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I wrote a custom assembler for CHIP-8 in C++

Details

External ID
49744174
Source
HN
Company
—
Product
I wrote a custom assembler for CHIP-8 in C++
Website domain
github.com
Launched
Sept. 17, 2026
Cohort
—
Upvotes
28
Upvotes percentile
0.7910685805422647
Tags
—
Fetched at
Sept. 21, 2026, 5:02 p.m.
Updated at
Sept. 21, 2026, 5:02 p.m.

Description

I'm writing a custom assembler for CHIP-8 and just finished adding support for the DB/.byte directive so I can embed sprites in the ROM and finally get something drawn on the screen. It SHOULD support all OG CHIP-8 instructions, but still a ton of rough edges that I'm ironing out.This is my first ever C++ project, just like the CHIP-8 emulator was my first ever C (and emudev) project. It's so satisfying to write assembly and have your program spit out a ROM that actually runs in the emulator you wrote.All code is written by me (a lot of it livestreaming) as evident by the quality, no AI.

Enrichment

Theme
indie hacker passion projects
Vertical
Horizontal
Function
Dev tools
Audience
Developer
AI stance
Not AI
Project type
Hobby / open-source project
Normalized one-liner
chip-8 assembler in c++ for retro developers
Manually corrected
False

Could you build this?

Yes A CHIP-8 assembler is an introductory computer science project with a simple instruction set (only 35 opcodes) that modern AI models can generate and debug effortlessly.

Discussion

4 comments analyzed.

Concerns raised: out-of-bounds RAM access bug in 'I' register

Competitors

Other products that read as similar to this one — 123 launches clear the similarity bar, closest 8 shown.

Attention rank: #38 of 124 (itself plus its competitors, highest first — normalized so YC and Product Hunt are compared fairly).

Launched 323 days after the earliest competitor.

Other launches for this product

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