switch_c.asm

变频器程序

;==================================================
;General interrupt structure for calling C fun or Asm fun in ISR
;==================================================
     .def GISR2,GISR3,GISR5,PHANTOM
     .def T1PINT_ISR  
     .def T1UFINT_ISR
     .def CANMBX_ISR 
;     .ref _timer2_isr,_timer1_isr,_tsf,_led 
     .ref _timer2_isr,_timer1_isr,_led,_ad,_Protect   
     .ref I$$SAVE,I$$REST
     .ref PVECTORS 
     .include f2407.h  
     .def _Ad_data
_Ad_data .usect "tmpmem",200  





 GISR1:SETC INTM  
       CALL	I$$SAVE
       SAR	AR1,*
       LARK	AR0,1
	   LAR	AR0,*0+  
	  	LDP #0E0H
;     	LACC 30,1      ;读取外设中断向量寄存器（PIVR）,并左移一*/
        LACC PIVR,1
      	ADD #PVECTORS    	;加上外设中断人口地