From: arne@vajhoej.dk   
      
   On 9/20/2025 9:10 PM, Arne Vajhøj wrote:   
   > On 9/20/2025 8:51 PM, Arne Vajhøj wrote:   
   >> On 9/20/2025 4:13 PM, John Dallman wrote:   
   >>> The VAX instruction set is quite nice in some ways and quite horrible in   
   >>> others. Some of those made it hard to make run very fast.   
   >>>   
   >>> The extremely variable-length instructions are a prime example.   
   >>   
   >> CASEx is probably the worst.   
   >>   
   >> Example of >100 bytes long:   
   >   
   > Correction:   
   >   
   >  >50 bytes long   
      
   But it is possible to make a 100 byte instruction.   
      
   If reusing jump destinations I guess it would be possible   
   to create a 32 KB instruction.   
      
   Arne   
      
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