ksherlock

MAME has the c64c* pla rom marked as a bad dump. https://github.com/mamedev/mame/blob/dd9d1ae0e78c1fa41504bf8c753979da9d2f6ffb/src/mame/commodore/c64.cpp#L2170

That's annoying. Ample will use a username/password from keychain but it doesn't currently work with what they're doing (NSURLAuthenticationMethodServerTrust - server trust authentication). In the meantime, the list of roms...

As of a couple months/versions ago, there's a new default URL. The old archive URL, aside from the authentication issues, hasn't been updated in 5 or 6 months so it's...

1073741824 is the bitwise representation of 2.0 (as a float). [This](https://github.com/drh/lcc/blob/2b5cf358d9aa6759923dd7461f2df7f7f2a28471/src/expr.c#L572-L583) is where that code is coming from.