PCLATH in sine LUT - help needed

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kvrajasekar

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sine lut

Hi,

I want to generate sine LUT with 120 values.I did the following.But i can read upto 110 values,I dont know why it is happening...can any one help me to overcome this problem.

How effectively i can use PCLATH.

sine_loop

movf offctr,w
call sine_LUT
movwf vref_val
movf offctr,w
sublw 0x80
btfsc STATUS,Z
goto loopcompleted ;else continue.
incf offctr,1
goto sine_loop

sine_LUT

addwf pcl,f
dt 0x99,0x23......

-Raja.
 

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