Re: [cc65] Sunplus target support

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From: Wallace White (
Date: 2003-11-06 16:59:15

Ullrich -

Thanks for your reply. Sunplus is a little odd about guarding their 
datasheets. Almost no one has heard of them because of it, I think, 
though they have a number of big customers in the toy industry and now 
higher markets too.

I'm asking the folks at Sunplus and Spectrum Rep (their US 
representatives) about a C compiler. I'll let you know if I find 
anything interesting--and if I manage to get cc65 to work.


Ullrich von Bassewitz wrote:

> Hi!
> On Wed, Nov 05, 2003 at 05:19:13PM -0800, Wallace White wrote:
>>Does cc65 support Sunplus as a target? I found a discussion from 2000
>>on this mailing list about Sunplus but I wasn't sure what the answer
>>was. It would be great to have a C compiler.
> The Sunplus instruction set is "proprietary and confidential", I had to sign a
> NDA just to get the PDFs documenting the instructions.  So the answer to your
> question is: No. I remember vaguely that someone wanted to ask Sunplus for
> permission, but I think nothing happened.
> It may be possible that the controller you're using is binary compatible to
> the 6502. I don't know if Sunplus ever produced such chips, but if this is the
> case, then you will be able to use cc65 by just switching to the 6502 CPU.
> Regards
>   	Uz

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