sin128.asm

基于DSP TMS2000的FFT快速傅利叶变换源程序

		.title	"sin128.asm"
		.copy	"init.h"
		.copy	"vector.h"
		
		.text
START:
		CLRC	CNF
		LDP		#0h
		SETC	Intm
		SPLK	#0000h,60h
		OUT		60h,WSGR
		SPLK	#0FFFFh,IFR
		SPLK	#0004h,IMR
		SPLK	#0323h,61h
		SPLK	#0000h,62h
		SPLK	#07FD8h,63h
		SPLK	#0C000h,64h
		LAR		AR1,#62h
		LAR		AR0,#64h
		LAR		AR6,#2000h
		LAR		AR3,#127
		SPLK	#0000h,67h
		OUT		67h,TIM
		SPLK	#0F9h,65h
		OUT		65h,PRD
		SPLK	#0C20h,66h
		OUT		66h,TCR
		CLRC	INTM
WAIT:
		IDLE
		B		WAIT
TIMER:
		LACC	#0
		MAR		*,AR1
		LT		*-,0
		MPY		*-,1
		LTD		*,0
		MPY		*+,1
		APAC
		SACH	*+,2,AR6
		SACH	*+,2,AR3
		CLRC	INTM
		BANZ	NEXT
		SPLK	#0C30h,67h
		OUT		67h,TCR
		B		_START1
NEXT:
		NOP
		RET
INPT1:	RET
UART:	RET
INPT23:	RET
CODTX:	RET
CODRX:	RET
		.end