Search found 69 matches

by Fenix77
Fri 19 Oct, 2018 3:03 pm
Forum: General
Topic: [Question] 5.25 1.2mb disks on DOS 2.0?
Replies: 5
Views: 284

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: 5
Views: 284

[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: 177

[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: 764

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: 764

[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: Patches
Topic: [Patch] Headland chipset improvement and more machines
Replies: 8
Views: 814

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: Patches
Topic: [Patch] Headland chipset improvement and more machines
Replies: 8
Views: 814

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: Patches
Topic: [Patch] Headland chipset improvement and more machines
Replies: 8
Views: 814

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: 2
Views: 321

[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: 8
Views: 814

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: 224

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: 295

[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: 349

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: 349

[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: 260

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: 967

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: 1083

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: 387

[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: 1083

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: 1083

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: 1083

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: 1083

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: 1083

[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: 530

[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: 684

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: 684

[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: 1208

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: 1208

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: 1208

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: 1208

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...