Mov ah 2 int 21h
NettetMOV AH,2 INT 21H EXIT:MOV AH,4CH EDATA ENDS CODE SEGMENT ASSUME CS:CODE,DS:DATA,ES:EDATA START: MOV AX,DATA MOV DS,AX MOV AX,EDATA MOV ES,AX MOV SI,OFFSET STR1 MOV DI,OFFSET STR2 ADD DI,100 MOV CX,100 CALL DISP ADD BL,10H CMP BL,60H JB NEXT SUB BL,60H NEXT: MOV AH,2 INT … Nettet16. nov. 2024 · 2 All the mov ah, 1 lines in your example have no effect as you're overwriting the register with other values afterwards, before doing an int 21h call. Also, …
Mov ah 2 int 21h
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Nettet24. apr. 2024 · int 21h means, call the interrupt handler 0x21 which is the DOS Function dispatcher. the "mov ah,01h" is setting AH with 0x01, which is the Keyboard Input with … Nettet9. apr. 2024 · mov ah, 2 int 21 H mov dx,offset string2 ;与对 string1 进行的操作相同 mov [ string2 ], 15 mov ah, 0 AH int 21 H mov bl, string2+1 ;同上 mov bh, 0 mov string2 [bx], '$' lea si,es: [ string1+1] ;设置si lea di,es: [ string2+1] ;设置di mov ax, 0 ;这一步不可省略 cld ;设置字符串比较方向 next: cmpsb ja above ;当 string1 相同位置的字符的ASCII码大 …
NettetMOV AH,2 INT 21H ;输出低位结果L11: MOV AH,4CH INT 21H CODE ENDS END START 6.对实验的分析和总结 CF是进位标志位,向左移位时,最高位进入CF。 SF是符号标志位记录运算结果的符号结果为负时置1,否则置0。 OF是溢出标志位,在运算过程中,如果操作数超出了机器能表示的范围则置1,否则置0。 MOV AH,1 INT 21H;输入一个数存入AL … Nettet25. nov. 2015 · You can use Ctrl + C or Ctrl + Break to exit buffered-input mode (this results in an INT 23h ). Another interruption perhaps? There are several DOS interrupt …
Nettet20. nov. 2008 · mov ah,2 int 21H ;显示十进制数数 当输出两位数以上的时候,就要注意压栈与出栈了: 除数是8位的时候要压AX,除数是16位时候要压DX 下面是一个显示1加到100的程序,显示位四位数字 供你参考,程序是我自己写的: DATA SEGMENT MSG DB '1+2+3+4+5+...+99+100=$' DATA ENDS STACK SEGMENT PARA STACK 'STACK' … Nettet19. apr. 2024 · INT 21h / AH=1 – read Character from standard input, with echo, result is stored in AL. INT 21h / AH=2 – write Character to standard output. INT 21h / AH=5 – output Character to printer. INT 21h / AH=6 – Direct console input or output. INT 21h / AH=7 – Character input without echo to AL.
NettetDOS INT 21h - DOS Function Codes. The follow abridged list of DOS interrupts has been extracted from a large list compiled by Ralf Brown. ... SeeAlso: INT 17/AH=00h. AH = …
Nettet17. jul. 2015 · More Information. MOOV files are more commonly seen with a .MOV extension. ".moov" was originally used as the default Macintosh extension, and ".mov" … bloomingdale northwestern iccNettet31. aug. 2024 · So, I'm just found code from this question. I'm trying to print the current time in hours, but output not expected. This is screenshoot for wroing output. Expected … free download jayanti movieNettet10. mar. 2024 · INT 21H ;调用DOS中断21H,从上读取字符。 MOV AH,2 ;设置AH=2,表明程序正在将读取的字符到屏幕上。 SUB DL,20H ;将DL减去20H,将小写字母转换为的大写字母。 INT 21H ;调用DOS中断21H,将转换后的字符显示到屏幕上。 bloomingdale nj eyewitness news 7 fireNettetAH = 1 INT 21H 功能 :从键盘输入一个字符,将其ASCII码送入AL。 2. 显示器输出一个字符:2号DOS功能调用。 格式 : DL = 字符 AH = 2 INT 21H 功能 :将DL中的字符输出,执行后AL被修改为DL的值。 例1:从键盘输入一个字符,接着显示出来。 MOV AH,1 INT 21H MOV DL,AL MOV AH,2 INT 21H 例2:将键盘输入的大写字母换成小写显示。 … bloomingdale movie theater army trailNettetmov ah,9 int 21h;输出字符串str6 add di,2 call datch mov ah,1 int 21h mov ah,4ch int 21h datch proc push dx push cx push bx push ax 用汇编语言编写统计各个分数段人数 … bloomingdale ny countyNettet6. jan. 2024 · int 21h功能使用说明 ①入口:ah = 01h 功能:键盘输入到al中并显示在显示屏上 ②入口:ah = 08h 功能:键盘输入到al中但不显示在显示屏上 ③入口:ah = 02h … free download jay bhim movieNettetmov. ah,02h. 是给ah赋值02h,是显示字符的作用,mov. dl,. 08h. 是表示显示的字符的ascii码是08h,int. 21h是是dos的中断调用,整个语句的意思很简单,就是在屏幕上显 … bloomingdale mother of the bride gowns