PIC Microcontoller Bit Math Method

Shifting long strings of bits

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:

PIC Microcontroller C Routine Shifting long strings of bits (has some assembly code as well)
PIC Microcontroller Math Routine Setting bit number X
PIC Microcontroller IO Routine High speed serial IO pin sampleing

file: /techref/microchip/math/bit/bigshift.htm, 1KB, , updated: 2005/12/16 10:42, local time: 2008/11/21 23:38,

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