example4.asm

基于dsp5402的一些基本算法的源代码

		 	.mmregs    
		 	.data 
		 	.global 	multi01			
multi01:  	.word 	8080h			
		 	.global	multi02			
multi02: 		.word 	08000h 			
		 	.global 	multi11				
multi11: 		.word 	08080h 			
		 	.global 	multi12			
multi12: 		.word 	08000h  		
		 	.global 	w0				
w0:      	.word 	0000h  			
		 	.global 	w1			
w1:      	.word 	0000h     		
 
         .text
	 	.def _c_int00    
_c_int00 stm 		#multi02,ar2			
         stm 		#multi12,ar3		
         stm 		#w0,ar4			
         ld  		#0,a				
         macsu 		*ar2,*ar3-,a			
         ld  		a,-16,a				
         macsu 		*ar2-,*ar3+,a 		
         macsu 		*ar3-,*ar2,a		
         ld  		a,-16,a 				
         mac 		*ar2,*ar3,a   		
         ld  		a,1,a				
         sth 		a,*ar4+			
         stl 		a,*ar4			
over:    b   		over