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I have to admit that I don't really understand the exception dump information, but the first three lines are:

Exception Information
Code: 0xc0000005 Flags: 0x00000000
Record:...

I'm having trouble with dynamic memory allocation. Using VC (toolkit 2003) on XP and programming C (not C++), I'm using a lot of malloc/free function calls.

All went fine until today. At a certain...

Hi,

Has anyone ever tried the IOCTL_DISK_FORMAT_TRACKS_EX control code with the VisualC DeviceIoControl() function ?
It uses a struct of type FORMAT_EX_PARAMETERS as an input buffer, but I don't...

OK, a nightmare has come true :-)
So I have to write a driver. Sounds like fun !
I will start reading some books on the WinXP OS architecture and driver development...

Thanks for the feedback...

Thanks Smurf for the reply, although the news you bring is not the one I wanted to hear :-)

Anonytmouse, yes I tried your code. It worked perfectly for 720K disks.
When I used my 800 K floppy...

Mmm... I still have a problem.
- VWIN32 seems not to be compatible with WinXP - it only works for 95/98/ME. The VWIN32 codes would have been the solution though :-)
- For WinXP I don't find a...

Thanks for the replies !

I will check the material on the links, seems like I might succeed in my project :-)

Are the VWIN32 control codes compatible with WinXP ?

Thanks

Hi all,

Does anyone know if it is possible to access a floppy disk in Windows (XP) directly via BIOS-calls ?
I want to read 800 Kb DSDD floppies, i.e. 80 tracks, 10 sectors, 2 sides. The default...