Re: [Freedos-user] Shared folders in VirtualBox

2022-04-26 Thread Javier
On Tue, 2022-04-26 at 12:56 +0200, Eduardo Casino wrote:
> 
> It is correct that VMWare does not provide guest additions for DOS,
> that is why I developed vmsmount, which implements just the shared
> folders interface. 


Wow vmsmount code is very nice! One of the cleanest examples of a
redirector in Watcom C that I have seen. Wish I had seen this before.
The only other one I knew is EtherDFS. 

Add mine to the list of GPL Watcom C redirectors now, not as clean :)
https://git.javispedro.com/cgit/vbados.git/tree/sftsr.c
(Targeting VirtualBox, see the other email for details)

I actually based it on the 1st edition of Undocumented DOS aka Pascal,
not the 2nd...
Is there any DOS program you'd recommend to exercise uncommon/likely
broken functionality in a redirector? Something that you remember
brought a headache or two? 

For example for the SeekFromEnd() function I never found any DOS
program using it, so I also found no reason to implement it 
But Windows 9x does call it (even notepad crashes without it).

Thanks,
Javier.


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Re: [Freedos-user] Shared folders in VirtualBox

2022-04-26 Thread Javier
El lun, 25-04-2022 a las 17:32 -0700, jkendzi escribió:
> I am trying to setup a shared folder between my VirtualBox/FreeDOS
> and my /home/documents folder.
> 
> I am having difficulty with this setup, is there another way to
> access a folder on the host or another attached drive to the host?

Hello,

I have recently been working on making a VirtualBox shared folders
client/redirector. I tested it on FreeDOS 1.2 and it seems to work. 

See https://git.javispedro.com/cgit/vbados.git/about/
Or https://forums.virtualbox.org/viewtopic.php?f=4=105823 

It also includes a int33 mouse driver with VBox integration.
(Note however that attempting to use it with FreeDOS' EDIT 
results in freezing the VirtualBox UI, since EDIT seems to be spamming
the int33 hide/show cursor calls at very high frequency and the driver
just forwards them directly to the VirtualBox UI. May need some rate
limiting there. However it works with most other programs including
MS's EDIT). 


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Re: [Freedos-user] USB to serial adapters and soundcard emulation on FreeDOS

2015-01-13 Thread Javier De La Rosa Perigault
Para : GuillemDe    : Javier De La Rosa Perigault           e-mail : 
jdlrp...@yahoo.com
Hola:A.  Necesito hacer un disco multi-partición, que por lo menos contenga     
 una partición con el equivalente de MSDOS 6.22, y una partición       de Linux.
      Me puede ayudar ?
Gracias,Javier De La Rosa Perigaultx 

 On Tuesday, January 13, 2015 5:13 AM, Guillem guilevi2...@gmail.com 
wrote:
   

 I’ve tried DOSemu with the Orca screenreader before. it could read the screen 
in terminal or dumb mode, but for some reason, when new text scrolled into the 
screen, the screenreader read the whole screen. Haven’t had a chance to try 
this with speakup, and right now I doubt I could anyway since I somehow busted 
my speech dispatcher and my Orca’s pretty much dead.
I believe VMWare is trying to emulate a Sound Blaster 16, or that’s what it 
says on the vmx file. I haven’t looked up much info about the soundcard under 
DOS though. What I do know is that VMWare does try to use a PC speaker, and 
windows doesn’t let it do that. For most vintage audiogames the PC speaker 
beeps are used to help you aim so they’re sort of important.


 On 12 Jan 2015, at 20:24, Eric Auer e.a...@jpberlin.de wrote:
 
 
 Hi Guillem,
 
 In response to Eric, I have tried DOSemu and I did manage to get the
 serial ports to work. I had a few problems with it, though. Neither the
 PC speaker or the Sound Blaster worked. To be honest I’m not sure if the
 netbook I was running it on has a PC speaker anyways.
 
 Normally, Dosemu uses the soundcard of your PC, not the
 built-in speaker, and emulates a Sound Blaster for DOS.
 
 Another one of my problems with DOSemu is that, for some reason, when i
 tried to use my DOS screenreader's review mode, the either the emulator
 or the reader crashed. I can’t get out of review mode and my only way
 out is by exiting the emulator. I could of course use terminal or dumb
 mode but those don’t like some of the games I’ve tried, such as Eamon
 Deluxe.
 
 My suggestion was to use not a screen reader for DOS, but
 to use a screen reader for Linux. When you then run a DOS
 game in dosemu, the screen reader should be able to read
 that, too. It can help to use the text-only mode of dosemu,
 which is admittedly less cool than the graphical xdosemu.
 
 My most stable alternative right now is my Windows 3.1 VMWare virtual
 machine, which actually works pretty well both in DOS and Windows mode,
 
 Interesting idea!
 
 except for the sound blaster which only works inside Windows. I might
 postpone the dualboot until a better alternative is available since I
 don’t think I’ll purchase a new laptop just for this.
 
 The so-called Sound Blaster PCI and Sound Blaster Live came
 with their own DOS software which emulates a Sound Blaster:
 Despite the name, those PCI sound cards actually have more
 AC97 style hardware, so their DOS support only works through
 their DOS TSR driver which seems to work quite okay once
 you get it to work... Of course this does not help you for
 a laptop, as you cannot exchange the soundcard there. Also,
 I am not aware of DOS SoundBlaster emulation drivers for USB
 sound sticks. Beyond the suggested dosemu and dosbox trick.
 
 Regards, Eric
 
 
 
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Choose from 2 high performing configs, both with 100TB of bandwidth.
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