Mov dx offset int10 mov ax 2572h int 21h
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