http://www.ad.siemens.com.cn/club/bbs/post_elite.asp?b_id=20&a_id=64566

%_N_SHOWTIME_MDF
;$PATH=/_N_MPF_DIR
DEF INT SHI,FEN
SHI=$A_HOUR
FEN=$A_MINUTE
IF (SHI=11) AND (FEN>=50)
MSG("TIME IS : "<<2000+$A_YEAR<<"."<<$A_MONTH<<"."<<$A_DAY<<", "<<$A_HOUR<<":"<<$A_MINUTE<<":"<<$A_SECOND<<" ,Good noon ! Let us have a rest!")
M0
M2
ELSE
IF (SHI=18) AND (FEN>=20)
MSG("TIME IS : "<<2000+$A_YEAR<<"."<<$A_MONTH<<"."<<$A_DAY<<", "<<$A_HOUR<<":"<<$A_MINUTE<<":"<<$A_SECOND<<" ,Good evening ! Let us go home!")
M0
M2
ELSE
MSG("TIME IS : "<<2000+$A_YEAR<<"."<<$A_MONTH<<"."<<$A_DAY<<", "<<$A_HOUR<<":"<<$A_MINUTE<<":"<<$A_SECOND<<" , Let us go on!")
M0
M2
ENDIF
ENDIF