MCS51 and one external interrupt timer T0 applications, external interrupt 1 to connect a button, through the adjustment button to change the timer value, the timer output to connect a buzzer

INT1&TIME0
..........\FMQ
..........\FMQ.C
..........\FMQ.hex
..........\FMQ.lnp
..........\FMQ.LST
..........\FMQ.M51
..........\FMQ.OBJ
..........\FMQ.Opt
..........\FMQ.plg
..........\FMQ.Uv2
..........\FMQ_Opt.Bak
..........\FMQ_Uv2.Bak
..........\STARTUP.A51
..........\STARTUP.LST
..........\STARTUP.OBJ

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