Search found 78 matches

by Fenix77
Sun 09 Feb, 2020 3:40 pm
Forum: General
Topic: Gravis Ultrasound test hang
Replies: 1
Views: 1329

Re: Gravis Ultrasound test hang

Hello! This bug is, actually, old. Try to start with a clean boot disk without emm386, Qemm or any other 386 memory manager. When the cpu enters in v86 mode ,it conflicts with the setup utility when testing the SB/Roland emulation. And SBOS emulator too because when it is loaded at DOS prompt, it tr...
by Fenix77
Sun 02 Feb, 2020 2:25 pm
Forum: Development
Topic: [Question] AMI 286 machine and EMS memory.
Replies: 0
Views: 2899

[Question] AMI 286 machine and EMS memory.

Hello! The emulated AMI 286 in Pcem is one of the first machines added with the generic turbo XT bios. I found the AMI 286 uses the M-209 chipset created by PC-Chips. It supports 286 cpus at 12,16 and 20 mhz. The machine has built-in support for EMS memory. It uses a Hedaka D60 designed by Add-tech....
by Fenix77
Sun 02 Feb, 2020 2:07 pm
Forum: Development
Topic: [Question] Juko XT rom BIOS and "virtual ram"
Replies: 0
Views: 2691

[Question] Juko XT rom BIOS and "virtual ram"

Hello! I noticed the Juko memory counter at startup has four digits instead of three, like in the rest of XT machines. But it counts 0640kb of ram as maximum. The following question are only for emulation acuracy. Questions: 1. This emulated machine can support 1024kb? I found specific device driver...
by Fenix77
Thu 09 Jan, 2020 2:02 pm
Forum: General
Topic: [Bug] Commodore SL386SX-25 garbagge in the screen
Replies: 5
Views: 3139

Re: [Bug] Commodore SL386SX-25 garbagge in the screen

Hello! Thank you for these drivers!. The AVGA2 drivers are near impossible to find on the web. I will test that VESA bios. I barely managed to find The AVGA1, first I found driver disk for DOS/Win 3.0 in a Russian blog, then the AVGA 800x600 16-color Win 3.1 driver in a FTP site. and last I download...
by Fenix77
Sun 05 Jan, 2020 1:38 am
Forum: General
Topic: [Bug] Commodore SL386SX-25 garbagge in the screen
Replies: 5
Views: 3139

[Bug] Commodore SL386SX-25 garbagge in the screen

Hello! I have been testing the recently added commodore SL386SX-25 machine. It is an interesting addition. The AVGA2 chip seems to be faster than the OTI-67 and Trident 8900 at 800x600 256-color resolution. However,I found some bugs I found a bug in the 800x600 256 colors video mode with the integra...
by Fenix77
Tue 30 Apr, 2019 7:50 pm
Forum: Development
Topic: v15 & new recompiler update
Replies: 86
Views: 51080

Re: v15 & new recompiler update

Hello! I recently found another bug with the Packad Bell PB410A (486). Under Windows 3.00a with Video 7 driver (800x600 256 colors) the mouse pointer appears at startup but does not respond. The serial mouse does not work and PS/2 mouse works only if the dynamic recompiler is disabled. Also the mous...
by Fenix77
Tue 19 Feb, 2019 5:05 am
Forum: Merged patches
Topic: [Patch] Genetic XT clone improvements
Replies: 6
Views: 8286

Re: [Patch] Genetic XT clone improvements

Hello.

No I didn't, I thought the patch was merged into the main branch.

Thanks!
by Fenix77
Fri 15 Feb, 2019 3:36 am
Forum: Merged patches
Topic: [Patch] Genetic XT clone improvements
Replies: 6
Views: 8286

Re: [Patch] Genetic XT clone improvements

Hello!

Sorry for opening this old post, but I compiled PCEM from the last repository and the problem with EGA/VGA card not working with more that 640kb of ram on Xi 8088, Generic XT and Laser XT still persist.

Thanks in advance!
by Fenix77
Sun 09 Dec, 2018 3:02 pm
Forum: Development
Topic: [question] Epson AX2e/AX3 EMS memory
Replies: 0
Views: 4381

[question] Epson AX2e/AX3 EMS memory

I recently tested the machines with the diagnostic disks. I found that the diagnostic disk of the AX2e has an EMM286.SYS device driver. I don't know if the EMS chipset is emulated, also the diagnostic disk is in italian language. I found several AX3 dignistics disk, The "rd-ax3s2.zip" contains an EM...
by Fenix77
Fri 19 Oct, 2018 3:03 pm
Forum: General
Topic: [Question] 5.25 1.2mb disks on DOS 2.0?
Replies: 6
Views: 6022

Re: [Question] 5.25 1.2mb disks on DOS 2.0?

86-DOS, before was purchased by Microsoft, was compatible with Z80 machines. I have a 86-DOS working copy with an Altair Z80 emulator that support and boots off the 8' 1S/1D disk (one side/simple density disk, 250kb). ( I don't know if 86-DOS can be distribted free now) So i think its not so strange...
by Fenix77
Sun 14 Oct, 2018 11:44 pm
Forum: General
Topic: [Question] 5.25 1.2mb disks on DOS 2.0?
Replies: 6
Views: 6022

[Question] 5.25 1.2mb disks on DOS 2.0?

Hello I found an old 5.25 1.2MB Basf floppy disk. The label say it is preformatted for DOS 2.0 and higher. The strange part is DOS 2.0 only can format 5.25 double density disks with one or two sides. As far I know the support for 5.25 1.2Mb disk was added in DOS 3.0, the 3.5 720kb in DOS 3.2 ans 3.5...
by Fenix77
Fri 21 Sep, 2018 12:49 am
Forum: General
Topic: [BUG] wrong colors in Tandy 640x200x4 video mode
Replies: 0
Views: 3920

[BUG] wrong colors in Tandy 640x200x4 video mode

Hello! I tested Deskmate 2 and Windows 2.03 with Tandy 1000 SL/2. Both of them uses the 10h 640x200 4 color video mode. I compared the two applications with PCEM and Dosbox. In PCEM the menus and calendar of Deskmate 2 has a yellow background and the some buttons being white, on Dosbox is the opposi...
by Fenix77
Mon 27 Aug, 2018 10:42 pm
Forum: Development
Topic: [Request] Add the new AMI NEAT 286 BIOS from 86box
Replies: 9
Views: 6992

Re: [Request] Add the new AMI NEAT 286 BIOS from 86box

Hello. Sorry! I did not pretend offend to anyone. I am not a programmer and I don not know how easy or difficult it can be to implement the emulation of the machine. I only mentioned it because, if part of the code is already implemented and the code can be used, it may be easier than start from scr...
by Fenix77
Sun 26 Aug, 2018 11:33 pm
Forum: Development
Topic: [Request] Add the new AMI NEAT 286 BIOS from 86box
Replies: 9
Views: 6992

[Request] Add the new AMI NEAT 286 BIOS from 86box

Hello! I recently found that 86box and Varcem has added the NEAT chipset emulation to AMI 286, so it can provide EMS memory (and maybe the DTK 386SX clone too because it has a NEATsx chipset). I know PCem already has an AMI 286, but it is a PC-CHIPS motherboard that has a Hedaka EMS chipset that is ...
by Fenix77
Fri 17 Aug, 2018 12:05 am
Forum: Merged patches
Topic: [Patch] Headland chipset improvement and more machines
Replies: 11
Views: 11368

Re: [Patch] Headland chipset improvement and more machines

Thanks! Enabling the Shadow RAM and copy Video RAM solved the problem, and improved the general performance too. I have a last question: The Lastbyte Manager, (both 2.20 and 2.53) identifies the chipset as HT21, not GC103/113 as saying the EMS device driver. I have a couple of EMS drivers for HT18 a...
by Fenix77
Thu 16 Aug, 2018 4:27 am
Forum: Merged patches
Topic: [Patch] Headland chipset improvement and more machines
Replies: 11
Views: 11368

Re: [Patch] Headland chipset improvement and more machines

I have another question? I did the changes you suggested me, but with the Trigem 286 machine when I run Windows 2.11/286 the machine crash at startup. It works if I remove Himem.sys. The 386SX machine has no issue. my configuration is: Trigem 286, OTI-067 VGA, 3MB RAM, DOS 3.31 and Windows 2.11/286 ...
by Fenix77
Thu 16 Aug, 2018 2:11 am
Forum: Merged patches
Topic: [Patch] Headland chipset improvement and more machines
Replies: 11
Views: 11368

Re: [Patch] Headland chipset improvement and more machines

Hello! I tested these two machines in 86box and they works perfectly. I only have a few question about these BIOS. Can, the EMS memory only be defined in the MM.SYS device driver? Can other, similar BIOS be used in these machines? I found on Vogons site a near identical BIOS of HT103, 286 chipset, b...
by Fenix77
Sun 05 Aug, 2018 3:48 pm
Forum: General
Topic: [BUG] IOMEGA ZIP under MS-DOS 5.0/Win 3.1
Replies: 3
Views: 3940

[BUG] IOMEGA ZIP under MS-DOS 5.0/Win 3.1

Hello I recently tested the IOMEGA ZIP drive. I tested it with both MS-DOS 5.0/Win 3.1 and Windows 95, with the coresponding device drivers. And checked both emulators PCem and 86box On PCem: In DOS 5.0/Win 3.1 installations: The unit is not detected after loading Guest.exe under DOS, although unit ...
by Fenix77
Thu 19 Jul, 2018 1:43 am
Forum: Merged patches
Topic: [Patch] Headland chipset improvement and more machines
Replies: 11
Views: 11368

Re: [Patch] Headland chipset improvement and more machines

Hello! I recently sent you a PM to ask if you can send me the roms and EMS drivers for these machines. I'd like to test these machines. Thanks for your work and effort in implementing these new machines! PD: I don't know if my PM was really sent because it appears on "outbox" but not in "sent messag...
by Fenix77
Tue 19 Jun, 2018 11:32 pm
Forum: General
Topic: Toshiba T1200 "error reading drive C" bug.
Replies: 0
Views: 3713

Toshiba T1200 "error reading drive C" bug.

I recently found a bug when reading drive C, on some circumstances. My configuration is RAM: 2Mb Hard-disk: 20mb sectors: 17 Head: 4 cylinders:615 Hd-controller: Xebec. The bug can be found when installing Word 5.5 for DOS, using Xcopy command from drive A to C,when I do zoom out in PC paintbrush fo...
by Fenix77
Tue 01 May, 2018 3:48 am
Forum: General
Topic: [BUG] 720kb floppy detection with DOS FORMAT
Replies: 1
Views: 1947

[BUG] 720kb floppy detection with DOS FORMAT

Hello. I found an small bug with the FORMAT command (MS-DOS 6.22). FORMAT will try to format 720kb floppys as if they were 1.44MB. And of course cannot format the disk. However I can force FORMAT to use the correct format with the /F:720 specification. I don't know if this bug affects other software...
by Fenix77
Mon 16 Apr, 2018 12:45 am
Forum: General
Topic: [BUG] Wacky Wheels Gravis Ultrasound not detected
Replies: 2
Views: 2481

Re: [BUG] Wacky Wheels Gravis Ultrasound not detected

Hello! I am unable to use the GUS sound card with rhis game. Here is my configuration: -AMI 386 DX/20 (with cyrix 486 DLC/40 the setup utility of the game does not even start; it lock up the machine at DOS prompt) -4MB RAM -TSENG ET4000AX I attach screenshots of autoexec.bat and config.sys PD: The d...
by Fenix77
Thu 12 Apr, 2018 2:19 am
Forum: General
Topic: [BUG] Wacky Wheels Gravis Ultrasound not detected
Replies: 2
Views: 2481

[BUG] Wacky Wheels Gravis Ultrasound not detected

Hello I recently found a bug, with a DOS game called Wacky Wheels. It does not detects the Gravis Ultrasound Card. The setup menu detects the GUS as sound card for sound effects but when I select as music card it says "Music Card error". I installed the GUS drivers version 4.11. The PlayMIDI utility...
by Fenix77
Wed 11 Apr, 2018 5:01 am
Forum: General
Topic: Joe Montana Football and IBM PS/1 bug
Replies: 1
Views: 1842

Joe Montana Football and IBM PS/1 bug

I tested the game Joe Montana Football. The problem with this game is the graphics are completly distorted. The game works ok (only a bit slow) with IBMulator 0.9 configured as PS/1 2011 model and the PS/1 sound also works. The games autodetects the graphics mode and sound card at startup, there is ...
by Fenix77
Wed 11 Apr, 2018 4:40 am
Forum: General
Topic: Pre-v14 WIP compat list
Replies: 8
Views: 4749

Re: Pre-v14 WIP compat list

Hello I recently found a bug, with a DOS game called Wacky Wheels. It does not detects the Gravis Ultrasound Card. The setup menu detects the GUS as sound card for sound effects but when I select as music card it says "Music Card error". I installed the GUS drivers version 4.11. The PlayMIDI utility...
by Fenix77
Thu 22 Mar, 2018 6:19 pm
Forum: General
Topic: [BUG] SPC-4216P, KMX-C-02. EMS and UMB memory
Replies: 9
Views: 6017

Re: [BUG] SPC-4216P, KMX-C-02. EMS and UMB memory

Hello again! It may be a bit offtopic but.. I recently discovered That AMI 286 from 86box uses Neat chipset and the AMI 286 fom PCEM is a PC Chips motherboard and uses Hedaka D60 chip. The Hadaka chip does not support UMB memory mapping and the last 384kb of memory cannot be mapped as either XMS or ...
by Fenix77
Sun 18 Mar, 2018 2:05 am
Forum: General
Topic: [BUG] Bubble Bobble with CGA, TANDY and Hercules Card
Replies: 0
Views: 2977

[BUG] Bubble Bobble with CGA, TANDY and Hercules Card

Hello. I tested the game Bubble bobble with IBM XT, DTK 8088 and IBM AT 286 with CGA and Hercules graphics. CGA graphics With CGA video mode with XT machines slowdowns occurs when busting bubbles with enemies and when the level is finished. Otherwise the game works. The same slowdown occurs in the T...
by Fenix77
Thu 15 Mar, 2018 9:31 pm
Forum: General
Topic: [BUG] SPC-4216P, KMX-C-02. EMS and UMB memory
Replies: 9
Views: 6017

Re: [BUG] SPC-4216P, KMX-C-02. EMS and UMB memory

Hello.

I sent you the 30mb IDE Hard Disk image file I use with SCAT machines. The config is in the CONFIG.SYS file.
by Fenix77
Thu 15 Mar, 2018 2:53 am
Forum: General
Topic: [BUG] SPC-4216P, KMX-C-02. EMS and UMB memory
Replies: 9
Views: 6017

Re: [BUG] SPC-4216P, KMX-C-02. EMS and UMB memory

Many Thanks!! The SPC-2016P machine works correctly with the new EMS driver, it works exactly like the Award 286 and GW 286CT GEAR, and for some reason, now CheckIt now detects the F region correctly. I never thought it could be a driver issue. And for the KMS-C-02 ,Qram is detecting 128kb of free U...
by Fenix77
Wed 14 Mar, 2018 9:56 pm
Forum: General
Topic: [BUG] SPC-4216P, KMX-C-02. EMS and UMB memory
Replies: 9
Views: 6017

Re: [BUG] SPC-4216P, KMX-C-02. EMS and UMB memory

I tested the SPC-2016P and it lock's up when the EMS driver is loading. Even if no UMB driver is used. I put HIMEM.SYS after EMS.SYS but it still freezes. The KMS-C-02 may lock up with a Windows 2.11 application like Word for Windows but not with applications that use conventional memory only, howev...