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Forums > C64 Coding > Ghidra with illegal opcodes
2024-05-13 18:39
Grue

Registered: Dec 2001
Posts: 165
Ghidra with illegal opcodes

Recently, Kakka / Extend added 6510 illegal opcode decoding support for the Ghira fork, which I have been using on my C64 game mods.
Note that you must choose the 6510 variant of MOS6502 to use it as a CPU for your binary.

https://github.com/grue74/ghidra-c64helpers

And binaries for Linux and Windows here also, the c64 byte viewer as a plugin can be found:

https://voidhole.com/~grue/ghidra/

I don't know how to use the debugger with ghidra, so I don't know if those illegals work ok, but at least they seem to work ok on the code lister.

Ghidra is a pretty good replacement for the IDA Pro; at least, you cannot beat the price.

I update those builds semi-randomly with the latest updates from the official ghidra tree.
 
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2024-09-30 16:36
Bacchus

Registered: Jan 2002
Posts: 156
@Grue,

I moved from Regenerator to 6502Bench as well. I have done a number of videos where it's used.

https://www.youtube.com/watch?v=78327vjQiV0

https://www.youtube.com/watch?v=i_KMQF0SwDg

/Bacchus
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