ASICMINER has released their branch of cgminer:   https://github.com/blockerupter/cgminer

This branch supports both Tube and Prisma, you'll need AM's USB adapter to connect to your USB port. A random CP2102X usb to uart adapter might work as well if you can customize the adpater by adding a pull resistor to the TXD.

How to build:

• ./autogen.sh
• ./configure --enable-blockerupter
• make

There's also a win32 binary here:
https://mega.co.nz/#!NY1FQbqB!4HFdFED73LbtrdNLU9ixJ-3asjmI1jhwc-7Qik9_x3w

How to run:
No extra command line parameters are needed. The Tube or Prisma will be identified as "BET" in cgminer.