	   */
;/* This is proprietary information, not to be published -- DIGIPRO DATA   	   */
;/* Copyright (C) 2002, DigiPro Information Co.,Ltd.  All Rights Reserved.     */
;/*                                                                            */
;/* Author: Wu DingMing                                                        */
;/* Date: August 12, 2002                                                      */
;/******************************************************************************/

;ex01.asm                
;DSP算术运算指令实验


		
T		.set	00EH
BRC		.set    01AH 
SWWSR	.set	028H
CLKMD	.set    058H
		
DATA0	.SET	00H
DATA1	.SET	01H
DATA2	.SET	02H
DATA3	.SET	03H
DATA4	.SET	04H
DATA5	.SET	05H
DATA6	.SET	06H
DATA7	.SET	07H
DATA8	.SET	08H
DATA9	.SET	09H
DATA10	.SET	0AH
DATA11	.SET	0BH
DATA12	.SET	0CH

		
		.def 	_main	 
		.def	_c_int00
		.def    _DELAY
		.text
		
_c_int00:	
		RPT		#1000H
		NOP
		LD 		#40H,DP		
		STM		#4000H ,SP
		ADDM	#7FFH,*(SP)
		ANDM	#0FFFEH,*(SP)
	    SSBX 	INTM					;禁止中断
		STM 	#07FFFH,SWWSR			;置外部等待时间 
		STM		#06004H,CLKMD
		LD		#0FFFFH,A
		CALL	_DELAY
		STM		#087FBH,CLKMD
		LD		#0FFFFH,A
		CALL	_DELAY
		B		_main
		
_main:	RSBX CPL
		NOP
		NOP
		SSBX INTM					;禁止中断		
		
		LD #0043h,A
		ST #0055h,DATA0		
		NOP
		ADD DATA0,A					;加法操作: DATA1 = A + DATA0   
		STL	A,DATA1
		NOP
		NOP
		NOP  
		
BRK1:	NOP

		LD #0x00A2,A
		ST #0x0038,DATA2		
		NOP		
		SUB DATA2,A					;减法操作: DATA3 = A - DATA2		         
		STL	A,DATA3
		NOP
		NOP
		NOP
		
BRK2: 	NOP

		STM #0x0421,T	
		MPY DATA3,A					;乘法操作: DATA5,DATA4 = DATA3 * T      
	    STL	A,DATA4
	    STH	A,DATA5
		NOP
		NOP
		NOP 
		                                
BRK3:	NOP 
  		
  		ST #0x1000,DATA6
		ST #0x0021,DATA7
		RSBX SXM					;除法操作:    DATA8 = DATA6 % DATA7;  DATA9 = DATA6 / DATA7;
		LD DATA6,A
		RPT #15
		SUBC DATA7,A
		STL A,DATA8
		STH A,DATA9
		NOP
		NOP
		NOP
        
BRK4:   NOP

		ST   #0x0144,DATA10
		SQUR DATA10,A					;平方操作: DATA11,DATA12 = DATA10 * DATA10
		STL  A,DATA11
		STH  A,DATA12
		NOP
		NOP
		NOP

BRK5:	NOP
		LD	#0ffffh,A
		AND	#00ffh,A				;逻辑与操作
		NOP
		NOP
		
		NOP
		NOP
		LD	#0ff00h,A
		OR	#00ffh,A				;逻辑或操作
		NOP
		NOP
		
		NOP
		NOP
		LD	#0ff00h,A
		XOR	#00ffh,A				;逻辑异或操作
		NOP
		NOP		    
		SSBX 	CPL
		B		$
_DELAY:	STLM  	A,BRC
		RPTB  	_DELAY1-1
		NOP
		NOP
		NOP
		NOP
_DELAY1:RET
		.end