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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89c52 毕业设计报告 单片机 汇编 最新设计
MOV A,TCOUNT CJNE A,#2,I2 MOV TCOUNT,#00H INC SECOND MOV A,SECOND CJNE A,#100,I1 MOV SECOND,#00H I1: MOV A,SECOND MOV B,#10 DIV AB
MOVC A,@A+DPTR MOV P0,A MOV A,B
MOVC A,@A+DPTR MOV P2,A I2: RETI
TABLE: DB 3FH,06H,5BH,4FH,66H DB 6DH,7DH,07H,7FH,6FH DELAY: MOV R6,#20 D1: MOV R7,#250 DJNZ R7,$ DJNZ R6,D1 RET END 五、原理图
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89c52 毕业设计报告 单片机 汇编 最新设计
六、仿真图
七、心得体会
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