Description: c51 EX4_BELL (buzzer control) buzzer 300ms, P0 port D00 and D07 lit. Buzzer stops 300ms, P0 port D00 and D07 off.
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EX4_BELL\Bell
........\Bell.c
........\Bell.hex
........\Bell.lnp
........\Bell.LST
........\Bell.M51
........\Bell.OBJ
........\Bell.Opt
........\Bell.plg
........\Bell.Uv2
EX4_BELL