单片机实验程序.doc

1 ORG 0000H LJMP M ORG 0030H M MOV A 0FEH MOV R2 8 OUT MOV P1 A RL A 查看寄存器 A 的内容 MOV R5 15 IS MOV R6 0 CALL DELAY DJNZ R5 IS DJNZ R2 OUT 查看寄存器 R2 的内容 LJMP M MOV R6 0 DELAY MOV R7 0 LOP DJNZ R7 LOP DJNZ R6 DELAY RET 软件仿真 测量 DELAY 子程序延时时间 END 2 KEY1 BIT P1 0 KEY2 BIT P1 1 LED1 BIT P1 2 LED2 BIT P1 3 ORG 0000H LJMP M ORG 0030H M SETB KEY1 SETB KEY2 STEP MOV C KEY1 拨到 1 和 0 情况下 分别查看变量 KEY1 值 MOV LED1 C 拨到 1 和 0 情况下 查看位寄存器 C 值 MOV C KEY2 MOV LED2 C LJMP STEP END ORG0000H 0000020030LJMPMAIN ORG000BH 000B020100LJMP INT ORG0030H 0030758160 MAIN MOV SP 60H 0033758901MOV TMOD 01H 0036755000MOV 50H 00H 0039758C3CMOV TH0 3CH 003C758AB0 MOV TL0 0B0H 3 003FD28CSETB TR0 0041D2A9 SETB ET0 0043D2AF SETB EA 00457A03 LOOP MOV R2 03H 0047787E MOV R0 7EH 00497953 MOV R1 531t 004BE7 LOOP1 MOV A R1 004C54F0 ANL A 0F0H 004EC4 SWAP A 004FF6 MOV R0 A 005018 DEC R0 0051E7 MOV A R1 0052540F ANL A 0FH 0054F6 MOV R0 A 005519 DEC R1 005618 DEC R0 0057DAF2 DJNZ R2 LOOP1 0059122000 LCALL 2000H 005C0145 AJMP LOOP ORG0100H 0l00758C3C LNT MOV TH0 3CH 0103758AB0 MOV TL0 0B0H 0106C0E0 PUSH A 0108C0D0 PUSH PSW 010A0550 INC 50H 0l0CE550 MOV A 50H 010E00 NOP 010FB40A2A CJNE A 0AH G0T0 0112755000 MOV 50H 00H 0115740l MOV A 01H 01172551 ADD A 51H 0119D4 DA A 011AF55l MOV 51H A 011CB4601D CJNE A 60H G0T0 011F740l MOV A 01H 0121755100 MOV 5lH 00H 01242552 ADD A 52H 0126D4 DA A 0127F552 MOV 52H A 0129B46010 JNZE A 60H G0T0 012C740l MOV A 01H 012E 755200 MOV 52H 00H 01312553 ADD A 53H 0133D4 DA A 4 0134F553 MOV 53H A 0136B42403 CJNE A 24H G0T0 0139755300 MOV 53H 00H 013CD0D0 G0T0 POP PSW 013ED0E0 POP A 014032 RETI END 实验程序1 sbit LED P1 0 ORG 0000H LJMP M org 0003H 此处语句的作用 LJMP INTE0 ORG 0030H M MOV SP 40H SETB IT0 SETB EX0 SETB EA SETB LED S SJMP S ORG 100H INTE0 CPL LED 该语句的作用 RETI END 实验程序2 include sbit LED P1 0 void ex int0 interrupt 0 此处 i