SA1988 wrote:

I'm adding support for Windows 2000 as a guest on PCem 😀

That sounds awesome! Windows Millennium and Windows 2000 were the last operating systems to run on a 486-based processor. Windows XP requires a Pentium processor or better. Pentium based emulation is something that we haven't add support for yet.

What would also be awesome is support for multiple configuration files and adding the ability to saving and loading PCem configuration files other than PCem.cfg by default.

seeing how Windows Millennium Edition actually runs on PCem (with some caveats), why not Windows 2000 too? (even though they are from different OS families).

SA1988 wrote:

seeing how Windows Millennium Edition actually runs on PCem (with some caveats), why not Windows 2000 too? (even though they are from different OS families).

I have ran Windows 2000 on my host PC before for four years and I'm currently running it under VirtualBox right now. So, yeah...I think that it would be a good idea to implement Windows 2000 support under PCem in upcoming revisions of PCem. 😀

another reason of implementing support of Win2000 on PCem is because MESS 0.153 can run it in the at486 driver.

SA1988 wrote:

another reason of implementing support of Win2000 on PCem is because MESS 0.153 can run it in the at486 driver.

Awesome! 😀 I don't know if Windows 2000 will run with the AMI WinBIOS 486 or Award Sis496/497 drivers yet.

ppgrainbow wrote:

SA1988 wrote:

another reason of implementing support of Win2000 on PCem is because MESS 0.153 can run it in the at486 driver.

Awesome! 😀 I don't know if Windows 2000 will run with the AMI WinBIOS 486 or Award Sis496/497 drivers yet.

it can run in the Award 430VX PCI one, it just needs some work in the cpu emulation as Win2000 makes use of the REP NOP instruction.

SA1988 wrote:

ppgrainbow wrote:

SA1988 wrote:

another reason of implementing support of Win2000 on PCem is because MESS 0.153 can run it in the at486 driver.

Awesome! 😀 I don't know if Windows 2000 will run with the AMI WinBIOS 486 or Award Sis496/497 drivers yet.

it can run in the Award 430VX PCI one, it just needs some work in the cpu emulation as Win2000 makes use of the REP NOP instruction.

Thank you very much! What about the IDT WinChip BIOS?

the Award 430VX uses the IDT WinChip one

SA1988 wrote:

the Award 430VX uses the IDT WinChip one

Thank you very much for telling me. 😀

Windows95Fan wrote:

Because of the following lines in the nvr.c file, I can't change the virtual PC BIOS time and date on PCem: […]
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Because of the following lines in the nvr.c file, I can't change the virtual PC BIOS time and date on PCem:

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1void getnvrtime()
2{
3        int c,d;
4        uint8_t baknvr[10];
5//        memset(nvrram,0,10);
6//        return;
7        memcpy(baknvr,nvrram,10);
8        GetLocalTime(&systemtime);
9        d=systemtime.wSecond%10;
10        c=systemtime.wSecond/10;
11        nvrram[0]=d|(c<<4);
12        d=systemtime.wMinute%10;
13        c=systemtime.wMinute/10;
14        nvrram[2]=d|(c<<4);
15        d=systemtime.wHour%10;
16        c=systemtime.wHour/10;
17        nvrram[4]=d|(c<<4);
18        d=systemtime.wDayOfWeek%10;
19        c=systemtime.wDayOfWeek/10;
20        nvrram[6]=d|(c<<4);
21        d=systemtime.wDay%10;
22        c=systemtime.wDay/10;
23        nvrram[7]=d|(c<<4);
24        d=systemtime.wMonth%10;
25        c=systemtime.wMonth/10;
26        nvrram[8]=d|(c<<4);
27        d=systemtime.wYear%10;
28        c=(systemtime.wYear/10)%10;
29        nvrram[9]=d|(c<<4);
30        if (baknvr[0]!=nvrram[0] ||
31            baknvr[2]!=nvrram[2] ||
32            baknvr[4]!=nvrram[4] ||
33            baknvr[6]!=nvrram[6] ||
34            baknvr[7]!=nvrram[7] ||
35            baknvr[8]!=nvrram[8] ||
36            baknvr[9]!=nvrram[9]) nvrram[0xA]|=0x80;
37}

Actually that bug can be reproduced by:

1. Booting the AMI 486 WinBIOS.
2. Entering SETUP.
3. Choosing Standard and then Date/Time.
4. Pressing - or + in the numeric keypad side.

I wouldn't consider the emulated machine having the correct time and date as a bug.

Sarah, are you willing to support Win2000 as a guest on your emulator, so far it gets a 0x7B error (inaccessible_boot_device, second parametre is 0xc34, the rest are all 0x00)
I think it also requires the rep nop instruction.
edit: well, seeing how you got WinME working, I think your emulator should support Win2000 since WinME is after Win2000, though from different OS families (Win2000 is NT and WinME is from DOS)

That's a strange question. It can run on the emulated hardware, so it should.

SarahWalker wrote:

I wouldn't consider the emulated machine having the correct time and date as a bug.

However, betas of operating systems will require us not to have the emulated machine with the correct time and date.

Aren't final Windows releases 'beta' enough?

Sarah doesn't have to support the fantasies of 'window's beta' kids.

nvm, Win2000 works now, I have added some patches to 386.c and I will release them soon.

SA1988 wrote:

nvm, Win2000 works now, I have added some patches to 386.c and I will release them soon.

Good work! I can't wait to see the patched 386.c file out soon! 😁

Update: On the side note, as Windows 2000 and Windows Millennium are the last versions of Windows that will work with PCem, Windows XP requires Windows Product Activation for which it won't work at all with PCem. I was lucky enough to get Windows XP installed inside VirtualBox...so, I might even try to install PCem on Windows XP inside VirtualBox! 😀

SA1988: Great, thanks! Can you PM me the details of what needed fixing? I was already aware of the need for REP NOP, but forgot to check it in with the previous NT fixes.

Before anyone inevitably asks, Windows 2000 is the last version of Windows that will run on the hardware PCem emulates, so there's no point at present in trying to get XP working.

Windows95Fan: I already had this conversation with you several pages ago. I don't want to have it again.

Edit: Hang on, are you Javier Donoso again? In any case, welcome to my ignore list.

I'd like to thank you Sarah and the other contributors to this emulator. It's a wonderful project. Also I'd like to ask you Sarah are you going to add support for other peripherals, devices? Like soundcards and videocards. I remember you started working on the ViRGE emulation. In any case thank you guys again. 😊
Cheers

UBCD? Keyboard does not work also hangs here