lazarus-tutorials/simple_examples/simple_expressions.pas

program simple_expressions;

{$mode objfpc}{$H+}

var
  b: Byte = 4;
  c: Byte = 3;

begin
  WriteLn('Initial value of b is ', b, '; initial value of c is ', c, sLineBreak);
  b := b shr 1; // >> shift right
  c := c shl 4; // << shift left
  WriteLn('After b shr 1, b is ', b, '; after c shl 4, c is ', c, sLineBreak);
  WriteLn('c xor b = ',c xor b, '; c and b = ', c and b, '; c or b = ', c or b);
  WriteLn('not c is ', not c, '; not b is ', not b);
  WriteLn;
  WriteLn('c > b is ', c > b, '; c < b is ', c < b, '; c <> b is ', c <> b, '; c = b is ', c = b);
  WriteLn;
  WriteLn('c div b is ', c div b, '; c mod b is ', c mod b);
  {$IFDEF WINDOWS}
  ReadLn;
  {$ENDIF}
end.