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sid2vgm

Technical discussion about the VGM format, and all the software you need to handle VGM files.

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  • denjhang Offline
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sid2vgm

Post by denjhang »

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
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  • denjhang Offline
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Post by denjhang »

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 by denjhang »

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
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  • ValleyBell Offline
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Post by ValleyBell »

Interesting stuff!
May I ask how you managed to convert this from OPL4 to OPL3?
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Post by denjhang »

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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  • ValleyBell Offline
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Post by ValleyBell »

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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