微機(jī)原理試驗(yàn)報(bào)告兩個(gè)32位無(wú)符號(hào)數(shù)乘法程序以及碼制轉(zhuǎn)換程序設(shè)

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微機(jī)原理試驗(yàn)報(bào)告

姓名：班級(jí)：學(xué)號(hào)：

時(shí)間：

試驗(yàn)名稱：基本匯編語(yǔ)言程序設(shè)計(jì)試驗(yàn)一：兩個(gè)32位無(wú)符號(hào)數(shù)乘法程序試驗(yàn)二：碼制轉(zhuǎn)換程序設(shè)計(jì)

十六進(jìn)制到ASCII從二進(jìn)制到ASCII

一、程序流程圖

1、兩個(gè)32位無(wú)符號(hào)數(shù)乘法程序：

2、十六進(jìn)制到ASCII

二、程序的實(shí)現(xiàn)：1、試驗(yàn)一程序：

NAME32BITMULTIPLYDATASEGMENT

MULNUMDW0000,0FFFFH,0000,0FFFFH,4DUP(?)DATAENDS

STACKSEGMENTPARASTACK'STACK'DB100DUP(?)STACKENDS

CODESEGMENT

ASSUMECS:CODE,DS:DATA,SS:STACK,ES:DATASTARTPROCFARBEGIN:PUSHDSMOVAX,0PUSHAX

MOVAX,DATAMOVDS,AXMOVES,AXLEABX,MULNUMMULU32:MOVAX,[BX]MOVSI,[BX+4]

MOVDI,[BX+6]MULSI

MOV[BX+8],AXMOV[BX+0AH],DXMOVAX,[BX+2]MULSI

ADDAX,[BX+0AH]ADCDX,0

MOV[BX+0AH],AXMOV[BX+0CH],DXMOVAX,[BX]MULDI

ADDAX,[BX+0AH]ADCDX,[BX+0CH]MOV[BX+0AH],AXMOV[BX+0CH],DXPUSHF

MOVAX,[BX+2]MULDIPOPF

ADCAX,[BX+2]ADCDX,0

MOV[BX+0CH],AXMOV[BX+0EH],DXRET

STARTENDPCODEENDSENDSTART

2、試驗(yàn)二的程序：1）

NAMEHEX_CHANGE_TO_ASCIIDATASEGMENTL1DW2

STRINGDB34H,98HL2DW?

BUFFERDB2*2DUP(?)DATAENDS

STACKSEGMENTPARASTACK'STACK'DB100DUP(?)STACKENDS

CODESEGMENT

ASSUMECS:CODE,DS:DATA,ES:DATA,SS:STACKSTARTPROCFARBEGIN:PUSHDSMOVAX,0PUSHAX

MOVAX,DATAMOVDS,AXMOVES,AXMOVCX,L1LEABX,STRINGLEASI,BUFFERMOVL2,CXMOVCX,AXAGAIN:MOVAL,[BX]MOVDL,AL

ANDAL,0FHCALLCHANGEMOVAL,DLPUSHCXMOVCL,4SHRAL,CLPOPCX

CALLCHANGEINCBX

RETSTARTENDPCHANGEPROCCMPAL,10JLADD_0ADDAL,'A'-'0'-10ADD_0:ADDAL,'0'

MOV[SI],ALINCSI

RETCHANGEENDPCODEENDSENDSTART

2）

NAMEBINARY_TO_ACSIIDATASEGMENTNUMDW4F78H

STRINGDB16DUP(?)

DATAENDS

STACKSEGMENTPARASTACK'STACK'DB100DUP(?)STACKENDS

CODESEGMENT

ASSUMECS:CODE,DS:DATA,SS:STACK,ES:DATASTARTPROCFARBEGIN:PUSHDS

MOVAX,0PUSHAX

MOVAX,DATAMOVDS,AXMOVES,AXLEADI,STRING

MOVCX,LENGTHSTRINGPUSHDIPUSHCXMOVAL,30H;REPSTOWPOPCXPOPDI

MOVAL,31HMOVBX,NUMAGAIN:RCLBX,1JNCNEXTMOV[DI],ALNEXT:INCDILOOPAGAINRETSTARTENDPCODEENDSENDSTART

三、試驗(yàn)感想：