扬大电气单片机实验程序文件.docVIP

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3.1Keil集成开发环境熟悉及汇实验编程序

1.

MOV20H,#98H

MOVA,20H

MOVB,#100

DIVAB

MOV30h,A

XCHA,B

MOVB,#10

DIVAB

MOV31H,A

MOV32H,B

RET

END

2.

MOV20H,#78H

MOVA,20H

ANLA,#0FH

ADDA,#30H

MOV30H,A

MOVA,20H

ANLA,#0F0H

SWAPA

ADDA,#30H

MOV31H,A

3.

MAIN:

MOV30H,#2

MOV31H,#3

MOV3AH,#4

MOV43H,#3

MOVR0,#30H

MOVR7,#10

MOVA,#00H

LOOP:MOVR0,A

INCR0

DJNZR7,LOOP

RET

END

4.

MAIN:

MOV30H,#3

MOV31H,#5

MOV3FH,#6

MOVR0,#30H

MOVR1,#40H

MOVR7,#16

LOOP:MOVA,R0

MOVR1,A

INCR0

INCR1

DJNZR7,LOOP

RET

END

并行I/O接口实验

1.ORG0000H

AJMPMAIN

ORG0100H

MAIN:

MOVA,#0FEH

LIGHT:

MOVP1,A

RRA

MOVP1,A

ACALLDELAY

AJMPLIGHT

DELAY:

MOVR7,#250

DELAY1:

MOVR6,#250

NOP

DELAY2:

DJNZR6,DELAY2

DJNZR7,DELAY1

RET

END

2.ORG0000H

AJMPMAIN

ORG0100H

MAIN:SETBP1.0

SETBP1.1

LOOP:MOVC,P1.0

MOVP1.2,C

MOVC,P1.1

MOVP1.3,C

AJMPLOOP

SJMP$

END

3.ORG0000H

AJMPMAIN

ORG0100H

MAIN:

SETBP1.7

LOOP:

MOVC,P1.7

MOVP1.1,C

MOVP1.0,C

AJMPLOOP

SJMP$

END

3.3点阵式LED显示实验

1.

ORG 0000H

LJMP MAIN

ORG 0030H

MAIN: MOV A,#0FEH

MOV R4,#8

LCALL T164

SJMPMAIN

T164:RLCA

MOVP3.3,C

MOVP3.4,C

SETB P3.2

CLR P3.2

LCALL DEL

DJNZ R4,T164

DEL:MOV R5,#04H

DEL1:MOV R6,#0FFH

DEL2:MOV R7,#0FFH

DEL3:DJNZ R7,DEL3

DJNZ R6,DEL2

DJNZ R5,DEL1

END

2.

ORG 0

SJMP MAIN

ORG 30H

MAIN:

MOV R1,#10

X: MOV DPTR,#TABX

MOV B,#0FEH ;B寄存器作列值变换

CLR C

MOV R2,#8 ;R2作列循环计数

LCALL LOOP

DJNZ R2,LOOP

DJNZ R1,X

SJMP MAIN

LOOP: MOV A,#0

MOV P1,#0FFH

MOV R4,#8 ;R4作行串并转换计数

;行值设置

MOVC A,A