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Forums > C64 Coding > ASM to C
2018-08-08 10:37
Mixer

Registered: Apr 2008
Posts: 422
ASM to C

Are there tools to convert a) disassembler output to some sort of C? b) macro assembler listings to C?

Such a thing can be done by substituting opcodes with their C-statement equals. Has anyone written more sophisticated tools for this?
 
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2018-08-12 15:05
chatGPZ

Registered: Dec 2001
Posts: 11108
Quote:
What was the major blocker on basic to C? I would think it mostly has a 1:1 relationship.

not at all. you can do terrible things in basic v2 which just wont translate to C at all. like GOSUB somewhere, but never RETURN. or reuse parts of one subfunction from another. even after building a control flow graph and duplicating the things that would collide, you'd still end up with dead ends. not worth the trouble, easier to just convert by hand :)

Quote:
READ would be the tricky part.

no not really, thats one of the easier parts infact :=P
2018-08-12 18:55
DanPhillips

Registered: Jan 2003
Posts: 30
Yay back on the forum :)


We once used a bunch of macros to convert 65816 to c.
All the object handling/ai was converted when going from Snes to PC dos.


I don't have a copy of the macros, but I do remember they were "horrendous" :)


Cheers

Dan
2018-08-12 19:19
chatGPZ

Registered: Dec 2001
Posts: 11108
ah i did this once when i converted 6502 code to gameboy :)

however - this doesnt make the code more readable at all =D
2019-02-28 07:39
Remdy

Registered: Feb 2019
Posts: 26
I did it for (a subset) of DOS/PMODEW 386 TASM assembly code: https://github.com/frranck/asm2c
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