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Re: SBVGM (DOS) VGM Player

ooh the hat of shame is an heavy one to wear 😳, before contacting Kaminari I made sure I had latest version of his rip and apparently I did not and it play perfectly now... I made you waste your time because of this and I feel terribly sorry about that 😔 No worries at all! That's one of the …

Re: SBVGM (DOS) VGM Player

Hi OPLx, I must have forgot that the SAAYM soundcard allow to play Genesis/Megadrive VGM, and most of them sound perfect ! But I realized that one of the very best soundtrack for the console was not plaing properly, it's the Dune music from Cryo. The music by Stephane Picq and Philippe Ulrich is …

Re: SBVGM (DOS) VGM Player

Have you tried to add the -noscan parameter ? In version 1.35 OPLx implemented that function that comes in very handy when you have multiple soundcards with overlapping features and you want to disable "searches" and manually specify what devices you want in the mix. For instance "sbvgm.exe -a388 - …

Re: SBVGM (DOS) VGM Player

I used the cyber1-2.zip files to check it out using an SAAYM and it seem everything is in there now! I also noted SBVGM1.32&1.33 would leave a weird noise at the end of the music but it was corrected in 1.41, but the noise is still somewhere. When using OPL3 to play YM262 files it end up leaving a …

Re: A DOS program to test OPL2 percussion (0xBD)

in PC Emulation
Perhaps it's a bad VGM capture rather than a bug? I've attached a DRO version of highways that I captured for you. Maybe this doesn't have the issues you see. In your file, the 0xB7 register has index 0x75. After searching 0x75 after header There is only one occure: "75 00". This file also is …

Re: A DOS program to test OPL2 percussion (0xBD)

in PC Emulation
OPLx , thank you for your research. Do you have your detailed notes about it? It is not describad in any online document (the Tom Tom influence to HH/CY). In future if I will have YM3812 (the YM3812 costs only $1-3 per one item) I can try to study this mechanism. Is the TC also influenced by …

Re: A DOS program to test OPL2 percussion (0xBD)

in PC Emulation
Just a minor correction to what I wrote above. The FNum and Block value for operator 15 (tom tom) and the Multi setting for operator 18 (cymbal) affect the final output on operator 14 (hi hat). Operator 17 (snare drum) is only influenced by operator 14's FNum, Block, and Multi setting.

Re: A DOS program to test OPL2 percussion (0xBD)

in PC Emulation
I will look today at snaretest file. One thing to keep in mind is that the frequency of the tom tom (operator 14) affects that of the hi hat (operator 13) which ultimately affects the snare drum's frequency (operator 16). The roadmap uses operators numbering from 1 instead of 0. Thus "(14)" means …

Re: A DOS program to test OPL2 percussion (0xBD)

in PC Emulation
While it does not reveal the full details of how the percussive mode works, the OPL3 Percussion Mode Map is fairly a close model. One thing to keep in mind is that the frequency of the tom tom (operator 14) affects that of the hi hat (operator 13) which ultimately affects the snare drum's frequency …

Re: A DOS program to test OPL2 percussion (0xBD)

in PC Emulation
Could you point me to which VGM data "02 Opening ~ Space High" and "03 The Power of Darkness" references? I'm very familiar with "001 highways"; the snare drum is missing the square wave that is typically mixed in with the (fixed frequency) noise. You can clearly hear it here.

Re: Drums on truly real OPL2

in PC Emulation
NukeYKT OPL3 is a fairly accurate OPL3 emulator, so that should provide you with some hints and you wouldn't necessarily need actual hardware due to the said accuracy. Having said that, there are some subtle differences between the OPL2 and OPL3 that has been documented . In some of my tests there …

Re: A DOS program to test OPL2 percussion (0xBD)

in PC Emulation
There's an old DOS program called Super Sound Gram v1.05 that plays back Adlib Visual Composer .ROL files. You can download it from here towards the bottom of the page under OPL2 Music Players . You'll need to have access to SOUND.COM and a bunch of ROL files to use it though. Probably the less …

Re: SBVGM (DOS) VGM Player

SBVGM v1.40 is available from: http://www.oplx.com/code/ This update includes: Fixed bug where low AY3891x/YM2149 frequency values translated to SAA1099 frequency values would result in a high pitched sound. Fixed bug (introduced in v1.32) that did not properly clear the SAA1099 registers at start …

Re: SBVGM (DOS) VGM Player

That was quick ! Congrats on fixing this one too ! People with SAAYM will sure be happy about that, I know I will ! I usually compare with older version, dont know why for this bug I did not, would had saved us some time. Thank you. The fix will benefit any sound cards with the SAA1099 chips (SAAYM …

Re: SBVGM (DOS) VGM Player

It looks like you found a bug! I listened to the files, but unfortunately I could not hear where the problem is. Could you provide more information on this? I made a stereo music of two mono music output using SBVGM 1.39 on the SB1.5+CM/S and sync them. The left one is with parameters -a -x -noscan …

Re: SBVGM (DOS) VGM Player

I think I found some difference in silpheed from this url, it's also easy to compare with them online player https://vgmrips.net/packs/pack/silpheed-nec-pc-8801 - the music "01. The Legend of Silpheed (opening)" sometimes do a weird noise if it's the first thing I play with the SAAYM. I'm not sure …

Re: SBVGM (DOS) VGM Player

Thank you for the sample data! It will help out for sure. I'm not yet 100% sure what the cause is, but I did find out something about the YM2149. Any of the 3 channels can be set up to use the envelope generator output level and when this happens, the envelope generator output level determines the …

Re: SBVGM (DOS) VGM Player

Thanks for version 1.39, the RSX is recognized properly again. Now to fully test out the YM2608/2203 features on my new SAAYM. You're quite welcome! Thank you for bringing it to my attention. By the way, the YM2151 in the SAAYM is architecturally different from the YM2608/2203. The main …

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