feat: implementing state machine and operative unit

...oProc.sim/sim_1/behav/xsim/xsim.dir/audioProc_behav/xsimk

.../sim_1/behav/xsim/xsim.dir/audioProc_behav/xsimkernel.log

.../behav/xsim/xsim.dir/tb_firUnit_behav/Compile_Options.txt

...hav/xsim/xsim.dir/tb_firUnit_behav/TempBreakPointFile.txt

...1/behav/xsim/xsim.dir/tb_firUnit_behav/obj/xsim_0.lnx64.o

...behav/xsim/xsim.dir/tb_firUnit_behav/obj/xsim_0.win64.obj

...m/sim_1/behav/xsim/xsim.dir/tb_firUnit_behav/obj/xsim_1.c

...1/behav/xsim/xsim.dir/tb_firUnit_behav/obj/xsim_1.lnx64.o

...behav/xsim/xsim.dir/tb_firUnit_behav/obj/xsim_1.win64.obj

...c.sim/sim_1/behav/xsim/xsim.dir/tb_firUnit_behav/xsim.dbg

...c.sim/sim_1/behav/xsim/xsim.dir/tb_firUnit_behav/xsim.mem

...sim/sim_1/behav/xsim/xsim.dir/tb_firUnit_behav/xsim.reloc

...c.sim/sim_1/behav/xsim/xsim.dir/tb_firUnit_behav/xsim.rlx

....sim/sim_1/behav/xsim/xsim.dir/tb_firUnit_behav/xsim.rtti

...im/sim_1/behav/xsim/xsim.dir/tb_firUnit_behav/xsim.svtype

....sim/sim_1/behav/xsim/xsim.dir/tb_firUnit_behav/xsim.type

....sim/sim_1/behav/xsim/xsim.dir/tb_firUnit_behav/xsim.xdbg

...m_1/behav/xsim/xsim.dir/tb_firUnit_behav/xsimSettings.ini

.../sim_1/behav/xsim/xsim.dir/tb_firUnit_behav/xsimcrash.log

...Proc.sim/sim_1/behav/xsim/xsim.dir/tb_firUnit_behav/xsimk