gistfile1.txt

/*
 * changeStack.c
 *
 * Created: 1/26/2016 2:00:48 PM
 * Author : shuffleres
 */ 

#include <avr/io.h>
#include <avr/interrupt.h>
//#include "../../../../../toolchain/avr8/avr8-gnu-toolchain/avr/include/avr/io86r401.h"

uint8_t * changeStack(uint8_t *pNewStack);

int main(void) {
	//Loop forever and ever and ever
    while (1) 
    {
		changeStack((uint8_t *)0x300);
		changeStack((uint8_t *)0x190);
    }
}

uint8_t * changeStack(uint8_t *pNewStack) {
	//Interrupts off
	cli();
	uint8_t *retValue = 0;
	if (*pNewStack > 0x200 && *pNewStack < 0xFFFF) {
		uint16_t currSP = SP;
		
	}
	//Interrupts on
	sei();
	return retValue;
}