added program that turns the board into a clock

cMIPS/bin/assemble.sh

cMIPS/bin/compile.sh

cMIPS/include/cMIPS.h

cMIPS/include/cMIPSio.c

cMIPS/include/syn_handlers.s

cMIPS/include/syn_start.s

cMIPS/tests/mac_chrono.c

cMIPS/v_irx.sav

cMIPS/v_rx.sav

cMIPS/v_tx.sav

cMIPS/vhdl/core.vhd