vlib work
vlog   -incr +libext+.v                    \
			"../sram_bus.v"       \
			"../sram_bus_TB.v"    \
			"glbl.v"
vsim -t 1ps -L simprims_ver -L unisims_ver -L xilinxcorelib_ver sram_bus_TB_v glbl
view wave
#do wave.do
add wave *
view structure
view signals
run 5us