It's working for 32-bit WineASIO, but not working for 64-bit WineASIO. If I try this for 64-bit WineASIO — I've got: “Failed to load DLL blablabla”. How I can register 64-bit dll.so for Wine? Thanks!
Not all dlls support registration. All you need to do for such dll is to copy it into system32 or put it into same directory with program you are running.
There is no public code for building jack for 64bit, it needs you to modify the Steinberg header asio.h for 64bit. That said you would register it in a 64bit prefix by doing: wine64 regsvr32 wineasio.dll
P.S. Sorry for the late reply, since I normally don't read this board