19 Aug 2012 02:05
Re: Lester Hands Lyra Author
Bill, I'll look forward to what you have done. Self-modifying code should be a challenge to figure out, but that will make it the more interesting! > > Lester Hands.. I have disassembled the ML part of BW2 and have a pretty > good source built. There is a couple of spots I'm unsure of. The code is > self-modifying in it's "pre-play" loop to modify the values in the actual > play loop. I've been messing with trying to put these values in variables > instead so that the code doesn't modify itself and also make it easier to > change values on the fly. Also, there are variables that are "poked" in by > basic and I've been working on isolating them to variables in the ML code. > I can send you the sources that I have and you may be able to do more than > I as you worked with this type of code more than I have. It's a lot like > the various Musica players that were made back then with the additions for > the EQ code. I'll send you the original disassembled source as well as the > one I've been modifying. I also typed in a text version of the article > from Rainbow so it's easily searched for info. There's a memory map and > variable table as well. > > Music from the Tandy/Radio Shack Color Computer 2 & 3 > https://sites.google.com/site/dabarnstudio/ > Bill Pierce > ooogalapasooo@... > > > > > -----Original Message----- > From: lhands <lhands@...> > To: CoCoList for Color Computer Enthusiasts <coco@...> > Sent: Sat, Aug 18, 2012 12:28 am > Subject: Re: [Coco] Lester Hands Lyra Author > > > Hi guys. You've given me a good idea for my first project. It has been 20 > years since I did anything with the CoCo and I am amazed to find a lot of > on-going development for it! My first effort for the CoCo was Musica. I'm > going to see what I can do to enhance it. Bill, have you already figured > out how BW2 works? >> >> Allen, I am actually working on trying to get my "Sound Chaser" player >> to >> use the Bells & Whistles engine on Musica files. Musica already used >> multiple waveforms, so all that is needed is to add the EQ section. The >> problem is that the BW2 code does a lot of self-modifying and I have to >> separate that out to variables then it should work. I'm also trying to >> do >> the same with Orchestra 90. >> >> Music from the Tandy/Radio Shack Color Computer 2 & 3 >> https://sites.google.com/site/dabarnstudio/ >> Bill Pierce >> ooogalapasooo@... >> >> >> >> >> -----Original Message----- >> From: Allen Huffman <alsplace@...> >> To: CoCoList for Color Computer Enthusiasts <coco@...> >> Sent: Tue, Aug 14, 2012 11:50 am >> Subject: Re: [Coco] Lester Hands Lyra Author >> >> >> On Aug 14, 2012, at 10:40 AM, Tom Seagrove <tjseagrove@...> >> wrote: >> >>> I have a video of a presentation he made at the Chicago 1988 >>> Rainbowfest. Can >> you pass on my email to him and ask he contact me please..... >> >> I was a big fan of Musica 2, and later wished that the engine in Bells & >> Whistles 2 (Rainbow) could have been incorporated in to Musica. >> >> Later, when Rulaford Research was selling Lester's stuff, I ended up >> with >> a >> modified CoCo MIDI pak (with extra switches and stuff) and other >> goodies. >> My >> first commercially sold software package was a MIDI librarian for the >> Kawai K1 >> sold through Rulaford. I had missed earlier chances to get a BBS package >> sold, >> and some VIC-20 games before that, so it was very exciting to see my >> name >> listed >> in an ad, along with some Lester Hands stuff. >> >> Good times. >> >> -- A >> >> >> -- >> Coco mailing list >> Coco@... >> http://five.pairlist.net/mailman/listinfo/coco >> >> >> >> >> -- >> Coco mailing list >> Coco@... >> http://five.pairlist.net/mailman/listinfo/coco >> >> > > > > > -- > Coco mailing list > Coco@... > http://five.pairlist.net/mailman/listinfo/coco > > > > -- > Coco mailing list > Coco@... > http://five.pairlist.net/mailman/listinfo/coco > > -- Coco mailing list Coco@... http://five.pairlist.net/mailman/listinfo/coco
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