My programms need to create temp file - how do i do this

[tonyf]

running assemblers and compilers (old dos stuff 32 bit) some of them need to create temporary files for work spaces. the ones that don't run perfectly and this system is great to use. The output files go to where that are supposed to go into the source folder

see attached jpg for the message i get.  

Thanks for a great product

Attachments:

[Jos]

Temporary DOS files are no different from other files.
DOS API provides for a function returning a random file name. Your programs will use that.
Composing that name, early vDos versions used an example code fragment published on the Internet. That however didn’t create an actually random name.
Moreover, the same code was also used by a virus program.

So I guess you use an old vDos version and your antivirus program blocks creation of that suspect file name.

Jos

[tonyf]

Thanks Jos

My AV is malware bytes it is payload oriented and generally harmless after load and go

These assembler programs were created in C years ago and it could be needing a path definition.

It may also be using a C memory allocation function that may be trying to get more post load space allocated.

is there some way to see what it is actually heading for or even just the filename it is trying for in case it needs a temp folder someplace.

Cheers Tony

[Jos]

Malware Bytes is no antivirus program. If don’t have one installed, it will be the standard Windows Defender.

You could use Process Monitor (https://docs.microsoft.com/en-us/sysinternals/downloads/procmon) to see what’s exactly going on with file i/o.

Though simpler to just install vDos version 2021.05.01 and test that.

Jos

[tonyf]

Hi Jos

I appear to be running the very latest from today

how do i get the 2021.05.01 vDos version, i looked at your site it does not seem easy to find

Thanks for the support

[Jos]

Don't know what you mean by "the very latest from today".

You can download vDos 2021.05.01 at www.vdos.info/download.html.

Jos

[tonyf]

Thanks Jos,

I downloaded it today and after we talked i down loaded another copy which is identical. what i download has nothing like the software rev level in the .exe properties file version in both cases its 0.0.0.0.

I ran the process monitor the C:\vDos stuff spawns nothing, this would suggest whatever the problem is seems internal to vDos's own task identity and the space it grabs and the way it divvies it up.

maybe you need something like Memmaker or the like or some internal diagnostic or tracer but MEM shows 576K,160K,8192K XMS

The assemblers that work are creating big files without trouble so there is something special about the temporary its trying to create on the C code compiled ones that need a big workspace

Thanks for the help
tony

[Jos]

2021.05.01 simply cannot be set as the version number of an executable. You can do ABOUT at the command prompt, or select About vDos in the system menu.

I don’t know what vDos should spawn, but Process Monitor lists all file i/o operation of vDos.exe.

Memmaker moves device drivers and TSR’s out of conventional DOS memory, but none are there in vDos. MEM should show:

C:\>mem
Free memory (KB's):
 633 Conventional
  96 Upper
16384 XMS
16384 EMS


Jos

[tonyf]

Hi Jos

ABOUT at the command prompt gives me no rev level just looks like a JPG of boiler plate text on history containing no numbers.

I get no EMS, the XMS is last in what i get I'm using win 7 Home premium. 64 bit with 8gb Ram. Its is normally my CAD system for computer musical instrument parts

I'm a bit confused about what i get using Process Monitor it looks like vDos is a totally self contained task with its own file system and the files in this system are internal so Process Monitor notices nothing. Maybe i need some pointers on getting it to spit out vDos file happenings because the connection between vDos and the windows path still seems real time and maybe i'm looking at the wrong stuff for file activity

Thanks for your help

[Jos]

ABOUT would give you:



MEM:



No doubt, you are not using vDos 2021.05.01. So no sense explaining how to get relevant information out of Process Monitor.

I suggest you get in touch with one who can help you to download the vDosSetup installation program at www.vdos.info/download.html, install and start vDos.

Jos

[tonyf]

Hi josh

just deleted everything, download a fresh copy off your site using this last link you sent. installed it and it's the same

attached jpg is from the first screen it comes up with that produces a command line, which i typed 'about' into.

this is amazing i've downloaded over the last 3 days it seems three files that seem to be identical each 2,318Kb in size

 and they all appear to be wrong.

Is there something I've missed here, is there a hidden download/upgrade after installation that is not taking place.

My end use is to create software development systems for older style non RISC MPU chips that are now being used here to train students on assembler programming ease offered by  CICS architectures that had complex i/o features. Lots of stuff is being archived using older CPUs people want these to be working archives and are prepared to pay for the tools they need.

My test bed is using the Motorola families like the MC68HC11, there are about 30 CPUs i need to address

Thanks for you help

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[tonyf]

Hi Jos

I think there may be a web cache that is holding an old version of your software since you do not put the rev level in the file name of the download.

This would account for my problem getting onto the same page as you.

[Jos]

That “vDos-Base…” in ABOUT gave away what’s going on.

vDos-Base is the last fully opensource version of vDos. That gets first installed, then patched to the 2021.05.01 version.
Previous installation programs had an option to skip the patch. But that caused confusion, so it’s now done ‘behind the scenes’.
For some reason it seems the patch isn’t performed on your system. So you end up with vDos-Base.

I’ll send you the vDos 2021.05.01 executable by wetransfer.

Jos

[tonyf]

Thanks Jos

it is running now what do i need to do to get the windows C:\vDos folder back to get files in and out from windows
I was just dropping a folder full of files into the windows porthole and they emerged in the dos world. And after running dos stuff I could get the results in windows. This was the main attraction

regards,
Tony

[Jos]

You deleted Windows C:\vDos?

Get it back from the Recycle Bin, or re-install vDos?

Jos