type std_ulogic is ('U', 'X', '0', '1', 'Z', 'W', 'L', 'H', '-'); -- WKT:3 type integer is range <>; subtype natural is integer range 0 to 2147483647; type std_ulogic_vector is array (natural range <>) of std_ulogic; subtype std_logic_vector is std_ulogic_vector; type t_slv_array is array (natural range <>) of std_logic_vector; design package standard: package textio: package std_logic_1164: package numeric_std: instance top: signal test: t_slv_array (0 to 2): #1-#24 Time is 0 fs #1: 'U' (0) #2: 'U' (0) #3: 'U' (0) #4: 'U' (0) #5: 'U' (0) #6: 'U' (0) #7: 'U' (0) #8: 'U' (0) #9: 'U' (0) #10: 'U' (0) #11: 'U' (0) #12: 'U' (0) #13: 'U' (0) #14: 'U' (0) #15: 'U' (0) #16: 'U' (0) #17: 'U' (0) #18: 'U' (0) #19: 'U' (0) #20: 'U' (0) #21: 'U' (0) #22: 'U' (0) #23: 'U' (0) #24: 'U' (0) Time is 0 fs #1: 'U' (0) #2: 'U' (0) #3: 'U' (0) #4: 'U' (0) #5: 'U' (0) #6: 'U' (0) #7: 'U' (0) #8: 'U' (0) #9: 'U' (0) #10: 'U' (0) #11: 'U' (0) #12: 'U' (0) #13: 'U' (0) #14: 'U' (0) #15: 'U' (0) #16: 'U' (0) #17: 'U' (0) #18: 'U' (0) #19: 'U' (0) #20: 'U' (0) #21: 'U' (0) #22: 'U' (0) #23: 'U' (0) #24: 'U' (0)