By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. How do I write an assembly language program to calculate the average of any n numbers? I wrote two programs. One uses the mov ah,01 int 21h input function and so it only accepts one number. For this reason I cannot input a number like I read from a buffer in the other one.

Recensioni di siti per sesso e incontri con donneIt can accept a lot of digits, but the problem is that it loops continuously. The first time you do it, you don't set dx to any sensible buffer. Your input will be scribbling on your prompt probably doesn't do much harm. Inside your loop, you do set dx to a correct buffer. It's been a long time since I did dos, but my recollection is that al will be the last character entered - almost certainly the "enter" key - 13 or 0Dh I think. As I recall, this will include the "enter" key. You probably want to check this value to see how many characters you need to "convert" to numbers.

Or just character -'0' if there's only one. When you attempt to print the result, you're okay through add ax, h.

Then you move this value to dx.

### Assembly Language Articles

This isn't what you've got! I used to like that hokey int 29hbut you're probably better off to use something that'll print so stdout int 29h goes to the screen and can't be redirected. Maybe something like Before entering your loop at LBL1:you set cl to That's all untested, "from memory"Detailed explanation is given below. We can write just ENDS But to differentiate the end of which segment it is of which we have to write the same name given to the Data Segment.

Now, Selection of data type is DB data type the numbers which we are adding will be integers so DB is sufficient. In the Program, We are entering the values for the variables and Do arithmetical Operations like Addition, Subtraction, Multiplication and Division So the Computer should understand which kind of Number is entered.

Hence there is a different letters for different Number Systems. By default type of numbering system is Decimal. If you do not specify any letter then the number is understood to be Decimal By default.

Data Segment, 2.

Best pcsx2 pluginsCode Segment, 3. Stack Segment, and 4. Now, from these one is compulsory i. Code Segment and Data Segment. MOV is a keyword to move the second element into the first element. AX is the first and most important register in the ALU unit. Other Segments are not needed to be initialized, Only assuming is enhalf.

The above three line code is used to add the two variables and save the result in another variable.

Ml360r manualAs we know the programs work only with the instructions in the instruction set. Instruction ADD is used to add to numbers in the following permutations above. REG stands for Registers Eg. Let us understand the meanings of the above permutations. First permutation :- REGmemory means Register can be added with memory.

Fifth permutation :- REGimmediate means Register can be added with immediate.

Mercedes w220 gear selector problemNote :- In the permutations above it will work only in the order mentioned above and not by interchanging the first to second and second to first. AX Register is called Accumalator. The Result of Addition is only in AL register. The above two line code is used to exit to dos or exit to operating system. We can write just ENDS But to differentiate the end of which segment it is of which we have to write the same name given to the Code Segment.

We can write the program in lower or upper case, But i prepare Upper Case. Note :- To see the variable and its value you have to click vars button in the emulator. You must be logged in to post a comment. This site uses Akismet to reduce spam. Learn how your comment data is processed. Source code. Leave a Reply Cancel reply You must be logged in to post a comment. Iconic One Theme Powered by Wordpress.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. I am making a program in which I want to take two 4-digit numbers from user and display their sum. I know how to take 4-digit input from user but I am not able to sum the 4-digit numbers and display the result.

**8086 Assembly Language Tutorial For Beginners -- Part 04 -- Array in 8086 -- DUP**

Here's what I have done so far. The sum is not calculated correctly.

## 8085 program to find the sum of first n natural numbers

Before worrying about the sum, you need to make sure that the inputs were correct. Sadly they are wrong! When calculating the 1st digit you use mul a. Since the a variable is defined as a word with the value ofthis multiplication is a word sized operation, and so it actually multiplies the AX register with your variable. Your program only gets a value in the AL register, which is but the low half of the AX register. You need to zero the upper half AH beforehand. The code for the 2nd and 3rd digits is OK, but the 4th digit is wrong again.

The add num,ax instruction relies on the content of the upper half AH that you didn't set up. There's no sense in subtracting 48D from the sum you calculated in the addfunc procedure. Below is one version of how to display a 16 bit number in AX on the screen:. Learn more. Adding 4-digit numbers and displaying sum - Assembly Language Ask Question.

Asked 3 years, 7 months ago. Active 3 years, 7 months ago.To understand this example, you should have the knowledge of the following C programming topics:. The positive numbers 1, 2, The sum of natural numbers up to 10 is:. The above program takes input from the user and stores it in the variable n. Then, for loop is used to calculate the sum up to n.

In both programs, the loop is iterated n number of times. And, in each iteration, the value of i is added to sum and i is incremented by 1.

Though both programs are technically correct, it is better to use for loop in this case. It's because the number of iterations is known. The above programs don't work properly if the user enters a negative integer.

Here is a little modification to the above program where we keep taking input from the user until a positive integer is entered. Visit this page to learn how to find the sum of natural numbers using recursion. Course Index Explore Programiz.

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Me adarayai 23 octExplore C Examples. Check Whether a Character is a Vowel or Consonant. Find the Roots of a Quadratic Equation. Check Whether a Number is Positive or Negative.

Check Whether a Character is an Alphabet or not. Calculate the Sum of Natural Numbers. Find Factorial of a Number. Generate Multiplication Table. Join our newsletter for the latest updates. You have successfully subscribed to C newsletter. C Programming. C Program to Calculate the Sum of Natural Numbers In this example, you will learn to calculate the sum of natural numbers entered by the user.

Share on:. Was this article helpful? Sorry about that How can we improve it? Related Examples.NUM2 DB? Detailed explanation is given below. We can write just ENDS But to differentiate the end of which segment it is of which we have to write the same name given to the Data Segment.

Now, Selection of data type is DB data type the numbers which we are adding will be integers so DB is sufficient. In the Program, We are entering the values for the variables and Do arithmetical Operations like Addition, Subtraction, Multiplication and Division So the Computer should understand which kind of Number is entered. Hence there is a different letters for different Number Systems. By default type of numbering system is Decimal.

If you do not specify any letter then the number is understood to be Decimal By default. Data Segment, 2. Code Segment, 3.

Stack Segment, and 4. Now, from these one is compulsory i. Code Segment and Data Segment.

## ASSEMBLY05 An Assembly program to find the sum of two BCD numbers stored in memory

MOV is a keyword to move the second element into the first element. AX is the first and most important register in the ALU unit. Other Segments are not needed to be initialized, Only assuming is enhalf. When you enter 5 we see 35H,So by subtracting 30H we get back to value as 5. As we know the programs work only with the instructions in the instruction set.

Instruction ADD is used to add to numbers in the following permutations above. REG stands for Registers Eg. Let us understand the meanings of the above permutations.

First permutation :- REGmemory means Register can be added with memory. Fifth permutation :- REGimmediate means Register can be added with immediate. Note :- In the permutations above it will work only in the order mentioned above and not by interchanging the first to second and second to first. AX Register is called Accumalator.

Now we want to print the result on screen or console. By moving AX to BX. Here we are printing BH register. The above two line code is used to exit to dos or exit to operating system. We can write just ENDS But to differentiate the end of which segment it is of which we have to write the same name given to the Code Segment. We can write the program in lower or upper case, But i prepare Upper Case. Note :- To see the variable and its value you have to click vars button in the emulator.

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Writing code in comment? Please use ide. Difference between 3-address instruction and 1-address instruction Stack machine in Computer Organisation Memory Access Methods. Increase the value of SI by 1. Load number value from offset SI to register AL. Move the value of register AL to BL. Multiply the value in register AL by itself. Multiply the value in register AL by BL.

Store the result value of register AL to memory offset SI. Loop above 6 till register CX gets 0. Program —. Recommended Posts: program to determine squares of numbers in an array of n numbers program to determine largest number in an array of n numbers program to determine product of corresponding elements of two array elements program to determine modulus of first array elements corresponding to another array elements program to add two 8 bit BCD numbers program to add two bit numbers with or without carry program to add two 16 bit BCD numbers with carry program to multiply two 8 bit numbers program to subtract two 16 bit BCD numbers program to subtract two 8 bit BCD numbers program to multiply two bit numbers program to determine sum of corresponding elements of two arrays program to generate G.

Check out this Author's contributed articles. Load Comments. We use cookies to ensure you have the best browsing experience on our website.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. I have been trying to learn assembly language and I am still fairly new to it. The task I am learning now is simple recursion and I am having some trouble with a task.

I have made some progress but I have a few problems and I am stuck. If anyone has any solutions or so example of what I am doing wrong this would be amazing.

Learn more. Asked 3 years, 2 months ago. Active 3 years, 2 months ago. Viewed times. STACK I am having issue with my recursive algorithm and recalling the mehtod and finally, sending the result value back Adding the correct numbers to answer, such as the using esp and the length of the address. Luke Joshua Park 8, 5 5 gold badges 19 19 silver badges 39 39 bronze badges. Conner K. McPhee Conner K. McPhee 49 7 7 bronze badges. I was able to fix the 1st issue that involved the io. McPhee May 15 '17 at RbMm This chapter i am working on right now about using the stack and recursion.

So the assignment task is to use recursion for the sum problem. Active Oldest Votes. Sign up or log in Sign up using Google. Sign up using Facebook.

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