RCL - Rotate Through Carry Left

        Usage:  RCL     dest,count
        Modifies flags: CF OF

           +-+     +---------------+
        +--|C|<----|7 <---------- 0|<-+
        |  +-+     +---------------+  |
        +-----------------------------+

        Rotates the bits in the destination to the left count times with
        all data pushed out the left side re-entering on the right.  The
        Carry Flag holds the last bit rotated out.

                                 Clocks                 Size
        Operands         808x  286   386   486          Bytes

        reg,1             2     2     9     3            2
        mem,1           15+EA   7     10    4           2-4  (W88=23+EA)
        reg,CL           8+4n  5+n    9    8-30          2
        mem,CL        20+EA+4n 8+n    10   9-31         2-4  (W88=28+EA+4n)
        reg,immed8        -    5+n     9   8-30          3
        mem,immed8        -    8+n    10   9-31         3-5


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