实时时钟
........\ASM
........\...\EX
........\...\EX.ASM
........\...\EX.hex
........\...\EX.LNP
........\...\Ex.LST
........\...\EX.M51
........\...\Ex.OBJ
........\...\EX.Opt
........\...\EX.PLG
........\...\EX.Uv2
........\...\EX_Opt.Bak
........\...\EX_Uv2.Bak
........\...\VI2C_ASM.INC
........\...\ZLG7290.INC
........\C51
........\...\RTC
........\...\rTC.C
........\...\rtc.hex
........\...\RTC.LNP
........\...\rTC.LST
........\...\RTC.M51
........\...\rTC.OBJ
........\...\rtc.Opt
........\...\RTC.PLG
........\...\rtc.Uv2
........\...\rtc_Opt.Bak
........\...\rtc_Uv2.Bak
........\...\STARTUP.A51
........\...\STARTUP.LST
........\...\STARTUP.OBJ
........\...\VIIC_C51.C
........\...\VIIC_C51.H
........\...\VIIC_C51.LST
........\...\VIIC_C51.OBJ