Mov bx word ptr 2200h

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August undefined, 2024

Nettet5. jul. 2024 · 43 7. WORD PTR [d] is verbose way of saying [d] since the size of the data doesn't matter in getting its address. Would be the same as saying LEA AX, [d] which moves the address of d to AX. In MOV WORD PTR [addr],AX the size of AX is known to be 16-bits to again WORD PTR [addr] is a verbose way of saying [addr] so is the same … Nettet4. jan. 2024 · 举例：MUL BYTE PTR [BX]；BYTE PTR说明后面的偏移地址指向的内存单元是字节长 (8位)。 WORD PTR是字长 (8086来说就是16位)。 ALxXXH——>AX 有符号数乘法指令格式：IMUL OPRD 指令格式及对操作数的要求与MUL指令相同。

mov bx,word ptr[2200h]其物理地址表达式为 - 百度知道

Nettet7. jun. 2009 · mov word ptr [si+22h],1200h;执行后12486h为00h,12487h为12h lds si,[si+20h];执行后si为0464h，ds为1200h ... mov bx, dx pop cx loop in_x;-----in_end: disp_str msg3 ;宏调用，提示 num is : mov ah, 1 ;输入字符. int 21h cmp al, 30h je exit ;'0 ... Nettet30. mar. 2016 · MOV BX，OFFSET C MOV AX， [BX] ADD B，AX MOV AX，2 [BX] SAL AX，1 ADD AX，B MOV A，AX … CODE ENDS 3、假设（DS）＝2000H，（SS）＝2000H， (ES)=3000H, （SP）＝0A200H，（AX）＝0E90H，（BX）＝0214H，（30214H）＝2400H， … tambour bench

MOV BYTE PTR[BP]，20H和MOV WORD PTR[BX]，2000H什么意 …

Nettet29. aug. 2024 · mov QWORD PTR [rbp-0x30],0x4020c5 means exactly "move 0x4020c5 to a memory location rbp-0x30 and treat this number as qword" (8 - byte number). But q … Nettet7. des. 2024 · a、push word ptr 20[bx+si-2] b、add bx,oddset a c、lea bx,4[bx] d、mov byte ptr[bx], 1000 正确答案： d 我的答案：c. 分析; a：push都是以字为单位的，先 … Nettet关注. BYTE PTR这样的叫属性修饰符，具体来说，就是操作数为字节；相应的，WORD PTR操作数为字。. 所以，MOV BYTE PTR [BP]，20H. 的结果，把立即数20H放到DS … tambourbad offenbach

汇编的习题_ss为2250,sp为0140_客院载论的博客-CSDN博客

Nettet4. jun. 2024 · mov ax, word ptr num. When you wrote this mov ax, word ptr num you effectively asked to retrieve only the lowest word (2 bytes) at the "num" address. You got the 1st byte 33h in AL and the 2nd byte 04h in AH, combined in one register: AX=0433h. mov bx, word ptr num+ 2. This one works similarly but will instead give only the … Nettet18. jun. 2024 · 微机原理(判断题)(指令正误).doc,指出下面指令正误，对错误指令说明错误原因 mov ds ,100×立即数不能直接送到段寄存器 mov [1200h] , 23h×目的操作数不能确定是字节属性还是字属性等 mov [1000h] , [2000h] ×存储器之间不能直接传送数据 mov 1020h , cx×立即数不能作为目的操作数 mov ax , [bx+bp+0100h] ×目的操作数的 ... txd input rxd outputNettet16. jun. 2024 · mov指令 mov指令，能实现以下操作： cpu内部寄存器之间数据的任意传送(除了码段寄存器cs和指令指针ip以外)。立即数传送至cpu内部的通用寄存器组(即ax … tambour bistro \\u0026 wine bar

"Nettet12. jun. 2024 · 1.mov ax, [100h]; 直接寻址 2000h*10h+100h = 20100h 2.mov ax, [bx]; 寄存器间接寻址 2000h*10h+0100h = 20100h 3.mov ax,es: [bx]; 寄存器间接寻址 … " - Mov bx word ptr 2200h

Mov bx word ptr 2200h

Nettet24. feb. 2024 · The MOV file format is a so-called container file format, which can bundle multiple elements like video, audio, and subtitles, as well as metadata, such as … Nettet⑴ MOV BX, WORD PTR [2200H] 源操作数：直接寻址；目的操作数：寄存器寻址解答: SS=1000H SP=1FFEH CX=2115H DX=5678H 栈中各单元内容如下所示: 地址 11FFAH 11FFCH 11FFEH 12000H RAM 2115 5678 1234 f 13．假设有下列数据定义语句： ⑴ M 1 DB 10 ⑵ M 2 DW 2345H ⑶ M 3 DD 987865H 试写出汇编程序对这些语句汇编后所生成 …

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Nettet5. nov. 2024 · Some can also extract the audio from the MOV file and save it as an MP3. Even the VLC media player program mentioned above, which can open MOV files, can … Nettet解答如下： ①MOV AX,1200H 将十六进制数1200H赋给寄存器AX，执行这条指令后，AX的值为1200H ②MOV AX,BX 将BX寄存器的值赋给寄存器AX，因为BX最初的值为0100H，所以执行这条指令后，AX的值为0100H ③MOV AX, [1200H] 将内存偏移地址1200H处存储的数据存入AX中。按照：“数据段的段地址DS左移4位二进制位后+偏移 …

NettetLEA BX, VAR1 MOV BX, OFFSET VAR1 are even compiled into the same machine code: MOV BX, num num is a 16 bit value of the variable offset. Please note that only these registers can be used inside square brackets (as memory pointers): BX, SI, DI, BP! (see previous part of the tutorial). Nettet6. nov. 2024 · 汇编里面 ptr 是规定的字 (保留字)。 mov ax,bx ;是把BX寄存器“里”的值赋予AX，由于二者都是word型，不用word mov ax,word ptr [bx];是把内存地址等于“BX寄 …

http://www2.hawaii.edu/~pager/312/notes/06OperandsAndAddressing/ Nettet3. nov. 2004 · For example if the memory value is 200h, the value IÂ´m interested in is word size and I want to store it in dx the code I use is the following: mov dx, word ptr …

NettetMOV BX,20H 是将20H送给BX寄存器，不是内存 MOV WORD PTR [BX],2000H 将2000H送内存，指令执行后： 22400H处为00H，22401H处为20H 抢首赞评论

Nettet18. jul. 2002 · 解答： mov ax, 2000h ;//把 2000h 送入 ax 中 mov ds, ax; //把 ax 的内容即 2000h 送入段寄存器ds中 mov bx,1000h;//把1000h送入bx中 mov ax , [bx]; //把内存单元 ( (ds)*16+ (bx))的内容. 若有两个4字节的无符号数相加，这两个数分别存放在 2000H 和3000H开始的单元中，将所求的和存放在 2000H ... tx district 73NettetMOV WORD PTR DATOS1, 5. Seleccione una instrucción que requiere DWORD PTR. ... MOV CX,[BX] MOV [SI], CX: Permite que los datos se direccionen en la posición de memoria a la que apunta un registro base (BP y BX) o un registro índice (DI y SI) Inmediato: MOV CX,1234H: MOV CX, 34H: tambour brother dcp-l2530dwNettetMOV AX, BX ; moves contents of register BX to register AX. Immediate Operands. A constant is an immediate operand. MOV AX, 5 ; ... INC WORD PTR [BX] ; changes memory value stored to 5511h; The LABEL directive allows you to give duplicate names (aliases) to memory variables ... tambour brother dcp 1612wNettetIf you want to open MOV files on VideoStudio, you can follow the steps below. Step 1: Launch VideoStudio. Step 2: Select File > Open according to the on-screen navigation … tambour brother mfc-l2700dwNettet30. jan. 2010 · MOV是数值传送指令，AX是目的操作数，WORD PTR表示后面的储存单元是字类型， [BX]表示用BX的值来寻址，默认段地址是DS的值。 BMCRNET 2008-03 … tambour bistro \u0026 wine barNettet2. mai 2012 · Give the contents of registers al, bx, and dl after the execution of mov al, byte ptr VarM + 1 mov bx, word ptr VarM + 2 mov dl, byte ptr VarM + 3 Now I know word ptr and byte ptr by definitions but I am unable to pickup the concept of them. According to me al = b bx = 0 dl = F Please help me out in understanding these. … tx divorce packetNettet10. apr. 2009 · BYTE PTR这样的叫属性修饰符，具体来说，就是操作数为字节；相应的，WORD PTR操作数为字。所以，MOV BYTE PTR [BP]，20H 的结果，把立即数20H放到DS X 10H+BP,亦即地址21000+6200=27200H的内容为20H；而MOV WORD PTR [BX]，2000H 的结果，27200H处为00H，27202H处为20H，按INTEL的反字节顺序存放 … tambour brother mfc-l2710dw