--- Siebe Berveling <[EMAIL PROTECTED]> wrote:
> > I want to replace DOS2 kernel of my Suncrise IDE interface with
> > another version.
>
> It may be a dumb question, but why would you need to, or want to?
> Afaik there's only one DOS2 rom which is copied in several harddisk
> interfaces. For the use of DOS2.20 or DOS2.32 or even DOS2.40 there's
> no
> need for another ROM. The difference between these versions is only
> found in
> the files COMMAND2.COM (and maybe, i'm not very sure about this, also
> MSXDOS2.SYS). Which should be on your boot drive.
MSXDOS2.SYS patches the kernel. It passes all buffers through page 3 to
the kernel, and it copies register A in H and B in L (for CP/M
compatibility).
By the way, I have just finished debugging MSXDOS2.SYS v2.30 (can
somebody provide me with v2.32???). I have fully (well, except for the
error handling routines) commented the sourcecode. Mail me if you would
like to have it.
~Grauw
=====
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