[TUHS] System III - TCP/IP

Derek Fawcus dfawcus+lists-tuhs at employees.org
Sun Nov 8 15:10:28 AEST 2015

On Sat, Nov 07, 2015 at 11:13:38pm +0100, Oliver Lehmann wrote:
> It is basically a pcc as of 1981 with whatever Zilog hacked into it
> additionally. I once tried to get a current pcc onto the system but...
> yeah... I guess I lack skill ;)
> - the new PCC would need to create Z8001 ASM code.... something I lack skill.
> - an optimizer... haha...  no way I could  even optimize Z8001 ASM code by
>    hand ;)
> - if a new linker is needed - how to create Zilogs s.out format...
> - I guess I would need to recompile the whole kernel with this new compiler
>    to have every object work "together" - but I still lack some sources (most
> of them I "retranslated" from disassembled object files to C code - but 2 or
> 3 are just are too hard to retranslate)
> I also had a look at the C-Compiler which comes with Plexis SYSIII (which
> is available as source somewhere in the WWW) but this is a compiler capable
> of non-segmented executables (one 64K segment adressable) only but I need a
> Compiler creating segmented executables (128 64k segments accessable = 8MB
> address space)

Older versions of gcc (around 3.3/3.4) supported the z8000 family,  so you
could try using it to make things easier.  Have a look here:
which seems to be a version supporting segments - the '-mz8001' switch.


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