#include <hidef.h>         /* common defines and macros */
#include <mc9s12c128.h>     /* derivative information */
#pragma LINK_INFO DERIVATIVE "mc9s12c128"

void setBit(unsigned char *data, unsigned char location);
void clearBit(unsigned char *data, unsigned char location);
unsigned int countBits(unsigned char *data);

#define DATA_LEN 5

void main(void) {

  
  //TODO:  Modify the value using the appropriate
  //value for your lab group from the list below.
  
  //Section: M       T       W       R       F
  //grp1:    AntS    IntO    QuiP    BeaR    KelP
  //grp2:    BeaR    JolT    RacK    ChaT    LopE
  //grp3:    ChaT    KelP    SifT    DraG    MakE
  //grp4:    DraG    LopE    TilE    EchO    NovA
  //grp5:    EchO    MakE    UndO    FliP    OpaL
  //grp6:    FliP    NovA    VinE    GriM    PacT
  //grp7:    GriM    OpaL    WorE    HolD    QuiD
  //grp8:    HolD    PacT    YacK    ItcH    RacK
  //grp9:    ItcH    QuiD    ZarF    JolT    SifT

  unsigned char data[DATA_LEN] = "DemO";
  //use volatile to ensure that the compiler creates memory for count
  volatile unsigned int count;  
  
  EnableInterrupts;
 
  count = countBits(data);
  
  //TODO:
  //use the setBit and clearBit functions to 
  //INVERT the case of the string
  //e.g. uppercase to lowercase and lowercase to uppercase
  
  
  

  for(;;) {} /* wait forever */
  /* please make sure that you never leave this function */
}

/*
  setBit sets the bit at the specified location in data.
  Bits are numbered byte-by-byte, starting with 0 at the LSB of 
  the first byte of the data range.
*/
void setBit(unsigned char *data, unsigned char location) {
  //TODO:
  //Impement setBit
}


/*
  clearBit clears the bit at the specified location in data.
  Bits are numbered byte-by-byte, starting with 0 at the LSB of 
  the first byte of the data range.
*/
void clearBit(unsigned char *data, unsigned char location) {
  //TODO:
  //Impement clearBit 
}

/*
  countBits counts the number of bits which are set (i.e. 1) in the data.  
  It stops counting when a null-byte is encountered.
*/
unsigned int countBits(unsigned char *data) {
  //TODO:
  //Implement countBits
}