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Tech riderRev. 21 Sept 2026

zig64

Ch 166.2of 30 Commodore 64 Emulators
  1. 1Runs onNot stated by the maker
  2. 2CostsNot stated by the maker
  3. 3Built-in debuggerYes
1 lines stated Written from the maker's own pages: github.com
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The zig64 homepage

Overview

zig64 is ranked #16 of 30 in Commodore 64 emulators on Specifiction.

Compared on Commodore 64 emulators

Built-in debugger
Yesgithub.com

Facts

Product
zig64 is a Commodore 64 MOS 6510 emulator core implemented in Zig.github.com · 5 Oct 2026
CPU emulation
It implements documented MOS 6502/6510 instructions and addressing modes with cycle-accurate timing.github.com · 5 Oct 2026
Video timing
It synchronizes CPU cycles with PAL and NTSC timings and emulates raster beam behavior and bad lines, without generating video output.github.com · 5 Oct 2026
SID analysis
It tracks SID register writes by cycle and decodes changes such as waveforms and envelopes.github.com · 5 Oct 2026
Program loading
It can load .prg files directly into memory for execution.github.com · 5 Oct 2026
Debugging
It provides step-by-step CPU traces, state inspection, and SID change logging.github.com · 5 Oct 2026
Disassembly
Its Asm component decodes 6502/6510 instructions into mnemonics and metadata and supports disassembly.github.com · 5 Oct 2026
Testing
The README describes integration with Zig’s testing framework for writing unit tests for C64 code.github.com · 5 Oct 2026
Integration
The README documents adding zig64 as a dependency and importing its module into a Zig project.github.com · 5 Oct 2026
Related project
The README names zigreSID as a related SID sound emulation library for Zig that integrates with zig64 for .sid playback.github.com · 5 Oct 2026
License
The project is released under the MIT License, which the README says allows free modification and distribution.github.com · 5 Oct 2026
Build and tests
The README gives `zig build` and `zig build test` commands; its Requirements heading lists no requirements.github.com · 5 Oct 2026
Intended users
The README presents the core as a foundation for C64 software analysis, SID player routine inspection, and debugging, aimed at developers and enthusiasts.github.com · 5 Oct 2026
Maker information
The repository is published by the GitHub account M64GitHub; the opened project page does not state a headquarters or founding date.github.com · 5 Oct 2026

Company

Headquarters
Vienna, Austriagithub.com · 28 Sept 2026

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Sources