' Name        : SHIFT.pbp
' Compiler    : PICBASIC PRO Compiler 2.6
' Assembler   : PM or MPASM
' Target PIC  : 12F, 16F, 18F
' Hardware    : Non specific
' Oscillator  : 4MHz internal or external
' Keywords    : SHIFTIN, SHIFTOUT
' Description : PICBASIC PRO Code to demonstrate the use of
' SHIFTIN / SHIFTOUT commands.
'

Include "modedefs.bas"  ' Include shift modes

D1PIN Var PORTA.0       ' Shift data pin 1
C1PIN Var PORTA.1       ' Shift clock pin 1
D2PIN Var PORTB.0       ' Shift data pin 2
C2PIN Var PORTB.1       ' Shift clock pin 2

bvar  Var byte
wvar  Var word

mainloop:
   ' Shift in 10 bits of data
   Shiftin D1PIN, C1PIN, MSBPRE, [wvar\10]
   bvar = wvar

   ' Shift out 8 bits of data onto other pins
   Shiftout D2PIN, C2PIN, MSBFIRST,[bvar]

   Pause 500
   Goto mainloop

   End