Added zflag signal. conditional logic
Hooked up zflag to statusSignals
removed stray signal
Changed memfile to use ad-hoc test program from previous assignment
Added CPU testbench
Fixed bug where PC started in invalid state
Initialized status register to 0s
Hooked up alu controls from CU to DP
Fixed ALU bug, rewired aluop
Fixed memfile.dat
Fixed wiring error?
Changed alu wiring to use separate i/o
Updated alu wiring in dp
Fixed additional wiring problems
Fixed status register
Fixed scary Xs
Added branching immediate value
Fixed sign error in branching immediates
Fixed errors in hand assembled code
merged in changes from master