Here you will find all opcodes from the Csound floss manual (http://en.flossmanuals.net/csound/overview/). If you are missing some opcodes feel free to use Csound.LowLevel. It's easy. If it's some opcode you like a lot you can send it to me by email and I will include it here.
All opcodes are defined without initialisation arguments. If you want to supply the auxiliary arguments
use the function