What program are you trying to run?

> I've mounted my drive and started my DOS program successfully.

Details please. Exactly how did you mount and start it?

I have a PC with the following specs -
P4 3.0gHz
ASUS P4C800-E
1gb RAM
Radeon 9600XT
XP Home

I have a program P4000 that I use to exchange data between my PC and a RC transmitter.

I started DosBox
at the Z:\ prompt entered mount c c:\pc4000_20.pc
I then ran the batch file and my program started. I have got the serial port to work now so there is communication between the program and the transmitter.
In the program, one of the menu items can load a data file from disk. In the native DOS it lists only available drives including subdirectories and I can load or save a file to disk. In DOSBox it lists drive letters from A - Z but they are not accessible and no subdirectories are shown.
I have also tried including mount a a:\ to see if it registers the a drive in my program. It is accessible at the DOS prompt but not from within the program.

Thanks for your help

Hmm... I would have expected the C drive to be available. Try mounting your diskette with the floppy option:

Z:>mount A A:\ -t floppy

and the C drive with the ioctl option:

Z:>mount C C:\pc4000_20.pc -ioctl

Minimax thanks for your reply.

Unfortunately neither option works. As I said in my earlier post, it works on both a DOS machine and from the XP DOS prompt. (I can't use the XP command line to run the program as the COM port I require does not work in XP but we now have it working in DOSBox).

Any further help would be appreciated.

George

This P4000 program - is it the one they talk about here?
http://www.rc-soar.com/multiplex/4000/p4000/p4000_readme.htm

Could you try it without the programs name?

Mount C: C:\

Then use navigate to the program's folder and run it.

Minimax - Yes that is the program.

Avatar - I can run the program okay mounting the drive and folder but when in the program it can't find any of my logical drives.

George - I downloaded and installed the program, but I am not sure which menu and what file you are trying to load.

Here is what I did:

1. Made a directory called I:\Downloads\P4000.
2. Made 2 subdirectories named A and C.
3. In the P4000 directory, I made a simple dosbox.conf file containing this:
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   1[autoexec]
   2
   3mount C "I:\Downloads\P4000\C"
   4mount A "I:\Downloads\P4000\A" -t floppy
   5
   6C:
   

4. Unzipped the downloaded P4000.zip into the A directory.
5. Edited the A\zzz.bat file to solve a problem with DOSBox's version of xcopy and rename to read:
   
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   1cls
   2echo off
   3
   4if NOT "%1" == "" goto copy
   5echo.
   6echo Zum Installieren der Software geben Sie :
   7echo.
   8echo                  install.exe
   9echo.
   10echo ein.
   11echo.
   12echo.
   13echo.
   14goto ende
   15
   16
   17:copy
   18mkdir %1
   19copy INSTALL.EXE %1
   20copy ZZZ.ovl     %1
   21copy ZZZ.bat     %1
   22
   23if EXIST %1zzz.exe      del %1zzz.exe
   24rename %1zzz.ovl %1zzz.exe
   25
   26%1zzz.exe %1 -y
   27
   28del %1zzz.*
   29del %1install.*
   30
   31:ende
   

6. Started DOSBox with the little dosbox.conf from the I:\Downloads\P4000 directory
   (C:\Program Files\DOSBox\dosbox.exe -conf "I:\Downloads\P4000\dosbox.conf")
7. In DOSBox, made the A-drive my current drive:
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   1C:>A:
   2A:>A:install
   

8. Installed the program into the default location (C:\P4000_20.PC).
9. Changed to C:\P4000_20.PC and started the program using the START.BAT file.

What should I do then?

Here is a screen dump as to how the dialogue box should look.[/img]

Here is how it looks in DOSBox [/img]

I should have also said -

from the P4000_20.PC folder
Start <Enter>
Press the <Alt> key to obtain a "connection"
It will say "Connection established"
Press the <Alt> key to select "Model"(may have to press a couple of times)
With "Model" highlighted press <Enter>
Scroll down to the last menu item press <Enter>

The screens shown in my previous post are the result - the first one is as it should be, the second, as it appears in DosBox

Seems to work for me? You just have to scroll all the way down (using the Arrow-Down key) to get past all the drives (A, B, C, ....., Z) that DOSBox seems to invent for you.

What can I say MiniMax - I look pretty dumb now 😦

I saw the drives and tried to select and got caught up in the focus on C and A without scrolling down to the bottom!

Thanks for showing me the importance of keeping an open mind 😁

I still can't get the A drive to work but that's not so important.

George

G'Day all - I think the reason for all the drives in P4000 is because DosBox registers with drive 'Z', so DosBox probably assumes all of the ones in between are available too..

Can we mount the default 'Z' as 'D' or something?

Cheers,

Stu

Well usually in DOS you'd set Lasdrive= to be your last drive. I'll have to load up VPC and see if it actually made the drive letters in between show up.

Patch: don't show 1000 unused drives.

Excellent. Was playing around with Windows 3.1 in DosBox last night and the pesky A-Z was there in File Manager like always. (Thankfully it's just 26 letters and not a 1,000 tho 😉 )

my thanks as well