Re: SAA1099 as 4-bit DAC and CMS/GameBlaster digital sound output

Posted on 2021-03-13, 19:29

by

by Tronix

in Marvin \ Sound

in Marvin \ Sound

SAA output should be logarithmic as is AY and the Ti PSG. I dont think so. If you take a look at my first post on this topic, the picture, you can see that the voltages decrease linearly depending on the volume: vol 0 -> vout 5,12V vol 2 -> vout 5,09V vol 4 -> vout 5,04V vol 6 -> vout 5,00V etc.. …

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Re: SAA1099 as 4-bit DAC and CMS/GameBlaster digital sound output

Posted on 2021-03-13, 11:28

by

by Tronix

in Marvin \ Sound

in Marvin \ Sound

I found a STM/MOD player with an open driver architecture with source codes - http://www.dcee.net/Files/Music/Player/ (play382.arj) [Sound Wave Pro / FRIENDS software / Andrew Zabolotny] , so i modify a little COVOX.ASM and play few STM and MOD files over Creative Music System / Game Blaster... …

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Re: SAA1099 as 4-bit DAC and CMS/GameBlaster digital sound output

Posted on 2021-03-13, 06:14

by

by Tronix

in Marvin \ Sound

in Marvin \ Sound

My code for output 8 bit unsigned PCM raw value look like this: cmsReset; {Fill all registers with zeros, reset chip and enable sound} cmsWrite($18,$82); cmsWrite($19,$82); mov al,2 ; select amplitude register channel 2 mov dx,SoundPort inc dx out dx,al mov al,byte ptr es:[bx] ; AL = 8 bit unsigned …

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SAA1099 as 4-bit DAC and CMS/GameBlaster digital sound output

Posted on 2021-03-12, 19:54

by

by Tronix

in Marvin \ Sound

in Marvin \ Sound

Hello, I found outdated similar thread on pouet.net but unfortunately it is outdated. I was helped by the basic information on turning on the envelope generators and pumping samples as amplitude at channels 2 and 5. I did a little research with a multimeter: P113092.JPG X-axis is the amplitude of 05 …

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Re: Creative Music System (CMS) / Game Blaster MIDI drivers

Posted on 2021-03-11, 09:34

by

by Tronix

in Release Announcements

in Release Announcements

Made some fixes and changes to SoftMPU which finally allowed to run games with acceptable sound quality. A small video recorded from the emulator demonstrating the launch of a couple of games: https://youtu.be/OsUSNzIlkYY

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Re: CGA Replica / Potential New-Design CGA Card

Posted on 2021-03-09, 07:55

by

by Tronix

in Marvin \ Video

in Marvin \ Video

The author (@TubeTimeUS) of the SoundBlaster clone (SnarkBarker) is also doing a project to create a replica of the CGA card of FPGA... It's support VGA analog output for modern VGA monitors and TTL 5V output for vintage CGA or Mono monitors

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Re: Creative Music System (CMS) / Game Blaster MIDI drivers

Posted on 2021-03-03, 19:09

by

by Tronix

in Release Announcements

in Release Announcements

Has this also been done yet for the Innovation SSI-2001 card? (It's a PC sound card with a Commodore SID chip that saw very little support in games back in the day, even less than CMS.) Probably yes, but I don't have SSI-2001.... So far I have made CMS/Game Blaster support in the DOSMid player . …

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Re: The dead Sound blaster 16 CT2230

Posted on 2021-03-01, 19:48

by

by Tronix

in Marvin \ Sound

in Marvin \ Sound

possible candidates in my opinion: 1) 74LS245 - buffer between ISA data bus and SB data bus; 2) Crystal oscilator, crystal generator 3) main SB chip

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Re: Creative Music System (CMS) / Game Blaster MIDI drivers

Posted on 2021-02-27, 15:02

by

by Tronix

in Release Announcements

in Release Announcements

I added auto detect for CMS port (210h - 260h) to Miles drivers and SoftMPU/CMS. Also i fix another stupied typo in SPKR.INC. And I create repo for Miles drivers, so no need ZIP archives anymore. You can download last version from: https://github.com/Tronix286/AIL2 https://github.com/Tronix286/ …

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Re: Creative Music System (CMS) / Game Blaster MIDI drivers

Posted on 2021-02-22, 15:05

by

by Tronix

in Release Announcements

in Release Announcements

Recently I thought - that if i take the source codes of SoftMPU, modify them a little so that there is internal processing of midi commands and output of frequency and octave to the hardware port of cms. I thought this would allow games like Doom or Duke3d to run with "general midi" device selected …

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Re: CMSLPT : Creative music system (game blaster) on parallel port

Posted on 2021-02-21, 07:38

by

by Tronix

in Marvin \ Sound

in Marvin \ Sound

It would be great to develope something like a SoftMPU to just select General MIDI as music output device in games for original CMS/Game blaster on port 220h and CMSLPT on LPT port... Hook a 330h/331h ports and convert "on the fly" MIDI messages or MIDI notes to SAA1099 synths commands like this …

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Re: Faulty S3 805 VLB video card

Posted on 2021-02-18, 13:21

by

by Tronix

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

For the successful operation of this video card, it is necessary to set the jumpers correctly (because they physically connect some memory lines). Here is a description of the jumpers: https://stason.org/TULARC/pc/graphics-cards/U-Z/UNIDENTIFIED-XVGA-S3-805.html So, you need set JP5 1-2 and JP4 2-3.

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Re: EWS64 XL MIDI TROUBLES

Posted on 2021-02-10, 07:40

by

by Tronix

in Marvin \ Sound

in Marvin \ Sound

ok, reconfigured the card to 330 (was on pnp before and ewsinit always assigned it to 300 then) and it actually worked with just -f, but i still did the init as you said. i'll send you the dump file, looks like there is still mostly garbage from 0x100000 on though... Thank you very much. …

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Re: EWS64 XL MIDI TROUBLES

Posted on 2021-02-09, 10:45

by

by Tronix

in Marvin \ Sound

in Marvin \ Sound

put my 1.2 card in, ran ewsinit -f in DOS and then your tool, but i only get some "ERROR get ack!" messages. there is a dump file but i guess its useless then, does your tool expect the card at a certain address or something? and btw, since you mention it writing data i hope there is no chance of …

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Re: EWS64 XL MIDI TROUBLES

Posted on 2021-02-06, 19:56

by

by Tronix

in Marvin \ Sound

in Marvin \ Sound

Hi, Ar2r4eg gave this EWS64 board to me for diagnostics. So, what i tried to do: - found out that the signal when playing wavetable MIDI originates from the SAM9407 chip in the form of a digital line I2S (Philips serial protocol for audio), specifically from pin 48 - DABD1 (data). Also, with SAM9407 …

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Re: Bought these (retro) hardware today

Posted on 2021-01-20, 09:12

by

by Tronix

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Strange PCI video....

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Re: help extracting OPTi 82C931 DOS drivers from windows installer?

Posted on 2021-01-12, 17:06

by

by Tronix

in Marvin \ Software

in Marvin \ Software

You can use icomp95.zip - Install Shield De-Compressor v3.00.062 for Win95/98/NT (original proprietary (de)compressor.)

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Re: What music are you listening to?

Posted on 2021-01-10, 10:43

by

by Tronix

in Milliways

in Milliways

Metallica: Nothing Else Matters (Piano cover) https://www.youtube.com/watch?v=DmL12NRE4hQ

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Re: SB16 and sound volume levels in certain DOS games

Posted on 2020-12-27, 18:40

by

by Tronix

in Marvin \ Sound

in Marvin \ Sound

My small resident tool for set SB mixer values to middle

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Re: Voodoo 2 missing capacitor

Posted on 2020-12-20, 11:25

by

by Tronix

in Marvin \ Video

in Marvin \ Video

Look at this thread Voodoo 2 component map for capacitors values.

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