Re: Cyrix 5x86 Register Enhancements Revealed

Posted on 2019-08-03, 11:02

by

by Rawit

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

https://www.amd.com/system/files/TechDocs/goede_gx1_databook-rev5.pdf BTB is required to be off or 0 according to this. And there is no mention of loop and rstk in it. In your thread for register settings for various Cyrix processors you set those both on ON for the MediaGXm. I thought that was …

---

Re: Cyrix 5x86 Register Enhancements Revealed

Posted on 2019-08-03, 10:34

by

by Rawit

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Some recent discoveries: Found out that the GX1 does not have LOOP_EN and RSTK_EN. I used the Cyrix GXm databook before, but the AMD GX1 databook shows that those functions were replaced with something else. BTB is also required (0) / off according to this document. I also discovered that with …

---

Re: Windows 3.11 driver for Acer 1020SX

Posted on 2019-08-02, 12:28

by

by Rawit

in Marvin \ Video

in Marvin \ Video

Didn't find any drivers with a quick search. Can you try the WfWG 3.11 drivers found here http://www.gaby.de/win3x/edrivers.htm? These should be different. The 3.1 SVGA driver seems to be different from the 3.11 driver also. Might be worth trying.

---

Re: Trident ISA VGA jumper settings?

Posted on 2019-08-01, 12:16

by

by Rawit

in Marvin \ Video

in Marvin \ Video

I see J2 on your board but without pins. So it's not unfeasable to short it to get Zero WS enabled. I actually thought wait states were more a VLB thing.

---

Re: Trident ISA VGA jumper settings?

Posted on 2019-08-01, 12:02

by

by Rawit

in Marvin \ Video

in Marvin \ Video

Quick Google: www.s100computers.com/My%20System%20Pag ... Manual.pdf

---

Re: Gotek like Optical Driver Emulator - Is it possible?

Posted on 2019-08-01, 11:11

by

by Rawit

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

@flecom Do you have any idea if the device allows hot-swapping? The wiki makes it sound you need to either reboot the device or send commands through the USB host with terminal software. If that's the case it would be a hassle to use in a retro computer.

---

Re: Gotek like Optical Driver Emulator - Is it possible?

Posted on 2019-07-31, 21:40

by

by Rawit

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I'm actually working on one. It will be a while before it's done though. This is really cool! In my search for a drive I found out that prices are increasing and drivers from a certain era are becoming harder to find. Although some drives can easily be adapted to work data wise, audio out is an …

---

Re: S3 video cards and Windows 3.x

Posted on 2019-07-30, 14:22

by

by Rawit

in Marvin \ Video

in Marvin \ Video

Did you try the Savage4 driver? IX/MX are Savage4 derived AFAIK. I'm running WfWg with a Savage4.

---

Re: GUS emulation with AWE cards

Posted on 2019-07-29, 07:09

by

by Rawit

in Marvin \ Sound

in Marvin \ Sound

might be doable, except on 386+486 maybe it might be too slow, IO port writes are expensive, if you had to batch up a whole bunch to go from 13 to 20 channels and cross the 14channel mark. personally I dont think any tracker did it, you would for sure HEAR the difference if it switched from playing …

---

Re: Windows 2.x splash screen

Posted on 2019-07-26, 11:18

by

by Rawit

in Marvin \ Software

in Marvin \ Software

Is there a tool to dump display registers to see what it does?

---

Re: Windows 2.x splash screen

Posted on 2019-07-26, 07:28

by

by Rawit

in Marvin \ Software

in Marvin \ Software

From Wikipedia: "640×200 pixels, as with the 80×25 text mode. All pixels can be addressed independently. This mode is monochrome with a pixel aspect ratio of 1:2.4. By default the colors are black and bright white, but the foreground color can be changed to any other color of the CGA palette. This …

---

Re: K6-III+ freezing in Doom (Mode Y?)

Posted on 2019-07-24, 11:23

by

by Rawit

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Quake doesn't use Mode Y. Does Doom run stable with no sound? I don't know any other Mode Y games, but Mode X or Q might be close enough: - Lost Vikings - Rolling Ronnie - Epic Pinball - Dyna Blaster You can also try: https://github.com/mills32/Little-Game-Engine-for-VGA

---

Re: Vette! (1989) on a Tandy 1000 HX

Posted on 2019-07-22, 13:32

by

by Rawit

in Marvin \ Software

in Marvin \ Software

AFAIK CGA and EGA versions came on seperate discs. You'll need the CGA disk.

---

Re: Matrox Mystique MSI Signal Out of Range

Posted on 2019-07-02, 12:29

by

by Rawit

in Marvin \ Video

in Marvin \ Video

I think I've read they targeted 640x400 most of the time. Perhaps at 60hz, because at 70hz it would/should be a quite conventional signal.

---

Re: UDMA drivers for DOS (Latest)

Posted on 2019-07-01, 06:49

by

by Rawit

in Marvin \ Software

in Marvin \ Software

Tried this version and the previous version with all the switches, but it hangs after displaying HDD info. This is on the MediaGX platform which is notorious for its UDMA issues though.

---

Re: Help with identifying Matrox G400 card

Posted on 2019-07-01, 06:31

by

by Rawit

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I would try to update its BIOS if there is something available. Matrox released quite some updates for the G200/G400 range.

---

Re: What's the nastiest thing you caught from a retro PC/Part?

Posted on 2019-06-28, 14:22

by

by Rawit

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Didn't catch anything but had my share of cuts and bleeds when fixing and going through machines/parts. Some dirty encounters: - Those iMac keyboards from the Apple plexiglass era. A company I worked for had a few in storage... Snot and hairs were visible from the underside; - Cleared out a basement …

---

Re: How to use MIDI keyboard with Fast Tracker 2?

Posted on 2019-06-26, 10:14

by

by Rawit

in Marvin \ Software

in Marvin \ Software

Here you can find an updated version of FT2: https://16-bits.org/other.php The developer seems to have access to the original source and might be of help with this. FT 2.09 is considered buggy btw, try 2.08 or the one I linked.

---

Re: SIGIL Megawad for DOOM by John Romero

Posted on 2019-06-23, 10:25

by

by Rawit

in Release Announcements

in Release Announcements

Thanks for posting this! Wanted to try out Doom Plus after leileilol findings, but this is even easier. Running this with a SB16 fox FX and a GUS for music is really great. I do seem some drops in framerate in the more complex scenes, but no issues otherwise.

---

Re: PCI OPL3 card?

Posted on 2019-06-19, 09:31

by

by Rawit

in PC Emulation

in PC Emulation

I think you need this: https://github.com/datajake1999/OPL3EMU This topic has some info: OPL3LPT : OPL3 FM Synthesis on parallel port From what I gather the driver is an OPL emulator which a passthrough option to real hardware.

---