When the project began back in 199x, as the name suggests, we only supported the Cambridge z88, however fairly soon support was added for the ZX Spectrum, then the Xircom REX6000 and now in 2021 over 100 targets are supported, some more obscure than others!

There's an up-to-date list on the wiki however here's a lightly categorised list of the targets supported:

Sinclair inspired TMS99x8 Derived
  • Sinclair ZX80
  • Sinclair ZX81
  • Lambda 8300
  • Jupiter Ace
  • ZX Spectrum
  • Timex TS2068
  • ZX Spectrum Next
  • Sam Coupe
  • Cambridge z88
  • Peters Plus Sprinter
  • MSX1
  • SpectraVideo 318
  • Sord M5
  • Memotech MTX
  • Colecovision
  • Colecovision Adam
  • Casio PV-2000
  • Hanimex Pencil II
  • LM80-C
  • Nichibutsu My Vision
  • Sega SC-3000/SG-1000
  • Sega Master System
MC6847 DerivedOther Home Computers
  • PC-6001 Mk2, Mk2
  • CCE MC-1000
  • Samsung SPC-1000
  • VZ-200/300
  • Bandaivision SV-8000
  • ABC80/ABC800
  • Amstrad CPC
  • Amstrad NC
  • Mattel Aquarius
  • Commodore 128
  • Dick Smith Super-80
  • Enterprise 64/128
  • Camputers Lynx
  • Grundy Newbrain
  • Philips P2000
  • Philips VG-5000
  • VTech Laser 350/500/700
Japanese HardwareSharp Hardware
  • Bandai RX-78
  • Canon X-07
  • Casio FP-1100
  • Casio PV-1000
  • Mitsubishi Multi8
  • NEC PC-8801
  • S-OS (The Sentinel)
  • Z80 TV Game
  • Sharp PC-G8xx, PC-E2xx
  • Sharp MZ80, MZ700, MZ800
  • Sharp OZ
  • Sharp MZ2500
  • Sharp X1
DDR HardwareSoviet Hardware
  • Robotron Z9001, KC85/1, KC87
  • Robotron HC-900, KC85/2..KC85/5
  • Hübler/Evert-MC
  • Hübler Grafik-MC
  • Kramer MC
  • Robotron Z1013
  • Mikro-80
  • Специалист/Specialist
  • Вектор-06Ц/Vector06c
  • Krokha
  • Lviv PK-01
  • Radio86-RK
Other Eastern Bloc CP/M Based
  • Galaxija
  • Primo
  • TVC Videoton
  • PMD85
  • Homelab 2
  • Homelab 4
  • Ondra
Vanilla CP/M z80 and 8080 +
  • Regnecentralen RC700
  • Tiki-100
  • Sony SMC-70/SMC-777
  • MikroBEE
  • Osborne 1
  • Kaypro II, Kaypro 4
  • Epson PX-8/HC-80/HC-88
  • Epson PX-4/HC-40
  • Knight 2000/Aussie Byte
  • Otrona Attachè
  • Microbee
  • Toshiba Pasopia 7
  • Bondwell 12/14
  • Bondwell 2
"Early" hardware "Unusual" hardware
  • Altair 8800
  • DAI
  • EACA EG2000
  • Excalibur 64
  • Nascom 2
  • Exidy Sorcerer
  • TRS80
  • v6z80p OSCA
  • Genius Leader Learning Computers
  • Pacman Hardware
  • Nintendo Gameboy
  • S1MP3
  • TI82, TI83, Ti83+, TI85, Ti86
  • Xircom Rex 6000
Modern hardware
  • RC2014
  • YAZ180
  • SC Z180 boards
  • HBIOS boards