From: mutazilah@nospicedham.gmail.com   
      
   On Tuesday, November 29, 2022 at 5:08:37 AM UTC+8, anti...@nospi   
   edham.math.uni.wroc.pl wrote:   
      
   > Concerning debugging, integrated debug support is relatively   
   > late, but there were external circuits that could single   
   > step the processor, stop it on access to some specific   
   > address and similar. High-end systems on this sort were   
   > expensive, but established company could easily afford   
   > them.   
      
   By "integrated debug" I assume you mean things like   
   the TF triggering an interrupt. That doesn't sound like   
   something complicated. Is there a reason for it to be   
   "relatively late"?   
      
   Thanks. Paul.   
      
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