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Anyone try C=Key?

 
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Fujisawa Rob
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Joined: 09 May 2012
Age: 38
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PostPosted: Sat May 12, 2012 9:08 pm    Post subject: Anyone try C=Key? Reply with quote

Looking to possibly put my "new" C64C late revision board into a tower. The case is scratched up so I don't feel too badly about that. I think an IBM Model M keyboard (appropriately re-badged) would be ideal. Can the C=Key be easily re-mapped? I prefer symbolic to positional mapping, a la VICE, when using a PC-style keyboard.
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1541-II, (3) 1541 (Alps), (2) 1541 (Mitsumi)
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Nonax
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Joined: 24 Aug 2011
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PostPosted: Sun May 13, 2012 8:22 am    Post subject: Reply with quote

It is not going to be as easy as that I'm afraid. An IBM keyboard has its own logic and is connected to the PC with a serial interface. The keyboard in the C64 is scanned by the CPU itself. Therefore the C64 keyboard has about 20 connection lines and an IBM keyboard only three. To use an IBM keyboard there will be some extra electronic logic required.
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Fujisawa Rob
Groupie in Training
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Joined: 09 May 2012
Age: 38
Posts: 54

PostPosted: Sun May 13, 2012 1:21 pm    Post subject: Reply with quote

Yeah, that's what C=Key does.

http://www.go4retro.com/products/ckey/

I'm just wondering how well it works.
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SX-64, (2) Breadbins, 64C Rev E
1084S, 1702
1541-II, (3) 1541 (Alps), (2) 1541 (Mitsumi)
Koalapad, Muppet Learning Keys, various joysticks
64HDD running on DOS 7.1, OnNet PC/TCP, NFS mount off Linux server
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Nonax
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Joined: 24 Aug 2011
Age: 43
Posts: 36

PostPosted: Sun May 13, 2012 4:01 pm    Post subject: Reply with quote

Ah oke, I was not aware of the C=Key product. I thought you meant the actual C= key on the C64 keyboard Confused . My bad.
On the website it says that the source code is licensed under GPLv2. So it is possible to make your own adjustments. However you will need to be able to program in C, have a compiler for the ATMEGA162 and an AVR programmer (to write the compiled program from the PC to the board). The shops even says: "We've hesitated to offer these kits in the store because the firmware has not been extensively tested and cannot be easily upgraded by the end user"
However they say that an new PCB with USB support is in development.
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Fujisawa Rob
Groupie in Training
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Joined: 09 May 2012
Age: 38
Posts: 54

PostPosted: Sun May 13, 2012 4:04 pm    Post subject: Reply with quote

Hmm...I've been looking at getting my son an Arduino clone kit (ATMega based). Maybe that would be a good platform for this kind of thing since they are easy to reprogram.

I have no desire at this point to go C64 keyboard-to-PC, just the other way around, so that might simplify (?) things. There are hacks to do this through the cassette port with a .PRG loaded, but I'd rather have a transparent hardware solution.
_________________
SX-64, (2) Breadbins, 64C Rev E
1084S, 1702
1541-II, (3) 1541 (Alps), (2) 1541 (Mitsumi)
Koalapad, Muppet Learning Keys, various joysticks
64HDD running on DOS 7.1, OnNet PC/TCP, NFS mount off Linux server
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