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???
03/14/10 05:36
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#174125 - The cost...
Responding to: ???'s previous message
Neil Kurzman said:
It costs you 8 bytes of data RAM.


Excellent point.

8 bytes of data RAM for each additional register bank you use. So if you had a multiple of ISRs that were tagged:

Using 1

Using 2

Using 3

You would be paying out 24 bytes of data RAM.

Michael Karas


List of 12 messages in thread
TopicAuthorDate
How to control PUSHes & POPs in interrupt?            01/01/70 00:00      
   Don't know in Keil but            01/01/70 00:00      
   What is the Code in the interupt?            01/01/70 00:00      
      Code in Interrupt            01/01/70 00:00      
         Once you use ASM, the optimiser gives up            01/01/70 00:00      
            OR            01/01/70 00:00      
         Questions            01/01/70 00:00      
   Use alternate register set...            01/01/70 00:00      
      Yes, That's it.            01/01/70 00:00      
         Using X            01/01/70 00:00      
            Just Remember            01/01/70 00:00      
               The cost...            01/01/70 00:00      

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