微机原理实验程序中国石油大学华东.docx
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微机原理实验程序中国石油大学华东
实验3循环程序设计
实验内容：
1.数组X,Y,Z,。
X=32，-43，76，95，-1;Y=-78，127，-128，-125，88。
计算两数之和，送入数组S。
DATASEGMENT
XDB32，-43，76，95，-1
YDB-78，127，-128，-125，88
SDB5DUP（0）
DATAENDS
CODESEGMENT
ASSUMECS:
CODE,DS:
DATA
START:
MOVAX,DATA
MOVDS,AX
MOVCX,5
MOVSI,0
FOR:
MOVAL,X[SI]
ADDAL,Y[SI]
MOVS[SI],AL
INCSI
LOOPFOR
CODEENDS
ENDSTART
2.两个多位十进制数，X=1357902468，Y=5790123467。
计算两数之和（BCD码）。
DATASEGMENT
XDB68H,24H,90H,57H,13H
YDB67H,34H,12H,90H,57H
SDB5DUP（0）
DATAENDS
CODESEGMENT
ASSUMECS:
CODE,DS:
DATA
START:
MOVAX,DATA
MOVDS,AX
MOVCX,5
MOVSI,0
CLC
FOR:
MOVAL,X[SI]
ADDAL,Y[SI]
DAA
MOVS[SI],AL
INCSI
LOOPFOR
CODEENDS
ENDSTART
实验4子程序调用变成设计
实验内容：
用子程序调用方法，现有数组X=32，-43,76,95，-1，-78,127，-128，-125,88
编程按递增顺序排序输出。
DATASEGMENT
XDB32，-43，76，95，-1，-78，127，-128，-125，88
ENDSSEGMENT
CODESEGMENT
ASSUMECS:
CODE,DS:
DATA
START:
MOVAX,DATA
MOVDS,AX
CALLSUB1
MOVAH,4CH
INT21H
SUB1PROCNEAR
MOVCX,9
LP1:
MOVBX,0
MOVDX,CX
LP2；MOVAL,X[BX]
CMPAL,X[BX+1]
JLENEXT
XCHGAL,X[BX+1]
NEXT:
INCBX
DECDX
JNELP2
LOOPLP1
RET
SUB1ENDP
CODEENDS
ENDSTART
实验5DOS功能调用
实验内容：
1.从键盘连续输入五个单个字符，然后再反向输出这5个字符。
输入：
12345
输出：
54321
CODESEGMENT
ASSUMECS:
CODE
START:
MOVCX,5
LP1：
MOVAH,01
INT21H
PUSHAX
LOOPLP1
MOVDL,0AH
MOVAH,02
INT21H
MOVDL,0DH
MOVAH,02
INT21H
MOVCX,5
LP2：
POPDX
MOVAH,02
INT21H
LOOPLP2
MOVAH,4CH
INT21H
CODEENDS
ENDSTART
2.从键盘输入一串字符“abcde”，然后输出3次。
DATASEGMENT
MAXDB10
STRDB10DUP（‘S’）
DATAENDS
CODESEGMENT
ASSUMECS：
CODE,DS:
DATA
START:
MOVAX,DATA
MOVDS,AX
LEADX,MAX
MOVAH,10
INT21H
MOVCX,3
LP:
LEADX,STR
MOVAH,9
INT21H
MOVDL,0DH
MOVAH,02H
INT21H
MOVDL,0AH
MOVAH,2
INT21H
LOOPLP
MOVAH,4CH
INT21H
CODEENDS
ENDSTART
实验10简单的输出接口实验
实验内容;
1.利用74LS75设计一个接口电路，使4个LED同时亮，同时灭，中间间隔1秒，共循环5次。
CODESEGMENT
ASSUMECS:
CODE
START:
MOVCX,5
LP;MOVDX,280H
MOVAL,0FH
OUTDX,AL
CALLDELAY
MOVDX,280H
MOVAL,0H
OUTDX,AL
CALLDELAY
LOOPLP
MOVAH,4CH
INT21H
DELAYPROCNEAR
PUSHCX
MOVBX,03FFH
FOR1:
MOVCX,0FFFFH
FOR2;LOOPFOR2
DECBX
JNZFOR1
POPCX
RET
DELAYENDP
CODEENDS
ENDSTART
2.利用74LS75设计一个接口电路，使8个LED循环点亮，中间间隔1秒，共循环3次
CODESEGMENT
ASSUMECS:
CODE
START:
MOVCX,3
MOVSI,8
LP1:
MOVDX,280H
MOVAL,01H
LP2：
OUTDX,AL
CALLDELAY
SHLAL,1
DECSI
JNZLP2
LOOPLP1
MOVAH,4CH
INT21H
DELAYPROCNEAR
PUSHCX
MOVBX,03FFH
FOR1:
MOVCX,0FFFFH
FOR2;LOOPFOR2
DECBX
JNZFOR1
POPCX
RET
DELAYENDP
CODEENDS
ENDSTART
实验11简单的输入接口实验
实验内容：
1.设计一个接口电路，当开关来回搬动1次后，在屏幕上输出‘1’，再来回搬动1次，输出‘2’，共搬动5次。
利用硬件消抖。
（D1）
CODESEGMENT
ASSUMECS:
CODE
START:
MOVDL,31H
MOVCX,5
L1:
PUSHDX
MOVDX,280H
INAL,DX
ANDAL,01H
MOVAH,AL
L2:
INAL,DX
ANDAL,01H
CMPAH,AL
JZL2
L3:
INAL,DX
ANDAL,01H
CMPAH,AL
JNZL3
POPDX
MOVAH,02H
INT21H
INCDL
LOOPL1
MOVAH,4CH
INT21H
CODEENDS
ENDSTART
2.设计一个接口电路，当开关来回搬动1次后，在屏幕上输出‘1’，再来回搬动1次，输出‘2’，共搬动5次。
利用软件消抖。
（D1）
.
CODESEGMENT
ASSUMECS:
CODE
START:
MOVDL,31H
MOVCX,5
L1:
PUSHDX
MOVDX,280H
INAL,DX
ANDAL,01H
MOVAH,AL
L2:
INAL,DX
ANDAL,01H
CMPAH,AL
JZL2
CALLDELAY
L3:
INAL,DX
ANDAL,01H
CMPAH,AL
JNZL3
CALLDELAY
POPDX
MOVAH,02H
INT21H
INCDL
LOOPL1
MOVAH,4CH
INT21H
DELAYPROCNEAR
PUSHCX
MOVBX,03FH
FOR1:
MOVCX,0FH
FOR2:
LOOPFOR2
DECBX
JNZFOR1
POPCX
RET
DELAYENDP
CODEENDS
ENDSTART
3.设计一个接口电路，当开关搬动1次后，在屏幕上输出‘1’，再搬动1次，
输出‘2’，共搬动5次。
（D4）
CODESEGMENT
ASSUMECS:
CODE
START:
MOVDL,31H
MOVCX,5
L1:
PUSHDX
MOVDX,284H
INAX,DX
ANDAX,10H
MOVSI,AX
L2:
INAX,DX
ANDAX,10H
CMPSI,AX
JZL2
POPDX
MOVAH,02H
INT21H
INCDL
LOOPL1
MOVAH,4CH
INT21H
CODEENDS
ENDSTART
实验12数码管显示实验
1.使2个七段显示管分别显示HP,字符保持5秒钟。
CODESEGMENT
ASSUMECS:
CODE
START:
MOVCX,03FFH
L1:
MOVDX,280H
MOVAL,00H
OUTDX,AL
MOVDX,290H
MOVAL,76H;H
OUTDX,AL
MOVDX,282H
MOVAL,02H
OUTDX,AL
CALLDONG
MOVDX,282H
MOVAL,00H
OUTDX,AL
MOVDX,290H
MOVAL,73H;P
OUTDX,AL
MOVDX,280H
MOVAL,01H
OUTDX,AL
CALLDONG
LOOPL1
MOVDX,280H
MOVAL,00H
OUTDX,AL
MOVAH,4CH
INT21H
DONGPROCNEAR
PUSHCX
PUSHBX
MOVBX,0100H
FOR1:
MOVCX,0100H
FOR2:
LOOPFOR2
DECBX
JNZFOR1
POPBX
POPCX
RET
DONGENDP
CODEENDS
ENDSTART
2.使2个七段显示管分别显示01,23,45,67,89，每两个字符保持2秒钟。
CODESEGMENT
ASSUMECS:
CODE
START:
MOVCX,01FFH
L1:
MOVDX,280H
MOVAL,00H
OUTDX,AL
MOVDX,290H
MOVAL,3FH;0
OUTDX,AL
MOVDX,282H
MOVAL,02H
OUTDX,AL
CALLDONG
MOVDX,282H
MOVAL,00H
OUTDX,AL
MOVDX,290H
MOVAL,06H;1
OUTDX,AL
MOVDX,280H
MOVAL,01H
OUTDX,AL
CALLDONG
LOOPL1
MOVCX,01FFH
L2:
MOVDX,280H
MOVAL,00H
OUTDX,AL
MOVDX,290H
MOVAL,5BH;2
OUTDX,AL
MOVDX,282H
MOVAL,02H
OUTDX,AL
CALLDONG
MOVDX,282H
MOVAL,00H
OUTDX,AL
MOVDX,290H
MOVAL,4FH;3
OUTDX,AL
MOVDX,280H
MOVAL,01H
OUTDX,AL
CALLDONG
LOOPL2
MOVCX,010FH
L3:
MOVDX,280H
MOVAL,00H
OUTDX,AL
MOVDX,290H
MOVAL,66H;4
OUTDX,AL
MOVDX,282H
MOVAL,02H
OUTDX,AL
CALLDONG
MOVDX,282H
MOVAL,00H
OUTDX,AL
MOVDX,290H
MOVAL,6DH;5
OUTDX,AL
MOVDX,280H
MOVAL,01H
OUTDX,AL
CALLDONG
LOOPL3
MOVCX,010FH
L4:
MOVDX,280H
MOVAL,00H
OUTDX,AL
MOVDX,290H
MOVAL,7DH;6
OUTDX,AL
MOVDX,282H
MOVAL,02H
OUTDX,AL
CALLDONG
MOVDX,282H
MOVAL,00H
OUTDX,AL
MOVDX,290H
MOVAL,07H;7
OUTDX,AL
MOVDX,280H
MOVAL,01H
OUTDX,AL
CALLDONG
LOOPL4
MOVCX,010FH
L5:
MOVDX,280H
MOVAL,00H
OUTDX,AL
MOVDX,290H
MOVAL,7FH;8
OUTDX,AL
MOVDX,282H
MOVAL,02H
OUTDX,AL
CALLDONG
MOVDX,282H
MOVAL,00H
OUTDX,AL
MOVDX,290H
MOVAL,6FH;9
OUTDX,AL
MOVDX,280H
MOVAL,01H
OUTDX,AL
CALLDONG
LOOPL5
MOVDX,280H
MOVAL,00H
OUTDX,AL
MOVAH,4CH
INT21H
DONGPROCNEAR
PUSHCX
PUSHBX
MOVBX,0100H
FOR1:
MOVCX,0100H
FOR2:
LOOPFOR2
DECBX
JNZFOR1
POPBX
POPCX
RET
DONGENDP
CODEENDS
ENDSTART
实验13可编程并行接口8255A芯片实验
实验内容：
1.由8255A方式0的A口输出数据，驱动2个LED，循环点亮5次，每个状态保留1秒。
CODESEGMENT
ASSUMECS:
CODE
START:
MOVAL,80H
MOVDX,283H
OUTDX,AL
MOVCX,5
MOVDX,281H
MOVAL,00
L1:
MOVAL,01
OUTDX,AL
CALLDELAY
MOVAL,02
OUTDX,AL
CALLDELAY
LOOPL1
MOVAH,4CH
INT21H
DELAYPROCNEAR
PUSHCX
MOVBX,400
FOR1:
MOVCX,0FFFFH
FOR2:
LOOPFOR2
DECBX
JNZFOR1
POPCX
RET
DELAYENDP
CODEENDS
ENDSTART
2.用8255A方式1，将两位开关量设置的二进制数，由B口选通输入CPU，三秒钟后，由A口选通输出送LED显示，要求通过对状态字IBFB和OBFA#的测试来控制程序运行。
STB#和ACK#由消抖电路产生。
CODESEGMENT
ASSUMECS:
CODE
START:
MOVAL,10100110B
MOVDX,283H
OUTDX,AL
L1:
MOVDX,282H
INAL,DX
ANDAL,02H
JZL1
MOVDX,281H
INAL,DX
CALLDELAY
MOVDX,280H
OUTDX,AL
L2:
MOVDX,282H
INAL,DX
ANDAL,80H
JZL2
JMPL3
LOOPSTART
L3:
MOVAL,00
MOVDX,280H
OUTDX,AL
MOVAH,4CH
INT21H
DELAYPROCNEAR
PUSHCX
MOVBX,3FFH
FOR1:
MOVCX,0FFFFH
FOR2:
LOOPFOR2
DECBX
JNZFOR1
POPCX
RET
DELAYENDP
CODEENDS
ENDSTART
3.由8255A的A接口输出数据，驱动4个LED,使其顺序显示0--F的二进制状态，
每个状态保持1秒钟。
CODESEGMENT
ASSUMECS:
CODE
START:
MOVDX,283H
MOVAL,80H
OUTDX,AL
MOVCX,16
MOVAL,00H
L1:
MOVDX,280H
OUTDX,AL
CALLDELAY
INCAL
LOOPL1
MOVAH,4CH
INT21H
DELAYPROCNEAR
PUSHCX
MOVBX,299H
FOR1:
MOVCX,0FFFFH
FOR2:
LOOPFOR2
DECBX
JNZFOR1
POPCX
RET
DELAYENDP
CODEENDS
ENDSTART
实验148253编程测试实验
实验内容：
8253方式0测试，用消抖电路产生的脉冲作为CLK0输入信号，OUT0接LED。
运行程序5秒将计数器的显示在屏幕上，分析读取的计数常数与CLK0信号的关系。
方式0波形图
CODESEGMENT
ASSUMECS:
CODE
START:
MOVAL,90H
MOVDX,283H
OUTDX,AL
MOVAL,05H
MOVDX,282H
OUTDX,AL
CALLDELAY
MOVAL,00H
MOVDX,283H
OUTDX,AL
MOVDX,282H
INAL,DX
MOVCH,AL
MOVCL,4
ANDAL,0F0H
ROLAL,CL
MOVDL,AL
ADDDL,30H
MOVAH,02H
INT21H
ANDCH,0FH
MOVDL,CH
ADDDL,30H
MOVAH,02H
INT21H
MOVAH,4CH
INT21H
DELAYPROCNEAR
PUSHCX
MOVBX,999H
FOR1:
MOVCX,0FFFFH
FOR2:
LOOPFOR2
DECBX
JNZFOR1
POPCX
RET
DELAYENDP
CODEENDS
ENDSTART
2.8253方式1测试。
编程使计数器1工作在方式1，CLK1和GATE1信号由消抖电路产生，OUT1接LED，验证CLK1，GATE1，OUT1三者关系。
方式1波形图
CODESEGMENT
ASSUMECS:
CODE
START:
MOVAL,52H
MOVDX,283H
OUTDX,AL
MOVAL,05H
MOVDX,281H
OUTDX,AL
MOVAH,4CH
INT21H
CODEENDS
ENDSTART
实验158259A可编程中断控制器
设计中断过程，连续输出“AREYOUREADY?
”产生中断时，执行中断服务程序，中断服务程序是使两个LED灯亮灭3次，间隔一秒。
中断结束后，继续执行主程序，等待下次中断。
DATASEGMENT
ABCDB'AREYOUREADY?
',0DH,0AH,'$'DATAENDS
CODESEGMENT
ASSUMECS:
CODE,DS:
DATA
START:
MOVAX,CS
MOVDS,AX
MOVDX,OFFSETZD10
MOVAX,2572H
INT21H
CLI
INAL,21H
ANDAL,0FBH
OUT21H,AL
INAL,0A1H
ANDAL,0FBH
OUT0A1H,AL
STI
MOVCX,20
LOOP1:
PUSHCX
MOVAX,DATA
MOVDS,AX
LEADX,ABC
MOVAH,9
INT21H
CALLDELAY
POPCX
LOOPLOOP1
MOVDX,21H
INAL,DX
ORAL,4
OUT21H,AL
MOVDX,0A1H
INAL,DX
ORAL,4
OUT0A1H,AL
MOVAH,4CH
INT21H
ZD10PROCNEAR
PUSHAX
PUSHBX
PUSHCX
PUSHDX
MOVCX,3
AGAIN:
PUSHCX
MOVDX,280H
MOVAL,0FH
OUTDX,AL
CALLDELAY
MOVDX,280H
MOVAL,00H
OUTDX,AL
CALLDELAY
POPCX
LOOPAGAIN
POPDX
POPCX
POPBX
POPAX
MOVAL,20H
OUT20H,AL
MOVAL,20H
OUT0A0H,AL
IRET
ZD10ENDP
DELAYPROCNEAR
MOVBX,02FFH
FOR1:
MOVCX,0FFFFH
FOR2:
LOOPFOR2
DECBX
JNZFOR1
RET
DELAYENDP
CODEENDS
ENDSTART
74LS75控制电路
74LS273控制电路
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