Z88 Easter Egg - Hidden Name in Pipedream

1. Turn your Z88 on.
2. Start Pipedream.
3. Type <> (diamond), then COBRA.
4. You'll hear a short beep, and you can finally see "Mark Colton" on the top of the screen.

Mark Colton has founded Colton Software, which has designed Pipedream for Z88 and ported it to many other computers like PC, etc.