user sw exception 21160.asm

2005 Center for Biological & Computational Learning at MIT and MIT All rights reserved. Permissio

#include "def21160.h"  

.GLOBAL	start;		
.GLOBAL	sft0i_isr;	

.SECTION/PM	seg_pmco;
start:					

/* Enable SFT0 interrupt */		
BIT SET IMASK 0x08000000;	

/* Set global interrupt enable */
BIT SET MODE1 0x1000; 				

/***************************** Generate the exception ****************************/
BIT SET IRPTL 0x08000000;	
	
/********************************* Endless loop **********************************/
do_nothing:				
NOP;					
NOP;					
JUMP do_nothing;		

start.END:				
/**************************** Interrupt Service Routine **************************/
sft0i_isr:

// Save any registers to stack	
			
// Perform required operation here

// Restore any registers from stack

RTI;
sft0i_isr.END: