Z80CPM
Utilities
Free
RomWBW CP/M brings the classic CP/M operating system to your iPhone, iPad, and Mac with a full Z80 processor emulator.
FEATURES
• Full Z80 Emulation - Accurate instruction emulation runs authentic CP/M software
• VT100 Terminal - ANSI escape sequence support for text adventures and productivity apps
• Multiple Disk Support - Mount up to 4 disk images simultaneously
• Download Disk Images - Fetch CP/M disk images directly from the RomWBW project
• Works Offline - Downloaded disk images are stored locally
• Native Mac Support - Runs natively on macOS via Mac Catalyst
CLASSIC SOFTWARE
Run the software that defined personal computing:
• Operating Systems: CP/M 2.2, CP/M 3, ZSDOS, NZCOM, ZPM3
• Word Processing: WordStar
• Programming: Turbo Pascal, Microsoft BASIC
• Text Adventures: Zork, Adventure, Hitchhiker's Guide to the Galaxy
• Databases: dBASE II
• And thousands more CP/M programs
GETTING STARTED
1. Open Settings and download a disk image (CP/M 2.2 recommended)
2. Select the disk image for Unit 0
3. Press Play to start the emulator
4. Press 0 at the boot menu to boot from disk
BUILT ON ROMWBW
This emulator is built on the RomWBW HBIOS platform, the same firmware used by real retro Z80 hardware projects. Disk images are downloaded from the official RomWBW project and include freely distributable CP/M software.
TECHNICAL DETAILS
• 80x25 character terminal display
• hd1k disk format (8MB per slice, 64MB per disk)
• Hardware keyboard support
• Portrait and landscape orientation
Perfect for retrocomputing enthusiasts, computer history education, or anyone who wants to experience the operating system that launched the personal computer revolution.
Ratings & Reviews
- Fixed UI freeze when using "Open File" or "Create New" disk dialogs in Settings on macOS
- All 4 disk drives now appear in the toolbar menu (previously only showed Disk 0 and Disk 1)
- Disk load and export options organized into submenus for cleaner navigation
The developer, Aaron Wohl, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Aaron Wohl
- Size
- 1.5 MB
- Category
- Utilities
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © Aaron Wohl 2025 (GNU GPL v3)