] There only exists a MSX-Dos KERNEL v2.20, but the MSXDOS2.SYS-program is
This is not true. The MSX turbo R ST has a KERNEL v2.30 and the GT has a
KERNEL v2.31.
The main difference between 2.20 and 2.30 is that 2.30 has support for the
R800. That is, it switches to Z80 mode before calling the low level drive
access routine and back to R800 mode when done with the low level drive
access routine. This is needed to prevent timing problems, especially with
the head repositioning. I do not know the exact difference between 2.30 and
2.31. I guess that 2.31 has some bug fixes. But not enough as there are still
some subtle bugs in the CPU switching routines :-(
Best regards,
Alex
--
Alex Wulms/XelaSoft - MSX of anders NIX - Linux 4 ever
See my homepage for info on the *** XSA *** format
http://www.inter.nl.net/users/A.P.Wulms
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