89c52 毕业设计报告 单片机 汇编 最新设计
MOV P2,#3FH MOV SECOND,#00H MOV TCOUNT,#00H MOV KCOUNT,#00H MOV TMOD,#01H
MOV TL0,#(65536-5000)/256 K1: K2: K3: INT_T0: MOV TH0,#(65536-5000) MOD 256 JB KEY,$ LCALL DELAY JB KEY,$ MOV A,KCOUNT CJNE A,#00H,K2 SETB TR0 MOV IE,#82H JNB KEY,$ INC KCOUNT LJMP K1 CJNE A,#01H,K3 CLR TR0 MOV IE, #00H JNB KEY,$ INC KCOUNT LJMP K1 CJNE A,#02H,K1 JNB KEY,$ LJMP START
MOV TL0,#(65536-50000)/256 MOV TH0,#(65536-50000) MOD 256 INC TCOUNT
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