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        TRISA = 0;
        PORTA = 0xFF;
        TRISA = 0xff;

        PORTE = 0xFF;
        TRISE = 0xff;
        TRISA = 0x0;
        PORTA = 0;

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TRISA=0 //Sets all pins on port A as output
PORTA.F# = 1 //Turn pin # on

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TRISA=1 //Sets all pisn on port A as input
if(PORTA.F#){
//insert code to execute when port A pin # is pressed
}

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ANSEL = 0

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int i;
PORTC = ~PORTC;