frot/binutils-dcpu16 — pull request #12 by a1k0n (2012-05-15 23:24:52+00:00)
Title: Bring assembler up to DCPU 1.7 spec.

The 1.7 spec is available here: http://pastebin.com/raw.php?i=Q4JvQvnM

Also fixes some bugs assembling negative immediate operands, and
disassembling unknown special opcodes.