#assembly

FPFredrik Paulinfredrikpaulin.hashnode.dev

Building EMU64: A Headless Commodore 64 Emulator for Modern Testing

When you're developing an assembler for vintage hardware, you need a way to test your output. Running generated binaries on original hardware isn't practical for automated testing, and full-featured emulators like VICE are overkill when all you need ...

Feb 47 min read

FPFredrik Paulinfredrikpaulin.hashnode.dev

Building ASM64: A Modern 6502 Cross-Assembler in C

Introduction The Commodore 64 refuses to die. Four decades after its release, a passionate community continues to push the hardware to its limits, and 2026 marks an exciting milestone: the Commodore 64 Ultimate is finally shipping. This modern reimag...

Feb 211 min read

SRSukalyan Roysukalyanroy.hashnode.dev

Nand2Tetris Part 1: Hardware

After many many months and years of procrastinating, i finally started this book, along with a friend from college, both of us doing it separately at our own pace. And Atleast for the first few chapters so far, it has been a torturous but fun experie...

Jan 1612 min read

MSMohammed Sohailgas-asm.hashnode.dev

How to Return a Custom Exit Code in Your Program

Another simple program involves returning a specific number instead of the usual 0. Here is the equivalent code in C++ for that: #include <iostream> using namespace std; int main() { return 5; } The same code we used to return 0 in assembly wil...

Jan 61 min read

MSMohammed Sohailgas-asm.hashnode.dev

How to Write a Hello World Program in Assembly Language

Now, let's look at the traditional "hello, world" program in programming. I'm not a big fan of it, but it's basic and helps us see the output on the terminal for the first time, so it's fine here. Below is a simple C++ code example, which is consider...

Jan 64 min read

MSMohammed Sohailgas-asm.hashnode.dev

Return Zero in Assembly

The most basic program in assembly or any programming language is a "return 0" program. Here is an example in C++: int main() { return 0; } To write the equivalent program in GNU assembly, it would look like this: .global _start _start: mov...

Jan 54 min read

NSNull Sirynctfs.hashnode.dev

The Elf's Wager: Reverse Engineering CTF Writeup

Challenge Description Category: Reverse engineeringAuthor: qvipin The break room buzzes with energy when you walk in. A crowd of elves has gathered around Jingle McSnark's desk, where a holographic scoreboard floats above a plate of half-eaten ginger...

Jan 15 min read

EEErk Ekinerkek.in

Reverse engineer a swift binary

When you compile your high-level Swift code, it gets turned into raw machine instructions. As developers, we rarely look at this level, but it's a fascinating world for anyone interested in security, performance, or just pure curiosity. In this post,...

Oct 28, 20255 min read

AAcethejshater.hashnode.dev

Rewriting Memcpy in Assembly

I’ve always been intrigued by Assembly. Every time I’ve looked at the generated Assembly for my C or Zig code, it’s always been interesting to see: How the simple things taken for granted are not so trivial at the machine level. How compilers cleve...

Sep 23, 202528 min read

UIUmer Islamblog.umerislam.codes

Assembly Language: Memory Allocation, Access, Bytes and Words.

For the CPU to operate, we must store the data we want to operate on; it is stored in RAM. The different buses of the CPU that communicate with the RAM fetch and read that data. NOTE: Please read the first blog in the series for a better understandin...

Sep 15, 20252 min read

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#assembly

Building EMU64: A Headless Commodore 64 Emulator for Modern Testing

Building ASM64: A Modern 6502 Cross-Assembler in C

Nand2Tetris Part 1: Hardware

How to Return a Custom Exit Code in Your Program

How to Write a Hello World Program in Assembly Language

Return Zero in Assembly

The Elf's Wager: Reverse Engineering CTF Writeup

Reverse engineer a swift binary

Rewriting Memcpy in Assembly

Assembly Language: Memory Allocation, Access, Bytes and Words.

#assembly

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#assembly

Building EMU64: A Headless Commodore 64 Emulator for Modern Testing

Building ASM64: A Modern 6502 Cross-Assembler in C

Nand2Tetris Part 1: Hardware

How to Return a Custom Exit Code in Your Program

How to Write a Hello World Program in Assembly Language

Return Zero in Assembly

The Elf's Wager: Reverse Engineering CTF Writeup

Reverse engineer a swift binary

Rewriting Memcpy in Assembly

Assembly Language: Memory Allocation, Access, Bytes and Words.