From: drew@juliet.cs.colorado.edu (Drew Eckhardt) Subject: Re: Editing Linux boot diskette (Re: (0.95c+) How can I use my HD as the root directory ?) Date: 1 May 1992 04:51:19 GMT
In article <1992Apr30.082600.3828@nntp.hut.fi> jkp@cs.HUT.FI (Jyrki Kuoppala) writes:
>In article <1992Apr20.214416.18445@ccu.umanitoba.ca>, rahard@ee (Budi Rahardjo) writes:
>>harddisk as root. INSTALL-0.11 says:
>
>I didn't have a real binary editor available so I had to use the
>MS-DOG debug command. It didn't work with offset 508 (0x1fc), instead
>the word was in offset 0x2fc (508 + 256). I guessed this on my own
>and it worked.
>
This is because Debug assumes that you are debugging a real program,
and by default loads at offset 0x100 into the segment (the 256 byte
PSP goes before that).
Explicit load commands allow you to specify a different address too.