initial.asm

来自「5402DSP程序设计语言」· 汇编 代码 · 共 25 行

	.mmregs
	.global _initial
    .text    
_initial:
	stm    #03fe1h,pmst
	stm 	300h,ar3  ;initial data 300h
	st  	#00h,*ar3
	stm 	302h,ar4
	st  	#00h,*ar4  
	
	;ldm		pmst,a
	;and		#0x30ff,A,A
	;stlm	A,pmst
	

	ssbx	1,11  ; set st1.intm=1 stop all interrupt
	stm 	#00h,imr;stop all interrupt
	stm 	#0ffffh,ifr;clear all interrupt sign
	
	stm 	#04h,imr;allow int2 interrupt
	rsbx 	1,11 ;allow all interrupt
	ret 
	.end