Nettetmov ax [0020]mov ax, ... – inc ax ; add 1 to ax – mov count , bx ; move BX to count 6, Directives • Commands that are recognized and acted upon by the assembler – Part of assembler’s syntax but not part of the Intel instruction set – Used to declare code, data areas, select memory Nettet14. mar. 2024 · .code mov ax, @data mov ds, ax ; input the first character mov ah, 09h lea dx, msg1 int 21h mov ah, 01h int 21h mov char1, al ; input the second character mov ah, 09h lea dx, msg2 int 21h mov ah, 01h int 21h mov char2, al ; calculate the sum of ASCII codes mov al, char1 add al, char2 mov sum, al ; output the result mov ah, 09h …
Intel x86 Instruction Set Architecture Data Transfers Instructions
Nettet1111 通信《微机原理与接口技术》作业.doc. *教材:中国科大《微型计算机原理与接口技术》第 5 版 *思考题:不用写在作业本,不用上交作业; *书面题:. z z z z 写在作业本上,周一上课前上交作业; 作业本必须有封面,写清课程名、班级、学号、姓名; 作业题 ... Nettet.code mov ax,[arrayW+2] ; AX = 2000h mov ax,[arrayW+4] ; AX = 3000h mov eax,[arrayD+4] ; EAX = 00000002h ; Will the following statements assemble? mov ax,[arrayW-2] ; ?? mov eax,[arrayD+16] ; ?? What will happen when they run? Your Turn. . . Write a program that rearranges the values of three doubleword values in the … density times height
计算机组成:浅析MOV指令以及操作数的寻址方式 - Nowcoder
Nettetxor ax,ax stc mov cx,count mov si,offset array label1: adc ax,word ptr [si] add si,2 loop label1 label2: ———————- ———————- What will be the value in AX when control reaches label2? Show the calculation for all iteration for the value in AX. Write the final answer in hexadecimal. When the control reaches label2, AX ... NettetMOV AX, BX ; moves contents of register BX to register AX. ... COL offset for COL 1 mov cl, ROWSIZE ; count = num scores mov ax, 0 ; initialize total L_top: add al, scores[bx][si] ; add current score inc si ; next COL offset loop L_top ; repeat until count = 0 div numcols ; AL = quotient ... Nettet3. okt. 2024 · Since we have, mov rax, 100 as valid, we know it's Intel syntax. Proceeding on and assuming a is a label rather than a macro or equ resulting in a constant: mov … density times acceleration