> >However, I'm not at all sure how I go about multiplying
> >8bit values by floating point values in the first place.
> >Once I've worked out how to do this however, I assume I'm
> >going to be left with a value that's also a floating point,
> >so I need to know how to appropriately round the value
> >to an 8bit integer value.
>
> >I guess what I need is an 8bit*16bit(?) floating point=8bit routine.
>
> At a guess I would say you need to get stuck into this bit of
> code using C
> to make the math handling easier. Then use assembler to
> program after that
> if your not too happy with C.
>
> My recommendation would be to get Hitech C Lite for the
> 16F84/16F627 and try
> doing this as a C module. I don't know if it will do linkable
> modules, but
> you may get that enthused you do the whole thing in C :)

Thanks for the tip - I wasnt aware there was a 'free' version of a PIC C compiler at all, might well be handy in the future.

I've only ever had experience with Visual Basic before(!) - Oh how I long for the CInt() function right now ;)

Anyway, I hope I've found something which will do the trick, the PICList code generator:
http://www.piclist.com/techref/piclist/codegen/constdivmul.htm

Seems to have generated some code I hope I can just plug-in-and-play with. Fingers crossed.

Chris.

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