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Date:	Wed, 27 Feb 2008 12:43:20 -0800
From:	Jim Michaels <jmichae3REMOVE AT THISPLEASEyahoo DOT com>
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Subject:	Re: 64-bit int? segment-offset pointers? and biosdisk.c
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Rod Pemberton wrote:
> "Jim Michaels" <jmichae3REMOVE AT THISPLEASEyahoo DOT com> wrote in message
> news:4a-dnX9djZFzTSLanZ2dnUVZ_rmjnZ2d AT comcast DOT com...
>> does gcc handle a 64-bit int in 2.03?  if so, what type is it called?
>>
>> I was hoping to see if I could rewrite the existing biosdisk library
>> with the new int13h extensions (as of 1995).
>>
> http://www.phoenix.com/NR/rdonlyres/9BEDED98-6B3F-4DAC-BBB7-FA89FA5C30F0/0/specsedd11.pdf
>> contains a reference to these, which refer to LBA methods of accessing
>> the disk as well as chs, but using subfunctions 41-4e, and there is an
>> eject media check function in int 15h.  similar documents exist.
>>
>> biosdisk.c contains code that is now out of date for modern sized disks.
>>
> 
> EDD version 1.1 is dated May 9, 1995.  EDD version 3.0 revision 0.8 is dated
> March 12, 1998.
> 
> EDD v3.0r0.8
> http://www.phoenix.com/NR/rdonlyres/19FEBD17-DB40-413C-A0B1-1F3F560E222F/0/specsedd30.pdf
> 
> 
> Rod Pemberton
> 


I just got my first test program working. well, sort of. it does 5000 
random seeks.
while the functions succeed on my dell computer which is more up-to-date 
(2004) however it doesn't do any seeking, the Extended Seeks fail with 
error 02 (Bad Address Mark) on my earlier ASUS A7V-E (circa 137GB bios 
limitation), failing fast on the zeroed disk and slow on the xp disk.
The disk is not bad.  it has  a working windows XP on it.
I don't understand what's going on.
the program did successfully get the disk parameters.
-- 
  Jim Michaels
  for email, edit the address

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