25 Apr
2006
25 Apr
'06
6:53 p.m.
If this helps at all, I've been working (very, very slowly) on a port of
v32 to Intel platforms. At first I used gcc for some kernel work, but
quickly realized that it would be overwhelming to the final v7 system.
Since I don't want to do the work twice, I looked for a different compiler
suite. I switched to the ACK compiler suite and just finished the WinXP
cross compiler work. It has a pdp11 back end, which I have yet to try,
that may be useful.
It isn't gcc, but ir does do ANSI C and the i386 assembler seems to be
pretty complete. Let me know if there's any interest and I'll put it up
on my site for download.
Pat
Toby Thain napisał(a):
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On 24-Apr-06, at 9:05 AM, Wesley Parish wrote:
Yes, even running vi or csh in Ultrix (in simh pdp11) produced message :
too big. After setting cpu to 3072K it worked(setting to 4096 K hanged
the system BTW).
Cross compilation has also this advantage , that You have better editors
to Your disposal and You can work faster.
Well native cc seems to be good enough, using pdp11 in emulator we have
anyway only hobbyst license .
Andrzej
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Quoting Andrzej Popielewicz
<vasco(a)icpnet.pl>:
>Wesley Parish napisał(a):
>
>
>
It can't be done.
As others point out, the program is many times (100x or more?) too
big -- likely even gcc 1.x is far too big, but gcc {2,3,4}.x are all
meant for large 32-bit systems.
However, cross-compilation can certainly be easily done. I have made
a PDP-11 back-end for lcc[1] (not quite complete but shows that it
can be done), which is an ANSI (c89) compiler[2]. lcc is a much
smaller and simpler compiler than gcc, but its executables are still
massively outsize for PDP-11 systems.