I decided to rewrite my cpu core, as my old one had a bug or two I just couldn't track down, and was too messy. I decided to use nestest to try out the new one, but have been unable to get any results. I set my program counter to 0xC000 and ran it. It eventually hit a unofficial opcode and exited. I expected to find results for the official opcodes, even though it did not completely finish. Instead, all I have are 00 at 2h and 3h. Is my core broken to the point that nestest can't even report problems?