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PICList Thread
'[PICLIST] (sx)0831 routine'
2000\12\15@232940 by jayian

picon face
hi,
whenever the main program call the subroutine below I get garbages
I hope somebody can point out my mistake cause I don't see what is
wrong with it.

thanks

;this routine read the ADC0831
adc     setb    cs                      ;cs high (ra.1)
       setb    clk                     ;clk high (ra.0)
       mov     trk,#8                  ;number of time to loop
       clrb    cs                      ;enable the 0831
       clrb    clk                     ;start convertion
       nop
       setb    clk
       nop
loop    clrb    clk
       mov     data,rb                 ;read the 0831
       setb    clk
       rr      rb                      ;shift data to the right (rb.7 is the input)
       djnz    trk,loop                ;is loop over if not loop again
       mov     flash,rb                ;save data
       ret                             ;return to the main program

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