I've written a fair amount of 360/370 assembler myself.  This was before there
were any C compilers for 370 (I did some very minor work on gcc for 370).
I suspect there might be new I/O devices these days, though.  Do you still
talk to I/O devices through the I/O controller (with selector and multiplexor
channels)?

    -- Lennart


Sridhar Ayengar wrote:

> I am hoping my experience with S/370-S/390 assembler will help 8-).  I
> would appreciate any help you could give.
>
> Peace...  Sridhar
>
> On Sun, 1 Apr 2001, Lennart Augustsson wrote:
>
> > It would be really great if you could start an IBM360 (uhh, I guess it's
> > been renamed since I did any work last, but it's still the same, mostly) port.
> > I hope I'll have some time to help.  It's been a while since I did any mainframe
> > work. :)
> >
> >     -- Lennart
> >
> >
> > Sridhar Ayengar wrote:
> >
> > > Do you yet have anyone working on a port for IBM S/390 mainframes?  I
> > > would be interested in writing one.  I have access to a P/390 (Genuine G5
> > > S/390 subsystems on PCI cards talking to each other across a PCI bus) at
> > > home and S/390 mainframes at school and at work.  I go to school at Marist
> > > College, where I was involved with the Linux/390 port, which was written
> > > largely by students and professors here.  I work at IBM Microelectronics,
> > > where I can get internal S/390 documentation (although I can't share it
> > > with anyone outside of IBM, but I can use it for external purposes).  Let
> > > me know what you all think.
> > >
> > > Peace...  Sridhar
> >