# MartyPC

8 Hacker News commenters recommended MartyPC and 6 criticized it, November 2025 to November 2026. It was recommended in 3 of 13 months.

**Verdict:** A cycle-accurate IBM PC/XT emulator written in Rust, praised for accuracy and for testing against real hardware; critics note limited hardware support and some bugs.

## Why people recommend it

- Accurate, tested against real hardware (2 comments): "the author built physical harnesses for real early CPUs so that he could build test suites against the real hardware" ([source](https://news.ycombinator.com/item?id=49409837)) "marty's PC may not have a lot of breadth in terms of supported hardware, but it gets the accuracy totally right" ([source](https://news.ycombinator.com/item?id=49408564))

## What people warn about

- Limited hardware and keyboard support (3 comments): "marty's PC may not have a lot of breadth in terms of supported hardware, but it gets the accuracy totally right" ([source](https://news.ycombinator.com/item?id=49408564)) "Doesn't seem to support non-QWERTY keboards" ([source](https://news.ycombinator.com/item?id=49406575)) "Who cares about non-qwerty!" ([source](https://news.ycombinator.com/item?id=49407102))
- Freezes and input mapping bugs (2 comments): "it just freezes shortly after the "Thanks for running on real hardware!"" ([source](https://news.ycombinator.com/item?id=49724235)) "Mysteriously, backslash has been mapped to backspace for some reason." ([source](https://news.ycombinator.com/item?id=49406222))

## Cite as

Hacker Approved, "MartyPC", https://hackerapproved.com/p/martypc/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).