Re: New DOS mouse driver for VirtualBox/VMware/ PS/2 mice

Posted on 2024-01-10, 00:42

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by javispedro1

in Release Announcements

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Assuming you have the DDK, and have the vad.asm file patched... how do you actually compile the driver from the DDK? There seems to be very little information available on this topic. You have to put the DDK's TOOLS directories in your path, e.g. SET PATH=C:\WINDDK\386\TOOLS;C:\WINDDK\286\TOOLS …

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Re: New DOS mouse driver for VirtualBox/VMware/ PS/2 mice

Posted on 2023-12-16, 13:50

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by javispedro1

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I'm looking for a windows mouse driver that supports the mouse wheel on WFW 3.11, via the PS/2 port . If vbados can't do this then we can stop here. To the best of my knowledge, VBADOS is the only one capable for PS/2 , as it implements a bunch of hacks required to do that. You can see a bit of the …

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Re: New DOS mouse driver for VirtualBox/VMware/ PS/2 mice

Posted on 2023-12-15, 23:31

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by javispedro1

in Release Announcements

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After trying out vbados in a new installation of Windows for Workgroups, found a problem. On exit of Windows back to DOS, touching the mouse causes the message "Divide Overflow" to appear, followed by the computer freezing. Therefore I was forced to remove vbados. Note that I designed & use VBADOS …

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Re: Running Windows 98 on newer hardware w/o hypervisor

Posted on 2023-06-16, 13:18

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by javispedro1

in PC Emulation

in PC Emulation

Hello. I am wondering if someone who has had a job in the industries of computer science and engineering could help me get my ideas in order. Is there a cost effective way I could have developed by paid experts a means of running Windows 98 using SeaBios on a hardware target that is both supported …

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Re: Intel publishes a white paper on x86S, a 64-bit only architecture

Posted on 2023-05-24, 11:18

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by javispedro1

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I see x86-S as an attempt which in theory would reduce CPU die size and make it more efficient by removing legacy stuff that aren't used in modern software development (x87 FPU, port-mapped I/O, 16-bit addressing mode, etc). But the "die size" of this is completely insignificant -- it was already …

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Re: Intel publishes a white paper on x86S, a 64-bit only architecture

Posted on 2023-05-20, 14:07

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by javispedro1

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VirtualBox actually is trying to bring back binary translation (to run under Apple Silicon). But yes, this is a pretty big deathblow to 16-bit virtualization (and native running...). And likely 32-bit OSes too. I don't understand why Intel would do this -- the power/performance improvement is likely …

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Re: Patch for Windows 95/98/98 SE/Me to run on newest CPUs

Posted on 2023-03-01, 19:32

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by javispedro1

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Running 98 SE on a intel 13700x , I saw the same error messages as in the missing TLB invalidation screenshot, both virtualization as well as booting it natively, so I guess we can add the intel 13th gen to the list of affected CPUs. If someone has done experiments with similarly newer Intel CPUs ( …

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Re: EtherDFS - a network drive for DOS

Posted on 2023-02-26, 19:36

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by javispedro1

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Do EtherDFS drives report the correct free space on the server and LFN (assuming a TSR is loaded fro LFNs) or is it short names with a max 2GB? TIA! No and no. The network redirector interface only has 16 bits for reporting the disk size, in terms of cluster size, so 32 K * 65 K ~ 2GB. Most DOS …

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Re: haxm discontinued by Intel

Posted on 2023-02-24, 11:50

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by javispedro1

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I don't understand what they messed up in whpx that everyone complains it as being slower. (Even VirtualBox guys)

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Re: Good DosBox on tablets?

Posted on 2023-02-05, 16:14

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by javispedro1

in DOSBox General

in DOSBox General

You can also get a small x86 tablet and use regular Windows and regular Dosbox on it. E.g. older "Atom"-based Surface Gos are likely available for 200-300$ now and they have more than enough horsepower for Dosbox (not for 86Box, though). I used to run my own fork of Dosbox on Nokia Maemo phones …

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Re: Current status of VirtualBox's legacy support

Posted on 2023-01-30, 00:34

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by javispedro1

in PC Emulation

in PC Emulation

Personally, this worries me a bit. The statement is a bit hollow, I think. The specs of the test system are not just vague, but unknown, even. . I think that one of the main pros of (2D/GDI) hardware acceleration would be in emulation, where e.g. the native Windows rendering code would be run under …

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Re: Getting a lot of invalid page fault errors in Windows 98

Posted on 2023-01-29, 00:23

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by javispedro1

in Marvin \ Software

in Marvin \ Software

These "temporary file names" remind me of some CD copy protection schemes, e.g. SafeDisc/SecuROM. I wouldn't have paid much attention to it, but since you mention the problem is related to an IDE controller setting...

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Re: Current status of VirtualBox's legacy support

Posted on 2023-01-23, 20:07

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by javispedro1

in PC Emulation

in PC Emulation

SB16 has always been in a purgatory state of working/not working. The main wave part works but the midi part doesn't. VMWARE SB16 doesn't work either. I mean it works but not the MIDI part of it. Since 2015ish VMware has a bit of initial support for SB16 FM (OPL3) & MIDI. It is hidden behind a .vmx …

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Re: Changing the PATH from the command line?

Posted on 2023-01-22, 18:02

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by javispedro1

in DOS

in DOS

CraigAB69 wrote on 2023-01-22, 09:33: Which manual? Page? "help set". Examples section. The same example survives to this day in MSDN: https://learn.microsoft.com/en-us/windows-ser … /set_1#examples

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Re: Changing the PATH from the command line?

Posted on 2023-01-22, 09:19

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by javispedro1

in DOS

in DOS

CraigAB69 wrote on 2023-01-21, 23:24: So how can I extend the PATH in DOS without retyping the whole path? A batch file. Something like ap.bat as you mention above is actually described in the manual. (It will change the environment of the main shell. ).

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Re: Changing the PATH from the command line?

Posted on 2023-01-21, 22:51

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by javispedro1

in DOS

in DOS

DOS never did this %..% variable substitution in the interactive command line. It was only available in batch files, and the FOR command. This is unlike NT's and 4DOS, I believe.

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Re: Windows 98SE on Vmware with 4k resolution

Posted on 2023-01-15, 15:58

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by javispedro1

in PC Emulation

in PC Emulation

You can trivially do 4K Windows 9x (and more) under VirtualBox with the open driver @ https://www.os2museum.com/wp/windows-9x-video-minidriver-hd/ Just edit the .inf file before installation to add the resolutions you'd like, as the author recommends on the blog post. Or after installation change …

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Re: Current status of VirtualBox's legacy support

Posted on 2023-01-15, 11:44

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by javispedro1

in PC Emulation

in PC Emulation

sound is the prime complaint when trying to run a DOS-based Windows (SB16 is broken) It's not that bad, give poor ol' little VirtualBox a bit credit :) Many games and OSes do work out of the box, that thread is a bit too aggressive :) I'll buy that for DOS gaming it's probably hit or miss, and …

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Re: New DOS mouse driver for VirtualBox/VMware/ PS/2 mice

Posted on 2023-01-01, 16:28

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by javispedro1

in Release Announcements

in Release Announcements

Example: The last free ShellEx with Execute option in 98 SE with KernelEx (for bypass GetVersionExA) https://www.softspecialists.com/utilities/smallutilities The problem is only with dos prompt window ( 16 bit subsystem problem in a 32 bits windows may be ) if the focus is on dos prompt window, not …

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Re: VMusic - OPL3, EMU8K and MPU-401 for VirtualBox (Linux hosts only)

Posted on 2023-01-01, 16:11

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by javispedro1

in Release Announcements

in Release Announcements

digger wrote on 2022-12-25, 19:54: Or would it? How easily adaptable does the code seem to you? I'm not very experienced with C and C++ projects myself. It's probably trivial to add support. But I have not yet found an excuse to buy one of these OPL USB chips myself 😀

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