WriteBin PROC

   Writes a 32-bit integer to standard output in ASCII binary format.
   The binary bits are displayed in groups of 4 for easy reading.

Call args:  EAX = the integer to write

Return arg: None

Example:

      mov  eax,1234ABCDh
      call WriteBin

Output: 0001 0010 0011 0100 1010 1011 1100 1101