Mov word ptr 1200h 1200h
Nettet30. apr. 2024 · In general, PTR operator forces expression to be treated as a pointer of specified type:.DATA num DWORD 0 .CODE mov ax, WORD PTR [num] ; Load a … NettetThe PTR operator can be used to override the default size of an operand, or to explicitly state the size of an operand that would otherwise be ambiguous. ByteVal DB 05h, 06h, 08h, 09h, 0Ah, 0Dh, '$' WordVal DW 5510h, 6620h, 0A0Dh, '$' MOV AX, WORD PTR ByteVal+2 ; sets AX = 0908h
Mov word ptr 1200h 1200h
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http://www2.hawaii.edu/~pager/312/notes/06OperandsAndAddressing/ Nettet微机原理实验指导书aaa资料
http://www.ee.hacettepe.edu.tr/%7Ealkar/ELE414/dirz2005/w3-414-[2005].pdf Nettet• mov al,43 mov byte ptr [1200H],28 mul byte ptr [1200H] → AX = 43×28 • mov ax,1234 mov word ptr [1200H],5678 mul word ptr [1200H] → (DX,AX) = 1234×5678 Division : …
Nettet《微型计算机原理与接口技术》课后习题答案_试卷 Nettet24. nov. 2011 · movcx, 20 cld mov si, seg coname mov ds, si mov es, si lea si, coname lea di, prline rep movsb movcx, 20 std mov si, seg coname mov ds, si mov es, si lea si, coname add si, 20-1 lea di, prline add di, 20-1 rep movsb movax, word ptr coname+3-1 movword ptr prline +5, ax moval, ;空格的ascii al寄存器 cld mov di, seg coname mov …
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+偏移地址 = 物理地址”的计算公 …
Nettet3. jan. 2024 · mov dword ptr [ebp-4], 10h mov 是指令, 意思是把数据从“源地址”移动到“目的地址”; 10h 就是“源地址”,只不过这里用了一个常数而不是地址; dword ptr [ebp-4] … guitar chords if i were a carpenterNettet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 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。 101 评论 … bovin limousineNettet5. des. 2016 · (1)MOV CX,10 LEA SI,FIRST LEA DI,SECOND STD REP MOVSB 将数据段中FIRST为最高地址的10个字节数据按减地址方向传送到附加段SECOND为最高地址的向前10个单元中。 (2)CLD LEA DI, [1200H] MOV CX,0F00H XOR AX,AX REP STOSW 将附加段中偏移地址为1200H单元开始的0F00H个字单元清零。 3.12执行以 … guitar chords how long has this been going onNettet北理工《微机技术及应用》在线作业参考答案_试卷 guitar chords hysteriaNettetmov al,1200h mov al,bx mov [si][di],ax mov es:[dx],cx mov [ax],value mov count,[si] 答案: mov ax,[cx]错。cx不能为间址寄存器 mov al,1200h错。立即数超出8位寄存器范围 mov al,bx错。两个操作数不匹配 mov [si][di],ax错。两个变址寄存器不能在一起 测试条件:sf=of或zf=1 sal算术左移指令 sar算术 ... guitar chords if the world had a front porchNettet冰豆网(bdocx.com)是在线下载分享平台,提供PPT模板和Word文档下载。你可以上传学术论文,研究报告,行业标准,课后答案,教学课件,工作总结,作文等电子文档,分享知识获取收益,还可以分享最新的行业资讯。 bovino and associatesNettet(c) MOV DL, [BX+100H]. DS x 10H + 0100H + 100H = 12200H Suponga que DS = 1100H, BX = 0200H, LISTA = 0250H y SI = 0500H. Determine la dirección a la que accede cada una de las siguientes instrucciones, suponiendo la operación en modo real: (a) MOV LISTA [SI],EDX. DS x 10H + LISTA + SI = 11000H + 250H + 0500H = 11750H (b) MOV … bovino chiropractic wpg