Re: Fasttracker 2.10 & 2.11 for MS-DOS

Posted on 2021-07-29, 09:21

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by 8bitbubsy

in Release Announcements

in Release Announcements

There's technically a tick delay in original FT2 when using Sound Blaster, but I'm not sure how high it is. Gravis Ultrasound mode though, should give extremely low tick delay (probably <1ms). Now that sounds fine, but when it comes to the FT2 clone, it has too high delay (~21.3ms on the default …

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Re: Fasttracker 2.10 & 2.11 for MS-DOS

Posted on 2021-07-10, 20:00

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by 8bitbubsy

in Release Announcements

in Release Announcements

I haven't heard from traffkin in a long time, I assume he either doesn't have time, or gave up on it... I think he had other plans than just MPU401 support too, which could've made it more difficult to achieve what he wanted.

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Re: [STB Powergraph VL-24] RGB contrast fix + DOS performance boost

Posted on 2021-05-12, 19:42

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by 8bitbubsy

in Marvin \ Video

in Marvin \ Video

Sounds like a short to me. Try to measure the resistance between 12v and ground, and 5v and ground, on the PSU connectors (going to the mobo).

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Re: [STB Powergraph VL-24] RGB contrast fix + DOS performance boost

Posted on 2021-05-10, 20:43

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by 8bitbubsy

in Marvin \ Video

in Marvin \ Video

That's a neat idea. Could in theory add a toggle-switch in the back, which could be toggled when the computer is off. Not sure if I could be bothered though, I don't need >16 colors, >640x480 and hardware acceleration in Windows 3.1x, as I rarely boot that on the computer.

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Re: [STB Powergraph VL-24] RGB contrast fix + DOS performance boost

Posted on 2021-05-10, 20:18

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by 8bitbubsy

in Marvin \ Video

in Marvin \ Video

Sweet, I bought one of these cards recently and will definitely try this out. Thanks for finding this and sharing. Remember to make a backup of your current VGA BIOS first. Also let me know if you have the same overexposed RGB signals as I did (probably only on TFTs). The way you can tell is to …

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[STB Powergraph VL-24] RGB contrast fix + DOS performance boost

Posted on 2021-05-10, 16:23

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by 8bitbubsy

in Marvin \ Video

in Marvin \ Video

I have one of these cards, it has an S3 805 chip. I think it's a perfectly fine card for DOS gaming on a DX2-66. It has an external RAMDAC that is placed close to the VGA output, so there is very little output noise. However, the RGB voltage levels seem to be out of spec (too high), giving an …

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Re: VOGONS Driver Library

Posted on 2021-04-22, 21:31

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by 8bitbubsy

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Name: STB Powergraph VL-24 (Win3.1x driver v2.1) Category: Graphics -> S3 Found these at stb.com using wayback machine. I put the two disks into separate folders. I have no vogonsdrivers.com user, so I'd appreciate if someone could upload it. 😀

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[FOUND] Looking for original "STB Powergraph VL-24" Win3.1 drivers

Posted on 2021-04-06, 11:54

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by 8bitbubsy

in Marvin \ Video

in Marvin \ Video

EDIT: I actually found them on wayback machine after all! I uploaded them here if anyone needs them: https://16-bits.org/etc/VL24_W31.ZIP Original post: I know this card is just an S3 805, so I could use generic S3 drivers, but I'm looking for the original STB drivers for Windows 3.1. I found some …

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Re: UNISOUND - Universal ISA PnP Sound Card Driver for DOS v0.75e

Posted on 2021-03-13, 11:59

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by 8bitbubsy

in Marvin \ Sound

in Marvin \ Sound

Awesome work! I replaced the AWE64 DOS drivers with UNISOUND, and it works great. Just a very minor issue report: There's a typo in UNISOUND's usage screen. It shows /VTnn for both treble and bass.

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Re: Lost Vikings General MIDI port changer

Posted on 2021-02-16, 22:20

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by 8bitbubsy

in DOS

in DOS

I wrote an 8086 asm version which allows you to enter the two digits of the address: https://16-bits.org/etc/lvmusprt.zip Please note that I am new to x86 asm coding, and as such the included code is not the best. EDIT: Can this port have A..F digits in it? If so, I need A..F hex range checking as …

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Re: Lost Vikings General MIDI port changer

Posted on 2021-02-16, 19:10

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by 8bitbubsy

in DOS

in DOS

So me and Tempus got this to work with port 336, but we had to hex edit DATA.DAT because LVPORT.EXE can't change the last nybble of the output address. Do you want to change it so that you can? Instead of using a switch case for the 0..9 numbers like you are doing in your program, you could just …

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Re: [IDE controller] CMD640/PCI0640B data corruption bug

Posted on 2021-02-10, 10:59

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by 8bitbubsy

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I replaced the dual-channel CMD640 card with my Pine Technology PT-626, which has only one IDE channel (UMC chip). It sucks to not have another channel for my CD-ROM (I don't have an IDE cable long enough to reach both the CD-ROM and the CF adapter in the back of the machine), but I don't really use …

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Re: [IDE controller] CMD640/PCI0640B data corruption bug

Posted on 2021-02-07, 15:02

by

by 8bitbubsy

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

One would think that the secondary IDE channel has nothing to do with the primary one since it runs on a different chip (in my case) and different interrupt + I/O address. Does it still matter if both are active at the same time? The card is a "CSA-6210/Kx" model. The floppy bug sounds very critical …

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[IDE controller] CMD640/PCI0640B data corruption bug

Posted on 2021-02-07, 13:49

by

by 8bitbubsy

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I have a VLB card with a CMD640 (PCI0640B) chip for the primary IDE channel, and a Winbond chip for the secondary IDE channel. I heard some really bad things about the former chip corrupting data, and I wonder if this happens in every configuration or not. Will it only happen if you have two devices …

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Re: Fasttracker 2.10 & 2.11 for MS-DOS

Posted on 2021-01-01, 19:54

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by 8bitbubsy

in Release Announcements

in Release Announcements

Hi, the problem is not with XP but mainly with Win7 systems. I personally met some where the installation failed with the above detailed error. Not to mention using your FT2 on systems where you do not have permission to install system components... Maybe as a compromise you can make a separate …

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Re: Fasttracker 2.10 & 2.11 for MS-DOS

Posted on 2020-12-22, 19:00

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by 8bitbubsy

in Release Announcements

in Release Announcements

I'm not really working on it anymore (FT2.11 is the last version), but traffkin is trying to add MPU-401 MIDI support and also improve the LPT DAC support.

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Re: Fasttracker 2.10 & 2.11 for MS-DOS

Posted on 2020-12-11, 11:24

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by 8bitbubsy

in Release Announcements

in Release Announcements

Creating 32-bit/64-bit runtime zips with the DLLs needed seems feasible, I'll look into it one day.

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Re: Fasttracker 2.10 & 2.11 for MS-DOS

Posted on 2020-12-11, 11:12

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by 8bitbubsy

in Release Announcements

in Release Announcements

Thanks, I'm glad you like it. There's also my accurate FT2 clone for Window/macOS/Linux in case you want to make your life a bit easier: https://16-bits.org/ft2.php Hi, Would you consider making statically linked versions of the Windows executables? The dependency on VS 2015 runtime and the …

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Re: Fasttracker 2.10 & 2.11 for MS-DOS

Posted on 2020-12-10, 10:14

by

by 8bitbubsy

in Release Announcements

in Release Announcements

Thanks, I'm glad you like it. There's also my accurate FT2 clone for Window/macOS/Linux in case you want to make your life a bit easier: https://16-bits.org/ft2.php

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Re: Doom not properly working on 486DX-66 PC running Dos 5.0

Posted on 2020-11-30, 11:41

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by 8bitbubsy

in Marvin \ Software

in Marvin \ Software

In the BIOS, set "DRAM timing selection" to "fast", and enable "Hidden Refresh Function". Also make sure your VLB graphics card is set to have zero waitstates. Some VLB graphics cards have jumpers for "> 33MHz" and "<= 33MHz". It should be set to "<= 33MHz" in your case since your FSB is 33MHz, and …

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