Contiki OS for 6502 based computers is available for four target systems. Select one of the following links for more information on download and usage (or learn more on the history of Contiki OS):

• The C64
• The C128 VDC
• The enhanced Apple //e
• The ATARI XL

Contiki requires Ethernet hardware. There's no support for TCP/IP over serial connections whatsoever in the standard build. There's experimental support for SLIP instead of Ethernet when building with the environment variable SLIP defined.

On the C64 and the C128 there are two supported Ethernet devices:

• The RR-Net - emulated by VICE
• The ETH64

On the Apple //e there are three supported Ethernet cards:

• The Uthernet - emulated by AppleWin and GSport
• The Uthernet II - emulated by AppleWin
• The LANceGS

On the ATARI XL there is one supported Ethernet device:

• The Dragon Cart - emulated by Altirra