Philippe Paternotte wrote:
> Isaac Marino Bavaresco wrote:
>  =20
>> Which PIC family? (12-bit, 14-bit, 14-bit enhanced, 16-bit, 16-bit
>> extended, 24- or 32-bit instructions)
>>
>> This code should work for the 5 first families in the list:
>>
>>     decf    Var+0,f
>>     btfss    STATUS,C
>>     decf    Var+1,f
>>     btfss    STATUS,C
>>     decf    Var+2,f
>>
>>     movf    Var+0,w
>>     iorwf    Var+1,w
>>     iorwf    Var+2,w
>>     btfsc    STATUS,Z
>>     goto     IsZero
>>
>> Of course there are other options, some more efficient (specially for
>> the 16-bit instructions family), but this code should work for most
>> families.
>>
>> Best regards,
>>
>> Isaac
>>
>>    =20
>
> Isaac, DECF sets carry/borrow in PIC18 only so that code works only for
> PIC18.
>
>
> -----
> Best regards,
>
> Philippe.
>
> http://www.pmpcomp.fr Pic Micro Pascal for all!=20
>  =20
Correct, DECF only affects Z, not C.
David...

--=20
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David Duffy        Audio Visual Devices P/L
Unit 8, 10 Hook St, Capalaba 4157 Australia
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Our Web Site: www.audiovisualdevices.com.au
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--=20
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