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   comp.sys.apple2      Discussion about Apple II micros      56,720 messages   

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   Message 55,611 of 56,720   
   Anthony Ortiz to Michael J. Mahon   
   Re: Detect key at startup   
   18 Jul 22 22:23:09   
   
   From: anthonypaulo@gmail.com   
      
   On Saturday, July 16, 2022 at 6:07:49 PM UTC-4, Michael J. Mahon wrote:   
   > > Hey guys,    
   > >    
   > > My peripheral card acts as an accelerator (a faster 6502) so what I would    
   > > like to do is make it so that the card is enabled (Ie. acceleration is    
   > > enabled) whenever an extra key is detected during reboot.   
   > Since Reset must be assumed to reset the keyboard port along with the rest    
   > of the system, I suggest polling for a (code-generating) keypress within a    
   > short window (say, two seconds) *after* Reset. If the key is pressed during    
   > the window, clear the strobe (to “consume” the keypress) and then enable    
   > your card.   
   > --    
   > -michael - NadaNet 3.1 and AppleCrate II: http://michaeljmahon.com   
      
   Thanks Michael, that sounds like the proper thing to do. I'm guessing I should   
   check the open-apple paddle-button location to distinguish between a reset and   
   reboot.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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