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 Post subject: sid2vgm
PostPosted: 2021-04-24, 15:50:42 
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Joined: 2021-03-24, 4:44:34
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Location: hk
I tried to run robosid on openmsx, which will use the OPL4 FM part (OPL3 in fact) to play SID music, and it doesn’t sound outrageous, which is really interesting.


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sid2opl4.zip [4.96 MiB]
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PostPosted: 2021-04-24, 15:52:21 
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Since the generated vgm uses the OPL4 chip, but actually only uses the OPL3 part, I think there is a tool that can implement opl4 to opl3.


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 Post subject:
PostPosted: 2021-04-29, 8:47:20 
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Currently I have a method to convert this OPL4 vgm to OPL3, the following are some results.


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sid 1_trimmed.vgm [331.28 KiB]
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 Post subject:
PostPosted: 2021-04-30, 0:51:04 

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Joined: 2011-12-01, 20:20:07
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Interesting stuff!
May I ask how you managed to convert this from OPL4 to OPL3?


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 Post subject:
PostPosted: 2021-04-30, 1:51:01 
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I currently use sbvgm136 temporarily, this version supports opl4 to opl3, and I use dosbox to record opl3 vgm, although this method is clumsy. If you have a better tool, please share it with me.


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 Post subject:
PostPosted: 2021-04-30, 8:38:26 

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Hmm .... playing back + re-recording is unfortunately not something that I want to accept for packs in the submission forum.
As a proof-of-concept it's very nice idea, but I imagine it may introduce a bunch of additinal inaccuracies in the resulting VGM.


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