import standard.C.casts

class Main {
     function Main() {
          var decimal_number=-12.345;
          var a_number=0x10A;

          echo "The eight bit representation of " + decimal_number + " is ";
          echo uint8(decimal_number);
          echo "\n";

          echo "The eight bit representation of " + a_number + " is ";
          echo uint8(a_number);
          echo "\n";
          
     }
}
 

Results 
The 8 bit representation of -12.3450000000
The 8 bit representation of 266 is 10