On Sun, 28 Sep 2014, Chuck Guzis wrote:
  Really?  I've never seen a C defined for an
architecture that lacks
 simple Boolean operations--note that on a decimal architecture, all bit
 combinations are not legal.  Shifting, if implemented, only shifts
 values by powers of ten.
 Show me a C for an IBM 1620, 7080 or 1401.  I've never seen it.  All had
 FORTRAN, however. 
Surely, you could write a C compiler in FORTRAN.
C     SHIFT LEFT 1 BIT
      X = X + X