This a single-chip experiment based on AT89C52, the seven-segment display digital still 2012. Display can be set.

shiyan4\1-1.c
.......\1-1.LST
.......\1-1.OBJ
.......\3.1.lst
.......\3.1.obj
.......\4
.......\4.2
.......\4.2.c
.......\4.2.LST
.......\4.2.OBJ
.......\4.LST
.......\4.__i
.......\4L.c
.......\4L.LST
.......\4L.OBJ
.......\dianzhenxianshi.DSN
.......\dianzhenxianshi.PWI
.......\Last Loaded dianzhenxianshi.DBK
.......\LOVE
.......\LOVE.c
.......\qiduanxianshi 2012
.......\qiduanxianshi 2012.c
.......\qiduanxianshi.c
.......\qiduanxianshi.DSN
.......\qiduanxianshi.LST
.......\qiduanxianshi.OBJ
.......\qiduanxianshi.PWI
.......\shiyan4
.......\shiyan4.hex
.......\shiyan4.lnp
.......\shiyan4.M51
.......\shiyan4.Opt
.......\shiyan4.plg
.......\shiyan4.Uv2
.......\shiyan4_Opt.Bak
.......\shiyan4_Uv2.Bak
.......\STARTUP.A51
.......\STARTUP.LST
.......\STARTUP.OBJ
.......\xianshi
.......\xianshi.hex
.......\xianshi.lnp
.......\xianshi.M51
.......\xianshi.Opt
.......\xianshi.plg
.......\xianshi.Uv2
.......\xianshi_Opt.Bak
.......\xianshi_Uv2.Bak
shiyan4

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