Some PIC questions - again

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I'm not an expert in reading asm-files and instructions to PICs, so I need some help to some PIC-functions:

1) The internal timers (Timer0 og Timer1)

How do I define them?
Where does the output go to?
How can I use that output?

2) In a asm-code I find this
goto $-1
What's that

need the help

Electronics4you
 
goto $-1 means goto one instruction back.
regarding timers , these are enabled by proper bit setting in option register , go thru the datasheet to find detailed info.
 
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