how to take input from user in assembly language

e.g. Basically, I am wondering how I can take each number the user inputs and store it in my Y variable where I can use it just if it was "Y dw 123". i am using MASM 611 assembly language software. Find centralized, trusted content and collaborate around the technologies you use most. The one using character input is useful when you want restrictions on the input (for example allowing only digits or maximize string length). Does a summoned creature play immediately after being summoned by a ready action? We were asked to prompt user for input string and were supposed to display it again or echo it to the command line. How to extract digits from a number in C? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Developers often have a need to interact with users, either to get data or to provide some sort of result. Increment value of CH by 1 and move the content of [SI] into AH register. Actually prompt argument facilitates other functions to constructing of files documenting. Enter your input. It provides good examples that deal with console input and console output and more. This page titled 2.5: Program to Prompt and Read a String from a User is shared under a CC BY 4.0 license and was authored, remixed, and/or curated by Charles W. Kann III. Enter your input. 6 It would be more exact to call this a pass-by-reference-value, as it is not a true pass-by-reference as is implemented in a language like C or C#. %PDF-1.3 To learn more, see our tips on writing great answers. 48 is the ASCII code for 0. If you couldn't quite. How to input 2 digit number in Assembly emu8086? It consists of three continuous steps Fetching the instruction from memory Decoding or identifying the instruction Executing the instruction Follow Up: struct sockaddr storage initialization by network format-string, How do you get out of a corner when plotting yourself into a corner. rev2023.3.3.43278. Find centralized, trusted content and collaborate around the technologies you use most. What is the input and output of assembler? For SYS_READ you need to use STDIN instead of STDOUT. If you are running on a "regular" PC in real mode you can use int 0x10 for screen output, int 0x16 for keyboard input and int 0x13 (functions AH=2, 3, 8, 0x41, 0x42, 0x43) for disk access. Also I was wondering how I would take out the leading 0's. This we will equate to the concept of pass-by-reference6 in a language like Java. A-143, 9th Floor, Sovereign Corporate Tower, We use cookies to ensure you have the best browsing experience on our website. Asking for help, clarification, or responding to other answers. If your OS runs in 8086 Real Mode, you can ask the BIOS for these, otherwise you need to do direct port I/O. If my question is still unclear please tell me so I may attempt to ask my question clearly so what others may understand. Find centralized, trusted content and collaborate around the technologies you use most. If it's your OS, you can use anything you write. Because the reference is passed, the actual value of the string can be changed in memory in the function. Why is this sentence from The Great Gatsby grammatical? We need to assume that its only up to 20 characters (in the string) This is the sample output: Enter a string (max 20 char.) So one needs to convert that inputted value to the format that he needs. A Java program to illustrate this is at the end of this chapter. The language to command a computer architecture is comprised of instructions and the vocabulary of that language is called the instruction set. Simple input and output in assembly x86_64, How Intuit democratizes AI development across teams through reusability. This is equivalent to entering LIST variable on the command line. Otherwise total path of the file need to defined inside the scan() method. Also I was wondering how I would take out the leading 0s. Input to the assembler is a text file consisting of a sequence of statements. Invoke the assembler with the command-line options you want to use. There are also three elements involved in performing character input: 1.As for character output, we specify which of MS-DOS's I/O subprograms we wish to use, i.e. Is it plausible for constructed languages to be used to affect thought and control or mold people towards desired outcomes? Terminate your input by entering: Ctrl+Z then Return on Microsoft Windows systems. Without the xchg, you need a third register, and dx is affected by the multiply, so you could use: mov si,ax mov ax,bx mul cx mov bx,ax add bx,si . Big endian is the reverse, and in a big endian system the string would appear in memory as it was typed. How to PRINT INPUT and output in Assembly? - August 15, 2020 .model small .data message1 db "Enter any string:$" message2 db "Given string is:$" str1 db 100 dup ('$') .code mov ax,@data mov ds,ax mov ah,09h mov dx,offset message1 int 21h mov si,offset str1 up: mov ah,1 int 21h The nature of simulating nature: A Q&A with IBM Quantum researcher Dr. Jamie We've added a "Necessary cookies only" option to the cookie consent popup. Is it possible to create a concave light? The Dmeans decimal constant, right? To read file using scan() method is same as normal console input, only thing is that, one needs to pass the file name and data type to the scan() method. How to take user input in assembly language? 2 0 obj j"L ep"!R (2L?y@%!c +QwO @{Ci{K-'a=&%oPVvM I suspect you haven't actually looked at the documentation on how to use it. The very common method to declare an array in emu 8086 is Array_Name Data_Type Values For Example: My_Array DB 10,20,30,40,50 My_Array DW 10,20,30,40,50 Here, My_Array is the name of the array and DB (Data Byte), DW (Data Word) are its. A keyboard driver would get the data via direct port I/O to the keyboard controller from the KBC interrupt handler, then (and buffer by itself). 1 How to take user input in assembly language? If you continue to use this site we will assume that you are happy with it. I am stuck on a problem I have for a homework assignment that is asking me to ask the user fora digit ranging from 1 digit to 5 digits (eg. The first is the, As was discussed earlier in this chapter, the. Where does this (supposedly) Gibson quote come from? Do I need a thermal expansion tank if I already have a pressure tank? Thanks for contributing an answer to Stack Overflow! The choice of big endian verses little endian is a decision made by the implementers of the hardware. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, How Intuit democratizes AI development across teams through reusability. Input Two Number and Add Them in Assembly Language | Add Two Numbers in Assembly Language 8086 - 20 Safdar Dogar 11.3K subscribers Subscribe 69 9.5K views 2 years ago In This Video We. It's cable reimagined No. Note that in the case of the string in $a0, the value for the string is contained in memory, and only the reference is passed to the function. In this example, the string "Chuck\n" was broken into two strings "Chuc" and "k\n". If you preorder a special airline meal (e.g. How to handle a hobby that makes income in US. What if the user didn't input that much characters? What sort of strategies would a medieval military use against a fantasy giant? Lets see a program that will take a simple user input and will print the output. INPUT: Takes the users input and stores it in the AC. Syntax:string:var1 = readline(prompt = Enter your name : );character:var1 = readline(prompt = Enter any character : );var1 = as.character(var1). Why does C++ code for testing the Collatz conjecture run faster than hand-written assembly? Github Project Lesson 1 The obligatory 'Hello, world!' Introduction to the Linux System Call Table. My code is GPL licensed, can I issue a license to have my code be distributed in a specific MIT licensed project? Which suggestions do you find to improve this code? What is a word for the arcane equivalent of a monastery? In This Video We Learn How to Input Two Number and Add Them in Assembly Language Step by Step with Easy Example Assembly Language Programming Tutorial Full Play Listhttps://www.youtube.com/watch?v=7xiPJVPzcGM\u0026list=PLduM7bkxBdOczQDpzp3R9ieJRpjtZrcxj---------------------------------------------------------------------------- Object Oriented Programming C++https://www.youtube.com/watch?v=HcgLqP-5vMo\u0026list=PLduM7bkxBdOekXfkEqIBAivzG99V2LrASC++ Programminghttps://www.youtube.com/watch?v=fwssJKaJjeM\u0026list=PLduM7bkxBdOeSDRyDC0T3PvBJ9KwPqvbVData Structure and Algorithms using C++https://www.youtube.com/watch?v=opnKF5mEDTQ\u0026list=PLduM7bkxBdOfrkeXwUQBYl3dKwclDjXcdCompiler Constructionhttps://www.youtube.com/watch?v=lO3Z8aXaDgk\u0026list=PLduM7bkxBdOdTE36EZE977HU11DUJCxHiDistributed Database Systemshttps://www.youtube.com/watch?v=RKmK_vKZsq8\u0026list=PLduM7bkxBdOdjbMXkTRdsSlWQKR43nSmdTheory of Automata and Formal Languageshttps://www.youtube.com/watch?v=pZ2U3Pl4DNA\u0026list=PLduM7bkxBdOckkPOjexEV8KKCjqYh1T_3Database Management Systemhttps://www.youtube.com/watch?v=JJVIXx17Asc\u0026list=PLduM7bkxBdOfe0uExLrwscrIW1rT6nDy-C Language https://www.youtube.com/watch?v=pCVfSMuHRWY\u0026list=PLduM7bkxBdOdzWSEZ7kUeMWg5h2x2kRviPython Tutorial for Beginnershttps://www.youtube.com/watch?v=tC-TaKkWr08\u0026list=PLduM7bkxBdOfcEyG-E-SesjcbnO1GSzkeSQL with Microsoft Accesshttps://www.youtube.com/watch?v=g443tbg19Mk\u0026list=PLduM7bkxBdOczEgWcy50PbHhoFKgaXbDSHTML Tutorial for Beginnershttps://www.youtube.com/watch?v=--bAOMJBayQ\u0026list=PLduM7bkxBdOdILF4qDCaz_PTUv_0NoA-GPHP Beginner Tutorialhttps://www.youtube.com/watch?v=aiEz1orkva0\u0026list=PLduM7bkxBdOf3jc82im70nedEalse2omHNumber Systemhttps://www.youtube.com/watch?v=1pt_FHnEp3I\u0026list=PLduM7bkxBdOd85vOyZAK71FTXX_qYrVsd----------------------------------------------------------------------------------------------------------------------How to Input Two Number and Add Them in Assembly LanguageHow to input two numbers in assembly languageAssembly language program to add two numbersAssembly program to add two numbersHow to input a number in assembly languageAssembly program to input a numberHow to take input from user in assembly languageProgram to take input from user in assembly languageAssembly program to take input from keywordAdd Two Numbers in Assembly Language 8086How to add two numbers in 8086 microprocessorHow to add two numbers in 8086Addition of two numbers in 8086 assembly languageAdd two numbers in assembly language program 8086Assembly language 8086 adding two numbersassembly language programmingassembly languageassembly language tutorialcomputer organization and assembly languageAssembly language tutorialAssembly language tutorial in urdu Assembly language tutorial hindi Assembly programming tutorial Assembly programming tutorial in urdu Assembly programming tutorial in hindi Learn Assembly language Learn Assembly language in urdu Learn Assembly language in hindi Learn Assembly language programing Learn Assembly language programing in urdu Learn Assembly language programing in hindi Assembly language vu Assembly language vu student Assembly language programming tutorial Assembly language programming tutorial in urdu Assembly language programming tutorial in hindi Best tutorials for assembly language Best tutorial for assembly language programming Assembly language introduction Assembly language intro Assembly programming Assembly programming in urdu Assembly programming in hindi assembly language computer architecture assembly language computer architecture in urdu assembly language computer architecture in hindiassembly language programming tutorial 8086 assembly language programming tutorial 8086 in urdu assembly language programming tutorial 8086 in hindi assembly language computer architecture assembly language computer architecture in urdu assembly language computer architecture in hindi assembly language programming tutorials assembly language programming tutorials in urdu assembly language programming tutorials in hindi Why we study assembly language?#InputTwoNumber#InputTwoNumberAddThemAssemblyLanguage#AddTwoNumbersAssemblyLanguage8086 Not the answer you're looking for? This method reads data in the form of a vector or list. This page titled 2.4: Program to Prompt and Read an Integer from a User is shared under a CC BY 4.0 license and was authored, remixed, and/or curated by Charles W. Kann III. In the case of string size, the actual value is contained in $a1. T@+-t0[PR])"v{b+"M(MT8dW{z&]:*,/AaCZ]Pm>=/Cmna'V(b[L This is a common format in computer hardware referred to as little endian. Does Counterspell prevent from any further spells being cast on a given turn? Three small improvements section .bss uinput resb 24 ; 24 bytes for user string uinput_len equ $ - uinput ; get length of user input Possibilities include checking the keyboard controller or a serial port, depending on what input you want. In this program, blocks of code are commented, not each individual statement. This is an annoyance which we will be stuck with until strings are covered at the end of this text. How to follow the signal when reading the schematic? If one inputs an integer then it is inputted as a string, lets say, one wants to input 255, then it will input as "255", like a string. 3.3.2 Character Input The task here is to read a single character from the keyboard. HALT: Ends the execution of the program. Would int 0x16 wait until a key is pressed? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Minimising the environmental effects of my dyson brain, Short story taking place on a toroidal planet or moon involving flying. w\_>In&7Pg/:kqgtX>z4U}YGj0R|W\5kAG0?Lb7DoBE|8']$)J}<1mGgnE;t$5>, By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. Any help or advice would be greatly appreciated Syntax:x = scan()scan() method is taking input continuously, to terminate the input process, need to press Enter key 2 times on the console. I am limited to only using stuff already learned in class, but thanks for this amazing answer, it has pushed me towards finding the way to solve my problem. how to get an integer input from user in assembly language - YouTube 0:00 / 6:58 how to get an integer input from user in assembly language Helia Mzfri 1.74K subscribers Subscribe. The first is a reference to the memory to use to store the string (stored in $a0 ), and the second is the maximum size of the string to read (stored in $a1 ). There's no point in doing mov ah,01h, mov al,00h, versus mov ax,0100h. Time arrow with "current position" evolving with overlay number. Making statements based on opinion; back them up with references or personal experience. As for character input, we specify which of MS-DOSs I/O subprograms we wish to use, i.e. Basically it would be great if someone could show me some example code or the simplest steps to go through to help solve the problem. Thanks! Does a summoned creature play immediately after being summoned by a ready action? Now copy the content of D register to A and add the contents of A and C and store it in A then copy it to M. The parameters passed to the method are the string reference in $a0, and the maximum size of the string in $a1. You as a programmer just have to realize what type of format is used, and adjust how you interpret the characters appropriately. Movie with vikings/warriors fighting an alien that looks like a wolf with tentacles, How to handle a hobby that makes income in US, Finite abelian groups with fewer automorphisms than a subgroup. Finally see that while the string which is returned has 6 character, "Chuck\n", the other 80 characters in memory have all be set to zero. You've been a great amount of help. The string "Chuck", which is 5 character, would require 6 bytes to store, or to store this string the following .space directive would be used. rev2023.3.3.43278. the BIOS INT 16h has functions both to check if a key was pressed, and to wait until one was pressed. How do I align things in the following tabular environment? Code Review Stack Exchange is a question and answer site for peer programmer code reviews. Returns an object that describes how a rotation occurs with one point of user input. We already know the answer. We use cookies to ensure that we give you the best experience on our website. Instead of mov rdi, 0, I've used xor edi, edi which is shorter and faster and leaves the same result (0) in the RDI register. DD = define double word size (32 bits) variables. We call MS-DOS to carry out the I/O operation using the int instruction as for character input. We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. Correct is: "You wrote: " without the d. For SYS_READ you need to use STDIN instead of STDOUT. It's strange to see a calculation for the uinput_len variable given that the length is a hardcoded 24. Is there any way to do the exact same thing, but without using the "xchg" and "and" instructions? Use the minus character ( - ) as the source filename to instruct the assembler to take input from stdin . So that should work for one-digit results. The Input Assembly assembles one or more attributes from each of the Input Objects, and the Output Assembly distributes outputs to one or more attributes in the Output Objects. Is it plausible for constructed languages to be used to affect thought and control or mold people towards desired outcomes? This is a better way to comment a program. It also has a 15- or 16-byte input buffer. The following commentary covers new information which is of interest in reading Program 2-2. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. @AlternateRealm - I removed one of the xchg's as it wasn't needed. Why is this the case? Syntax:x = scan(fileDouble.txt, what = double()) -for doublex = scan(fileString.txt, what = ) -for stringx = scan(fileChar.txt, what = character()) -for character. Why are physically impossible and logically impossible concepts considered separate in terms of probability? To convert the inputted value to the desired data type, there are some functions in R, Syntax:var = readline();var = as.integer(var);Note that one can use <- instead of =. Write a program that computes the following: Y = (Get user input) Y= Y-1 Sum = 36 + Y + (Y/4) + (Y/100) W = Sum % 7 + 1 Output W, Sum Note: You may not use any library functions If my question is still unclear please tell me so I may attempt to ask my question clearly so what others may understand. And because readability is very very important, I've applied the same rule to the labels, mnemonics, and operands. Legal. Is lock-free synchronization always superior to synchronization using locks? The best answers are voted up and rise to the top, Not the answer you're looking for? So one needs to convert that inputted value to the format that he needs. But, as I said, it only works in 8086 Real Mode. What is the purpose of this D-shaped ring at the base of the tongue on my hiking boots? they can input 1, 12, 123, 1234) I know how to ask the user for whatever number they want, using a loop and then using the mov ah, 1h function, but I want to take the user's input, let's say 123, and then store that number in a variable that I've created, Y. Load input number address in SI and also load the address where we want output in DI . A place where magic is studied and practiced? The space allocated for the string is still 80, but the string size is 6. Note from this figure that the service 8 call always appends a "\n" to the string. A limit involving the quotient of two sums. Some notes about the code: - You are too paranoid and using too many PUSHs and POPs. x[KoHcx:~w3@fk`/cscQIed"+A0 |w}UJ!T1"i~m\Rh;7;[v?~>]6]yQF}b^/WVK ZHv3-O Gk^/-~_>BH\/$Bf+[yLr8]iO~SNlUESm]a2$nC Cd#Y ) Y"EA4)sJFGG!uS39=DRXtBnx)Z|+_E4eYA6VkH0hD)cZB>*v`.EIs4q:ZoW \h!24r fMBi&K;+gU swTI.7ig^[e^v@fp0\0~TkZ{!N`!-|8Ae})cIolP#baFJ"Z.0Rk0njStQC^Kz&0my>$d)@]\^sqVC{(=c?MX+wRl-! Using readline () method In R language readline () method takes input in string format. To learn more, see our tips on writing great answers. Which register is taken user input in emu8086? Instead of and ax,0fh, you could use sub al,030h mov ah,000h . public static System.Windows.Input.ManipulationPivot GetManipulationPivot (System.Windows.UIElement element); The LibreTexts libraries arePowered by NICE CXone Expertand are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. To learn more, see our tips on writing great answers. % Asking for help, clarification, or responding to other answers. View lesson Lesson 2 You have to pass two arguments: $a0 = address of input buffer $a1 = maximum number of characters to read So you should do something like: la $a0, name li $a1, 20 Nevertheless, this shouldn't cause a crash since $a0 should still hold the address of firstPromptString that you set up for the printing, earlier, and that is valid writable memory. As a consequence I've also inversed the order of the other parameters, again for clarity. For example: Terminate your input by entering: Ctrl+Z then Return on Microsoft Windows systems. I find this clearer. For the code that I have now if I enter 123 as the user input it gives me that the Sum is : 0098, and W is 1, which shouldnt be the case, the Sum should actually be 0189, and the W is 6. To learn more, see our tips on writing great answers. Connect and share knowledge within a single location that is structured and easy to search. @IsaacD. acknowledge that you have read and understood our, Data Structure & Algorithm Classes (Live), Data Structure & Algorithm-Self Paced(C++/JAVA), Android App Development with Kotlin(Live), Full Stack Development with React & Node JS(Live), GATE CS Original Papers and Official Keys, ISRO CS Original Papers and Official Keys, ISRO CS Syllabus for Scientist/Engineer Exam, Interesting Facts about R Programming Language. Checking that the string represents a valid integer and actually converting it to that integer are additional steps that you need to perform. The memory for the input string has been changed to store the value "Chuck", as shown in the circled text in the figure below (be sure to select the ASCII checkbox, or the values will show up in hex). Is it correct to use "the" before "materials used in making buildings are"? To understand this, the preceding figure shows the program execution string immediately before the program is run. Figure 2-6: Memory before entering a string. Use the minus character ( - ) as the source filename to instruct the assembler to take input from stdin . If one inputs an integer then it is inputted as a string, lets say, one wants to input 255, then it will input as 255, like a string. This is the string "Chuck", plus a new line character which is always returned by service 8, the null terminator and an extra byte of memory which was not used. rev2023.3.3.43278. This translation process is called assembly. The nature of simulating nature: A Q&A with IBM Quantum researcher Dr. Jamie We've added a "Necessary cookies only" option to the cookie consent popup. When using syscall service 8, the syscall actually changes the memory in the data region of the program. Use the minus character ( ) as the source filename to instruct the assembler to take input from stdin . What can a lawyer do if the client wants him to be acquitted of everything despite serious evidence? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Replacing broken pins/legs on a DIP IC package, Acidity of alcohols and basicity of amines. The following commentary covers new information which is of interest in reading Program 2-3. But this parameter passing mechanism is commonly called pass-by-reference in Java, and the difference between the two is beyond what can be explained in assembly at this point. Redoing the align environment with a specific formatting, Recovering from a blunder I made while emailing a professor. Has 90% of ice around Antarctica disappeared in less than a decade? << /Length 1 0 R /Filter /FlateDecode >> Do I need a thermal expansion tank if I already have a pressure tank? Is a PhD visitor considered as a visiting scholar? Possibilities include checking the keyboard controller or a serial port, depending on what input you want. Use MathJax to format equations. In this program, blocks of code are commented, not each individual statement. Is it suspicious or odd to stand by the gate of a GA airport watching the planes? DB = define byte size variables. Also, how would I go about removing the leading zeros such as if the Sum is 43, but it prints out 0043, I tried to look through my book to find hints, but no luck. So for example the string containing "Chuck" would be 0x436875636b00 in ASCII. So, I cannot use this: since int 0x21 calles ms-dos. Another way to take user input in R language is using a method, called scan() method. If youre in Real Mode, then you can call the BIOS to wait for a keypress and read it from the keyboard buffer: The ASCII code is in AL and the scancode in AH. The string you entered is: Copyright 2022 it-qa.com | All rights reserved. Taking Input from User and Print || Assembly. +%hC<=do] sMiHh\uu8"4`;Rq j@@TCkH0IO|2}}3Z{o-[QA4c`\V=o`pr'&R.ZTqIJS?QP~V^AOkIuj\F_gH5~do H\`aO5hA[7VH+bJ@ One can also show message in the console window to tell the user, what to input in the program. Minimising the environmental effects of my dyson brain, ERROR: CREATE MATERIALIZED VIEW WITH DATA cannot be executed from a function. Code: What Are the Tidyverse Packages in R Language? Each block should be commented as to what it does, and if it is not obvious, how the code works. Did any DOS compatibility layers exist for any UNIX-like systems before DOS started to become outmoded? please tell me how i can add numbers which result is greater than 10. Is it suspicious or odd to stand by the gate of a GA airport watching the planes? That won't input an integer - it inputs a string of characters. Syntax:var1 = readline(prompt = Enter any number : );or,var1 = readline(Enter any number : ); Taking multiple inputs in R language is same as taking single input, just need to define multiple readline() for inputs. The programs to read a number from a user and read a string from a user look very similar, but are conceptually very different. Im certain you cant turn an integer from 0-99 in BX into two ASCII digits in BL and BH with one subtraction. Microsoft makes no warranties, express or implied, with respect to the information provided here. This project was put together to teach myself NASM x86 assembly language on linux. You are not using the read string system call correctly. Depends on what your OS provides. You obtain this count in the RAX register upon returning from SYS_READ. Each block should be commented as to what it does, and if it is not obvious, how the code works. A new operator was introduced in this program, the, Two new syscall services have been introduced. What determines the string size (the actual number of characters used) is the position of the first zero, or null. Recovering from a blunder I made while emailing a professor, The difference between the phonemes /p/ and /b/ in Japanese. Heaven's Light 752 subscribers Subscribe 27K views 2 years ago Hello friends.From this tutorial you can learn. Here are the instructions for this assignment: Write a program that computes the following: Note: You may not use any library functions. Is it suspicious or odd to stand by the gate of a GA airport watching the planes? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. 17K views 2 years ago A look at creating a program that gets user input, uses the input as parameters to a function, and uses the function's return value for output. Am I doing this experiment correctly? The following program shows reading a string from the user console. Is it plausible for constructed languages to be used to affect thought and control or mold people towards desired outcomes? Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_u64 on Intel CPUs, mov ah,01h int16h, how to use it to change the direction of the snake, Snake Assembly 8086: not moving correctly, Can't bind to 'ngModel' since it isn't a known property of 'input'.