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Re: MIDI to VGM translator

Posted on 2023-09-16, 16:08

Tested a couple of Sound Blaster 16 cards and found that one of them would only play OPL2 stuff, seemingly because of register initialization when switching to OPL3 mode. OPL3 tracks now clear register 8 and don't try to clear register 0xBD in part 2. (It's not clear from OPL3 Programmer's Guide …

Re: VGA custom character mode for Gameboy emulation

Posted on 2023-09-15, 20:41

So you want a 256x256 pixel buffer, using a character mode which represents two gameboy pixels using one (8x3) character? That would mean a 128x256 text mode. Isn't there only a 32KB memory area available for text modes? At 0xB800 segment? Since the gameboy has only 4 gray levels, I bet you could …

Re: MIDI to VGM translator

Posted on 2023-08-21, 12:56

Do you mind pointing me to an OPL3 VGM that the slowdown happens on? Back when SBVGM added OPL3 VGM support I didn’t have access to a slower PC. When I have a chance I can try to figure out why it’s slower. It’s great to see other VGM players; more love for the PC! 😃 Sure, no problem. original MIDI …

Re: MIDI to VGM translator

Posted on 2023-08-17, 00:52

My VGM player is prepared for dual OPL3. Never tested it because I don't know of any VGM that has dual OPL3, and no emulator that would give me such a configuration. But with your tool I can at least create dual OPL3 VGMs. Modifying DOSBox to have a second OPL3 may not be that difficult. Since you …

Re: MIDI to VGM translator

Posted on 2023-08-15, 12:05

YM2612 with -s1 switch can now play a MIDI channel(s) on the SN76489 if the notes are all within its frequency range. OPL3 can now play 9 channels. This is with 2x 2-op channels being paired together to create a 4-op channel. Added OPL2 (4 channels) and dual OPL2 (8 channels). Added preliminary ESFM …

Re: MIDI to VGM translator

Posted on 2023-08-01, 18:32

Release alpha5 adds support for OPL3 and dual OPL3... though I don't know if there is any software yet which can play dual OPL3 VGM on real hardware. SBVGM struggles to play single OPL3 on my 286, so I might have to add OPL support to my own VGM player (which has been only for my custom OPN card so …

Re: Why no Dual-OPL3 soundcards?

Posted on 2023-07-18, 15:22

Hm. Now that I think of it.. Wouldn't it be possible to combine two individual OPL3 soundcards? One at port 220h, the second at 240h? That's certainly possible. Many of us have an extra OPL3 or clone card around and a free slot to shove it into. Then just run the output into an input on the main …

Re: MIDI to VGM translator

Posted on 2023-07-14, 22:17

version alpha4 changelog: Changed the default pitch mapping to one that should be more technically correct. fixed a bug in SSG channel allocation faster conversion (runs in reasonable time on 286) added SSG attenuation switch added checks for memory buffer (datablob and reproc) overflow changed a …

MIDI to VGM translator

Posted on 2023-07-04, 16:13

edit: Convert MIDI files to VGM files from the command line! YM2151, YM2612, YM2608, YM2203, OPL2, OPL3, and ESFM are supported. Includes Win32, Linux, and 16-bit DOS builds. see below for latest release and info, or check the blog: http://www.hyakushiki.net/anachro.htm

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