电子闹钟能够显示正常时间和设置的闹钟时间，而且这两个时间都能通过按键进行修改设置。包括汇编程序，ppt,protues仿真程序。-Electronic alarm clock can display normal time and alarm time settings, and that the two times can be modified by the key settings. Including assembler, ppt, protues simulation program.