Int 21h 1ah
http://www2.ift.ulaval.ca/%7Emarchand/ift17583/dosints.pdf 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 …
Int 21h 1ah
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Nettet28. aug. 2008 · 中断指令为 INT 指令,格式为 INT 中断向量号,比较常用的中断向量号是 21H ,完整的中断指令为 INT 21H INT 21H 的作用是 功能 中断,即通知CPU要实现某种 功能 ,因此需要配合 功能 号使用, 功能 号保存在AH寄存器中。 例子1: MOV AH,4CH INT 21H 解读:AH存放4CH 功能 号,表示返回DOS, INT 21H 向CPU发送此 功能 中断,返 … Nettet25. sep. 2015 · Need to get and set datetime (RTC) using assembly. I read that to set the date and time need to use int 1ah (func 05h). I wrote a program to change the time and date. Seems to have done everything …
Nettet19. apr. 2024 · INT 21h; get Character from keyboard buffer (if any) or set ZF=1. console input or output. parameters for output: DH = 0..254 (ascii code) parameters for input: … NettetIt is important to use INT 21h function 1Ah to set the DTA to a buffer of adequate size before using this call. In MSDOS v2 only the '?' wildcard is permitted. If wildcards are …
Nettetint 21h delay proc ;this procedure uses 1A interrupt, more info can be found on ;http://www.computing.dcu.ie/~ray/teaching/CA296/notes/8086_bios_and_dos_interrupts.html mov ah, 00 int 1Ah mov bx, dx jmp_delay: int 1Ah sub dx, bx ;there are about 18 ticks in a second, 10 ticks are about enough cmp dl, delaytime jl jmp_delay ret delay endp
Nettetint 21h jmp exit found:mov dl,’y’ mov 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 1ah mov al,dh cmp,al,bl jnz ...
Nettetint 14 - ah = 1ah fossil - break begin or end .....33. page 4 of 117 dosints.doc int 14 - ah = 1bh fossil - return information about the driver ... engineer crimp toolNettet14. apr. 2024 · Điểm tin 21h: Miền Bắc dứt nồm ẩm từ ngày mai; Đề nghị kỷ luật 13 cán bộ công an, viện kiểm sát ở An Giang. Thủ tướng khiển trách Chủ tịch tỉnh Bắc Giang; Hà Nội thiếu vaccine Covid-19; Giá USD xuống thấp nhất một năm... engineer creek ct fairbanks ak lot for saleNettet11. jan. 2024 · 输入十个数 结束 2、班级成绩管理程序模块图五、上机调试 在程序的整个调试过程中我们遇到了很多困难,有时候忘记使用dos 提供的 int 21h 中断功能调用,引号打错或者忘记写了,在输入的过程中也会有错误, 这样的错误是很难找的,还有就是在语句后面加的注释,应该要用英语里面的分 号,我 ... dream catcher bangleNettet微机原理int_21h和int_16h调用 来源:用户分享 时间:2024/4/12 5:10:25 本文由 晴栀 分享 下载这篇文档 手机版 说明: 文章内容仅供预览,部分内容可能不全,需要完整文档或者需要复制内容,请下载word后使用。 engineer csm mosNettetes:bx=缓冲区的地址 出口参数:cf=0——操作成功,ah=00h,al=传输的扇区数,否则,ah=状态代码,参见功能号01h中的说明 (4)、功能03h 功能描述:写扇区 入口参数:ah=03h al=扇区数 ch=柱面 cl=扇区 dh=磁头 dl=驱动器,00h~7fh:软盘;80h~0ffh:硬盘 es:bx=缓冲区的地址 < dream catcher beach towel walmartNettet15. des. 2016 · 常用的DOS功能调用:1.键盘输入并显示(1号功能调用)格式:MOVAH,01HINT21H功能:按下任何键,将其对应字符的ASCII码送入AL并在屏幕上显示该字符。 如果按下的是Ctrl+Break组合键,则终止程序执行。 1号功能调用无须入口参数,出口参数在AL2.键盘输入但不显示输入字符(8号功能调用)格 … dreamcatcher because bpmNettet19. apr. 2024 · INT 21h; get Character from keyboard buffer (if any) or set ZF=1. console input or output. parameters for output: DH = 0..254 (ascii code) parameters for input: DH = 255for output returns: AL = DH. for input returns: ZF set if no Character available and AL = 00h , ZF Clear if Character available. dream catcher beauty bush kolkwitzia