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Index > DOS > INT 13 extended

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Joined: 27 Oct 2005
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gebus 27 Oct 2005, 16:03
I am trying to write program witch copy disc sector by sector in c++. It has to work under dos. I am begginer but i think that i have to use asembler to read sectors. I've read sth about int 13h, and i know that normal interrupt can't manade with disc over 8.4Gb. Can anyone help me how to use INT 13 h Extended. I try to get hard disc parametrs at the begginig- it is neccesary or I can start from reading sectors?? i will be very grateful for some help, esspencialy links to code that reads sectors from disc (in my case 160GB or 15Gb). What is syntax of int 13h, with ah=42h, how should i write this to do it properly.
Post 27 Oct 2005, 16:03
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Matrix 28 Oct 2005, 23:34
this is a quick help:

from here,
i found some useful links:

BIOS Enhanced Disk Drive Specification March 12, 1998 Phoenix ...

ATA Extensions Document



and of course Ralph Brown's interrupt list

im on many thing now, but if i test a demonstration routine i post one.


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Post 28 Oct 2005, 23:34
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