On Fri, 16 Mar 2001 ncoplin@orbeng.com wrote: > The main issue I feel is copyright vs patent. CMD has the copyright to the > JD code, but has the transmission protocol been patented. I don't think so. I searched the patent database at <URL:http://www.delphion.com> for CMD. The search returned 31 results for at least three different companies: Custom Machinery Design, Inc., Appleton, WI; CMD Electronics, Inc., Charlotte, NC; CMD Technology, Inc., Irvine, CA. There was nothing about communication protocols. > If it hasn't then provided one simply didn't copy the C64 or C128 > code, a VIC20 version of JD could be created.... How could one possibly copy the code? It's for a different hardware. Copyright doesn't cover ideas or algorithms; it only covers the way they are presented. Too bad that the C64 or C128 version of JiffyDOS can't be distributed freely. Someone who already has a copy of it must reverse-engineer it (mainly detect the differences from the original KERNAL) and make the new version. Once a JiffyDOS compatible KERNAL for the VIC-20 is finished (no, I'm not claiming I'd do it), it could be used as a base for developing a JiffyDOS compatible KERNAL for the plus/4. Marko - This message was sent through the cbm-hackers mailing list. To unsubscribe: echo unsubscribe | mail cbm-hackers-request@dot.tml.hut.fi.
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