2,888 Topics
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| | I want to compile an assembly program in NASM using MS visual studio 2010. thanks..:D  |
| | Hi.. I have downloaded grub source code from [url]ftp://ftp.gnu.org/gnu/grub[/url]. I have compiled that source code using ./configure then make command but i have not get any binary file. Actually i want to use GRUB boot loader for my own Os. please guide me. I am very new here. thanks in … |
| | [CODE] .MODEL small .STACK 100h ; defines a stack 100h (256) bytes long .DATA String DB "Hello World!",'$' ; variable declaration .CODE Start: mov dx,offset String ; point dx to the storage location for the first character mov ah,9 ; dos function for string output int 21h Stop: mov ax,4C00h … |
 | How do I print values (integer) from memory addresses? I did it with ascii string value, but I can't get it to work with integer value :/ Here is my code for printing ascii string: [CODE]lui $a0, 0x1001 addi $a0, $a0, 4 addi $v0, $0, 4 syscall [/CODE] I tried … |
| | hi guys i've got a simple problem with fibonacci sequence.. I use tasm and my processor is amd and this, so far, is my code: [CODE].model small .stack .code org 100h start: mov ah, 02h mov cx, 07h mov bl, 31h mov dl, 30h A: add bl, dl int 21h …  |
| | I want to check degbugger and write a function like this code to call API debug "IsDebuggerPresent" : Code: [CODE]#include <windows.h> bool checkdbg(){ int i = 1; __asm{ call IsDebuggerPresent //gọi api debug test eax, eax jne L1 mov i,0 L1 : } if(i == 0) return false; else return … |
 | Hi people, im creating an operating system, 32bit, protected mode, vesa... a complete o/s i need your help in anyway, coding, funding, ideas. i will post my operating system image for you people to sample and you may join me in creating it.... the posting will be done in less … |
| | Hey guys! I really need your help. I need assembly language codes to check if a string is a palindrome or not.. Pls. help me.. Thanks~! God bless!  |
| | hi it's been a while since im studying assembly language.. I'm a bit confused about this language(coz i'm used to high-level language >.<) can someone explain each line of code to me? here it is: [CODE].MODEL SMALL .stack 100h .DATA NUM_1 DB ? NUM_2 DB ? NUM_3 DB ? V1 … |
| | hi guys i use tasm and I want to have an assembly program that gets user input and the program will provide the output. My desired program is when a user inputs 3 it will output asterisks just like this input: 3 output: * ** *** i found this code … |
 | Hey guys could you please differentiate for me when to use stacks and when to use registers in assembly codes.Please a code fragment will do much good too. Thanks in advance. |
| | [TEX]hi.... i have connected a real time clock chip DS12887 with an 8051. the data of the rtc is brought into the controller and displayed on two 7 segment displays. the 7 segs are connected to P 1 of the uc. BCD data is recieved in the form of 2 … |
| | Hello!I'm new here, so, in my course i have to crack a program written by my teacher, he said that its a simple crack, this program have a message like:"This is a free program", i need to find the JNZ Short Command in runtime, but de address of this code … |
| | I am very new to assembly language and I have been instructed to make the brightness of a bright white LED to vary according to the brightness of the room that the LED is in, the brightness of the room will be detected by a light dependant resistor and the … |
| | Hi! Basically I'm receiving user input, storing it in a buffer, and then (so far) testing the first of the three digit combination. However, when I CMP the first digit to the first number in the correct serial code it always tell me that I've entered the wrong serial code, … |
| | Hey im new in this forum but really need help with making program on assembly 8086 that will take a string of 4 characters , then check if they are right and after that convert them to binary and decimal, then again hexadecimal, and in the end print something like … |
| | Hello software developers :) I've decided to try and "crack" a (very simple) program I've written myself, just for the sake of it. Here's the code: [CODE] #include <stdio.h> const int serialCode = 255; int guess; int main() { printf("Please enter your serial code: "); scanf("%d", &guess); if(guess == serialCode) …  |
 | Here is an arm assembly code for factorial function (along with the c code).i am a bit confused with the stmfd and ldmfd instructions.what are they exactly doing in this program? what does the exclamation mark do? why is label .L2 being loaded into r0? i kno that stmfd and … |
| | Hi guys i have problems with the codes that i got from a site. this is the code [CODE].model .code main proc mov ah, 02 mov dl, 61h start: sub dl,20h int 21h push dx mov dl, 0AH int 21h pop dx add dl, 20h inc dl cmp dl, 79H … |
| | I wrote the following code for sorting an array (ARR1) in ascending order. Please check if its correct. Thanks. Is there any assembler for windows that I can use to run these codes? [CODE].Program to sort ARRAY into ascending order. SORT START 0 OUTER LDX INDEX LDS ARR1,X LDX #0 … |
 | Hi, I'm working on a bit of a self-tailored operating system, loosely based on MikeOS (I've kept some MikeOS calls, removed a few, added my own, stripped down the interface,..) and i seem to be stuck on a problem. I need to define userspaces and allow the system to accept … |
| | hey guys I'm new in assembly programming and i need to calculate the determinant of an N*N matrix in 80X86 processor i know the algorithm but i have a problem i don't know how can i sum these SIGNED numbers [ICODE]VAR1+VAR2 [/ICODE] & [ICODE]VAR1-VAR2[/ICODE] which VAR1 and VAR2 are: [CODE]VAR1 … |
| | I was going through some documents and web pages on building a boot loader ! I am new to assembly programming. I want to know whether I should use NASM or MASM for assembly programming ? What is the meaning of this code snippet : [ICODE] .286 ; CPU type …  |
| | [CODE]org 100h mov ah, 09h mov dx, entername mov cx, 16 int 21h getname: mov ah, 00h ; keyboard input subprogram int 16h ; character input mov [si], al inc si jmp getname printstrg: mov ah, 09h mov dx, nameis int 21h mov ah, 09h mov dx, si int 21h … |
| | Hello there, while trying to get my head around block transfers in ARM asm i noticed that ldmib (inc before) doesnt change the location in Rd yet ldmdb does. This doesn't make sense to me because ldmdb is supposed to be dec BEFORE. Here's my code: [CODE] .syntax unified @----------- … |
| | How do I do? (Sum odd number) subt (sum even number) with marie simulator |
| | Hello! To get straight to the point, I can't seem to get division to work. I haven't been programming in Assembly long, and I've been trying to get this to work for a couple of days now with no success. Anyway, here's my code: [CODE=assembly] section .text global _main extern … |
| | when i write a program in assembly and i define a variable of "word" size.....is it truly the natural word size of my processor? for example on an i7 64bit processor will it be the size of 64bits.....or will it be defined as how microsoft defines the size of a …  |
| | Hi ! I`m trying to write an OS, but I already have some problems with the bootloader. I`m trying to load some assembly code from hard disk, that will set protected mode and load kernel, but i don`t think it loads what it should load. After it calls the int … |
| | Hi all, I am having some difficulty in finding how to make a Table Valued Function (TVF) work in C# and T-SQL. I have managed to get a Scalar Valued Function (SVF) working perfectly however I have not been able to find any adequate documentation on how to implement a … |
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