INT0 INT1中断计数
.................\f.DSN
.................\s.hex
.................\s.lnp
.................\s.M51
.................\s.Opt
.................\s.plg
.................\s.Uv2
.................\STARTUP.A51
.................\STARTUP.LST
.................\STARTUP.OBJ
.................\s_Opt.Bak
.................\s_Uv2.Bak
.................\Text1.c
.................\Text1.LST