Handling Multi-Digit Integer Input in Assembly on Ubuntu 22.04

This `fm_module.txt` file has a copy of my project source code that involves a simple user input and arithmetic operations on an Intel Core i7-12700K processor running Ubuntu 22.04. I’ve […]

Why is the XOR operation not toggling the player variable in my x86 assembly tic-tac-toe game?

I am working on a text based tic-tac-toe game for some users, using x86 assembly on an Intel Core i7 12700K systems running Ubuntu 22.04. I’m using NASM assembler and […]

How can I debug an “Illegal instruction” error in my x86-64 assembly ray tracer?

I’m working on a personal project , a simple ray tracer written in x86-64 assembly for educational purposes. It’s currently in the early stages, focusing on basic ray-sphere intersection calculations. […]

Modifying FreeRTOS Interrupt Priorities After Scheduler Initialization

Hey everyone @Middleware & OS , I’m neck-deep in an RTOS project using FreeRTOS. I need to read and potentially modify interrupt priorities after the FreeRTOS scheduler has been kicked […]

How to Disassemble and Filter Out Static Jumps in Program Output with Bash

My program outputs encoded instructions, and each line represents an independent set of instructions, like this: 0x81FB4300000090 0x69FC4300000090 0x81FC4300000090 0x69FD4300000090 0x81FD4300000090 0x69FE4300000090 0x81FE4300000090 0x69FF4300000090 0x81FF4300000090 0x00054400000090 0x01054400000090 0x02054400000090 0x03054400000090 0x08054400000090 […]

Impact of Using Extended Registers (r8, r9, etc.) on Code Size and Performance

I have a question about using the extended registers as in r8, r9, r10, …. , I want to use them frequently in my program, but I’ve noticed a problem […]

Optimizing memcpy Performance on Intel Core i7 10700K: SIMD and Compiler Flags

I am analyzing the performance of `memcpy` on an Intel Core i7 10700K CPU , using GCC 10.2 on Linux kernel 5.10. My assumption is that its speed should be […]

How can I slow down the browser to avoid network congestion with retransmissions?

Please guys my web server (using RTOS and HTTP 1.0) closes the connection after each request. The browser keeps sending requests for “.js” files with HTTP 1.1, leading to retransmissions. […]

Why is my assembler subroutine for Shellsort not sorting the array when integrated with a C program

In a group work where we are trying to integrate an assembler subroutine for sorting numbers `Shellsort` with a `C` program, the sorting algorithm has been tested as a standalone […]