interrupt 3 using 3 二个3 #include < reg51.h >#include sbit LS138A=P2^2; sbit LS138B=P2^3;sbit LS138C=P2^4; unsigned int LedNumVal,LedOut[8];unsigned char code Disp_Tab[] = { 0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90,0x88,0x83,0xC6,0xA1,0x8
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