矿大徐海单片机实验程序参考

徐海学院单片机实验参考程序徐海学院单片机实验参考程序 实验实验 3 3 8 从右往左不停移动从右往左不停移动 ZWMADDR EQU 8002H ZXMADDR EQU 8004H ORG 0000H ST LJMP MAIN ORG 0030H MAIN MOV A 7FH LOOP MOV DPTR ZXMADDR MOVX DPTR A MOV A 01H MOV DPTR ZWMADDR LOOP1 MOVX DPTR A MOV R2 25H LCALL DELAY RL A SJMP LOOP1 DELAY PUSH 02H LP1 PUSH 02H LP2 PUSH 02H LP3 DJNZ R2 LP3 POP 02H DJNZ R2 LP2 POP 02H DJNZ R2 LP1 POP 02H DJNZ R2 DELAY RET END 实验实验 3 4 0 f 逐一从左向右显示逐一从左向右显示 ZWMADD R EQU 8002H ZWMADDR EQU 8004H ORG 0000H ST LJMP MAIN ORG 0100H MAIN MOV R3 01H MOV R4 00H LOOP MOV DPTR CHAR MOV A R4 MOVC A A DPTR MOV DPTR ZXMADDR MOVX DPTR A MOV A R3 MOV DPTR ZWMADDR MOVX DPTR A MOV R2 25H LCALL DELAY MOV A R3 RL A MOV R3 A CJNE R3 40H NEXT MOV R3 01H NEXT INC R4 CJNE R4 10H LOOP SJMP MAIN DELAY PUSH 02H LP1 PUSH 02H LP2 PUSH 02H LP3 DJNZ R2 LP3 POP 02H DJNZ R2 LP2 POP 02H DJNZ R2 LP1 POP 02H DJNZ R2 DELAY RET CHAR DB 3FH 06H 5BH 4FH 66H 6DH 7DH 07H DB 7FH 6FH 77H 7CH 39H 5EH 79H 71H END 实验实验 4 2 2 低四位输入 高四位输出 取反低四位输入 高四位输出 取反 ORG 0000H LJMP LOOP ORG 0030H LOOP MOV A 0FH MOV P1 A MOV A P1 ORL A 0F0H SWAP A CPL A MOV P1 A SJMP LOOP END 实验实验 4 2 3 ORG 0000H LJMP LOOP ORG 0030H LOOP MOV A 0FH MOV P1 A MOV A P1 ANL A 0FH CJNE A 0FH LOOP1 MOV P1 1FH MOV R2 25H LCALL DELAY MOV P1 2FH MOV R2 25H LCALL DELAY MOV P1 4FH MOV R2 25H LCALL DELAY MOV P1 8FH MOV R2 25H LCALL DELAY SJMP LOOP LOOP1 MOV P1 0FFH SJMP LOOP DELAY PUSH 02H LP1 PUSH 02H LP2 PUSH 02H LP3 DJNZ R2 LP3 POP 02H DJNZ R2 LP2 POP 02H DJNZ R2 LP1 POP 02H DJNZ R2 DELAY RET END 实验实验 5 1 中断 二极管显示低四位的非量中断 二极管显示低四位的非量 ORG 0000H START JMP MAIN ORG 0003H INTO LJMP INTOS ORG 0030H MAIN MOV P1 0FFH SETB PX0 SETB IT0 SETB EX0 SETB EA REP SJMP REP INTOS MOV A P1 SWAP A CPL A ORL A 0FH MOV P1 A RETI END 5 1 5 ORG 0000H START LJMP MAIN ORG 0003H INTO LJMP INTOS ORG 0030H MAIN MOV P1 0FFH SETB PX0 SETB IT0 SETB EX0 SETBEA REP SJMP REP INTOS MOV A P1 MOV P1 1FH MOV R2 25H LCALL DELAY MOV P1 2FH MOV R2 25H LCALL DELAY MOV P1 4FH MOV R2 25H LCALL DELAY MOV P1 8FH MOV R2 25H LCALL DELAY RETI SJMP REP DELAY PUSH 02H LP1 PUSH 02H LP2 PUSH 02H LP3 DJNZ R2 LP3 POP 02H DJNZ R2 LP2 POP 02H DJNZ R2 LP1 POP 02H DJNZ R2 DELAY RET RETI END 实验实验 5 2 右上角显示右上角显示 8 每按一次中断 每按一次中断 8 左移一位左移一位 ZWMADDR EQU 8002H ZXMADDR EQU 8004H ORG 0000H LJMP START ORG 0003H INTO LJMP INTOS START SETB PX0 SETB IT0 SETB EX0 SETB EA MOV A 7FH MOV DPTR ZXMADDR MOVX DPTR A MOV A 01H LOOP MOV DPTR ZWMADDR MOVX DPTR A LJMP LOOP INTOS RL A CJNE A 40H BYE MOV A 01H BYE RETI END 5 2 4 ZWMADDR EQU 8002H ZXMADDR EQU 8004H ORG 0000H LJMP START ORG 0003H INTO LJMP INTOS START SETB PX0 SETB IT0 SETB EX0 SETB EA MOV R0 00H MOV R1 80H LOOP MOV A R1 MOV DPTR ZWMADDR MOVX DPTR A MOV DPTR CHAR MOV A R0 MOVC A A DPTR MOV DPTR ZXMADDR MOVX DPTR A LJMP LOOP INTOS MOV A R1 RR A MOV R1 A INC R0 MOV A R0 CJNE A 10H BYE MOV R0 00H BYE RETI CHAR DB 3FH 06H 5BH 4FH 66H 6DH 7DH 07H DB 7FH 6FH 77H 7CH 39H 5EH 79H 71H END 实验实验 6 2 显示左移的数字显示左移的数字 8 要求每过一秒左移一位 循环 要求每过一秒左移一位 循环 ZWMADDR EQU 8002H ZXMADDR EQU 8004H ORG 0000H LJMP MAIN ORG 000BH LJMP CTOS ORG 0030H MAIN MOV TMOD 01H MOV TH0 3CH MOV TL0 0B0H SETB ET0 SETB EA SETB TR0 MOV R7 0AH MOV A 7FH MOV DPTR ZXMADDR MOVX DPTR A MOV DPTR ZWMADDR MOV A 01H LOOP MOVX DPTR A SJMP LOOP CTOS MOV TH0 03CH MOV TL0 0B0H DJNZ R7 BYE MOV R7 0AH RL A CJNE A 40H BYE MOV A 01H BYE RETI END 6 2 3 ZWMADDR EQU 8002H ZXMADDR EQU 8004H ORG 0000H LJMP MAIN ORG 000BH LJMP CT0S ORG 0030H MAIN MOV TMOD 01H MOV TH0 3CH MOV TL0 0B0H SETB ET0 SETB EA SETB TR0 MOV R7 14H MOV A 7FH MOV DPTR ZXMADDR MOVX DPTR A MOV DPTR ZWMADDR MOV A 01H LOOP MOVX DPTR A SJMP LOOP CT0S MOV TH0 3CH MOV TL0 0B0H DJNZ R7 BYE MOV R7 14H RR A CJNE A 01H BYE MOV A 01H BYE RETI END 6 3 ZWMADDR EQU 8002H ZXMADDR EQU 8004H ORG 0000H LJMP MAIN ORG 000BH LJMP CT0S ORG 0030H MAIN MOV TMOD 06H MOV T