ABSTRACT:       BITMOV ENABLES THE USER TO COPY BIT STRINGS FROM ONE
                WORD TO ANOTHER
   
USAGE:      CALL BITMOV(IWRD1,IPOS1,NBIT,IWRD2,IPOS2)
 
            INPUT DESCRIPTION:
 
            IWRD1 -  WORD CONTAINING THE BITS TO BE MOVED
 
            IPOS1 -  STARTING BIT POSITION IN IWRD1. BIT POSITIONS
                     ARE FROM 0-31 RIGHT TO LEFT
 
            NBIT  -  NUMBER OF BITS TO MOVE
 
            IWRD2 -  WORD TO MOVE BITS TO
 
            IPOS2 -  STARTING POSITION IN IWRD2
 
            OUTPUT DESCRIPTION:
 
            IWRD2 -  WILL BE MODIFIED BY THE TRANSFERRED BIT STRING
