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Tech riderRev. 29 Sept 2026

Breadbin466

Ch 027.2of 30 Commodore 64 Emulators
  1. 1Runs onLinux, Mac, Windows
  2. 2CostsFree plan
  3. 3Supported platformsmacOS, Windows, Linux
  4. 4Disk and tape formatsD64, G64, NIB, NBZ, D7Z
  5. 5Built-in debuggerYes
  6. 6Emulated C64 variantsPAL Assy 250466
6 lines stated Written from the maker's own pages: github.com
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Overview

Breadbin466 is ranked #2 of 30 in Commodore 64 emulators on Specifiction. It runs on Linux, macOS, Windows. There is a free plan.

Breadbin466 plans and pricing

All plans
Breadbin466 Free MIT-licensed emulator · Commodore ROM images are not covered by the MIT License github.com · 29 Sept 2026

Compared on Commodore 64 emulators

Free plan
Yesgithub.com
Supported platforms
macOS, Windows, Linuxgithub.com
Disk and tape formats
D64, G64, NIB, NBZ, D7Zgithub.com
Built-in debugger
Yesgithub.com
Emulated C64 variants
PAL Assy 250466github.com

Facts

Purpose
Breadbin466 is a from-scratch Commodore 64 emulator written in Rust that focuses on accurately modeling one PAL Assy 250466 machine.github.com · 29 Sept 2026
CPU and video
It emulates a cycle-driven MOS 6510 CPU and VIC-II raster timing, video generation, and bus arbitration.github.com · 29 Sept 2026
Sound
Its MOS 6581R4AR SID model is based on characterisation of a physical datecode 2286 chip and models oscillator, DAC, mixing, and filter behavior.github.com · 29 Sept 2026
Disk drive
The cycle-driven Commodore 1541 emulation includes its own CPU, VIAs, mechanics, GCR read channel, IEC communication, fastloaders, and protected disk behavior.github.com · 29 Sept 2026
Other hardware
Features include CIA timers and interfaces, a 1351 proportional mouse, a 1530 Datassette with TAP playback and recording, cartridges, and a 1764 REU with 512 KB.github.com · 29 Sept 2026
Disk formats
It supports D64, G64, NIB, NBZ, and the project's open D7Z disk-image format, plus disk-image creation, conversion, and space-reclamation tools.github.com · 29 Sept 2026
Debugging
The integrated debugger includes breakpoints, disassembly, history, and configurable execution, read, and write tracing.github.com · 29 Sept 2026
Audio capture
The project lists session-long PCM WAV audio capture and command-line automation facilities for testing and characterisation.github.com · 29 Sept 2026
Desktop features
Native menus and Inspector windows are provided on macOS, Windows, and Linux, with fixed-refresh display pacing and 44.1 kHz audio preferred.github.com · 29 Sept 2026
Availability
The repository says macOS and Windows builds are available through release downloads and Linux is supported through source builds.github.com · 29 Sept 2026
Project status
Version 0.99.0 is described as feature-complete and ready for community testing, with broader testing remaining before 1.0.github.com · 29 Sept 2026
License
The emulator is licensed under MIT, while the Commodore ROM images distributed with it are explicitly excluded from that license.github.com · 29 Sept 2026
Support
Users can send feedback to [email protected] or report reproducible problems through GitHub Issues.github.com · 29 Sept 2026

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