Nettet1. aug. 2009 · int 21h jc quit ; 如果错误退出 mov bytesRead,ax ; 显示缓冲区 mov ah,40h ; 写文件或设备 mov bx,1 ; 控制台输出处理 mov cx,bytesRead ; 字节数 mov dx,OFFSET buffer ; 缓冲区指针 int 21h jc quit ;如果错误退出 ; 关闭该文件 mov ah,3Eh ; 功能:关闭文件 mov bx,inHandle ; 输入文件句柄 int 21h ; 请切换到MS - DOS jc quit ;如果错误退出 … Nettet15. mar. 2014 · As I recall, int 21h/0Ah includes the CR that ends input in the "count" returned - so [actulen] would be 1, not 0. (a rather minor problem) If you want to do your linking in Linux (but for a DOS program), Anthony Williams' Alink can be built for Linux. It requires some changes to the source code.
What does "int 21h" mean in Assembly? - Stack Overflow
Nettet25. jun. 2011 · int 21h是指令自动转入中断子程序的入口 上面这句话很难理解吧,相信很多新手都看不懂在说什么。 下面我来举个例子: 以8086 CPU的汇编为例,输出一个字符 … http://bbc.nvg.org/doc/Master%20512%20Technical%20Guide/m512techb_int21.htm movies to watch on hulu for teens
SCAU 汇编实验二 利用INT21H的2号、1号、A号功能完成输入和倒 …
NettetWhat is INT 21H and how does it work. Need to do four different functions in assembly 8086 using turbo pascal7. I'd like to know how INT 21H works and how to get system … NettetASCIIloop: int 21h ; print character function inc dl ; increment dl cmp dl,7fh ; compare dl with 7fh jne ASCIIloop ; if not equal jump to ASCIIloop mov ah,4ch int 21h ... ds:0118 45 34 31 31 0D 0A 24 20 E411 $ ¦ ss:FFFC 0000 ds:0120 20 20 20 20 20 20 20 20 ¦ ss:FFFA 0000 ds:0128 20 20 20 20 20 20 20 20 ¦ ss:FFF8 0000 . Machine ... Nettet28. sep. 2024 · 1. What is the use of mov ah,10 in int 21h. Mostly we use like mov ah,0a for string input but why mov ah,10? nter db 'enter you name:$' nam db 50,0,50 dup ('$') ;num is 50, num + 1 is 0, num + 2 is 50 lfcr db 10,13,'$' ;line feed carrier return/next line carriage return .code main proc mov ax,@data ;define mov ds,ax mov ah,9 lea dx,nter … heat infographics