http://www.masmforum.com/board/index.php?topic=17825.0 WebA/D转换0809应用. 一、实验目的. 1掌握A/ D转换与单片机的接口方法。. 2了解A/ D芯片0809转换性能及编程方法。. 3通过实验了解单片机如何进行数据采集。. 二、实验内容. 利用实验仪上的0809做A/ D转换实验,〖ZH (〗实验仪上的W1电位器提供模拟量输入。. 编制程序 …
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WebMOV CX,WORD PTR idt_eprom +0 ; limit of eprom IDT INC CX SHR CX,1 CLD REP MOVS WORD PTR ES:[EDI],WORD PTR DS:[ESI] ; switch to RAM GDT and IDT ; LIDT IDT_pword LGDT GDT_pword ; MOV BX,GDT_ALIAS ; point DS to GDT alias MOV DS,BX ; ; copy eprom TSS to RAM ; MOV BX,INIT_TSS_A ; INIT TSS A descriptor base ; has RAM location of INIT … WebDec 23, 2024 · SHL BYTE PTR [0400H], CL (c) SHR BYTE PTR [DI], 1 (d) SHR BYTE PTR [DI+BX], CL (e) SAR WORD PTR (BX+DI], 1 (f) ) SAR WORD PTR [BX] [DI] +10H, CL 39. …
WebApr 5, 2024 · In other words, if you shift right an unsigned number then you would use logical shift right. If you shift an integer number with a sign, then you would need the arithmetical shift right, to preserve the sign. The former STL had this option SHR vs. SSD, SSI, now the new SCL has only SHR (logical shift right), as the other is not necessary anymore. WebNov 29, 2011 · The stack-address size determines the width of the stack pointer when writing to the stack in memory and when decrementing the stack pointer. (As stated …
WebIdentify 4 health risk problems you have identified while reviewing C.G.'s admission information. Verified answer. engineering. A machine costs $250,000 to purchase and will provide$60,000 a year in benefits. The company plans to use the machine for 12 years and then will sell the machine for scrap, receiving $15,000. Web本来,若变量X定义成了16位的字类型变量(即用DW定义),可以直接写 MOV X, AX. 但因为X未定义成字,可能是用DB定义成了8位的字节,也可能是用DD定义成了32位的双字,直接那样写会出现两个操作数类型不一致的错误。. 所以就加上WORD PTR指定这一次将X变量地址 …
WebNov 17, 2012 · word ptr中ptr的意思是指定存储器操作数的数据类型属性. 例如:. MOV word ptr [2000H],12 ;就是指定存储器的数据类型为字类型 占2个单元. 该指令把立即数12 存放在 [2000H]和 [2001H]中,即低字节0CH送2000H];. 高字节00H送 [2001H].。. 呵呵 满意就选满意回答哦. 513. 评论 (1) 分享.
Web• The SHR (shift right) instruction performs a logical ... wval WORD 9BA6h.code mov ax,0AC36h shld wval,ax,4 9BA6 AC36 BA6A AC36 wval AX ... mov BYTE PTR [esi],'0' jnc L2 mov BYTE PTR [esi],'1' L2:inc esi loop L1. Irvine, Kip R. Assembly Language for Intel-Based Computers, 2003. 26 poorly formedWebDec 21, 2015 · The MSB is shifted into the carry flag. The destination can be a byte or a word. It can be in a register or in a memory location. The number of shifts is indicated by count. Eg. SAL CX, 1 SAL AX, CL SHR : SHR destination, count This instruction shifts each bit in the specified destination to the right and 0 is stored at MSB position. share margin financingWebMUL WORD PTR [SI]; (DX)(AX) (AX) x ([SI]) ... SHR: SHR destination, count . This instruction shifts each bit in the specified destination to the right and 0 is stored at MSB position. The LSB is shifted into the carry flag. The destination can be a byte or a word. share market average calculatorWebNov 16, 2012 · word ptr中ptr的意思是指定存储器操作数的数据类型属性. 例如:. MOV word ptr [2000H],12 ;就是指定存储器的数据类型为字类型 占2个单元. 该指令把立即数12 存放在 … poorly formed granulomaWebAug 30, 2015 · Lets go over the instruction piece by piece: mov. movqword ptr ds:[rax+18],r8. This is the opcode part of the instruction. It describes the base operation the CPU is required to perform. mov is an opcode instructing a CPU to copy data from the second operand to the first operand. The first operand on the mov instruction is a target operand, and the second … share market analysis softwareWeb11 letter words containing shr. shr ubberies. under shr ubs. shr ivelling. pre shr unken. semi shr ubby. mu shr ooming. bu shr angers. bu shr anging. share mapped network driveWebFeb 18, 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 highest word. share market analysis india