feat: implementing state machine and operative unit

proj/AudioProc.sim/sim_1/behav/xsim/tb_firUnit.tcl

proj/AudioProc.sim/sim_1/behav/xsim/tb_firUnit_behav.wdb

proj/AudioProc.sim/sim_1/behav/xsim/tb_firUnit_vhdl.prj

proj/AudioProc.sim/sim_1/behav/xsim/xelab.pb

...1/behav/xsim/xsim.dir/audioProc_behav/Compile_Options.txt

...ehav/xsim/xsim.dir/audioProc_behav/TempBreakPointFile.txt

..._1/behav/xsim/xsim.dir/audioProc_behav/obj/xsim_0.lnx64.o

..._1/behav/xsim/xsim.dir/audioProc_behav/obj/xsim_1.lnx64.o

...im/sim_1/behav/xsim/xsim.dir/audioProc_behav/obj/xsim_2.c

..._1/behav/xsim/xsim.dir/audioProc_behav/obj/xsim_2.lnx64.o

...oc.sim/sim_1/behav/xsim/xsim.dir/audioProc_behav/xsim.dbg

...oc.sim/sim_1/behav/xsim/xsim.dir/audioProc_behav/xsim.mem

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

...oc.sim/sim_1/behav/xsim/xsim.dir/audioProc_behav/xsim.rlx

...c.sim/sim_1/behav/xsim/xsim.dir/audioProc_behav/xsim.rtti

...sim/sim_1/behav/xsim/xsim.dir/audioProc_behav/xsim.svtype

...c.sim/sim_1/behav/xsim/xsim.dir/audioProc_behav/xsim.type

...c.sim/sim_1/behav/xsim/xsim.dir/audioProc_behav/xsim.xdbg

...im_1/behav/xsim/xsim.dir/audioProc_behav/xsimSettings.ini

...m/sim_1/behav/xsim/xsim.dir/audioProc_behav/xsimcrash.log