Author Topic: SymAmp with Amiga MOD support  (Read 224 times)

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Offline Prodatron

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SymAmp with Amiga MOD support
« on: 16:54, 18 January 22 »
In 2020 Maarten Loor ported his MSX NOP MOD player to SymAmp, but some issues were left, and I was too lazy to fix them at this time.

Now his Amiga MOD plugin is nearly fully running in SymAmp, and the 16bit I/O conversion has been done, so you can run it on the Amstrad CPC in SymbOS, too.


https://www.youtube.com/watch?v=kahDREIaOog

SymAmp supports 15 and 31 ("M.K.") instrument 4channel Amiga MODs and up to 62 patterns.
You need an OPL4 compatible MSX sound device (the original MoonSound or clones like the Monster Sound or the OPL4 Shockwave) connected to your CPC via the Amsdap slot expander.

I have to fix an issue with arpeggios and one more thing, then I can release this new version of SymAmp.
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Offline XeNoMoRPH

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Re: SymAmp with Amiga MOD support
« Reply #1 on: 18:07, 18 January 22 »
Awesome !!!, Waiting release for test 👏👏👏
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Offline HAL 6128

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Re: SymAmp with Amiga MOD support
« Reply #2 on: 23:09, 18 January 22 »
Great stuff!
A pity that is doesn't work with a OPL3 compatible sound card.
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Offline Prodatron

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Re: SymAmp with Amiga MOD support
« Reply #3 on: 23:45, 18 January 22 »
I got the Willy adapter from PulkoMandy yesterday and the OPL3LPT :)
But the OPL3 chip is FM only, no wavetable capabilities, so no Amiga MODs here and similiar stuff.
A VGM Plugin for playing OPL1/2/3 stuff would be possible for SymAmp.
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Offline TotO

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Re: SymAmp with Amiga MOD support
« Reply #4 on: 00:12, 19 January 22 »
Yes, the OPL1/2/3 are low-end FM chips used on gamme entry synthesisers and early PC soundboards like AdLib.
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Offline zhulien

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Re: SymAmp with Amiga MOD support
« Reply #5 on: 08:41, 19 January 22 »
Why do they call them FM chips? Paula on the Amiga and pretty much any 2 DACs are also FM right?
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Offline Prodatron

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Re: SymAmp with Amiga MOD support
« Reply #6 on: 09:18, 19 January 22 »
FM is frequency modulation, while wave table devices are using samples.

- Frequency modulation:
OPL1-3 (used in the Adlib PC soundcard, later FM-part of the Soundblaster, on the MSX as "MSX-Audio", "MSX-Music" etc.):
https://en.wikipedia.org/wiki/Frequency_modulation_synthesis

- Sample-based:
OPL4 (the Wave table syntheses part), Paula (Amiga), Gravis Ultrasound (PC), SoundBlaster AWE32 (PC), etc.:
https://en.wikipedia.org/wiki/Sample-based_synthesis

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Offline HAL 6128

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Re: SymAmp with Amiga MOD support
« Reply #7 on: 09:49, 19 January 22 »
Just a thought: with OPL3 or SP2 addons you can play cool MIDI sounds (GM / e.g. Monkey Island or other stuff). I think it's worth a try to create a MIDI player or tracker?
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Offline XeNoMoRPH

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Re: SymAmp with Amiga MOD support
« Reply #8 on: 10:07, 19 January 22 »
by the way, I am the proud owner of a powerful Gravis UltraSound MAX, ISA format, with 1 mega of RAM !!!  :laugh: [ here is , inside IBM PS1 ]

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Offline Prodatron

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Re: SymAmp with Amiga MOD support
« Reply #9 on: 10:37, 19 January 22 »
Congratulation! :) I don't have my Gravis Ultrasound "Classic" anymore. For the PC it was a revolution. Too bad, that it was only successful in the demo and tracker scene.

But for me it is still crazy, that with the MoonSound/OPL4 the MSX as a Z80 machine already had a similiar powerful hardware at nearly the same time (1994). 16bit samples, 44KHz, at least 24 PCM channels (instead of 32).
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Offline XeNoMoRPH

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Re: SymAmp with Amiga MOD support
« Reply #10 on: 13:58, 19 January 22 »
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