例题程序清单精简Word文档格式.docx

例题程序清单精简Word文档格式.docx

《例题程序清单精简Word文档格式.docx》由会员分享，可在线阅读，更多相关《例题程序清单精简Word文档格式.docx（17页珍藏版）》请在冰点文库上搜索。

PUSHDS

MOVAX,0

PUSHAX

MOVAX,DATA

MOVDS,AX

MOVAH,9

LEADX,INPUT

INT21H

MOVAH,1

ANDAL,0FH

MOVXX,AL

MOVBX,OFFSETTABLE

MOVAH,0

MOVAL,XX

ADDBX,AX

MOVAL,[BX]

MOVYY,AL

RET

STARTENDP

CODEENDS

ENDSTART

exp3.asm

;

sample分支结构

XXDB56

STACKSEGMENTPARASTACK

DB256DUP（?

START:

MOVAL,[XX]

CMPAL,0

JGEBIGER

MOVAL,-1

JMPEQUL

BIGER:

JEEQUL

MOVAL,1

EQUL:

MOVAH,4CH

exp5.asm

sample分支结构跳转表

BASEDWSBR0,SBR1,SBR2,SBR3

BNDB3

MOVBL,BN

MOVBH,0

SHLBX,1

JMPBASE[BX]

SBR0:

MOVAH,2

MOVDL,'

0'

SBR1:

1'

SBR2:

2'

SBR3:

3'

exp52.asm

sample分支结构跳转指令表

BNDB3

MOVAL,BN

ADDAX,AX

MOVBX,OFFSETBASE

JMPBX

BASE:

JMPSBR0

JMPSBR1

JMPSBR2

JMPSBR3

ENDSTART

EXP6.ASMsample循环结构统计数据块负数的个数

BUFDB-1,3,5,-7,99,-120,127,-128,56,2

CUNTEQU$-BUF

SUMDW?

MAIN:

LEABX,BUF

MOVCX,CUNT

MOVDX,0

LP1:

ANDAL,AL

JNSPLUS

INCDX

PLUS:

INCBX

LOOPLP1

MOVSUM,DX

ENDMAIN

EXP7.ASMsample循环结构

CODESEGMENT

CODE

MOVCX,0

LP:

ANDAX,AX

JZEXIT

SALAX,1

JNCZERO

INCCX

ZERO:

JMPLP

EXIT:

ENDMAIN

EXP8.asm

DATASEGMENT

BUFDB02H,38H,47H,33H,09H,76H,7BH,23H

CUNTEQU$-BUF

SUMDB3DUP（0）

MOVBX,0

MOVAL,BUF[BX]

CMPAL,30H

JBNEXT

CMPAL,39H

JAABC1

INCSUM[0]

JMPNEXT

ABC1:

CMPAL,’A’

CMPAL,’Z’

JAabc2

INCSUM[1]

abc2:

CMPAL,’a’

CMPAL,’z’

JANEXT

INCSUM[2]

NEXT:

INCBX

EXP9.ASMsample子程序调用寄存器传递参数

BUFFER1DB90,-56,98,12,68,-100,37,15,-4

CUNT1EQU$-BUFFER1

RESULT1DW?

BUFFER2DB101,32,-89,16,82,25,91,84,71

CUNT2EQU$-BUFFER2

RESULT2DW?

MOVSI,OFFSETBUFFER1

MOVCX,CUNT1

CALLSUM

MOVRESULT1,AX

MOVSI,OFFSETBUFFER2

MOVCX,CUNT2

MOVRESULT2,AX

入口参数：

SI：

数组首地址，CX：

数组长度

出口参数：

AX：

求和

SUMPROC

CMPCX,0

JZEXIT

AGAIN:

PUSHAX

MOVAL,[SI]

CBW

MOVBX,AX

POPAX

ADDAX,BX

INCSI

LOOPAGAIN

RET

SUMENDP

sample子程序调用参数地址表传递参数

BUFFERDB11,22,33,44,55,66,77,88,99,101,111,122

CUNTDW$-BUFFER

RESULTDW?

TABLEDW3DUP（?

MOV[TABLE],OFFSETBUFFER

MOV[TABLE+2],OFFSETCUNT

MOV[TABLE+4],OFFSETRESULT

LEABX,TABLE

入口参数BX：

参数地址表的首地址

MOVSI,[BX]

MOVBP,[BX+2]

MOVCX,DS:

[BP]

MOVDI,[BX+4]

MOVAX,0

ADDAL,[SI]

ADCAH,0

MOV[DI],AX

sample子程序调用堆栈传递参数

ARRAYDB11,22,33,44,55,66,77,88,99,101,111,122

CUNTDW$-ARRAY

RESULTDW?

LEABX,ARRAY

PUSHBX

LEABX,CUNT

LEABX,RESULT

CALLfarptrSUM

CODE2SEGMENT

CODE2

SUMPROCFAR

PUSHCX

PUSHBP

MOVbp,SP

MOVBX,[BP+14]

MOVCX,[BX]

MOVBX,[BP+12]

MOVSI,[BP+16]

CMPCX,0

MOV[BX],AX

POPBP

POPCX

POPBX

POPAX

RET6

CODE2ENDS

ENDmain

EXP10.ASM

ARYDB56H,78H,12H,99H,34H,23H,32H;

BCDcode

CUNTDW$-ARY

LEABX,ARY

MOVBP,SP

DAA

MOVDL,AL

MOVAL,0

ADCAL,AH

MOVAH,AL

MOVAL,DL

INCSI