Re: Fwd: [hatari-devel] Re: IKBD, max keys?

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Le 23/07/2013 17:53, Douglas Little a écrit :
   - changes to map only allowed if the value *changes*, otherwise
*error* signal and 'stuck keys' (I do see this error occurring on a real
machine - but never on Hatari, which I think is telling)

Could you describe a scenario where you get this error or stuck keys results on real HW ? What do you mean by "error signal" ? An error packet sent by the hd6301 ?

Note that the HD6301 only has 16 bytes in its circular buffer to report keys to the host cpu through the acia. I would need to have a look at the HD6301 ROM to see how it handles simultaneous keys, but the very small amount of available ram (less than 128 bytes) is certainly the cause of this limiting behaviour.


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