Z80CPM vs NetTerminal

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.

NetTerminal turns your iPhone into a powerful network diagnostic terminal. Designed for IT professionals, network admins, and curious users, NetTerminal puts a Linux-style command prompt right in your pocket. FREE COMMANDS • ping — test host reachability • dig / nslookup — DNS lookups (A, AAAA, MX, NS, TXT, SOA) via DNS-over-HTTPS • whois — domain registration lookup • man — built-in Linux command manual • ifconfig / ipconfig — local network interface info PRO COMMANDS (one-time IAP, unlock forever) • traceroute / mtr — visualize packet routes • portscan / nmap — open port scan with service version detection • speedtest — bandwidth via Cloudflare endpoints • ssh / connect — full SSH client • wifi — Wi-Fi signal and connection diagnostics • monitor — continuous host availability with charts • diagnose — one-tap PDF diagnostic report • subnet — subnet calculator (equal-size + VLSM) • myip — smart public IP detection (multi-source, VPN/proxy detection) • http / https / curl — HTTP request tools • base / radix — number base conversion + bitwise operators • explain — AI explains Linux commands in Chinese (BYO Claude / OpenAI API key) • voice — voice command input • history / alias — command history with custom aliases DESIGN • Linux-style green-on-black terminal aesthetic • Familiar command syntax • Auto-complete and command suggestions PRIVACY FIRST We don't track you. Everything runs on-device or against the services you explicitly query. Perfect for: troubleshooting Wi-Fi, learning networking, managing remote servers.