微机原理程序.docx

微机原理程序.docx

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微机原理程序

Documentserialnumber【UU89WT-UU98YT-UU8CB-UUUT-UUT108】

微机原理程序

实验二：

循环程序设计

2.

DATASEGMENT

xdb-78,127,-128,-125,88

ydb32,-43,76,95,1

Sdb5dup（?

）

dataends

Codesegment

Assumecs:

code,ds:

data

Start:

movax,data

Movds,ax

Movcx,5

Movbx,0

L1:

moval,x[bx]

Addal,y[bx]

Incbx

LoopL1

MOVAH,4CH

INT21H

CODEENDS

ENDSTART

3.

DATASEGMENT

YDB68H,24H,90H,57H,13H

HXDB67H,34H,12H,90H,57H

SDB5DUP（?

）

DATAENDS

CODESEGMENT

ASSUMECS:

CODE,DS:

DATA

START:

MOVAX,DATA

MOVDS,AX

MOVCX,5

MOVSI,OFFSETX

MOVDI,OFFSETY

LP:

MOVAL,[SI]

MOVAH,[DI]

ADCAL,AH

DAA

MOVS[SI],AL

INCSI

INCDI

LOOPLP

MOVAH,4CH

INT21H

CODEENDS

ENDSTART

4.

DATASEGMENT

LISTDB0,1,2,3,4,5,6,7,8,9

COUNTEQU$-LIST

DATAENDS

CODESEGMENT

ASSUMECS:

CODE,DS:

DATA

START:

MOVAX,DATA

MOVDS,AX

MOVCX,COUNT-1

LOOP1:

MOVDX,CX

MOVBX,0

LOOP2:

MOVAX,LIST[BX]

CMPAX,LIST[BX+1]

MOVLIST[BX],AX

LOOP3:

INCBX

LOOPLOOP2

MOVCX,DX

LOOPLOOP1

MOVAX,4CH

INT21H

CODEENDS

ENDSTART

实验三:

子程序调用程序设计

DATASEGMENT

NUMDB85,77,126,-1,-43,37,-128,11,-19,13

DATAENDS

ADDITIONSEGMENT

NUM1DB10DUP（?

）

ADDITIONENDS

CODESEGMENT

ASSUMECS:

CODE,DS:

DATA,ES:

ADDITION

START:

AX,DATA

MOVDS,AX

MOVAX,ADDITION

MOVES,AX

CALLORDER

CALLCOPY

MOVAH,4CH

INT21H

ORDERPROC

MOVCX,9

LP2:

MOVBX,0

MOVDX,CX

LP1:

MOVAL,NUM[BX]

CMPAL,NUM[BX+1]

JLENEXT

XCHGAL,NUM[BX+1]

MOVNUM[BX],AL

NEXT:

ADDBX,1

DECDX

JNZLP1

LOOPLP2

RET

ORDERENDP

COPYPROC

MOVCX,10

MOVBX,0

LP:

MOVAL,NUM[BX]

MOVES:

NUM1[BX],AL

INCBX

LOOPLP

RET

COPYENDP

CODEENDS

ENDSTART

实验四:

DOS功能系统调用

1.

DATASEGMENT

DUFDB10DUP（?

）

DATAENDS

STACKSEGMENT

SADB100DUP（?

）

TOPLABELWORD

STACKENDS

CODESEGMENT

ASSUMEDS:

DATA,CS:

CODE,SS:

STACK

START:

MOVAX,STACK

MOVSS,AX

MOVSP,OFFSETTOP

PUSHDS

SUBAX,AX

PUSHAX

MOVAX,DATA

MOVDS,AX

MOVCX,05H

MOVAL,0

S1:

MOVAH,1

INT21H

PUSHAX

LOOPS1

MOVDL,0DH

MOVAH,02H

INT21H

MOVDL,0AH

MOVAH,02H

INT21H

MOVCX,05H

MOVBX,4

S2:

POPAX

MOVDUF[BX],AL

DECBX

LOOPS2

MOVBX,0

MOVCX,05H

S3:

MOVDL,DUF[BX]

INCBX

MOVAH,2

INT21H

LOOP3

INCAL

MOVAH,4CH

INT21H

CODEENDS

ENDSTART

2.

DATASEGMENT

BUFFDB50

DB‘?

’

LETTERDB50DUP（‘?

’）

DATAENDS

CODESEGMENT

ASSUMECS:

CODE,DS:

DATA

START:

MOVAX,DATA

MOVDS,AX

LEADX,BUFF

MOVAH,0AH

INT21H

MOVDL,0DH

MOVAH,02H

INT21H

MOVDL,OAH

MOVAH,02H

INT21H

LEADX,LETTER

MOVAH,09H

INT21H

MOVAH,4CH

INT21H

CODEENDS

ENDSTART

第五次实验：

接口预备知识

DATASEGMENT

OUTBUFDB’5’,’4’,’3’,’2’,’1’

COUNTEQU$-COUNT

DATAENDS

CODESEGMENT

ASSUMECS:

CODE,DS:

DATA

START:

MOVAX,DATA

MOVDS,AX

MOVSI,OFFSETOUTBUF

MOVDI,COUNT

NEXT:

MOVDL,[SI]

MOVAH,02H

INT21H

CALLDELAY

INCSI

DECDI

JNZNEXT

MOVAH,4CH

INT21H

DELAYPROCNEAR

PUSHCX

MOVBX,299H

FOR1:

MOVCX,0FFFFH

FOR2:

LOOPFOR2

DECBX

JNZFOR1

POPCX

RET

DELAYENDP

CODEENDS

ENDSTART

第六次实验:

简单的输出接口

1.

CODESEGMENT

ASSUMECS:

CODE

start:

movdi,2

l1:

moval,02h

movdx,280h

outdx,al

calldelay

moval,00h

movdx,280h

outdx,al

calldelay

movsi,3

l2:

moval,04h

movdx,280h

outdx,al

calldelay

moval,00h

movdx,280h

outdx,al

calldelay

decsi

jnzl2

moval,08h

movdx,280h

outdx,al

calldelay

moval,00h

movdx,280h

outdx,al

calldelay

decdi

jnzl1

MOVAH,4CH

INT21H

DELAYPROCNEAR

PUSHCX

MOVBX,100H

FOR1:

MOVCX,0FFFFH

FOR2:

LOOPFOR2

DECBX

JNZFOR1

POPCX

RET

DELAYENDP

CODEENDS

ENDSTART

2.

CODESEGMENT

ASSUMECS:

CODE

START:

MOVCX,2

AA:

MOVBX,8

PUSHCX

MOVDX,280H

MOVAL,01H

BB:

OUTDX,AL

CALLDELAY

MOVDX,280H

ROlAL,1

OUTDX,AL

DECBX

JNZBB

POPCX

MOVDX,280H

movAL,00h

OUTDX,AL

LOOPAA

MOVAH,4CH

INT21H

DELAYPROCNEAR

PUSHBX

PUSHCX

MOVBX,299H

FOR:

MOVCX,0FFFFH

FOR1:

LOOPFOR1

DECBX

JNZFOR

POPCX

POPBX

RET

DELAYENDP

CODEENDS

ENDSTART

第七次实验:

简单的输入接口

1.

datasegment

xdb'end$'

dataends

codesegment

assumecs:

code,ds:

data

start:

movax,data

movds,ax

movcx,6

movdl,31h

lp:

pushdx

movdx,280h

inal,dx

andal,10h

movbl,al

lp1:

inal,dx

andal,10h

cmpbl,al

jzlp1

movdl,0ah

movah,02h

int21h

movdl,0dh

int21h

popdx

int21h

incdx

looplp

movdl,0ah

int21h

movdl,0dh

int21h

movdx,offsetx

movah,09h

int21h

movah,4ch

int21h

codeends

endstart

2.

datasegment

xdb'end$'

dataends

codesegment

assumecs:

code,ds:

data

start:

movax,data

movds,ax

movcx,6

movdl,31h

lp:

pushdx

movdx,280h

inal,dx

pushcx

movcx,2

lp1:

andal,10h

movbl,al

lp2:

inal,dx

andal,10h

cmpbl,al

jzlp2

looplp1

popcx

movdl,0ah

movah,02h

int21h

movdl,0dh

int21h

popdx

int21h

incdx

looplp

movdl,0ah

int21h

movdl,0dh

int21h

movdx,offsetx

movah,09h

int21h

movah,4ch

int21h

codeends

endstart

第八次实验:

数码管动态显示实验

1.

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.

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

第九次实验:

可编程并行接口8255实验

1.

codesegment

assumecs:

code

start:

movdx,283h

moval,90h

outdx,al

movdx,280h

inal,dx

andal,01h

cmpal,01H

movcx,3

movdx,281h

jnzl2

l1:

moval,01h

outdx,al

calldelay

moval,02h

outdx,al

calldelay

moval,04h

outdx,al

calldelay

moval,08h

outdx,al

calldelay

loopl1

moval,00h

outdx,al

jmpl3

l2:

moval,0f0h

outdx,al

calldelay

moval,000h

outdx,al

calldelay

loopl2

moval,00h

outdx,al

l3:

movah,4ch

int21h

delayprocnear

PUSHCX

PUSHBX

MOVBX,0200H

FOR3:

MOVCX,0FFFFH

FOR4:

LOOPFOR4

DECBX

JNZFOR3

POPBX

POPCX

RET

delayendp

coedends

endstart

2.

CODESEGMENT

ASSUMECS:

CODE

START:

MOVAL,10110100B

MOVDX,283H

OUTDX,AL

L1:

MOVDX,282H;C口端口号，检验C口的pc4是否为高电平，高电平则输入

INAL,DX

ANDAL,20H

JZL1

MOVDX,280H;A口端口号，读入数据

INAL,DX

CALLDELAY

MOVDX,281H;B口端口号，输出至A口

OUTDX,AL

L2:

MOVDX,282H

INAL,DX

ANDAL,02H;判断输出缓冲器是否满，满就等待，不满程序结束

JZL2

JMPL3

LOOPSTART

L3:

MOVAL,00

MOVDX,280H

OUTDX,AL

MOVAH,4CH

INT21H

DELAYPROCNEAR

PUSHCX

MOVBX,0f00H

FOR1:

MOVCX,0FFFFH

FOR2:

LOOPFOR2

DECBX

JNZFOR1

POPCX

RET

DELAYENDP

CODEENDS

ENDSTART

实验十:

可编程计数器/定时器8253实验

1.

CODESEGMENT

ASSUMECS:

CODE

START:

movdx,283h

moval,10h

outdx,al

movdx,280h

moval,04h

outdx,al

calldelay

movdx,280h

inal,dx

movdl,al

adddl,30h

movah,2

int21h

;jmpstart

movah,4ch

int21h

delayprocnear

pushcx

movbx,1000h

for1:

movcx,0ffffh

for2:

loopfor2

decbx

jnzfor1

popcx

ret

delayends

endstart

codeends

2.

CODESEGMENT

ASSUMECS:

CODE

START:

movdx,283h

moval,52h

outdx,al

movdx,281h

moval,05h

outdx,al

movah,4ch

int21h

endstart

codeends

实验十一：

DATASEGMENT

ABCDB'AREYOUREADY?

',0DH,0AH,'$'

CCCDB'IRQ10INTERRUPTNOW!

',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,5

AGAIN:

PUSHCX

LEADX,CCC

MOVAH,9

INT21H

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

ENDS