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???
09/24/05 14:08
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#101487 - named return value
Responding to: ???'s previous message
Such techniques are common on C language and named a return value.

Typically every function can return a parameter to control the execution after it.

Instead a separate bit you can also use the carry flag to save code space or the F0/F1 flags inside the PSW.

On using the carry flag, please watch to set/clear it always prior RET and test it immediately after the CALL, since it can be changed easily by other instructions.


Peter


List of 24 messages in thread
TopicAuthorDate
RET to a different address            01/01/70 00:00      
   here is how pseudocode            01/01/70 00:00      
      RET to a different address            01/01/70 00:00      
         no flaw, but 1.000.000 gotchas            01/01/70 00:00      
            That's what I wanted to know            01/01/70 00:00      
               Yes            01/01/70 00:00      
               "clever"            01/01/70 00:00      
                  OT: my wife            01/01/70 00:00      
         no flaw, but seriously not recommended            01/01/70 00:00      
            experience            01/01/70 00:00      
               reload SP            01/01/70 00:00      
                  restoring stack            01/01/70 00:00      
         Recognisable string            01/01/70 00:00      
      named return value            01/01/70 00:00      
   Bad Practice            01/01/70 00:00      
      Well phrased            01/01/70 00:00      
   What I am doing with it            01/01/70 00:00      
      try...catch            01/01/70 00:00      
         setjmp / longjmp            01/01/70 00:00      
         when to try ... catch            01/01/70 00:00      
            the borderline            01/01/70 00:00      
               Promises            01/01/70 00:00      
                  who cares if an exceptiom is "acceptable            01/01/70 00:00      
      Parsing input data            01/01/70 00:00      

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