[Coco] OS-9 Easter egg?

Robert Gault robert.gault at worldnet.att.net
Thu Oct 15 16:19:15 EDT 2009

mike delyea wrote:
> My Coco is in storage right now but has anybody seen this?
> The OS-9 operating system has a file manager called "SCF" which
> handles serial devices such as the console. One of the system calls
> available will "stuff" the input buffer with a string which can later
> be recalled by using the CTRL-A ("again") keyboard sequence.
> Microware programmers hid a credit string inside this buffer which you
> can obtain by typing "CTRL-A" on a serial prompt that has never been
> used (unless the program clears it).
> The easiest way to see this on most OS-9 systems is by pressing
> "CTRL-A" at the LOGIN prompt. On some versions, pressing CTRL-A at the
> OS-9 shell prompt when you first boot up will also produce it.

What you see will depend on whether you are using stock OS-9 or versions 
of NitrOS-9. The result will also depend on whether the Shell is stock 
or enhanced to replace CTRL-A with Shift ->.

Currently NitrOS-9 with Shift -> will display www.nitros9.org.

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