一、代码段(codesegment/textsegment): 又称文本段,用来存放指令,运行代码的一块内存空间 此空间大小在代码运行前就已经确定 内存空间一般属于只读,某些架构的代码也允许可写 在代码段中,也有可能包含一些只读的常数变量,例如字符串常量等。 二、数据段(datasegment): 可读可写 存储初始化的全局变量和初始
说明下面程序所实现的功能。DATA SEGMENTA DB ‘123ABC’DATA ENDSCODE SEGMENTASSUME CS:CODE,DS:DATAST: MOV AX,DATAMOV DS,AXLEA BX,AMOV CX,6MOV AH,2LP: MOV AL,[BX]XCHG AL,DLINC BXINT 21HLOOP LPMOV AH,4CHINT 21HCODE ENDSEND ST 相关知识点: 试题来源: ...
Data segment ;定义三个变量:X1 =12h, X2 = 34h, X3= 56hData endsCode segment Assume cs:code,ds:dataStart: ;将DATA段初值装载到DS段寄存器中 Mov ax,1111h Mov bx,2222h Mov dx,3333h Mov cx,0CCCCh ; 1、将寄存器AX、BX和DX内容相加,和放在寄存器DX中,AX、BX中值不变。 ;2、将X1的值 ...
DATA SEGMENTDATA1 DB ‘12345678’DATA2 DB 6 DUP(?)DATA ENDSCODE SEGMENTASSUME CS:CODE,DS:DATASTART:MOV AX,DATAMOV DS,AXMOV BX,OFFSET DATA1MOV DI,OFFSET DATA2MOV CX,8NEXT: MOV AL,[BX]AND AL,0FHMOV [DI],ALINC BXINC DILOOP NEXTMOV AH,4CHINT 21HCODE ENDSEND START写出程序运行结果...
在出现的编辑框中,输入 UrlSegmentMaxCount 作为新的项名称。 打开新项的快捷菜单并选择“修改”。 在出现的“编辑字符串”框中,以十六进制或十进制格式输入所需的“数值数据”项值。 例如,十六进制的 400 等效于十进制的 1024。 若要添加 UrlSegmentMaxLength 项值,请重复这些步骤。 在增大或添加这些项...
Data and code locality plays a significant role during code analysis. Thus data reordering is often employed for data delocalization. It alters the order of data units within a code segment. It is applied to: (a) Reorder instance variable: randomizes the variable declarations, (b) Reorder arra...
现有程序如下: DATA SEGMENT A DB 23 B DB 0F0H C DB 0 DATA ENDS CODE SEGMENT ASSUME CS:CODE, DS: DATA START: MOV AX, DATA MOV DS, AX MOV AL, A CMP AL, B JZ L JG M MOV C, -1 JMP EXIT L: MOV C, 0 JMP EXIT M: MOV C, 1 EXIT: MOV AH, 4CH INT 21H CODE ENDS END...
Next code segment is run since next state was set before yielding control Another await is scheduled, [etc.] See it written in the code Two async functions decoded // AsyncAwait.Engine.Downloader public static async Task<string> DownloadHtmlAsyncTask(string url) { HttpClient httpClient = ...
数据段的开始的结束分别是什么?A、CODE SEGMENT CODE ENDSB、DATA SEGMENT DATA ENDS搜索 题目 数据段的开始的结束分别是什么? A、CODE SEGMENT CODE ENDS B、DATA SEGMENT DATA ENDS 答案 解析收藏 反馈 分享
Figure 2. Storing and accessing data in columns. Code segment 2 executes in 33% less time than segment 1 on machine A, and in 55% less time than segment 1 on machine B. Why Code Segment 2 is FasterModern CPUs use a fast cache to reduce the average time taken to ac...