vlib work
vlog   -incr +libext+.v                    \
			"../blink.v"       \
			"../blink_TB.v"    \
			"glbl.v"

vsim -t 1ps -L simprims_ver -L unisims_ver -L xilinxcorelib_ver blink_TB_v glbl
view wave
#do wave.do
add wave *
add wave /glbl/GSR
view structure
view signals
run 15ms