NettetINT 21h in the 512's implementation of DOS Plus 2.1 provides77 official functions, two of which are non-functional and returnwith no action. Within this range some calls have … Nettet23. mar. 2024 · int 21h,9 is DOS "stdout"-like, having its own cursor, so it will print next string after previous. If you want just to draw on screen in text mode without bothering with BIOS and DOS interrupts and the complex logic behind them, you can write directly to B800:0000 video ram. – Ped7g Mar 13, 2024 at 2:18 Add a comment 1 Answer Sorted …
INT 21H 中的 01H, 07H, 08H 在功能上有什么区别? - CSDN
Nettet17. mar. 2024 · Video Screen Operations • Screen Display with INT 21h – functions 02h to display a character – function 09h to display a string • Setting the cursor position on the … Nettet13. apr. 2024 · data segment string0 db 'please input a number: $' string1 db 'inlegal character! $' string2 db 'result of n! = $' data ends code segment assume cs:code,ds:data start: mov ax,data mov ds,ax lea dx,string0 mov ah,09h int 21h mov ah,01h int 21h call crlf cmp al,38h ja inlegal cmp al,30h jb inlegal je part01 cmp al,31h je part01 sub al,30h … ceiling panels home depot canada
微机原理int_21h和int_16h调用 - 综合文库网
Nettet17. mar. 2024 · 1. INT 21H FOR SCREEN DISPLAY && INT 10H OPERATIONS. 2. Video Screen Operations • Screen Display with INT 21h – functions 02h to display a character – function 09h to display a string • Setting the cursor position on the screen – INT 10h ;with function 02h • Clearing the screening and Scrolling – INT 10h ;with function 06h. 3. Nettet11. sep. 2024 · 方式 波形图code segment assume cs:code start:mov al,90h mov dx,283h out dx,al mov al,05h mov dx,282h out dx,al call delay mov al,00h mov dx,283h out dx,al word 文档 movdx,282h al,dxmov ch,al mov cl,4 al,0f0hrol al,cl mov dl,al add dl,30h mov ah,02h int 21h ch,0fhmov dl,ch add dl,30h mov ah,02h int 21h mov ah,4ch int 21h … Nettet北京理工大学汇编上机试题和代码. 9.现有一组字符串为ram,yes,red,the,get,for,and,key,not,may,请编写程序将他们按ASCII大小排序,并在显示器上显示。. 3.请任意输入一个字符串,将其中的空格全部删除,并将结果显示在屏幕上。. 6.请任意输入一个字符串,将其中大写 ... buy a car with insurance