Problem s LOW HIGH Interruptem na PIC 18f452

Zdravim tvorim jednu aplikaci a hodilo by se mi preruseni rozdelene do dvou urovni. Jedna na INT0 tam a druha na USARTU. Mam problem ze mi INT0 vyvola HIGH preruseni ale uz se nevrati zpet k hlavni smycce.Uz nevim cim to je…

Zdrojak heer:

//Nastaveni registru preruseni
RCONbits.IPEN = 1;  	  // Dve urovne preruseni
INTCON2bits.RBPU  = 1;    // Nepouyivej pullup na PORTB
INTCON2bits.INTEDG0 = 1;  // Reaguj na sestupnou hranu
INTCON2bits.INTEDG1 = 1;  // Reaguj na sestupnou hranu
INTCON2bits.INTEDG2 = 1;  // Reaguj na sestupnou hranu

PIE1bits.RCIE = 1;			//Zapni preruseni USARTu
INTCONbits.INT0IE = 1;		//Yapni preruseni INT1

// INTCON3bits.INT1IP = 0; // INT0 IP bude high
IPR1bits.RCIP = 1; // USART bude low

INTCONbits.GIEH = 0;
INTCONbits.GIEL = 1;

while (1)
{

if (PORTCbits.RC1 == 1)	
{
XLCDClear();
XLCDL1home();
XLCDPrintLInt(123);
INTCONbits.GIEH = 1;
}

PORTCbits.RC4 = 1;

}
}

//----------------------------------------------------------------------------
// Vektor preruseni vyssi priority
#pragma code InterruptVectorHigh = 0x08

void InterruptVectorHigh (void)
{
_asm
goto InterruptHandlerHigh //skok na obsluzny program preruseni
_endasm
}

//----------------------------------------------------------------------------
// Vektor preruseni nizsi priority
#pragma code InterruptVectorLow = 0x18

void InterruptVectorLow (void)
{
_asm
goto InterruptHandlerLow //skok na obsluzny program preruseni
_endasm
}

//----------------------------------------------------------------------------
// Podprogram obsluhy vyssiho preruseni
#pragma code
#pragma interrupt InterruptHandlerHigh

void InterruptHandlerHigh (void)
{
INTCONbits.GIEH = 0;
INTCON3bits.INT1IF = 0;
PORTCbits.RC4 = 0;
DlouhaPauza(1);

// start podprogramu obsluhy preruseni

}

//----------------------------------------------------------------------------
// Podprogram obsluhy vyssiho preruseni
#pragma code
#pragma interrupt InterruptHandlerLow

void InterruptHandlerLow (void)
{
// start podprogramu obsluhy preruseni
PIR1bits.RCIF = 0;

PORTCbits.RC4 = 0;
DlouhaPauza(1);
}

//----------------------------------------------------------------------------

Uz s tim experimentuji dlouho a porad neajk nevim "(