I'm about to wrap up my 6502 assembler. If anyone is willing to submit some 6502 code they have that works with other compilers, I would appreciate the help.
The ca65 source code for Russian Roulette, Concentration Room, and LJ65 is at
http://www.pineight.com/nes/
my disassembler can generate instantly re-assemblable code, though you need to support .hex and possibly other asm6 commands
http://nesdev.com/bbs/viewtopic.php?t=7466
here's excitebike:
http://swiftlytilting.com/downloads/excite.asm.txt