Or ax 1234h or 0ffh
WebDec 31, 2024 · This instruction does more or less the opposite of MOV AX, [BX]: It writes data to memory. This time, the data in the register BX is written to the memory specified by the registers DS and 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 ... Weba. mov ax,12h b. mov ax,[1234h] c. mov ds:[1234h],12h d. mov al,ds:[1234h] 5. 下面源程序语句中,_____包含有寄存器寻址方式。 ... and bx,0ffh and bh,[bx] 上述指令序列运行后,bx的内容是()( b ) a. 0305h ( bcd ) a. mov al,00 b. and al,00 c. xor al,al d. sub al,al 10. 下面可以形成 ...
Or ax 1234h or 0ffh
Did you know?
Webanswer bank (DX=FFFFh, AX=80C0h / shl ebx, 3 / shl ebx, 5) 18. What will be the hexadecimal values of DX and AX after the following instructions have executed? mov ax, 3456h mov … Webmov ax,7FFFh add ax,2 ; SF = 1 ; Carry flag example: mov al,0FFh add al,1 ; CF = 1, AL = 00 ; Overflow flag example: mov al,+127 add al,1 ; OF = 1 mov al,-128 sub al,1 ; OF = 1 exit main ENDP END main Programming Exercises 1. Indicate whether or not each of the following instructions is valid. a. add ax,bx b. add dx,bl
WebMOV AX, [BX] ; Suppose the register BX contains 4895H, then the contents ; 4895H are moved to AX ADD CX, {BX} Based addressing mode In this addressing mode, the offset … WebMOV AX, 1234h RET ; return to caller. p1 ENDP CZSOPA unchanged CBW No operands Convert byte into word. Algorithm: if high bit of AL = 1 then: zAH = 255 (0FFh) else zAH = 0 Example: MOV AX, 0 ; AH = 0, AL = 0 MOV AL, -5 ; AX = 000FBh (251) CBW ; AX = 0FFFBh (-5) RET CZSOPA unchanged Clear Carry flag. Algorithm: CF = 0 8086 instructions Page 6 of ...
WebNo, AX cannot store the value +32,768 because it is larger than a signed word. To determine if a value is valid or not, after the negation you would need to check the status flag to see … Web微机原理和接口技术习题答案解析第1章 微机运算基础习题和思考题1. 请完成以下计算:17466d10101110.10101bae. a8h10101110101.01011b 1397.344d575.58h4bch010b bcd2.
Webif using BX, the operand is defaultly located in Data segment,then: PA= (DS)*10H+ (BX)+ (DI)/ (SI)+disp if using BP, the operand is defaultly located in stack segment,then: PA= (SS)*10H+ (BP)+ (DI)/ (SI)+disp 16 f Based Indexed Relative Addressing MOV [BX+DI+1234H], AH 88 ;assume (ds)=4000h, (bx)=0200h, (di)=0010h ;machine code:88A13412h A1
WebMOV AX,[BX+DI+1234H] 100010 D W MOD REG R/M Displacement Opcode: 100010 D: 1 Must be 1, dest AX specified by REG W: 1 16 bit transfer MOD: 10 16-bit displacement REG: 000 AX R/M: 001 [BX+DI+DISP] Machine instruction is: 1000 1011 1000 0001 0011 0100 0001 0010 8 B 8 1 3 4 1 2. granny shows on youtubeWebDoc-9MXMRS;本文是“资格或认证考试”中“教师资格考试”的实用应用文的论文参考范文或相关资料文档。正文共16,068字,word格式文档。内容摘要:填空,位偏移量)和(SP)提供,单项选择题,判断题(你认为正确的,请在题末的括号内打“√”,错的打“×,简答题,位机,如何响应一个可屏蔽 ... chin ryuhttp://www.sce.carleton.ca/courses/sysc-3601/s14/SYSC3601-Slides-03-Intel%20Addressing%20Modes%20and%20Instruction%20Encoding.pdf granny simulator download mediafireWebApr 8, 2024 · MOV [1234H], AX means that the value of AX is copied to 1234 hexadecimal address in memory. So, please correct me if what I am saying is wrong, the [] operator functions as a pointer to, right? This being said, I can't understand the following instruction: MOV [EBX], AX why the use of the [ ]? chins 400ah batteryWebApr 13, 2024 · 想预览更多内容,点击免费在线预览全文 chins4 arrivalWebIf AX-1234H and DX- 20FFH, list the sum and the contents of each flag register bit (C, S, and Z) after the ADD AX, DX instruction executes. 2. This problem has been solved! granny simulator for freeWeb微机原理与接口技术期中考试题(带答案)_试卷_中考 chins 400ah lithium battery