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Problem with BTFSC instruction Pic16f877A in PICC

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anhnha

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Hi everyone,
I have a problem with BTFSC in PICC with pic16f877A.I used the following code but it seem that BTFSC do not work.Both bits of portc always is set.
Code: 
BTFSC 0x4F,1
bsf portc, 5
bsf portc, 6
Could you help me this?
Thanks in advance.
 

is it possible that bit 5 is already set before? can you post all the code?
 

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