ORG 0000H AJMP MAIN ORG 0050H MAIN:MOV R0,#0 ;显示缓冲区 MOV DPTR,#TAB CLR P2.0 LOOP:JB P3.0,KEY1 ;查询按键引脚 ACALL DELAY10MS ;延时 JB P3.0,KEY1 ;读 JNB P3.0,$ ;等…
ORG 0000H AJMP MAIN ORG 0003H AJMP EX0P ORG 0013H AJMP EX1P ORG 0050H MAIN:MOV SP,#60H SETB IT0 ;Interrupt Trigger 0 SETB EX0 ;Enable external 0 SETB …
ORG 0000H LJMP MAIN ORG 0100H MAIN:MOV SP,#60H MOV P2,#11111110B L1:MOV P1,#0FFH MOV A,P1 CPL A JZ L1 ACALL DELAY MOV A,P1 CPL A JZ L1 JB ACC.0,K17 JB…
ORG 0000H LJMP MAIN ORG 0100H MAIN:MOV SP,#60H MOV P2,#11111110B MOV P0,#92H MOV R0,#5 MOV DPTR,#TABLE L1:MOV P1,#0FFH MOV A,P1 CPL A JZ L1 ACALL DELA…
ORG 0000H LJMP MAIN ORG 0100H MAIN:MOV SP,#60H MOV P2,#11111110B MOV P0,#92H MOV R0,#5 MOV DPTR,#TABLE L1:MOV P1,#0FFH MOV A,P1 CPL A JZ L1 ACALL DELA…