SSaguninsagunwrites.hashnode.dev·Aug 16 · 4 min readImplied Addressing ModeIn the previous article, we introduced addressing modes and learned that they describe how a CPU finds the operand required by an instruction. We'll now study each addressing mode individually, starti00
SSaguninsagunwrites.hashnode.dev·Aug 16 · 9 min readAddressing ModesA CPU instruction tells the processor what operation to perform. But when an instruction needs data, another question appears: Where is that data located? The method used by an instruction to specify 00
SSaguninsagunwrites.hashnode.dev·Aug 16 · 5 min readWhat Is an Instruction?A computer can perform calculations, move data, compare values, and make decisions—but how does the processor know what operation to perform? The answer is instructions. An instruction is a command gi00
NSNull Siryninctfs.hashnode.dev·Jan 1 · 23 min readJingle's Validator CTF Writeup: VM Custom ISA Reverse EngineeringChallenge Description Category: Reverse EngineeringAuthor: flocto The North Pole Licensing Division needed offline activation for internal tools. Jingle McSnark volunteered to build the validator. Three weeks later, he emailed the entire department. ...00
JHJoseph Hinjbrosdev.hashnode.dev·Sep 14, 2024 · 15 min readMaking A Virtual Machine - Binary to Assembly to C - All in RustIntroduction Why? This project has really shown me how a computer works at a binary level. It turned a computer from a magical box to an electrical circuit that you can study and learn how it works. I was researching stuff for this project and I came...00
