MPU-401 to Sound Blaster (PCM/FM Synth) software emulator?

Discussion about old sound cards, MIDI devices and sound related accessories.

MPU-401 to Sound Blaster (PCM/FM Synth) software emulator?

Postby andreja6 » 2017-11-13 @ 20:11

I know that Sound Blasters and compatibles can play some relatively amazing and detailed sounds (even played some really cool FM synth midi sounds through Windows 98) , although such probably was not that easy to do through program due to lots of CPU usage... I wonder if it is possible today or even if such a program actually even exists?
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Re: MPU-401 to Sound Blaster (PCM/FM Synth) software emulator?

Postby cyclone3d » 2017-11-13 @ 20:23

The PCM sounds are going to be pretty much the same no matter the card. 8/16/mono/stereo are really going to be the only difference.

The FM music (Yamaha OPL2/3) is also universally the same as long as you have real Yamaha hardware no matter the card.

DOSBOX emulates a lot of stuff so there is that.
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Re: MPU-401 to Sound Blaster (PCM/FM Synth) software emulator?

Postby andreja6 » 2017-11-14 @ 00:12

cyclone3d wrote:The PCM sounds are going to be pretty much the same no matter the card. 8/16/mono/stereo are really going to be the only difference.

The FM music (Yamaha OPL2/3) is also universally the same as long as you have real Yamaha hardware no matter the card.

DOSBOX emulates a lot of stuff so there is that.


I didnt really write it out right. I meant to ask if there was software that emulated MPU-401 on sound blaster compatible cards using PCM/FM Synth
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Re: MPU-401 to Sound Blaster (PCM/FM Synth) software emulator?

Postby keropi » 2017-11-14 @ 00:31

you mean something like a "virtual midi device" ? such things only exist under windows
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Re: MPU-401 to Sound Blaster (PCM/FM Synth) software emulator?

Postby keenmaster486 » 2017-11-14 @ 00:36

I thought there was such a program/driver/TSR.

Something that acted as software MIDI under DOS, playing (as I remember it) through the OPL3 chip.
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Re: MPU-401 to Sound Blaster (PCM/FM Synth) software emulator?

Postby cyclone3d » 2017-11-14 @ 05:47

keenmaster486 wrote:I thought there was such a program/driver/TSR.

Something that acted as software MIDI under DOS, playing (as I remember it) through the OPL3 chip.


It might be possible to do so, but the only things I could find are a few different MIDI players that can use the FM synth.

To make it work for games, you would have to capture the MIDI I/O and forward it to the FM I/O port after running it through a translator.

You probably could get a starting point by looking at the source code for one of the players as far as the translation part goes.

http://dosmid.sourceforge.net/

http://bisqwit.iki.fi/source/fmdrv.html

https://github.com/Wohlstand/libADLMIDI

http://vgmrips.net/forum/viewtopic.php?f=15&t=1935
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Re: MPU-401 to Sound Blaster (PCM/FM Synth) software emulator?

Postby yawetaG » 2017-11-14 @ 06:41

There's a Yamaha MIDI driver that allows you to play MIDI via the FM portion of your (Yamaha YMF-based) sound card, but it only works under Windows 95/98 (and probably Win 95/98 DOS window).
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