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Nutter, another visitor from UK. Saturday, 23rd December 2006, 15:02

.. hit the word limit there. But anyway, yes the program has probably failed to correctly detect the base address of the Adlib support. I'll have to try some more things.

Nutter, another visitor from UK. Saturday, 23rd December 2006, 15:01

Sorry guys I mean absolutely no disrespect but the facts simply aren't as you stated them. Do I need an actual 16-bit SoundBlaster ISA card to run AT2? The answer is an emphatic "no".

First of all the Yamaha YMF724 has the OPL3 chipset - the actual OPL3 internal synthesizer - inside it. All Yamaha YMF7*4 are "Legacy" cards that have the original OPL3 FM synthesizer (and not a fake emulation by some other manufacturer) included in their chipset. The OPL3 chip itself is not separate, but is 100% included inside the chipset, without alteration, by Yamaha. PCI is a reference only to the bus that plugs in to the motherboard. There are very many PCI cards (not just those made by Yamaha) that contain the complete OPL3 (original) in the chipset, because Yamaha licensed the technology to many other companies.

I have another computer with a modern Ensoniq soundcard built into the motherboard. It runs Adlib Tracker 2, but the sounds are slightly different to how they're meant to be. This i

Essentric, adlib-wizard from Australia. Saturday, 23rd December 2006, 12:16

You need a native ISA standard sound blaster 16 or equivalent that has the OPL3 to run Adlib Tracker. The Operating system has to be one that runs over DOS, such as Windows 98, 95, 3.11, and so on. Windows NT derivatives such as WIN2000, XP, and so on, do not support ISA hardware the same way as native DOS derivatives. The processor has to be a 100MHz x86 Intel compatible or above. If you check that you have everything right according to these specs, then you should not have much trouble running Adlib Tracker. If you have a new windows XP machine that has no ISA ports, forget it, and go to the dump recycling centre or the secondhand store and search for a native ISA capable PC, Prefferably a Socket 7.

Moogle!, listener from No. Saturday, 23rd December 2006, 6:20

Nutter, do you know who made the card? At any rate, that chipset is a PCI card, what just emulates the OPL part, as far as I know. And which OS are you using?

Nutter, another visitor from UK. Thursday, 21st December 2006, 16:09

Hi fellas. Just dropped by to ask for some assistance. I've installed a new Yamaha YMF724 (for the OPL chipset) just to do some tracking. But there's a problem. Although the soundcard is correctly installed with the right drivers and it works for all other purposes, Adlib Tracker and other FM trackers including RAD just give me silence when the module is running. There's no sound output at all. I think maybe because the card uses base address 220h? Any ideas how I could fix this? Thanks

MadBrain, musician from Canada. Friday, 15th December 2006, 18:32

We should have an opl3 one hour compo some time, don't you think?

Elan, musician from Slovakia. Thursday, 14th December 2006, 22:03

MadBrain: Well I am looking for your www link.

MadBrain, musician from Canada. Thursday, 14th December 2006, 21:26

I have a large amount of Opl3 tunes in preparation, with a gazillion 4op voices and macros ("hacks") and good enough composition, including a Duke Nukem 3d cover and some orchestral music among other things. I should be ready to release soon... I dunno how I'll distribute mp3 versions though!

Xmas release would be cool, no? :)

.:Elan:., musician from Skivakia. Monday, 11th December 2006, 15:19

2Essentric : I am bussy too. I have exams... But I will have Xmas Holidays soon...

Essentric, musician from Australia. Thursday, 7th December 2006, 14:30

Okay I have linked to this webpage, as best as I could to show people what software is making the OPL3 Churn out these chunky beats. I hope that the Adlib scene grows. OPL3 ROCKS!!!!!!!!!!! as for Elan, I will Email you, I have just been busy.

elan, musician from Slovakia. Tuesday, 28th November 2006, 12:55

Essentric -> e-mail is OK!!!

I use ICQ to chat with family and friends when I am on college ...
BTW my email is YMF262atGMAILdotCOM I start with Opl this year but I have 13years FastTracker,ScreamTracker ... experience so I hope I will learn quickly :).

Or use atari130xeATgmailDOTcom I like Pokey too.

Essentric, musician from Australia. Tuesday, 28th November 2006, 6:44

Oh yeah, And I will link to this webpage when I work out how to do so so I can credit everyone who is involved in creating the ADT2 program. :) I did credit in the blog but I feel that it is a little sloppy. :( Anyway, good luck to all, got to go.

Essentric, musician from Strayliah. Tuesday, 28th November 2006, 6:40

Erm, I am sorry, I do not use ICQ on account that the security threat is high on that program, and if I stuff up my dads computer (which is this one) he will not be happy. You can contact me in my hotmail account: essentric84@hotmail.com or you can find my new account on Myspace.com And search for Essentric. I am not that hot Asian chick though who also calls herself essentric. You will see my "Alien Worlds" CD cover as my profile photo, I am registered as a musician so you can download my MP3"s tunes which are composed on the OPL3(I am an OPL musician :). When I get the ancient Pentium 133 laptop up and running I will see about running ICQ. I am completely sorry otherwise I would have no problems with authorising you in ICQ.

elan, musician from Slovakia. Monday, 27th November 2006, 11:02

Encore too...

elan, musician from Slovakia. Monday, 27th November 2006, 11:02

Essentric please authorize me on ICQ: two40-840-99six
After Xmas I will have my webpage with some my tunes...
Matej "elan"

essentric, musician from Australia. Friday, 24th November 2006, 10:07

Hello test, haya goin mate? been testing a few things lately? :D

Test, another visitor from Test. Thursday, 23rd November 2006, 21:41

This is an automatic test. :)

Essentric, musician from Australia. Saturday, 11th November 2006, 13:40

I do not have a problem running ADT2 in pure DOS, anyone else?

Encore, adlib-wizard from Sweden. Saturday, 11th November 2006, 13:12

Regarding the messageboard, I've added a simple filter that will hopefully sort the crap out.

Da!NyL, coder from Germany. Friday, 10th November 2006, 21:18

Regarding Digi on Adlib: even if it's working, it still would be 6bit logarithmical. And we only got ONE timer to use, which would run at a very high (>8khz) sample rate. Too much for Windows'9x. AND we still have all other AdlibTracker tasks running with this one timer: Macros & Playing for example. Well. Fixing the last point shouldn't be that difficult. But a high timer rate would really make ADT2 DOS-ONLY. (As if that would be a problem =)

elan, musician from Slovakia. Thursday, 9th November 2006, 10:56

I found this one : http://www.pascalorama.info/article.php?news=30&cat=22
But I have not test it.

Essentric, musician from Australia. Thursday, 9th November 2006, 10:45

Yeah, I got that program, PSG2MOD. I have made some tunes with it. PSG2MOD was what got me interested in Trackers. Yes it is for the PSG sound chip only, and it is fairly limited, where you cant do portamento shift programming, I think? I would have to look at the program again, but I remember that I could not do certain effects like I heard the Master System do. The program can also write tunes for systems as far back as the Colecovision, a very early hardware ancestor to the Master System. The company funnily enough was also manufacturing Cabbage patch kids at the time, and was making more money from them, and despite that, Colecovision went bust from the videogame console market crash in the early 1980s, and ATARI almost went down with them.

elan, musician from Slovakia. Wednesday, 8th November 2006, 11:26

There is PSG2MOD but it is for Mastersystem soundchip I think...

Essentric, musician from Australia. Wednesday, 8th November 2006, 0:02

I tried to find a tracker for the megadrive, there aint one around available on the internet, but I bet Sega is still clutching their tracker with their own claws. Its either Sega releases it or someone will reverse engineer the console and write one. also remember that the Sega has not got the most impressive signal to noise ratio, I dont know anything about the Atari JIL though, as I was more or a Megadrive nerd back then, than anything else.

Essentric, musician from Australia. Monday, 6th November 2006, 23:55

Well imagine that, 18 channels plus 10 Megadrive channels including the PSG, bigger polyphony than before not to mention the independent operator frequency offset of one of the ym2612 channels (Ideal for percussion channel). If it does happen, then this will be the biggest FM development project ever! To interface with the megadrive, you would need to develop a ROM cartridge with a serial or parallel interface to connect with the PC, Software written to enable sound hardware access from the PC, this will be a big project within itself. Anybody up to the task?? ;) Then the client program for the Megadrive could have Sample banks for the megadrive to push through its DAC channel at command, along with Instrument tables.

Malfunction, adlib-wizard from Polska. Sunday, 5th November 2006, 17:37

I'd like to see some external clients for next generation Adlib Tracker II :) Consoles or/and computers with special cartridge + USB cable, playing as external soundcards :) Just imagine requester "Sega Megadrive external client detected, Atari JIL external client detected. Search again/Continue?" ;D

elan, another visitor from Slovakia. Sunday, 5th November 2006, 14:23

How about make Megadrive MidiBox or Megadrive Tracker /Megadrive+Flashcartrige+Tracker like LSDJ/.
Or MDTracker / for PC / + Liveact sequencer for MD???


Essentric, musician from Australia. Saturday, 4th November 2006, 15:14

I got it mixed up on the Sega MS PSG, Dislexic me, PWM not as loud, but better sounding, Volume logging created "beat frequency" harmonics with the oscillator note frequency and the sample rate, not to mention, not least, the 4 bit resolution limit, but it was louder. interesting stuff your showing me:) anyway got to sleep:)

Malfunction, adlib-wizard from Polska. Saturday, 4th November 2006, 10:14

Please read very interesting article about PWM sample playing on 8580 SID :) I dunno If FM square modulated will be louder than normal volume register writing:


Essentric, musician from Australia. Friday, 3rd November 2006, 6:43

The Sega Master system has a Z80 as the main processor, and besides being crippled over not having enough decent software writers, it was not a bad console. It was more powerful than the NES, (the Master system had true X and Y scrolling platforms 32 colours, while the NES (with a custom 6502 processor) only had Native horizontal scrolling as far as I know, and 16 colours) The Master system had a YM2413 (Japanese version) so had better sound, and the Megadrive is only a Master system... Supercharged with the 68K, More VRam, and the YM2413 replaced with the YM2612. The master system played samples by either Volume register writing, or the more louder and crummier PWM on the TI76489 PSG.

Essentric, musician from Australia. Friday, 3rd November 2006, 6:26

I like the 68K Processor and dreamed of making a computer out of one, the Megadrive is my favourite console of all time :). The playback quality of the drums on Sonic3 sounded like 22.050Khz. I guess it is actually a good thing having a DAC with no automated hardware control, because it gives me an idea that when the channel is in that state, you can completely control of the PB rate on a sample sample from software control to bend the sound of a symphony crash, or make a few tom tom drums out of one. You have my vote on the Volume register writing on the OPL. My main motivation is to make dancefloor techno tunes so would demand high quality sample PB which is when the SB16 DAC channel comes in. Having LoFi crusty 6 bit samples can add a bit of character to a mix though :)

Malfunction, adlib-wizard from Poland. Thursday, 2nd November 2006, 23:52

Yeah - but 8-bit Z80 is just a toy in comparison to 32-bit MC68000 :) I'm into Altera EPM1270 CPLD now, but it's anothr story :)

Da!NyL, coder from Germany. Thursday, 2nd November 2006, 16:29

Yo Malfunction! Don't forget that the MegaDrive had an additional Z80 processor which could be used to drive the YM2612 so that the M68k didn't have to do it -> more effects (Samples) without any 68000-CPU usage. So how about a little AVR-RISC @ 20Mhz on your Soundcard? Or better yet: the holy grail: the eZ80.

Malfunction, adlib-wizard from Poland. Thursday, 2nd November 2006, 15:15

I have an idea to make external USB soundcard with some original sound chips :) I'm thinking about YMF278 (OPL4) chip with ROM and SRAM and maybe additional YM2612 or YMF288. It should work on any modern computer. I'll try with YM2612 at first because it's cheap to get it out from old MegaDrive I :)

Malfunction, adlib-wizard from Poland. Thursday, 2nd November 2006, 14:55

YM2612 chip in Sega MegaDrive has simply NO support for PCM playback except 8-bit register where you can write sample data. In that mode channel 6th is disabled except stereo settings. No timming, no DMA, no frequency settings - nothing. Just like writing to COVOX :) You have to make all sample replaying by software, so sample rate may be as high (or low) as you program that on MC68000 CPU. But I assume that upper limit is about YM2612-chip writing latency :)
Here is nice info:

Essentric, musician from Australia. Wednesday, 1st November 2006, 3:27

I now understand now about the Macro limits, so it has to be either an embedded file, or a logged file. I became aware that the OPL was capable of PCM playback when I looked at this device: www.ucapps.de/midibox_fm.html
The feature (although software implemented) was used to achieve more complex modulation characteristics.

Essentric, musician from Australia. Wednesday, 1st November 2006, 3:07

Yep I did hear 1khz samples when I did some experimentation with some software LoFi distortion simulators. you would really need at least 2Khz sample rate to achieve barely intelligible speech playback, 6 Khz will be okay, though to have some useful sound quality you would need about 8K. The megadrive has much higher quality sample rate capabilities than 8K but it is definitely not 44K, Maybe 11.025, I cant remember exactly, but it rings a bell. Although that games console distorted the playback terribly with a 50Hz vibrato, which is maybe the FM/PCM Timer programming artefacts. Do you know the sample rate capabilities of the OPL3

Malfunction, adlib-wizard from Poland. Tuesday, 31st October 2006, 10:48

And sample bank could be stored in external file - for example TUNExxx.A2S, so song will be small and playable even without samples :D

Malfunction, adlib-wizard from Poland. Tuesday, 31st October 2006, 10:45

Rather forget about such idea :)
1. Macro has 255 positions - rather chip-like samples, but we don't need chip-samples - we have powerfull FM already :D We need bigger (say 64KB) samples for percussion/voice(?:) or F/X.
2. Macro is just too slow - 1KHz is amazingly fast for macros but horrible slow for sample replay :D

The solution should be (in my opinion :) one PCM channel mode settable for one of the channels to play 8-bit unsigned samples on 6-bit volume. One channel should be enought to play percussion/voice and will not make FM composing obsolete, what could be if we will have too many PCM channels :D
So AdT2 could have FM instruments and PCM instruments (for example up to 64KB unsigned 8-bit mono samples). Maybe nice idea could be to make addtional COVOX on LPT support - COVOX channel :D

Essentric, another visitor from Australia. Monday, 30th October 2006, 23:30

Will it be possible to play samples in Adlib tracker as it is now, by turning samples into instruments, where the Macro holds the sample information? If it is possible, then someone might be able to make a software tool that comes with the main tracker that will convert a standard 16-bit or 8-bit sample to a macro instrument. This can mean that the channel can alternate between PCM and insrument mode, when it alternates between an FM BD and a PCM snare. I did hear 6-bit sound before, it is inteligible but was very scratchy, unless some kind of dittering can be done through converting to 6-bit, anyway, having two separate Op with their own volume registers, would that potentially bring the resolution somewhere between 6 and 12-bit with some intelligent volume register mapping?

Essentric, musician from Australia. Monday, 30th October 2006, 23:16

This is the stuff man. This sounds similar to what happens on the last channel on the YM2612 on the Megadrive. Apparently the programmers sacrifice the 6th FM channel to turn it into a fixed 8-bit PCM channel, which allowed for CPU intensive PCM Mixing and playing. The problem though was that it was impossible to get the PCM and FM playback working simultaneously without clever timer programming. Most games on that console though played samples and FM simultaneously so the technique was common enough to make it look easy. I guess that explains the reason why the PCM playback on the Megadrive sounded so ratty, Timer interrupts or something. I am not sure wether you will run into the same problems on the YM-262 chip, but it will be interesting.

Encore, adlib-wizard from Sweden. Monday, 30th October 2006, 18:46

Malfunction: If done that way, it will be interesting to see if the OPL3-emulation also is up to it. :)

Malfunction, adlib-wizard from Poland. Sunday, 29th October 2006, 2:47

Kenny Chou (aka CC Catch) was a musician who used Adlib FM + 4(??) channels of PCM sound on Sound Blaster. That was one of the finest examples of tunes with mixed FM/PCM.

About ScreamTracker3 - I really don't know if there exist any FM/PCM mixed S3M tune. I'm not sure but I do remember I've read somewhere that ScreamTracker3 may have problems with FM/PCM synchronisation/timing. But it's easy to try out :)

I'd be rather voting for OPL2/3 volume-register-writing 6-bit samples, because of no need of DMA-DAC. In that way samples can by played on AdlibGold, home build OPL3 card or 8-bit computer (if fast enought) :) Maybe it's not Hi-Fi digitized sound, but for drums and additional special FX will be OK. Music is on FM :)

elan, musician from Slovakia. Saturday, 28th October 2006, 23:23


but I am not sure that solution is what you want...


" Scream Tracker supported up to 100 8-bit samples, 32 channels, 100 patterns & 256 order positions. It could also handle up to nine FM-synthesis channels on sound cards using the popular OPL2/3/4 chipsets, and, unusually, could play digital and FM instruments at the same time. "


Malfunction, adlib-wizard from Poland. Saturday, 28th October 2006, 11:36

In my point of view - technically it isn't a problem to make digitized sound on OPL2/3. From the programmer point of view - it has to be used on one or more channel (best in AM mode to twice the loudness) by setting LOUD waveform (f.ex. square), setting frequency to ZERO (to stuck phase shifting and getting constant DC) and constantly timer-putting digital stream on volume register. It will be 6-bit logarythmic sample :) The more tricky version is to use BD channel in Rythm Mode for sample playback, because that channel is TWICE as louder in hardware :)

Essentric, musician from Australia. Saturday, 28th October 2006, 4:24

My machine is an AMD K6/2 550 with a AWE64 and its a bewdy mate!!! To make a Psy trance Kick drum, just set both operators to sine, AM mode, full volume, no feedback, then pick a high note and set a very fast portamento fall: DOOF!!! there yego!!! Although if there is a sample track I would be making some replicas of Megadrive music, Log the DAC with the YM2612 switched off in Genecyst to get your samples, use wave editing software to cut the samples, then load them into a tracker that has a sample track, then use the OPL in 4op mode, using the remaining 2op channels to emulate the PSG, wouldn it be nice!!!

elan, musician from Slovakia. Friday, 27th October 2006, 19:33

Ok I will try It. But I think the best way will be sell that 133mhz and buy one 266-300mhz old note - XMAS :)

subz3ro, coder from Slovakia. Thursday, 26th October 2006, 9:16

elan> Maybe you should play a round a bit with option "cpu_saving" under section "TROUBLESHOOTING". But I'm affraid that P133 still won't be enough, let's say, for some macro stuff :(

elan, musician from Slovakia. Wednesday, 25th October 2006, 20:52

All Opl2/3 maniacs -> my ICQ: 240-840-99six

elan, musician from Slovakia. Wednesday, 25th October 2006, 20:44

Is 133mhz+16mb enought for fast tracking???

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