From: nowhere@never.at   
      
   On 17/11/2023 15:24, Robert Pengelly wrote:   
   ...   
      
   > "I store the X/Y limits to be used as bottom/right mouse limits"   
      
   > Yeah that is the plan eventually, I'm just testing things at the moment.  Am   
   I right by checking bit 4?  If I am then how do I know that it's not byte 2 or   
   3 that has bit 4 set?   
      
   on PS/2 you check bit3 with TEST AL,8   
   but b3 would only show up set in byte2&3 when a motion is reported,   
   so there is a good chance to see only 1st byte have b3 set.   
      
   But it is a crap design anyway, if you move your mouse fast it may jump   
   because of false indication of the sync bit.   
   __   
   wolfgang   
      
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