[Coco] [Color Computer] Re: CoCo C Math Libraries

Boisy G. Pitre boisy at boisypitre.com
Mon Jul 18 23:22:44 EDT 2005


James,

I can certainly agree with you.  Good luck and keep us posted on your  
progress.

Boisy

On Jul 18, 2005, at 10:18 PM, James Diffendaffer wrote:

> Actually I needed a break.  The hc08 code generator is over 8500 lines
> long and the 6809/6309 require many more lines of code to support the
> additional registers.  If I had used 6809 assembly recently this would
> be easier since I wouldn't have to look so much stuff up.
>
> The code depends heavily on macros so my idea of using a table of
> pointers to support the 6803 in the same code would require too much
> work.  I have some ideas but until I get further into the generator I
> won't know what approach to take.   Worst case I could just build a
> new version just for it.  Yanking code out is easier than putting  
> it in.
>
> I'm not real worried about proving anything.  I wanted to build a
> compiler for another CPU and this was a way I could see how other
> compilers were implemented.
>
>
> --- In ColorComputer at yahoogroups.com, "Boisy G. Pitre" <boisy at b...>  
> wrote:
>
>> Impressive.  Since you're searching for math libraries, I presume
>> that you've actually got the compiler to emit some 6809 code?   If
>> so, that's pretty good progress for a big talker like yourself,  
>> James.
>>
>> Keep it up and you just might prove some of us wrong.
>>
>> Boisy
>>
>>
>>
>> On Jul 18, 2005, at 7:23 PM, James Diffendaffer wrote:
>>
>>
>>> --- In ColorComputer at yahoogroups.com, "James Diffendaffer"
>>> <jdiffendaffer at y...> wrote:
>>>
>>>
>>>
>>>> I think there are some free ANSI math libs for the 68hc11 which is
>>>> pretty close to the 6809.  It would give someone a start if  
>>>> building
>>>> new ones.
>>>>
>>>>
>>>
>>> http://stephane.carrez.free.fr/m68hc11_newlib.php
>>>
>>>
>>>
>>>
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>
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