Re: [sdcc-devel] TLCS-90

[Philipp K. K. <pk...@sp...>]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Am 20.09.2013 12:55, schrieb Maarten Brock:
> Beware, the __sfr keyword does more than just use IN/OUT. It also
> marks the data volatile. If the TLCS90 has no IN/OUT instructions I
> suggest not to accept the __sfr keyword. AFAIK it was introduced to
> indicate a different memory space. If the TLCS90 is completely
> VonNeumann there is no need for it.
> 
> Maarten
> 

Yes. And the same should be done for gbz80, that, just like tlcs90,
has no dedicated I/O space, and instead has special instructions for
accessing memory at 0xff00 to 0xffff.

Philipp

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.14 (GNU/Linux)
Comment: Using GnuPG with Icedove - http://www.enigmail.net/

iEYEARECAAYFAlI8LIQACgkQbtUV+xsoLppHNQCeJX5TnSajMi+ZGnWFaisx/mdo
EDcAn2UCRJw0ZVm/4Sbth9TH0AEXWipD
=v1m/
-----END PGP SIGNATURE-----