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Mov dx offset int10 mov ax 2572h int 21h

Nettet.CODE MOV AX, @DATA MOV DX, AX MOV AX, OFFSET VAR1 XCHG VAR1, DI ADD BH, 15 LEA BX, VAR1+2 MOV DX, OFFSET MSG MOV AH, 9 INT 21H MOV AX, 4C00H INT 21H. Indirect Operands An indirect operand is a register that contains the (offset) memory address ... Nettet17. jan. 2024 · 上述并行输出接口的地址为2A8H,并行输入接口的地址为2A0H,通过上述并行接口电路输出数据需要3条指令:MOVAL,数据ﻩMOVDX,2A8HOUTDX,AL通过上述并行接口输入数据需要2条指令:MOVDX,2ADHINAL,DX3、接线244输入/CSI/O译码/Y4 (2A0H---2A7H)244输入/JP12 (O7---O0)总线/JP14 (D7---D0)244输入/JP11 (IN7---IN0) …

assembly - CONCEPT OF MOV AX,CS and MOV …

Nettet22. jan. 2024 · CODE SEGMENT ASSUME CS:CODE, DS:DA TA START: MOV AX, CS MOV DS, AX MOV DX,OFFSET INT10 MOV AX,2572H ;设置 IRQ10 对应的中断向量 INT 21H IN AL,21H ;读取中断屏蔽寄存器 AND AL,0F3H ;开放 IRQ3 中断和从片 OUT 21H,AL IN AL,0A1H ;从片的中断屏蔽寄存器 AND AL,0FBH ;开放 IRQ10 中断 OUT 0A1H,AL … sneaker lace font free https://jd-equipment.com

Microcomputer-Principle-Experiment-Program/chap6_2.asm at

Nettet12. nov. 2024 · DATA SEGMENT MESS DB 'IRQ10!',0DH,0AH,'$' ;定义名为MESS的字符串,内容为IRQ10 DATA ENDS CODE SEGMENT ASSUME CS:CODE,DS:DATA ;建 … Nettet入口参数: DX=缓冲区首偏移地址;DS=缓冲区段地址 调用方法 MOV AX,缓冲区的首址的段地址 MOV DS,AX MOV DX,缓冲区的首址的偏移地址 MOV AH,0AH INT 21H 执行完上面调用,将从键盘接受字符串送到内存的输入缓冲区(由DS:DX指定缓冲区),要求预先定义一个缓冲区, 缓冲区的第一个字节指定容纳的最大字符个数,由用户给出;第二个字 … Nettetagain: mov si,offset str1 mov dx,21h in al,dx mov maskl,al and al,0fbh 0ut dx,al mov dx,0a1h in al,dx mov mask2,al and al,0fdh out dx,al mov cx,10 sti again: hlt loop again jmp exit intp proc near mov ah,2 int 21h exit: mov ah,4ch int 21h [第4章] 4.1题 (1)ax=aa88h (2)al=33h (3)al=40h ah=00h 4.2题 data segment road to cloud

Microcomputer-Principle-Experiment-Program/chap6_2.asm at

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Mov dx offset int10 mov ax 2572h int 21h

微型计算机原理与接口实验(共13页).doc - 新文库网

Nettet9. apr. 2024 · DATAREA ENDS ;***** PROGRAM SEGMENT ;----- MAIN PROC FAR ;MAIN PART OF PROGRAM ASSUME CS:PROGRAM,DS:DATAREA,SS:ST_SEG ;SAVE IT ON STACK,SAVE OLD DATA SEGMENT START: MOV AX,DATAREA ;SET DS REGISTER TO CURRENT DATA SEGMENT,DATEREA SEGMENT ADDR MOV … Nettet23. jun. 2024 · cursor: MOV AH, 42H MOV AL, 00H MOV BX, filehandle MOV CX,1 MOV DX,1 INT 21H RET ;Lectura del archivo read: MOV AH, 3FH MOV BX, filehandle MOV DX, offset buffer INT 21H ; AX tendra los bytes transferidos RET ;Cerramos del archivo close: MOV AH, 3EH MOV BX, filehandle INT 21H RET ; Mostramos show: MOV AH,09H …

Mov dx offset int10 mov ax 2572h int 21h

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Nettet22. mai 2012 · jne start mov ah,4ch ;返回dos 状态 int 21h date proc near ;显示日期子程序 display:mov ah,2ah ;取日期 int 21h mov si,0 mov ax,cx mov bx,100 div bl mov bl,ah call bcdasc1 ;日期数值转换成相应的ascii 码字符 mov al,bl call bcdasc1 inc si mov al,dh call bcdasc1 inc si mov al,dl call bcdasc1 mov bp,offset dbuffer1 mov dx,0c0dh mov … NettetSTART: MOV AX, DATA: MOV DS, AX;-----以上为初始化: MOV DX, OFFSET INT10;INT10 is the address of the interrupt handler: MOV AX, 2572H;2572H is the interrupt number: INT 21H;call the interrupt: MOV AL, 21H;21H is the interrupt number: AND AL, 0FBH;0FBH is the mask 取消屏蔽D2的中断,1111 1011

Nettet19. apr. 2024 · MOV buffer[BX+2], ‘$’ MOV DX, offset buffer + 2 MOV AH, 9 INT 21h RET: input of a string toDS:DX: First byte is buffer Size, second byte is number of Chars actually read. this function does not add ‘$’ in the end of string. to print using INT 21h / AH=9 you must set dollar Character at the end of it and start printing from address DS:DX + 2 mov ax, @Data mov ds, ax In tiny model, you use the same segment for the data and the code. To make sure it's referring to the correct segment, you want to get the 16 bits from CS and copy it to DS. As a number of others have mentioned, there's no instruction to move CS directly to DS. The question mentions one possibility; another common one is:

Nettet25. apr. 2009 · mov dx,offset string 这条指令的功能是:把变量string的偏移地址送给dx寄存器。 OFFSET是偏移量属性操作符,它返回该标识符离它所在段的段地址有多少字 … Nettet31. mar. 2024 · mov ds, ax. mov dx,offset int10. mov ax,2572h ;设置irq10对应的中断向量. int 21h. in al,21h ;读取中断屏蔽寄存器. and al,0f3h ;开放irq3中断和从片. out 21h,al. in …

Nettet微机原理与接口技术-实验报告. 1.掌握PC机中断处理系统的基本原理。. 2. 掌握可编程中断控制器8259的应用编程方法。. 1.PC机内中断实验。. 使用单次脉冲模拟中断产生。. 验证中断处理程序,在显示器屏幕上显示一行预设定的字符串。. 2.PC机内中断嵌套实验 ...

Nettet26. mai 2009 · 入口参数:AH=0AH. DS:DX=存放输入字符的起始地址. 接受输入字符串缓冲区的定义说明:. 1、第一个字节为缓冲区的最大容量,可认为是入口参数;. 2、第 … sneaker legit check appNettet14. 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 … road to clayhttp://www2.hawaii.edu/~pager/312/notes/06OperandsAndAddressing/ sneakerlife trNettet3. mar. 2024 · ah=9h , dx=offset (string + '$') ,int 21h . writes the string at the cursor position. ah=6h , ch =starting row, cl =starting column, dh =ending row, dl =ending column, al =number of lines, bh =attribute, int 10h clears the defined area and writes the attribute on it. ah=2h , dh=row,dl=column,bh=page number , int 10h road to columbus banjo tabNettet13. apr. 2024 · 一、实验目的:1.了解led点阵的基本结构。2.学习led点阵扫描显示程序的设计方法。二、实验内容与要求:编写程序,控制点阵向上卷动显示“原来如此就那样啦 … sneaker legit checkNettet21. des. 2016 · mov cx,1 mov writeInfo,'1' call writeBytes; when i use this the first byte of my file doesnt change to 1..... Everything looks fine : the string '1' is in the variable writeInfo , and cx is 1 , so one character should be written to the file, but this is writeBytes : road to columbus chordsNettet11. jun. 2024 · include io.inc .model small .stack .data intmsg byte 'TPCA Interrupt No.3!',13,10,0 counter byte 0 ;中断次数 .code start: mov ax,@data mov ds,ax ;获取原中断向量表项 mov ax,3572h int 21h push es push bx cli ;关中断 ;设置新中断向量表项 push ds mov ax,seg new72h mov ds,ax mov dx,offset new72h mov ax,2572h int 21h pop ds ... road to college scholarships