Search found 677 matches

by omarsis81
Mon 24 Jun, 2019 1:35 pm
Forum: General
Topic: Raspbian can't compile v15
Replies: 7
Views: 1725

Re: Raspbian can't compile v15

On a Pi3 I can run Doom 2 at 486/25, but most things are happier at 486/16. The A53 is not a fast cpu. Raspberry Pi 4 Released today! https://www.raspberrypi.org/products/raspberry-pi-4-model-b/ Now with an A-72 processor By the way, if I would like to have PCem's executable for Raspbian or the OS ...
by omarsis81
Sat 22 Jun, 2019 9:45 pm
Forum: General
Topic: PCem and Intel vs AMD processors
Replies: 1
Views: 200

Re: PCem and Intel vs AMD processors

PCem benefits from CPU that perform better in single thread, so I believe Intel takes the lead here
by omarsis81
Fri 21 Jun, 2019 3:31 pm
Forum: Development
Topic: Weird ram problem
Replies: 5
Views: 248

Re: Weird ram problem

orarsis81, On a 386 which PCem emulates, the motherboard which uses the OPTi-495SX chipset, the RAM is actually limited to 32 MB , not 256 MB. The AMI BIOS (dated June 6, 1992) will NOT even recognise more than 64 MB and will not even POST if the RAM is manually set to anything higher than 655,296 ...
by omarsis81
Fri 21 Jun, 2019 1:14 pm
Forum: Development
Topic: Weird ram problem
Replies: 5
Views: 248

Re: Weird ram problem

Like Sarah said, PCem tries to emulate real behavior of the emulated hardware, but for instance in the 386DX AMI clone you can selected up to 256 MB RAM - that is possible with very uncommon RAM sticks and expansion adapters
by omarsis81
Wed 19 Jun, 2019 12:50 pm
Forum: General
Topic: Possiblity of implementing cache emulation
Replies: 14
Views: 448

Re: Possiblity of implementing cache emulation

I'd love to have cache emulation too, but Sarah said that would cost a lot of CPU host resources
http://pcem-emulator.co.uk/phpBB3/viewt ... 508&p=3436
by omarsis81
Thu 06 Jun, 2019 2:16 pm
Forum: General
Topic: Plantronics ColorPlus and Sierra SCI0 based games
Replies: 8
Views: 672

Re: Plantronics ColorPlus and Sierra SCI0 based games

He made the Plantronics emulation
http://pcem-emulator.co.uk/phpBB3/membe ... ile&u=1312

The ATI chipset you had was this? ATI CW16800-B
by omarsis81
Sat 25 May, 2019 3:16 pm
Forum: General
Topic: CD-ROM problem of PCem V15
Replies: 8
Views: 1414

Re: CD-ROM problem of PCem V15

PCem doesn't emulate CD copy protection (AFAIK).
Try mounting the image with Alcohol 120% and then in PCem mount that drive (Alcohol unit)
by omarsis81
Thu 23 May, 2019 2:38 pm
Forum: General
Topic: v15 released!
Replies: 33
Views: 6611

Re: v15 released!

Katakis wrote:
Thu 23 May, 2019 12:37 pm
Many thanks for v15.

Given that there is a pattern now, will we expect v16 to be released on June 18, 2020? ... lol
I don't see a pattern here.
v15 demanded much effort and time, but Sarah has not stated there's going to be another mayor task for the next release.
by omarsis81
Wed 22 May, 2019 2:56 pm
Forum: General
Topic: Raspbian can't compile v15
Replies: 7
Views: 1725

Re: Raspbian can't compile v15

leilei wrote:
Tue 21 May, 2019 12:20 am
EDIT: Installing gcc-4.9 and editing src/makefile to point to that allowed it to successfully compile and run :shock:
What Rasperry Pi model are you using? Can you please tell us what is the best CPU/Mhz PCem can run at 100%?
by omarsis81
Sun 19 May, 2019 11:00 pm
Forum: Development
Topic: v15 compatibility & bug list (WIP)
Replies: 57
Views: 11856

Re: v15 compatibility & bug list (WIP)

With the FIC-VA503+ selecting high clock rate for the K6-2 or K6-III result wrongly detected by the BIOS. eg. if you select the K6-2/533 it will display as if it were a 526 mhz - a 500 k6-2 the bios will see it as a 481 mhz
by omarsis81
Sun 19 May, 2019 10:34 pm
Forum: Development
Topic: v15 compatibility & bug list (WIP)
Replies: 57
Views: 11856

Re: v15 compatibility & bug list (WIP)

I just downloaded the new version 15. I won't call it a bug, but the zip file doesn't have the folders for the new computers/motherboard's rom
by omarsis81
Sun 19 May, 2019 10:09 pm
Forum: General
Topic: v15 released!
Replies: 33
Views: 6611

Re: v15 released!

Thank you! v15 finally arrived!
One question Sarah: do you have more ideas for further optimisations?
by omarsis81
Tue 07 May, 2019 9:32 am
Forum: Patches
Topic: [Patch] Ambra DP60 PCI
Replies: 3
Views: 754

Re: [Patch] Ambra DP60 PCI

Nice POST screen! Nice work. I hope it would be added to mainstream
by omarsis81
Wed 01 May, 2019 2:58 pm
Forum: Development
Topic: v15 compatibility & bug list (WIP)
Replies: 57
Views: 11856

Re: v15 compatibility & bug list (WIP)

leilei wrote:
Wed 01 May, 2019 4:08 am
OK i've went through the whole PC-DOS mini image

Slow ones:
D/Generation (66%)
MDK Demo (68%)
Quarantine 2 Road Warrior demo (55%)
Scorched Earth 1.5 (45%)
Ultima Underworld demo (25%)
Do these game work better after rev 1434?
by omarsis81
Mon 29 Apr, 2019 1:32 am
Forum: General
Topic: Speed timings for emulated hard disks
Replies: 8
Views: 1621

Re: Speed timings for emulated hard disks

leilei wrote:
Sun 28 Apr, 2019 11:20 pm
Heck, for even more accuracy, one could go as far as to add support for a hard drive database file to match names, speeds, and dimensions (......and maybe samples) with
I support your idea, in fact I suggested something similar here http://pcem-emulator.co.uk/phpBB3/viewt ... 4855#p4855
by omarsis81
Fri 26 Apr, 2019 2:20 pm
Forum: General
Topic: Unexplained Slowdown?
Replies: 15
Views: 2684

Re: Unexplained Slowdown?

Wait and try again with the new version 15
It should be released next month

PS: What game is it?
by omarsis81
Wed 24 Apr, 2019 1:15 pm
Forum: General
Topic: Spear of Destiny DOS Hang
Replies: 11
Views: 1792

Re: Spear of Destiny DOS Hang

talbin: the SoD CD-Version is the one distributed by FormGen? https://www.mobygames.com/images/covers ... -media.jpg

leilei: the antology version from iD is this one? Because it doesn't say "anthology" anywhere https://www.mobygames.com/game/dos/wolfenstein-3d__
by omarsis81
Sat 13 Apr, 2019 2:26 pm
Forum: Merged patches
Topic: [Patch] IBM 5150 cassette loading
Replies: 3
Views: 854

Re: [Patch] IBM 5150 cassette loading

Interesting!
Do you think you could add the save function in a future?
by omarsis81
Fri 12 Apr, 2019 12:56 pm
Forum: General
Topic: Black Dahlia says not enough free space
Replies: 14
Views: 2890

Re: Black Dahlia says not enough free space

I don't see the point in bumping this old thread as someone recently posted this game works OK
http://pcem-emulator.co.uk/phpBB3/viewt ... f=2&t=3197
by omarsis81
Sat 06 Apr, 2019 2:41 am
Forum: General
Topic: Display adapter conflift running Pentium 60 / S3 Virge / Win95
Replies: 2
Views: 828

Re: Display adapter conflift running Pentium 60 / S3 Virge / Win95

Try to uncheck the "use automatic settings" and see if you can change some resources
by omarsis81
Wed 27 Mar, 2019 2:02 pm
Forum: Development
Topic: v15 & new recompiler update
Replies: 86
Views: 17390

Re: v15 & new recompiler update

No. K6-2 if you have a _very_ fast machine and choose your software carefully. K6-2 means a nice improvement for high-end machine. And does it means OOO execution too ? Thanks for all the efforts put in this. Indeed it is! I'm very pleased with that Many thanks in advancement for Sarah for a year o...
by omarsis81
Wed 27 Mar, 2019 2:20 am
Forum: Development
Topic: v15 & new recompiler update
Replies: 86
Views: 17390

Re: v15 & new recompiler update

I feel that after a certain point you no longer need to be emulating machines, because basic virtualization will cover those bases for everything but the "it's slow" part. There shouldn't be much in the Pentium 2 age that needs an "accurate" emulator to be able to do everything it needs to do. I di...
by omarsis81
Mon 25 Mar, 2019 6:04 pm
Forum: Development
Topic: v15 & new recompiler update
Replies: 86
Views: 17390

Re: v15 & new recompiler update

Sarah: do you still think it is possible to have a high end Pentium II or Katmais with current hardware? Based on the optimisations you been doing
by omarsis81
Fri 22 Mar, 2019 12:30 pm
Forum: Merged patches
Topic: [Patch] PC200 and PC1512: Hardware font and monitor selection
Replies: 8
Views: 1710

Re: [Patch] PC200 and PC1512: Hardware font and monitor selection

That LCD screen looks quite authentic. Nice job
by omarsis81
Sun 17 Mar, 2019 6:01 pm
Forum: General
Topic: Old Award 286 Hi/Lo 32 kbyte Bios
Replies: 6
Views: 1329

Re: Old Award 286 Hi/Lo 32 kbyte Bios

You also need to know what chipset and super i/o that award bios uses
by omarsis81
Sun 17 Mar, 2019 6:00 pm
Forum: General
Topic: Old Award 286 Hi/Lo 32 kbyte Bios
Replies: 6
Views: 1329

Re: Old Award 286 Hi/Lo 32 kbyte Bios

I guess that joining the bios file is a wrong idea. The bios will look for another file that doesn't exit
There is already a couple of motherboards/computers that work with two file bios
by omarsis81
Fri 08 Mar, 2019 4:49 pm
Forum: Development
Topic: Serial device support
Replies: 2
Views: 1277

Re: Serial device support

I'd love to have serial cable emulation too
by omarsis81
Sun 17 Feb, 2019 2:45 pm
Forum: General
Topic: PCEM in FREEBASIC!!!!
Replies: 7
Views: 1811

Re: PCEM in FREEBASIC!!!!

Congratulation for your work jepalza! It seems you have a good knowledge of programming. It would be great if you can contribute with some patches in current PCem.
Nice work again, congrats!
by omarsis81
Mon 28 Jan, 2019 2:00 am
Forum: General
Topic: Minor bugs
Replies: 5
Views: 1678

Re: Minor bugs

terub56 wrote:
Sun 27 Jan, 2019 8:05 pm
-Loading a DVD image from host drive works fine, but if using the ISO load option, in the guest it appears as a CD audio or it's not displayed.
I believe that's because DVD-ROM is not yet emulated in PCem