Search found 61 matches

by Fenix77
Sun 05 Aug, 2018 3:48 pm
Forum: General
Topic: [BUG] IOMEGA ZIP under MS-DOS 5.0/Win 3.1
Replies: 2
Views: 173

[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: Patches
Topic: [Patch] Headland chipset improvement and more machines
Replies: 2
Views: 298

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: 141

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: 253

[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: 305

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: 305

[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: 213

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: 887

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: 1016

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: 363

[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: 1016

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: 1016

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: 1016

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...
by Fenix77
Wed 14 Mar, 2018 7:00 pm
Forum: General
Topic: [BUG] SPC-4216P, KMX-C-02. EMS and UMB memory
Replies: 9
Views: 1016

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

Hello

Thanks for your reply. I'm going to test these machines without CLEAREMS.SYS, and i did not notice EMS driver was loaded twice. I am using MS-DOS 3.31, for that reason I chose to use QRAM instead UMB_DRVR.SYS.
by Fenix77
Wed 14 Mar, 2018 12:54 am
Forum: General
Topic: [BUG] SPC-4216P, KMX-C-02. EMS and UMB memory
Replies: 9
Views: 1016

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

Hello I tested QRAM in the four SCAT/SCATsx machines. I found some problems with the EMS and upper memory area. I don't know if this issue is a bug, a limitation of these bios or some Pcem limitation. The Award 286 and GW 286CT-GEAR works with both EMS memory and 128kb of UMB memory. The KMX-C-02 wo...
by Fenix77
Sun 11 Mar, 2018 8:55 pm
Forum: General
Topic: [BUG] KMX-C-02 keyboard freeze
Replies: 3
Views: 475

[BUG] KMX-C-02 keyboard freeze

I Tested several applications, The KMX-C-02 machine boots normally, but at some point it locks up, when typing or playing a game with the arrow keys. The games I tested: Rick Dangerous II: during the game the machine stops responding an behaves as if a direction key were pressed and hold. Rock'n Rol...
by Fenix77
Wed 07 Mar, 2018 12:34 am
Forum: Development
Topic: [Request] Lo-tech 2MB EMS Board
Replies: 2
Views: 623

Re: [Request] Lo-tech 2MB EMS Board

Hello! It has nothing special, but there is more documentation about this card than any other from the period. I think it's not so difficult to implement this LIM EMS 3.2 board. The EMS driver developed by lo-tech is based on the driver for an 8-bit ISA BocaRam card from 1988. Laser XT machines alre...
by Fenix77
Tue 06 Mar, 2018 5:23 pm
Forum: Development
Topic: [Request] Lo-tech 2MB EMS Board
Replies: 2
Views: 623

[Request] Lo-tech 2MB EMS Board

Hello. I would like to have the Lo-tech 2MB EMS Board emulation, if It is possible , (like UniPCemu has). I know many users asked EMS memory boards emulation before. I found a site with a datasheet from this site https://www.lo-tech.co.uk/wiki/Lo-tech_2MB_EMS_Board . It also includes a diagram of th...
by Fenix77
Sun 11 Feb, 2018 10:02 pm
Forum: Merged patches
Topic: [Patch] Toshiba T1200
Replies: 11
Views: 1091

Re: [Patch] Toshiba T1200

Hello Sorry for writting again! I found another small issue related to Hard-Ram. The Hard-Ram drive can be only accessed if There is no hard-disk installed because it uses the C drive letter. If a third party hard-disk is installed, it uses the C drive letter, and the Hard-Ram is not assigned a D or...
by Fenix77
Sun 11 Feb, 2018 12:45 am
Forum: Merged patches
Topic: [Patch] Toshiba T1200
Replies: 11
Views: 1091

Re: [Patch] Toshiba T1200

I found only one small issue after applying the patch. The TEST1 utility fails (abort) when checking the memory, however the memory amount in 1MB/2MB config is correctly detected. But in the other hand CheckIt does not find any issue. The blue screen works ok. Windows 2.03 detects the EMS memory cor...
by Fenix77
Fri 02 Feb, 2018 6:13 pm
Forum: Merged patches
Topic: [Patch] Toshiba T1200
Replies: 11
Views: 1091

Re: [Patch] Toshiba T1200

Thanks you! The machine works!. Tested and working with the Xebec MFM controller and a 20 MB hard disk. I found two minor glitches. 1. With 1Mb configuration PCEM, not only the machine, crash during boot time. With 2Mb, starts normally, but only 640 of EMS is detected with no Hard-Ram installed. (64...
by Fenix77
Fri 02 Feb, 2018 2:16 pm
Forum: Merged patches
Topic: [Patch] Toshiba T1200
Replies: 11
Views: 1091

Re: [Patch] Toshiba T1200

Hello. I found a bug in the T1200 emulation. The machine does not boot and says "1-HDD & 1-FDD type". I don't know if I'm asking too much, I know a floppy version of T1200 existed with two 3.5 720kb floppy drives, and maybe it uses a different BIOS I think it can be used instead as workaround to avo...
by Fenix77
Tue 30 Jan, 2018 8:28 pm
Forum: Merged patches
Topic: [Patch] Toshiba T1200
Replies: 11
Views: 1091

Re: [Patch] Toshiba T1200

Hello.

I found inside the pacth the CPU is defined as 8088.
As is written here, the CPU is 8086. https://usermanual.com/document/6969/to ... ation.html
The memory amounts are correct.
by Fenix77
Tue 30 Jan, 2018 6:51 am
Forum: Development
Topic: Toshiba T1200 emulation
Replies: 6
Views: 954

Re: Toshiba T1200 emulation

Hello. Thank you!. The T1200 it's a very complete XT laptop and a great addition. By the way, I recently found some info i did not know earlier. I read that Toshiba T1200, among other XT based laptops, uses a hard disk contoller developed by JVC, but it's not a standard MFM/RLL XT controller. Some b...
by Fenix77
Thu 18 Jan, 2018 4:04 pm
Forum: Development
Topic: 8088/8086 machine bug with PC-DOS 2.x/3.0
Replies: 1
Views: 749

8088/8086 machine bug with PC-DOS 2.x/3.0

Hello. I recently tested the game called Pictionary in Toshiba T1000. I found the game locks up immediately after running PICTION.EXE. Then I tested the same game with Tandy 1000 HX and SL/2. On SL/2 worked OK. First I thought it was a problem with DOS 2.11 since both machines have the same version ...
by Fenix77
Mon 15 Jan, 2018 6:35 pm
Forum: Development
Topic: Toshiba T1200 emulation
Replies: 6
Views: 954

Re: Toshiba T1200 emulation

Hello. In both emulated machines Tandy 1000 HX and Toshiba T1000, I booted from ROM DOS 2.11. May be it works differently than standard DOS 2.11 Both of these DOS versions have been modified to support 3.5 720 kb floppy disks. As far as i know PC-DOS 2.0-2.11 supports only 5.25 floppys up to 360 kb ...
by Fenix77
Mon 15 Jan, 2018 3:34 pm
Forum: Development
Topic: Toshiba T1200 emulation
Replies: 6
Views: 954

Toshiba T1200 emulation

Hello. First, I'd like to thanks to all the people that work on the project, those added new emulated machines and those created the guide to compile the SVN branch of PCEM. I tested Thosiba T1000 and worked ok, so far. I'd like to have T1200 emulation (if it's possible) because it has: -20 mb hard ...
by Fenix77
Sun 14 Jan, 2018 10:04 pm
Forum: General
Topic: Booter games bug
Replies: 2
Views: 415

Re: Booter games bug

I tested Jumpman again and the speed problem occurs only in PCjr the 16 color RGB and 3 voice speaker works ok.
With other machines runs at correct speed on 8088 at 4.77 mhz. CGA composite color mode work correctly too, because it has the same colors than the screenshots on Mobygames site.
by Fenix77
Sun 14 Jan, 2018 12:12 am
Forum: General
Topic: Booter games bug
Replies: 2
Views: 415

Booter games bug

Hello. I found some bugs in booter games from 1984-85 and it seemed important to me report them. (i downloaded from retrograde station but the site is down since 2014) both games support IBM PCjr 16 color graphics and 3 voice sound, and only CGA 4 color and IBM speaker in the other machines. I recen...
by Fenix77
Wed 27 Dec, 2017 11:59 am
Forum: General
Topic: Gravis Ultrasound bug with setup and EMM386
Replies: 0
Views: 474

Gravis Ultrasound bug with setup and EMM386

Hello. First of all would like to thank for the hard work done. Its a complete PC emulator and the emulated hardware is greater than any other. I know this bug may be not top priority now, because a real SB can be used instead SB emulation in the GUS. I found some strange bugs that locks up the emul...