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Re: Orpheus Soundcard: a new DOS soundcard with SPDIF/OPL3/MPU support

Posted on 2023-09-30, 06:16

in Marvin \ Sound

in Marvin \ Sound

Do you need any parts ? I might be able to help. I believe that we live relatively close to each other. Please feel free to PM me. That's a generous offer, but we've waited this long, so a few more years won't kill anyone. ;) The machine I was using was already struggling with the work, so if I …

Re: Orpheus Soundcard: a new DOS soundcard with SPDIF/OPL3/MPU support

Posted on 2023-09-30, 03:11

in Marvin \ Sound

in Marvin \ Sound

Can anybody explain the situation with WSS and the CS-4237? It sounds like certain games (ie. Sierra 16-bit and 32-bit?) have problems but there exists patches (thanks 640k!enough). How well any software will work with the CS4237 depends largely on the title's detection routines. If they …

Re: Orpheus II soundcard thread * LT board now available *

Posted on 2023-09-27, 02:40

in Marvin \ Sound

in Marvin \ Sound

If I wanted to connect the Tandy Nano through this card would I use the line-in or mic-in? (I'm assuming the line input but I don't know the output from the Tandy Nano...) Is it possible to use the microphone input so I can use the line input for my MIDI devices? The microphone input is …

Re: Orpheus Soundcard: a new DOS soundcard with SPDIF/OPL3/MPU support

Posted on 2023-09-23, 03:03

in Marvin \ Sound

in Marvin \ Sound

Whats' the best way to send these two text files to you? There are two obvious choices: either you simply attach them to a post here (or in the actual ORPHINIT thread ), or you e-mail them to keropi (address listed everywhere on pcmidi.eu), and he will know how to make sure they end up in my in-box …

Re: Orpheus Soundcard: a new DOS soundcard with SPDIF/OPL3/MPU support

Posted on 2023-09-22, 06:39

in Marvin \ Sound

in Marvin \ Sound

I have CF-IDE adapter installed yes - the issue is with the CF card that is used. There are CF-SD cards that allows you to slot microSD card into a CF card - an adapter if you will. It seems that Orpheus has trouble initialising if you use these CF-SD cards instead of an actual CF card itself. If …

Re: ITX-Llama (Vortex86EX ITX motherboard)

Posted on 2023-09-05, 02:09

in Marvin \ System Specs

in Marvin \ System Specs

Just got the boards in, plopped on a Geforce4 Ti4200 AGP card, and got video! 🎉 It's always nice when things work as intended. Did that require any additional bring-up code, or was it all configured at the hardware level, and worked without BIOS-level changes? Any idea what the compatibility list …

Re: ITX-Llama (Vortex86EX ITX motherboard)

Posted on 2023-08-24, 03:40

in Marvin \ System Specs

in Marvin \ System Specs

Eivind wrote on 2023-08-17, 16:10: 640K!enough: Here's your auto-detection idea implemented, working fine! 👍 Implementation was almost exactly what I described, I hope; no unpleasant surprises?

Re: Orpheus II soundcard thread * LT board now available *

Posted on 2023-08-16, 19:22

in Marvin \ Sound

in Marvin \ Sound

I'm wondering if adding some kind of "detune" mode would make the OPL3 sound richer? It might, but, as Tiido said, it would not be an easy thing to do, and for questionable advantage. Here, you'd have to insert that middleman before the CS4237, which already handles almost all of the bus …

Re: ITX-Llama (Vortex86EX ITX motherboard)

Posted on 2023-08-10, 20:32

in Marvin \ System Specs

in Marvin \ System Specs

The better this thing starts to look, the more ideas I get for making it even more elegant. An implementation idea that I like is using register X4 to detect the presence of the external FM module (activate external FM, set timer and busy-wait on the status word until expiry to confirm presence), …

Re: Voyager probes 40th anniversary

Posted on 2023-08-10, 20:20

in Milliways

in Milliways

Amazing how a 45-year-old probe is still chugging along somewhere, venturing beyond our solar system, with multiple redundancies in its design still paying dividends. Indeed, now if only Apple, appliance, car and other manufacturers would learn a few lessons about sound, dependable design from this …

Re: T-04YBSC-A, new YMF71x based sound card + SETYMF utility

Posted on 2023-08-10, 19:50

in Marvin \ Sound

in Marvin \ Sound

YMF718 chip seems to care to some extent about what is in the EEPROM and will not function right when there's garbage in it, although it will start up without the EEPROM. Interestingly, the CS4237 exhibits similar behaviour. Sufficiently corrupt or incorrect EEPROM content can cause it to enter a " …

Re: Orpheus II soundcard thread * LT board now available *

Posted on 2023-08-02, 03:41

in Marvin \ Sound

in Marvin \ Sound

Interesting, do you have any other examples where it is easy to hear the difference? Is Yamaha OPL generally considered superior in most scenarios? (Hence the reason for adding the chip?) I notice there is a "layered" option as well. Is this a recommended setting in any scenario? There can be quite …

Re: ORPHINIT: New Init Software For The Orpheus Sound Card

Posted on 2023-07-24, 19:10

in Marvin \ Sound

in Marvin \ Sound

Does having SET BLASTER=A220 I5 D1 in autoexec.bat have any potential to cause trouble with ORPHINIT? I tried Tyrian with those Blaster variables but with a ORPHINIT config that has DMA=0 and it worked just fine, so ORPHINIT settings take precedence? The BLASTER environment variable has absolutely …

Re: ORPHINIT: New Init Software For The Orpheus Sound Card

Posted on 2023-07-23, 21:20

in Marvin \ Sound

in Marvin \ Sound

Also just to be crystal clear about this I don't believe ORPHINIT is at any fault here, UNISOUND behaves exactly the same way without the P0 variable. Just asking for same kind of feature to ORPHINIT if it's not too time consuming to implement just for this reason. Just for good measure, I went …

Re: Sonic Buster 8: A new 8-bit ISA sound card

Posted on 2023-07-22, 04:10

in Marvin \ Sound

in Marvin \ Sound

I have done FIFO approach on some custom hardware and for a different YMF chip with great success. Host CPU only got stalled when FIFO was full and this wasn't a common occurence. System performance was muuuuuuuch higher with the FIFO than without and the FIFO allowed all the limited YMF bandwidth …

Re: ITX-Llama (Vortex86EX ITX motherboard)

Posted on 2023-07-21, 21:13

in Marvin \ System Specs

in Marvin \ System Specs

Btw, with fear of heading down the rabbit hole - this is not the first time you've mentioned inaccuracies in the datasheet; do you feel like elaborating on this...? :D Unfortunately, it's not just a claim that I can't prove. In some cases, I even went so far as to add warning comments to my code to …

Re: ITX-Llama (Vortex86EX ITX motherboard)

Posted on 2023-07-21, 20:02

in Marvin \ System Specs

in Marvin \ System Specs

It was my understanding that this would only affect simultaneous WSS playback and capture of audio, and the only drawback would be higher CPU usage because of the single DMA channel available. Is this correct? What, if any, real-world limitations would this pose, given that the CPU is very fast for …

Re: ITX-Llama (Vortex86EX ITX motherboard)

Posted on 2023-07-21, 19:28

in Marvin \ System Specs

in Marvin \ System Specs

You're right, the Vortex86EX only has a single DMA channel (DRQ1,DACK1) exposed on its stripped-down ISA bus. Thing is though, you only need a single DMA channel for the CS4237B. I suspect that will be fine for this design's intended use cases, but with only one DMA channel, you give up the …

Re: Sonic Buster 8: A new 8-bit ISA sound card

Posted on 2023-07-21, 19:23

in Marvin \ Sound

in Marvin \ Sound

Pull down /IOCHRDY for 16 wait-states? Jumper-activated for faster machines? I'm not sure that would solve the problem, and I'm also not sure you really want to be hogging the bus in that way. I won't have the cash or equipment to do this anytime soon, but I have been considering the idea of taking …

Re: ORPHINIT: New Init Software For The Orpheus Sound Card

Posted on 2023-07-21, 18:51

in Marvin \ Sound

in Marvin \ Sound

Right, I forgot to mention I've got PCMIDI on the board and I've disabled the Crystal MPU completely with EEPROM. I've also kept those settings on the .ini as default disabled. Kinda forgot the card even had two ways to use the wavetable. I hope also PCMIDI can be disabled somehow with ORPHINIT …

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