Nettet4. mar. 2024 · 汇编语言直接偏移量操作数 变量名加上一个位移就形成了一个直接 - 偏移量操作数。这样可以访问那些没有显式标记的内存位置。假设现有一个字节数组 arrayB: arrayB BYTE 10h,20h,30h,40h,50h 用该数组作为 MOV 指令的源操作数,则自动传送数组的第一个字节: mov al,arrayB ;AL = 10h 通过在 arrayB 偏移量上加 1 ... Nettet30. des. 2024 · I searched this question on The Internet and solving is MOV AX, [BX]. In RAM memory, you can only store numbers. To store the letter "A", the number 65 is …
汇编把数组的负数取正,然后降序排列,再输出_班班v的博客 …
NettetRegister yang dipakai harus SI, DI, BX atau BP. Displacement adalah angka atau label yang offsetnya diketahui pada waktu assembly. Notasi mungkin dalam bentuk yang sama : Register ditambahkan ke offset : mov dx, array[bx] mov dx, [di+array] mov dx, [array+si] Register ditambahkan ke konstanta : mov ax, [bp+2] mov dl, [di-2] mov dx, 2[si] Contoh. Nettet间址寄存器:bx(数据寄存器),bp(基址指针寄存器),si(源变址寄存器),di(目标变址寄存器) MOV BX,1200H MOV AX,[BX] 操作数的段地址(数据差处于哪个段)取 … rtx 3070ti evga ftw3
杭电微机原理第三章【习题】.ppt - 原创力文档
Let's assume that the size of word is 2: with mov [arr + si], bx, you are writing a word value into the second half of the first cell of the array and the first half of the second cell of the array. So you need to replace arr + si with an expression equivalent to (char*)arr+1*sizeof(word). Nettet14. feb. 2024 · MOV AX, [BX] (move the contents of memory location s addressed by the register BX to the register AX) Auto Indexed (increment mode): Effective address of the operand is the contents of a register specified in the instruction. Nettet23. feb. 2024 · MOV AX, 2000 MOV CS, AX ; Displacement or direct mode – In this type of addressing mode the effective address is directly given in the instruction as … rtx 3080 amp holo ge