Insert wait to let signals propagate
Add new toplevel to separate IO from processor
Merge pull request #12 from dmpro2014/instruction_decode

Insert wait to let signals propagate
Merge pull request #13 from dmpro2014/new-toplevel

Add new toplevel to separate IO from processor
Register directory && WIP register file
Instantiate register file and signals
Tweak register file values
tests registers 0 and 1
Update tests to new interface
Tests for id high/low
Add constant write signal && more stuff
Test id readonly
Tests for address registers
Test for register file
Move clk_period declaration
Pass testbench.
Remove adders, pipe ID_WRITE to active barrel row
Merge pull request #16 from dmpro2014/register-directory-and-files

Register directory and files
Wire up new control signals from decode; rd and shamt
Merge pull request #17 from dmpro2014/control_signals

Wire up new control signals from decode; rd and shamt