From: johnl@taugh.com   
      
   It appears that moi   said:   
   >On 18/12/2025 01:34, John Levine wrote:   
   >> It appears that John Dallman  said:   
   >>> ] * "Trap and Emulate� is an illusion of compatibility"   
   >>> ]   * Performance differential is too great for most applications   
   >>>   
   >>> This is inevitably true nowadays, but wasn't when the idea was invented.   
   >>   
   >> For at least 20 years IBM's mainframes have used what they call millicode.   
   The   
   >> relatively simple instructions are implemented in hardware, and everything   
   else   
   >> in millicode, ...   
      
   >Typical IBM boosterism of a minor variant of an existing technique,   
   >as used (for range compatibility, etc) by the ICT 1900 Series in 1965   
   >and before that (for h/w economy) by the Ferranti Atlas and Orion.   
      
   I don't think they ever claimed it was a new idea, but they're definitely still   
   using it in computers that they are selling today.   
      
      
      
   --   
   Regards,   
   John Levine, johnl@taugh.com, Primary Perpetrator of "The Internet for   
   Dummies",   
   Please consider the environment before reading this e-mail. https://jl.ly   
      
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    * Origin: you cannot sedate... all the things you hate (1:229/2)