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4 commits

Author SHA1 Message Date
KATO Takenori
8b6a5e91bb The INT 1B BIOS call is used to obtain geometries of SASI/IDE hard 
drives.  Some IDE cards don't set propler information into BIOS work
are and their sector size were always recognized as 256 bytes/sector.

Pointed out by:	jagarl@creator.club.ne.jp
 2000-08-31 10:24:06 +00:00
KATO Takenori
77dff523b3 Fixed determination method for sector size of the 2nd IDE HDD. 2000-08-15 08:17:03 +00:00
KATO Takenori
1ee980919d - Fixed pointer to the partition table in the buffer. 
- Use shift by %cl instead of five shifts by 1.
 2000-08-03 09:00:19 +00:00
KATO Takenori
e9b13dd6ec Added PC-98 HDD boot manager. The boot0 is the `IPL' which occupies 
sector 0 of a disk and boot0.5 is the `boot selector' which starts
from address 0x400.  The IPL loads boot0.5 and boot0.5 loads bootblock
of a slice.

The boot manager stuff was developed by me (kato) with Borland C++,
and then, translated into bcc in the ports collection by Nokubi-san.
After that, boot0 has been translated into gas with the .code16
directive by Takahashi-san (nyan) and boot0.5 has been rewritten in
gas by me.
 2000-08-02 08:46:08 +00:00