Int 21h 0ch
Nettet13. feb. 2024 · Murugan Andezuthu Dharmaratnam 13 February 2024 12542. Int 21h is a dos interrupt. It is one of the most commonly used interrupt while writing code in 8086 assembly language. To use the dos interrupt 21h load ah with the desired sub-function. load other required parameters in other registers. and make a call to int 21h. Nettetmov ah,09h mov dx,offset message int 21h. ... 15 ; white u3: mov ah, 0ch ; put pixel int 10h. dec dx cmp dx, 20 ja u3; draw right line: mov cx, 100+w ; column mov dx, 20+h ; row mov al, 15 ; white u4: mov ah, 0ch ; put pixel int 10h. dec dx cmp dx, 20 ja u4; pause the screen for dos compatibility:;wait for keypress mov ah,00 int 16h
Int 21h 0ch
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NettetINT 10h, INT 10H or INT 16 is shorthand for BIOS interrupt call 10 hex, the 17th interrupt vector in an x86-based computer system. The BIOS typically sets up a real mode … Nettet15. feb. 2024 · _i DD 018H _s1 DW 0cH I get that what it's essentially doing is defining a variable, but I can't seem to find anywhere what those specifically mean/stand for. On that note, if anyone has a resource, such as a reference, where terminology like that can be found that would be very helpful as well, as I am unable to find anything good online.
Nettet21. okt. 2012 · Int 0x21 is an x86 software interrupt - basically that means there is an interrupt table at a fixed point in memory listing the addresses of software interrupt … Nettet19. apr. 2024 · INT 21h Service no. 0CH: Description: Example: Flush keyboard buffer and read standard input: entry: AL = number of input function to execute after flushing …
Nettetint 10h movax,0600h movbh,0ch xorcx,cx movdx,1850h int 10h point 7,18 leadx,message movah,09h int 21h movax,0600h movbh,0fch movcx,0b26h d11:movcx,0ffffh d12: loop d12 popdx popcx ret delay endp exit: int 20h ag:jmp ag codeends ... int 21h popcx a1: pushcx call rand popcx addbl,31h point 12,40 print bl Nettet21. des. 2016 · cx is zero ( xor cx,cx ), and this is why zero bytes are being written to the file. Just remove call xorAll. By the way, I found another error : proc closeFile call xorAll mov ah,10h ; THIS VALUE SHOULD BE 3EH. mov bx, fileHandler int 21h ret endp closeFile Share Improve this answer Follow answered Dec 21, 2016 at 19:48
Nettet21. des. 2016 · cx is zero ( xor cx,cx ), and this is why zero bytes are being written to the file. Just remove call xorAll. By the way, I found another error : proc closeFile call xorAll …
Nettet格式： MOV AH, 4CH INT 21H 功能：终止当前程序的运行，并把控制权交给调用的程序，即返回DOS系统，屏幕出现DOS提示符，如“C: \ >”，等待DOS命令。 8．直接输入、输出单字符（6号功能调用） 格式： MOV DL, 输入/输出标志 MOV AH, 06H INT 21H 功能：执行键盘输入操作或屏幕显示输出操作，但不检查Ctrl＋Break组合键是否按下。 执 … fixing a shower faucetNettet18. jan. 2024 · 我今年在学校开始学习集会，我们才开始学习像素.我们的老师给了我们一些代码，并告诉我们要弄乱它，他还告诉我们尝试实施代码中的延迟(ah = 86h int 15H)，但是当我尝试使用它时，一些像素的变化，我不明白为什么代码:(只是代码的一部分，延迟后还有更多的毁灭)mov cx, 20add [y], 2mov d fixing a singer sewing machineNettetAH = 0Ch - FLUSH BUFFER AND READ STANDARD INPUT. Entry: AL = STDIN input function to execute after flushing buffer; other registers as appropriate for the input … fixing a shrunken wool sweaterNettetINT 21h / AH=0Ch - flush keyboard buffer and read standard input. entry: AL = number of input function to execute after flushing buffer (can be 01h,06h,07h,08h, or 0Ah - for other values the buffer is flushed but no input is attempted); other registers as appropriate for the selected input function. INT 21h / AH= 0Eh - select default drive. can my abnorma thyroid transfer to my babyNettetint 21h ; Same as: .EXIT 0 ASCII Control Characters Many INT 21h functions act upon the following control characters: 08h - Backspace (moves one column to the left) 09h - … fixing a single handle shower faucethttp://bbc.nvg.org/doc/Master%20512%20Technical%20Guide/m512techb_int21.htm fixing a shower valveNettetWhat 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 … fixing asl