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Mov ax count

Nettet10. jun. 2009 · MOV BX,OFFSET COUNT ;取得count的偏移地址1200即bx=1200H MOV SI, [BX] ;把ds: [bx]和ds: [bx+1]的内容赋给si(16位2个字节) ;即 (21200)和 (212001)的内容赋给si,si=1000H(高到底位) MOV AX,COUNT [SI] [BX] ;即ds: [bx+si+count]和ds: [bx+si+count+1]的内容赋给ax ;2000: [1200+1000+1200]和2000: … NettetAGAIN: ADD AX, COUNT [BX] ; ADD ELEMENT OF COUNT TO AX. Label—provides a Destination operand Comment Means of branching (register addressing) To this instruction . 23 MOV Instruction: » Copies ... MOV AX, 27H (b) MOV AL, 97FH (c) MOV DS, 9BF2H (d) MOV CX, 397H (e) MOV Si, 9516H (f) MOV CS, 3490

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Nettet微机原理考试试题 参考答案第1章一选择题1. c 2. d 3. b4. c 5. b 6. a7. d 8. c 9. c10. c 11. c 12. d二填空题1. 运算器;控制器;存储器;输入设备;输出设备2. 01100100;1 Nettet微机系统与汇编语言复习微机系统与汇编语言简答题1. 设a186,b273q,c0bbh,它们之间的关系是 a.abc b.abcc.abc d.abc2. 80868088的存贮器组织是将存储器划分为段,可作为段的起始地址是 a.185a2 purple gang leader michael meldish https://mantei1.com

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Nettetxor ax,ax stc mov cx,count mov si,offset array label1: adc ax,word ptr [si] add si,2 loop label1 label2: ———————- ———————- What will be the value in AX when control reaches label2? Show the calculation for all iteration for the value in AX. Write the final answer in hexadecimal. When the control reaches label2, AX ... Nettet20. jun. 2024 · If you didn't want to move the data for whatever reason, then you would have to insert an instruction to jump over it: org 100h count equ 2 jmp Begin A DW 5 B DW 6 Y0 DW ? Y1 DW ? Begin: mov AX,A add AX,B sub AX,count mov Y0,AX mov BX,B neg BX add BX,count mov Y1,BX ret Share Improve this answer Follow edited … Nettetmov ax,[1200h] 说明:源操作数为16位,al=1200h中的数据;ah=12001h中的数据(先低位后高位) 操作数默认为数据段(ds),允许重设. mov ax,es: [1200h] :为段重设 … purple gaming wallpaper 4k

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Category:微机原理及应用第3章指令系统 - 百度文库

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Mov ax count

MOV AX,[BX][SI]是什么意思 - 百度知道

Nettet微机原理与接口技术题库doc一填空1.8086cpu从偶地址读写一个字时,需要 个总线周期,从奇地址读写一个字时,需要 个总线周期.2.如果cs1200h,ipff00h,则程序指令在内存的实际地址 物理地址为 .3.80868088提供的 Nettet汇编课程设lxc文件加密程序.docx 《汇编课程设lxc文件加密程序.docx》由会员分享,可在线阅读,更多相关《汇编课程设lxc文件加密程序.docx(14页珍藏版)》请在冰豆网上搜索。

Mov ax count

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http://www2.hawaii.edu/~pager/312/notes/06OperandsAndAddressing/ Nettet6. jun. 2016 · ③两个段寄存器之间不能直接传送信息,也不允许用立即寻址方式为段寄存器赋初值;如:mov ax,0;mov ds,ax. ④目的操作数,不能用立即寻址方式。 2.堆栈指令 (简述堆栈的概念及存取特点,如先进后出) 包括入栈(push)和出栈(pop)指令两类。

Nettet微机提纲挈领微机原理考试提纲识记型第一六七章重点复习第二三四五章第一章:1微机的主要的特点是:1体积小重量轻;2价格低廉;3可靠性高结构灵活4应用面广2微型机的分类:按微处理器规模分类:单片机 个人计算机 笔记本电脑 掌上电脑按微处理器的字 Nettet19. jun. 2024 · MOV DX, [ BX ] ; [BX]指示一个字单元 * 适于数组、字符串、表格的处理 1.5寄存器相对寻址方式* 指令格式: MOV AX, COUNT [SI] 或 MOV AX, [COUNT+SI] …

Nettetmov ax,bx ;两个操作数都是寄存器寻址, mov [1234h],ax ; 将AX寄存器中的值给地址1234处,当然段地址在DS中,可以用debug做实验验证下,如下: 运行-debug -r 查看 … Nettet汇编语言期末考试试题及答案汇编语言模拟试题及答案一,单项选择题 在每小题的四个备选答案中,选出一个正确的答案, 并将其号码填在题干后的括号内,每小题 1 分,共 20 分1. 指 令 jmp far ptr done 属 于 参 考 答 案

Nettet14. mar. 2024 · .code mov ax, @data mov ds, ax ; input the first character mov ah, 09h lea dx, msg1 int 21h mov ah, 01h int 21h mov char1, al ; input the second character mov ah, 09h lea dx, msg2 int 21h mov ah, 01h int 21h mov char2, al ; calculate the sum of ASCII codes mov al, char1 add al, char2 mov sum, al ; output the result mov ah, 09h …

Nettet14. nov. 2024 · Mov ax,1 is an immediate addressing mode which transfers (copy) integer 1 to ax register. Whereas Mov ax, num is a Register direct addressing mode which … securex werknemerNettet24. jun. 2024 · 指令MOV AX,COUNT [BX],若COUNT=0400H,SS=1200H,DS=1000H,BX=5000H,那么物理地址为( ) A 17400H … secureye biometric software installationNettet12. mai 2024 · So you can replace the following code by the instruction TEST AX, 1: MOV DX,0000 MOV BH,00 MOV BL,02 DIV BX CMP DX,0 And you can even use TEST WORD [SI], 1 to directly check the bit in a number from the array, so you don't even need to use MOV AX, [SI] to load the value into the AX register. Share Improve this answer Follow secure yahoo mail sign inNettetmov count, %ax # get the value at the address: add $1, %ax # increment it: mov %ax, count # store it back # release lock: mov $0, mutex # see if we're still looping: sub $1, %bx: test $0, %bx: jgt .top halt: Copy lines Copy permalink View git blame; Reference in … secure yarn ends with glueNettet10. mai 2024 · <1> MOV AX,BX 假设 AX = 2024H,BX = 2099H,则在指令 MOV AX,BX 执行之后,AX = 2099H,BX = 2099H <2> MOV AX, [BX] 假设 AX = 2024H, BX = … purple gaming wallpapersNettetMOV AX, [BP] [SI]的源操作数的物理地址是() . A、16d× (DS)+ (BX)+ (SI) B、16d× (E MOV AX, [BP] [SI]的源操作数的物理地址是() . A、16d× (DS)+ (BX)+ (SI) B、16d× (ES)+ (BX)+ (SI) C、16d× (SS)+ (BX)+ (SI) D、16d× (CS)+ (BX)+ (SI) 不爱米爱 1年前 已收到1个回答 举报 赞 403134085 幼苗 共回答了15个问题 采纳率:93.3% 举报 没有一 … purple garlic hollywood parkNettetmov count, %ax # get the value at the address: add $1, %ax # increment it: mov %ax, count # store it back # release lock: mov $0, mutex # see if we're still looping: sub $1, … secureye cms 2.0