合肥工业大学：EDA技术与应用（精品课程）：p269_ex9_9_sequence_statement_wait

-- VHDL code position: p269_ex9_9_sequence_statement_wait -- Note : This is code for explaing sequence_statement of VHDL -- See Also: example 9_9, 9_10, 9_11, 9_12, 9_13. -- Debug : no debug --------------------------------------------------------------------------------- -- 4 kinds of WAIT statement WAIT --- 1 WAIT ON singal list --- 2 WAIT UNTIL contidion expression --- 3 WAIT FOR time expression --- 4 --- Fellowing is example about WAIT statement ...... SIGNAL s1, s2 : STD_LOGIC; ...... PROCESS BEGIN ...... WAIT ON s1, s2; ...... END PROCESS; ......