I built a RISC-V emulator that runs DOOM

Hacker News

Hi HN, I built a RISC-V emulator that implements the RV32IM instruction set and a minimal syscall interface to run DOOM. A few weeks ago, I got my first output with a simple hello world assembly program. Since then I have been working tirelessly to get DOOM to run. I needed to...

Published: May 3, 2026
First seen: May 3, 2026

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AI Summary

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Teams evaluating AI product workflows / Builders comparing emerging tools / Operators tracking early category shifts

Why it matters

Primary discovery source is Hacker News.

Key Features

Primary public product URL is https://github.com/lalitshankarch/rvcore.
Description: Hi HN, I built a RISC-V emulator that implements the RV32IM instruction set and a minimal syscall interface to run DOOM. A few weeks ago, I got my first output with a simple hello world assembly program. Since then I....
GitHub repository is linked as lalitshankarch/rvcore.
Listed on Hacker News as "I built a RISC-V emulator that runs DOOM".
Source description: Hi HN, I built a RISC-V emulator that implements the RV32IM instruction set and a minimal syscall interface to run DOOM. A few weeks ago, I got my first output with a simple hello world assembly program. Since then I....

Use Cases

Primary discovery source is Hacker News.
A public GitHub repo is available for direct technical review.
Hacker News mention is recent (2026-05-03).
Primary public product URL is https://github.com/lalitshankarch/rvcore.
Description: Hi HN, I built a RISC-V emulator that implements the RV32IM instruction set and a minimal syscall interface to run DOOM. A few weeks ago, I got my first output with a simple hello world assembly program. Since then I....

Why Now

I built a RISC-V emulator that runs DOOM is appearing on fresh discovery surfaces, so it is worth reviewing while momentum is still forming. Confidence is currently medium (49/100), so treat this as an early signal rather than a settled trend.

Community Signals

Trend score

13.9

24h momentum

Rising

Hacker News points

Rising

Facts / Signals / Inference / Unknowns

Facts

Listed on Hacker News as "I built a RISC-V emulator that runs DOOM".
Source description: Hi HN, I built a RISC-V emulator that implements the RV32IM instruction set and a minimal syscall interface to run DOOM. A few weeks ago, I got my first output with a simple hello world assembly program. Since then I....
Source publish date is 2026-05-03.
Description: Hi HN, I built a RISC-V emulator that implements the RV32IM instruction set and a minimal syscall interface to run DOOM. A few weeks ago, I got my first output with a simple hello world assembly program. Since then I....
GitHub repository is linked as lalitshankarch/rvcore.
Primary public product URL is https://github.com/lalitshankarch/rvcore.

Signals

Hacker News mention is recent (2026-05-03).
A public GitHub repo is available for direct technical review.
Primary discovery source is Hacker News.

Inference

Public code access can lower evaluation friction for developer audiences.

Unknowns

Documentation is not explicitly linked in the current allowed evidence set.
No tagline is stored on the current product record.
Pricing details are not explicitly linked in the current allowed evidence set.
Recent changelog or release history is not explicitly linked in the current allowed evidence set.
Release cadence cannot be confirmed unless a changelog or release link is explicitly provided.

Evidence Snapshots

I built a RISC-V emulator that runs DOOM
Listed on Hacker News as "I built a RISC-V emulator that runs DOOM".
Source page snapshotCaptured: May 3, 2026
Open source

I built a RISC-V emulator that runs DOOM GitHub repository
GitHub repository is linked as lalitshankarch/rvcore.
GitHub READMECaptured: May 3, 2026
Open source

I built a RISC-V emulator that runs DOOM official profile
Primary public product URL is https://github.com/lalitshankarch/rvcore.
Official websiteCaptured: May 3, 2026
Open source