Meridian - Progress update

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By snout

Ascended (15184)

snout's picture

01-01-2003, 20:50

OK, I mirrored the latest version of Meridian (well.. uhm.. don't expect any OPL4 stuff in this one).. get it here (http://members.home.nl/szuidema/MERIDIAN.LZH). The mirror will be up until Michiel fixes the files on his website.

By snout

Ascended (15184)

snout's picture

07-01-2003, 18:02

Today, Michiel de Vries posted the following progress update to the MSX Mailinglist. As there are no downloads available yet, I didn't post it on the frontpage. But things are more than interesting enough to discuss:

Hi all,

The development of the routines to support the Moonsound is

going well. The following functions are working fine:

  • Tone editor for editing 200 two-operator FM-tones
  • Tone editor for editing 200 four-operator FM-tones
  • Tone editor for editing 384 ROM and 128 RAM PCM-tones. Of course, the RAM PCM-tones can use samples from the ROM-memory
  • OPL4 program (=instrument in MIDI) editor for editing 256 programs, that is 2 banks each containing 128 programs. Each program can be built up out of several 2-FM, 4-FM and PCM tones and each tone has it's own volume (relative), fine tuning (=detune), coarse tuning (=transpose) and key window (=musical interval within the tone can be played, example: C3..B7). For FM tones the pan setting is limited to Left, Center or Right. For PCM tones, the pan setting can be set to Left 7.. Left 1, Center, Right 1..Right 7 or connected to the pan event in the song.
  • OPL4 drum editor for editing 128 drums, that is 2 drumkits each containing 64 drums. This must be implemented from scratch, but a lot of routines from the OPL4 program editor can be used.
  • OPL4 master settings. Is working for 50 %.

In each editor you can load and save separate tones or programs. Functions to copy and paste settings are available. Test tones by pressing F4. Testing tones by MIDI-IN data is not implemented yet, but will follow for sure. Online help for each editor must still be written.

O, by the way, Meridian needs 64K more memory to use the OPL4.

I'll keep you all informed.

PS: any other suggestions? Let me know. Wolf did and almost all his suggestions are implemented.

Gtx

Michiel

By Latok

msx guru (3815)

Latok's picture

07-01-2003, 19:15

Erhm, this is pretty spectacular, isn't it?!

IT FOOOOOOOKIN' IS!!!!!!!!!!!!

By snout

Ascended (15184)

snout's picture

07-01-2003, 19:36

it îs ^_^ , posted it on the frontpage anyway. We'll send the reactions to Michiel!

By sjoerd

Hero (599)

sjoerd's picture

07-01-2003, 20:01

This is pretty impressive indeed Smile

I have two questions:

- How many tones can a program have?

- Can key windows overlap?

By MichieldeVries

Rookie (24)

MichieldeVries's picture

07-01-2003, 23:59

- How many tones can a program have?

The maximum is including 18 2-FM, 6 4-FM and 24 PCM tones. But I think this doesn't

make any sense at all. You will hear 42 tones (when not using 4-FM tones) when playing one note. It will be a very fat sound (if correct settings of volume, pan, fine tune and coarse tune), But it is limited to that sound only.

- Can key windows overlap?

Yes, they can. Otherwise, you will be able to play only 1 tone at a time within a program.

By MichieldeVries

Rookie (24)

MichieldeVries's picture

08-01-2003, 00:08

Meridian? Will it be finished? Ever? That project just keeps going and never seems to finish at all. And then, so much requirements?

Keep coding....

That's right. It will never be finished, because it's my life's work. The next year I'm working 10 years on it. Time to celebrate...

About the requirement: Meridian is just for freaks oO

By snout

Ascended (15184)

snout's picture

08-01-2003, 23:38

Great to see you on the forum as well, Michiel. Did not expect you'd make your way into the forum. I'm looking forward to the next release of Meridian and how people will respond to it. I'm amazed by the enormous progress you made in this short timespan already.

By wolf_

Ambassador_ (9850)

wolf_'s picture

14-01-2003, 00:04

Oh, michiel, by the way, make sure you get enough sleep before you come to tilburg, since I'd probably talk for hours to you about meridian Smile

By ro

Scribe (4353)

ro's picture

14-01-2003, 13:59

eh, Tilburg? when?

might be cool to see all of you again...

bring beer, maarten, lotsa beer!!

(hell, I've said that before.. maybe this year will be better than the last)

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