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PIC Microcontoller Bit Math Method

Shifting long strings of bits

by Scott Dattalo 

set_bit:

     movf   bitmask,w

     iorwf  indf,f
     btfsc  new_state,0
      xorwf indf,f

     clrc
     rlf    bitmask,w
     rlf    bitmask,f

     btfsc  bitmask,0
      incf  fsr,f


9 words/cycles in assembly,

also:

file: /Techref/microchip/math/bit/bigshift.htm, 1KB, , updated: 2005/12/16 10:42, local time: 2024/12/30 19:09,
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