AILZ80ASM is a Z80 assembler written in C# that runs in a .NET 6 environment.
Publisher’s description (Japanese)
What is AILZ80ASM?
AILZ80ASM is an open-source program for Windows from AILight. It is written in C#.
Installation and requirements
Official installers exist for 64-bit as Portable. It runs without installation (portable).
Updates and version history
The current version is 1.0.31, released on September 21, 2025. 17 versions are listed since October 17, 2023, each with links to its own installer files. That is about 8.7 releases a year. The last update is more than a year old.
Popularity and file types
The source code on GitHub (AILight/AILZ80ASM) has 57 stars.
Project description on GitHub: “Z80アセンブラ”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Portable: runs without installation
- Frequent updates (about 8.7 a year)
Cons
- No native ARM64 build
- No update for more than a year
In short: AILZ80ASM is an open-source Windows tool for 64-bit PCs. It is actively maintained.
Is AILZ80ASM safe to download?
- The file is served by github.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
40FE78818E10B779D85D4ADC39695D349198FEF98C07B0A6FDBCBA469C45F485· Open the VirusTotal report for this hash - The link has not been checked yet
- The source code is public
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 17 versions ›17 versions over 2 years · about 8.7 a year
| Version | Date | Size | Files |
|---|---|---|---|
| 1.0.31Latest | September 21, 2025 | — | 64-bit ZIP |
| 1.0.27 | January 7, 2025 | — | 64-bit ZIP |
| 1.0.23 | November 22, 2024 | — | 64-bit ZIP |
| 1.0.22 | August 17, 2024 | — | 64-bit ZIP |
| 1.0.21 | June 1, 2024 | — | 64-bit ZIP |
| 1.0.20 | May 21, 2024 | — | 64-bit ZIP |
| 1.0.19 | March 31, 2024 | — | 64-bit ZIP |
| 1.0.18 | March 11, 2024 | — | 64-bit ZIP |
Install from the command line
Silent install ›winget install --id AILight.AILZ80ASM -eRelated guide: How to use winget: install and update apps
Information
- Publisher
- AILight
- Licence
- MIT
- Price
- Free
- Source code
- github.com/AILight/AILZ80ASM
- Written in
- C#
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- Portable
- Version
- 1.0.31
- Released
- September 21, 2025
- Added to the catalogue
- October 17, 2023
- Versions listed
- 17
- Updates / year
- 8.7
- GitHub stars
- 57
- GitHub forks
- 3
- Website
- github.com
- winget ID
- AILight.AILZ80ASM
Ratings and reviews
No reviews yet. Be the first to rate it.
Frequently asked questions
Is AILZ80ASM free?
Yes. AILZ80ASM is open-source software under the MIT licence.
Is AILZ80ASM safe to download?
The download comes from github.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install AILZ80ASM with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Does AILZ80ASM run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
Where can I download an older version of AILZ80ASM?
The versions page lists all 17 versions with links to their official installer files, back to October 17, 2023.
Can I use AILZ80ASM without administrator rights?
Yes, it is portable: unpack and run it.