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???
08/29/06 02:06
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#123250 - Holly Bad Ideas Batman!!
Responding to: ???'s previous message
first do it same way in C that worked in ASM.

second debounce the key.
-detect a press
-wait
-check again
-still pressed then press is valid.

- will need to do the same for the release.

Search for debouce here. There should be several threads.

third how can you be sure that a key will not be pressed during a display update.
Is this a comercial product? Keeping the display correct 100% of the time could be difficult.

List of 19 messages in thread
TopicAuthorDate
Detect Key is held down            01/01/70 00:00      
   Like a Debounce...?            01/01/70 00:00      
      Key held down            01/01/70 00:00      
         Holly Bad Ideas Batman!!            01/01/70 00:00      
            Remember the old CMOS setup for PC's?            01/01/70 00:00      
         (a bit of) the schematic would be helpful            01/01/70 00:00      
            Schematic            01/01/70 00:00      
               No            01/01/70 00:00      
                  Schematic            01/01/70 00:00      
                     Ok, why not do this            01/01/70 00:00      
                        I'll try            01/01/70 00:00      
                     Schematic            01/01/70 00:00      
                        "Typo"            01/01/70 00:00      
   Aside: Block comments            01/01/70 00:00      
      is that true?            01/01/70 00:00      
         Yes            01/01/70 00:00      
      Thank you            01/01/70 00:00      
      an element of style            01/01/70 00:00      
         I'd not            01/01/70 00:00      

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