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Re: AppleMouse firmware easter egg



On Friday, July 27, 2012 12:19:42 AM UTC+1, D Finnigan wrote:
> I found an easter egg in the AppleMouse card firmware last evening by
> 
> accident. As far as I know, I am the first person to report this discovery,
> 
> unless it appears in some magazine unknown to me.
> 
> 
> 
> First enter the Monitor with your AppleMouse card in slot 4. Press Control-E
> 
> to modify the CPU registers. Modify X to be C4 and Y to be 40.
> 
> 
> 
> Then type C4F0G
> 
> 
> 
> The screen will clear and the following is displayed:
> 
> 
> 
> AppleMouse
> 
> Copyright 1983 by Apple Computer, Inc.
> 
> Bachman/Marks/MacKay
> 
> 
> 
> and you will return to the Monitor.
> 
> 
> 
> Bachman probably refers to Fern Bachman, and I suppose Marks refers to
> 
> Bennet Marks. MacKay still eludes me.
> 
> 
> 
> -- 
> 
> ]DF$
> 
> Apple II Book: http://macgui.com/newa2guide/
> 
> Mac GUI Vault: http://macgui.com/vault/
> 
> Usenet Archive: http://macgui.com/usenet/

Nice find!

btw, I had to look up the ctrl-e monitor cmd. For those that don't know it (to set A,X,Y):
CTRL-E
:FF C4 40<CR>