Chris wrote:
>
> You could in principle specify the 0 bits too:
>
>   movlw (1 << TMR0ON) | (1 << T0PS2) | (0 << T0PS1) | (1 << T0PS0)
>
> and similarly for the other 0 bits, which I haven't got handy.

I prefer to specify individual bits like this, but leave bit fields (such
as the three prescaler bits here) in binary, as in:

  movlw  1<<TMR0ON | b'101'<<T0PS0   ; turn on TMR0, prescale = 64

I do like Olin's method, but otoh, it seems reasonable to expect that
someone working on the code will have the data sheet at hand.


David Meiklejohn
www.gooligum.com.au

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