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Index > MenuetOS > rd2fd program

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c#6



Joined: 20 Apr 2004
Posts: 25
c#6
This program is cool, but can it write individual files to the disk? Or, maybe read files from the disk and copy them from the disk to the ramdisk or HDD?

Clicking MENU -> QUIT -> OK -> key 1 - works just as well as this proggy.

Programming rule #1:

* never write a program that does the exact same thing as a program that already exists.
Post 17 May 2004, 17:47
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bloglite



Joined: 21 Feb 2004
Posts: 109
Location: East Tennessee U.S.A.
bloglite
Some machines LOCK @ the Quit screen.

Most likely that is why rd2fd was written/included.

I may be wrong. Rd2fd IS useful for that reason.

Later, Mark
Post 17 May 2004, 20:02
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Tolle



Joined: 21 Jan 2004
Posts: 71
Tolle
Well, i'm working on code that does exactly that: write a single file to the disk.
But, as always, time is not my friend Smile

rd2fd is written as a step in the direction of a full floppy driver (read/write single files) it's 32bit protected mode code directly talking to the hardware (& using the floppy interrupt) versus 16bit real mode bios calls.

Groenten,
Tolle.
Post 17 May 2004, 21:48
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c#6



Joined: 20 Apr 2004
Posts: 25
c#6
Ok, I will take that back.

I think I just might contribute and add some code to this driver ...

Even though floppy disks are fading fast, I can't do without floppy access when my laptop doesn't have a hard drive.

I would also like to create a CD/CD-RW driver for Menuet. What do you think? Wink
Post 18 May 2004, 14:18
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ASHLEY4



Joined: 28 Apr 2004
Posts: 376
Location: UK
ASHLEY4
You can use some of my code for the cd-driver,its writen with fasm and is 95% done,but will need converting to menuet, Which should be easy because it use's just ports.
You can get the OS including cd-driver code from here: http://www.falconrybells.co.uk/
It's called TestOs.zip

ASHLEY4.
Post 18 May 2004, 16:11
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c#6



Joined: 20 Apr 2004
Posts: 25
c#6
I downloaded the code for the TestOS. Which files comprise the CD driver?

For reading the CD in MenuetOS I think that I can use syscall:

24 = ebx 2 - get playlist size of ecx to [edx]
ebx 3 - stop

This syscall is primarily used for playing an audio CD, but it should work for reading data CDs also. By using the above syscall I could read the TOC from it and store it in memory.

I think that I will edit the Systree app so that it will display the contents of the CD.
Post 18 May 2004, 16:37
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ASHLEY4



Joined: 28 Apr 2004
Posts: 376
Location: UK
ASHLEY4
The Ata_Atapi16.inc is run to get the first cd drive address etc, Then Ata_Atapi39.inc has all the calls etc.

ASHLEY4.
Post 19 May 2004, 17:23
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c#6



Joined: 20 Apr 2004
Posts: 25
c#6
Cool. Thanks. Smile
Post 20 May 2004, 13:22
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