#include	<pic.h>/* *	Interrupt test for PIC  * *	Copyright (C)1997 HI-TECH Software. *	Freely distributable. */static long	count;static bit	bad_intr;voidmain(void){	/* setup stuff */#ifdef	_16C71	ADCON1 = 3;		// 16C71 requires Port A reconfiguration#endif	T0CS = 0;		// Timer increments on instruction clock	TRISA = 0xFE;		// Port A bit 0 is output 	T0IE = 1;		// Enable interrupt on TMR0 overflow	GIE = 1;		// Global interrupt enable	for(;;)		CLRWDT();	// Idly kick the dog}static void interruptisr(void)			// Here be interrupt function - the name is				// unimportant.{	if(!T0IF)		// Was this a timer overflow?		bad_intr = 1;	// NO! Shock horror!	count++;		// Add 1 to count - insert idle comment	T0IF = 0;		// Clear interrupt flag, ready for next	PORTA ^= 1;		// toggle bit 0 of Port A, to show we're alive}