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Author Topic: bending C64's VIC-II graphics chip < yay or ney  (Read 2649 times)
Luka
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« on: December 22, 2007, 02:09:22 AM »

it seems that sega mega drives, atari2600s, NES systems and gameboys are all the rage for bending at the moment however i have a bunch of c64's with SID chips removed lying around my house and im wondering if there is anyway i can turn this machine into a nice bent vj machine

has anyone had any experience with this?
i have checked the net and cant find too much

yay or ney?

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problemchild
messycreations
voodoolikeudoo
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« Reply #1 on: July 08, 2008, 06:14:12 AM »

did you ever try this out?

anything decent?
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djsynchro
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« Reply #2 on: July 18, 2008, 01:35:25 PM »

Sometimes you just have to be the first one to do it I say Yay, expecially since they're trash now anyway.
The C64 is really primitive, that should be good. Load up something that works the graphic chip (Or write a quick Basic prog that prints coloured blocks or something) then poke around the graphics chip. Don't touch the voltage pin.
Let us now how it went.
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Gordonjcp
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« Reply #3 on: July 22, 2008, 11:05:13 AM »

Bear in mind that the address and data pins are shared with the CPU and memory, so shorting them will cause the CPU to crash.  Maybe trace cuts would be a better idea, although if you were feeling particularly hardcore you could remove the VIC-II completely and fit it to a daughterboard with some buffers.
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For circuit bending instant gratification, try #circuitbending on irc.freenode.net ;-)
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