From: Jim Brain (brain_at_jbrain.com)
Date: 2005-07-24 20:42:12
Antitrack@networld.at wrote: >a) "Fcopy PC 1.0 by TWA" >Someone obviously made a link to the PC and added this into FCOPY functionality, >but the link must be very weird. I disassembled the code and it would toggle and >wiggle a lot of $dc00/$dc01 registers; the code is at $4000-4200. >This means someone obviously constructed a very weird PC-to-c64-Joystickport >connector. Whilst it is clear that this would be able to transfer data from PC >to the 64, it is beyond my imagination how this hardware would ever allow one to >transfer data from the 64 to the PC, since the joyports are, naturally, >readonly. > Naturally, they are not. They are read write ports. I think the cable does nybble copying to the PC parallel port, which is also read/write on most newer parallel port implementations. To all: I've heard this myth of joyports being read-only often. Is it because the joysticks are read-only? Jim -- Jim Brain, Brain Innovations firstname.lastname@example.org http://www.jbrain.com Dabbling in WWW, Embedded Systems, Old CBM computers, and Good Times! Message was sent through the cbm-hackers mailing list
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