c2_2_2.asm

dsp入门与实践一书的源代码

	.global _sub64
	.text
_sub64:
	SUBU	        .L1	A4,	A6,	A1:A0
||	SUB		.L2	B4,	B6,	B7
||	SUB		.S2X	A8, 	4,	B0	
	SUB		.L2X	A1,	B7,	B7		
	STW		.D1	A0,	*A8	
||	STW		.D2	B7,	*B0	
||	B		.S2	B3		
	NOP	5