Mov al low 1234h or high 5678h

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Nettet29. mar. 2024 · 1，常数. 一，十进制常数，D结尾，不加后缀的数字默认为10进制. 二，十六进制，H结尾. 三，二进制数，B结尾. 四，八进制数，Q结尾. 五，字符串常数：引号括起来的一个或者多个字符；. 例如: CMP AL, ‘A’. 将A转换为ASCII值运算. 使用伪指令改变默认 … NettetYou'll get a detailed solution from a subject matter expert that helps you learn core concepts. See Answer Question: data valW WORD 1234h, 5678h .code mov al, BYTE …

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Nettet相关推荐 (完整版)微机原理与接口技术试题库(含答案)汇总; 微机原理与接口技术试题库(含答案)汇总《微机原理与接口》章节 ... http://www.sce.carleton.ca/courses/sysc-3601/s14/SYSC3601-Slides-03-Intel%20Addressing%20Modes%20and%20Instruction%20Encoding.pdf sarah winnemucca elementary school

在DEBUG环境下编程：在内存中存入两个字：1234H,5678H，完成 …

Nettet23. feb. 2024 · MOV AL, [BP+ 0100] Based indexed displacement mode – In this type of addressing mode the effective address is the sum of index register, base register and displacement. Example: MOV AL, [SI+BP+2000] String mode – This addressing mode is related to string instructions. Nettet22. mar. 2024 · A MOV file is one of the most common video file types, often storing a movie, TV show, short video clip, or home movie. It is saved in the QuickTime File … Nettet科学出版社版《微机原理与接口技术》课后习题答案 sarah winslow md vancouver wa

What Is MOV File Format and How to Open It on Different Devices …

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NettetMOV AX,1234H 1011 W REG data low data high Opcode: 1011 MOV (imm,reg) W: 1 16 bit transfer REG: 000 AX Data Low: 34H 00110100 Data High: 12H 00010010 … Nettet25. apr. 2008 · 1．巳知DS=091DH，SS＝1E4AH．AX＝1234H，BX＝0024H，CX＝5678H，BP＝0024H，SI=0012H，DI＝0032H， (09226H)＝00F6H， (09228H)＝1E40H， (1E4F6H)＝091DH。在以上给出的环境下，试问下列指令或指令段执行后的结果如何? (1) MOV CL， [BX+20H] [SI]； ext: … sarah winnemucca schoolNettet18. mai 2024 · MOV AX, [SI+2000] MOV AL, [DI+3000] Based mode – In this the effective address is the sum of base register and displacement. Example: MOV AL, [BP+ 0100] … sarah winters obituary hanover pa

"Nettet7. des. 2024 · 正确答案： D 我的答案：A 分析：变量名等价于地址，这里是变量相减，就是地址相减。一个字符表示占用一个字节，‘123’占用了三个字节 EQU：等值操作，就是= 第二题设AX=3762H，CL=5，执行“SHR AX，CL”后，则AX的值为： A、0376H B、01BBH C、01BB D、0376 1 2 3 4 5 6 7 正确答案： B 我的答案：B shr逻辑右移，高位 … " - Mov al low 1234h or high 5678h

Mov al low 1234h or high 5678h

Nettet28. sep. 2024 · 后者为逻辑运算符，在汇编时进行“与”运算，产生具体数值。〔习题〕给出下列语句中，指令立即数（数值表达式）的值： 1） mov al,23h AND 45h OR 67h … Nettet19. nov. 2024 · 5.FLAGS寄存器一般不作为操作数在指令中出现. 6.MOV指令不影响标志位. 7.寄存器内数据传送入存储器同样是寄存器低位放地址低位，寄存器高位放地址高位. 8.向段寄存器内存数只能通过AX. 例：. MOV AL, BX ; × 操作数位数不一致 MOV AX, [SI]05H ; √ MOV [BX] [BP], BX ; × 两个 ...

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Nettet15. okt. 2024 · (1)mov al ，23h AND 45h OR 67h ； 67h (2)mov ax ，1234h/16 + 1Oh ； 133h (3)mov ax ，NOT (65535 XOR 1234h) ； 1234h (4)mov al, LOW 1234h OR HIGH 5678h ； 76h (5)mov ax ，23h SHL 4 ； 0234h (6)mov ax, 1234h SHR 6 ； 0048h (7)mov al ，’a’ AND (NOT (’a’ - ’A’)) ； 41h (8)mov al ，’H’ OR ； 68h (9)mov ax ， … Because on x86 systems the low byte of some data is stored in the first byte and the high byte is stored in the second byte, the value 1234h would be stored as two bytes:34h in the first byte and 12h in the second one. The same is true for 78Bh: 8Bh is stored in the first byte and 07h is stored in the second one. EDIT

Nettet8. mai 2014 · mov ax, es:[1000h] 物理地址 31000h (ax)=9abch mov ax, [bx] 物理地址 21000h (ax)=1234h mov ax，[bp+di] 物理地址 21002h (ax)=5678h mov ax, [bx][si] 物 … NettetMOV is a video format that was developed by Apple. It’s an MPEG 4 video container file that is primarily used with Apple’s QuickTime program. An MOV video can hold many …

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Nettet将寄存器与寄存器或存储器之间的数据进行对换。 mov ax,1234h mov bx,5678h xchg ax,bx ;ax=5678h,bx=1234h xchg al,ah ;ax=7856h xchg ax, [2000h] ;也可写xchg [2000h],ax xchg al, [2000h] ;也可写xchg [2000h],al 3.换码指令XLAT 将BX指定的缓存区中、AL指定的位移处的一个字节取出赋给AL。 mov bx,100h mov al,03h xlat ;al<-ds: [bx+al] 4.堆栈 …

Nettet逻辑地址：表示为段地址：偏移地址. 偏移地址：是某一存储单元距离所在逻辑段的开始地址的字节个数。. 物理地址计算公式：物理地址 = 段地址×10H＋有效地址（或偏移地 … sarah winter killers of the cosmosNettetMOV [BP],AL to … MOV [BP+0H],AL MOD ... MOV AX,1234H 1011 W REG data low data high Opcode: 1011 MOV (imm,reg) W: 1 16 bit transfer REG: 000 AX Data Low: 34H 00110100 Data High: 12H 00010010 Machine instruction is: Op WREG DataLow DataHigh 1011 1000 0011 0100 0001 0010 B 8 3 4 1 2 If W=1 sarah winkler detroit public theatreNettet2. des. 2011 · 解:该指令的源操作数为存储器操作数,其寻址方式为基址寻址,故有效地址为BP的内容5678H。操作数所处段为隐含段堆栈段,故段基址为04680H,所以实际地址=段基址+有效地址=04680H+5678H=09CF8H。解:该指令的源操作数为存储器操作数,其寻址方式为寄存器间接寻址,故SI的内容1357H即为有效地址。操作数所处段为代码段,故段基址 … sarah winslow on facebook