I have already started a disassembly of Orch90 and as I sort out the all the routines, I can send you a list of entry points if you would like. It may take a while though. I'm just getting back into the disassembly thing so things are slow. I used to be faster at it (didn't we all). Sorting through all the editing routines to get to the core play routines is a pain. Not to mention that the complete William Tell Overture and the routines to copy it to the song buffer also help to confuse everything. That is why I'm checking to see if someone else has already done it. I was told that there was someone working on it at one time.
On the Drivewire4/Mess... is it possible to at least give a detailed, step by step of how to do it? I have all the tools from the Mess site and the ones from Drivewire. I just really need to know what versions of the Mess tools/packages I need to use and the steps to patch the code for drivewire. I really understand if there's no time, doesn't hurt to ask. BTW Aaron.. watched your YouTube videos of Drivewire playing MIDI... impressive. I use MIDI on a day-to-day basis in my studio for backing tracks for singers that can't afford bands. So MIDI is something that I really know something about (thanks to the Coco, Lester Hands and Michael Knudson).
Bill Pierce
ooogalapasooo at aol.com
-----Original Message-----
From: Aaron Wolfe <aawolfe at gmail.com>
To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
Sent: Tue, Nov 29, 2011 8:06 am
Subject: Re: [Coco] Orchestra 90 disassembly
My goal is to support playback of the various "orchestra 90" song
iles floating around the internet, so I suppose that means a bit more
han just accessing the DACs. I was hoping the rom had routines
nside which could be convinced to do my bidding, and the target
nvironment isn't really robust enough to implement anything much more
han loading ram and calling some subroutines (at least not in the
ime I can commit to such a thing)
As for DW4 and mess.. this isn't something I have time to maintain or
upport, but the patch and tools are available if someone wants to
ackle that one.
Aaron
On Tue, Nov 29, 2011 at 7:58 AM, Bill Pierce <ooogalapasooo at aol.com> wrote:
If you're just looking to use the stereo 8 bit DACs... that's no big deal. If
ou have a multipack and it's plugged in, the DACs are always online. You just
end your data to the 8 bit DAC addresses. Example:
LDA <Data> channel 1
LDB <Data> channel 2
or
LDD <Data> both channels
then
STD $FF7A (orch90 dacs are at $FF7A & $FF7B)
If you're looking for the 5 voice, waveform mixing routines, then that's
nother matter. There's several programs out there that do similar and even more
omplex routines. "Bells & Whistles II" in the 06/87 Rainbow comes to mind as it
as 4 voices, 8 definable waveforms, 8 definable volume envelopes and a 128 band
Q. I have already started a disassembly of this M/L routine that is well on
t's way to being finished to be included in my player. I hope to do this under
S9 level II and include modules to play Orch90, BW2, Musica, Lyra, Umuse3, and
tandard MIDI as well as standard sound files (.wav ect.). ANY help in
issecting any of these players would be a great help. The OS9 players that are
ut there (that I know of) are PlayMuse (musica), UBox3 (Umuse3), LyraPlay
Lyra), MFFplay (std midi) and it seems like I've seen a PD OS9 version of the
rch90 player but it only had 4 voices (I think). I know there's a DECB version
ut as stated, it's only 4 voices. I would really l
ike to use the original 5 voices. So... any help with any of these players
ould be greatly appreciated.
On that note... Aaron... is there any way you could compile a version of Mess
or Drivewire4 and make it a package? I really need the MIDI capabilities and
he author of VCC seems to have disappeared, so I guess MESS is the only answer
would rather have VCC). This would really benifit the Coco community on so many
evels.... ;-)
Bill Pierce
ooogalapasooo at aol.com
-----Original Message-----
From: Aaron Wolfe <aawolfe at gmail.com>
To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
Sent: Tue, Nov 29, 2011 3:05 am
Subject: Re: [Coco] Orchestra 90 disassembly
I'm also interested in this, or any information/ideas on how to use
he orchestra 90 to play song files from my own asm code (possibly by
sing routines in the rom?)
n Mon, Nov 28, 2011 at 9:33 PM, Bill Pierce <ooogalapasooo at aol.com> wrote:
Hi guys,
Anyone know of a disassembly of the Orchestra 90 software from the rompak? I
orking on a player for multiple music formats and need this code to play the
rch90 files.
Thanks
Bill Pierce
ooogalapasooo at aol.com
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