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//---------------------------------------------------------------------------
 
#include <vcl.h>
#include <iostream>
#pragma hdrstop
 
using namespace std;
 
uint8_t dec2bcd(uint8_t);
uint8_t bcd2dec(uint8_t);
 
//---------------------------------------------------------------------------
 
#pragma argsused
int main(int argc, char* argv[])
{
  cout << "Dec : BCD" << "\n";
  for (uint8_t i = 10; i < 100; i++) {
    cout << (int)i << "   :  " << (int)dec2bcd(i) << "\n";
  }
 
  cout << "-> " << (int)bcd2dec(0x81) << "\n";
 
  return 0;
}
 
//---------------------------------------------------------------------------
 
// Convert Decimal to BCD
uint8_t dec2bcd(uint8_t num)
{
  return ((num / 10 * 16) + (num & 10));
}
 
// Convert BCD to Decimal
uint8_t bcd2dec(uint8_t num)
{
  return ((num / 16 * 10) + (num % 16));
}