Peter Dannegger wrote:
I use it only on the command line:

C51 ... INTVECTOR(0x8000)

L51 ... CO(8000H)

Actually, I didn't know this was possible! I thought it could be done only in assembly. So there is no need for any swapping. Thanks!

Erik Malund wrote:
I do not see the use of RAMloaded programs as an application for the '51
it is a microCONTROLLER, not a general purpose computer.

Erik, it's only a general purpose system, a system without any real application. I mentioned earlier what had been the system requirements - some years ago, and all I wanted to know is how it worked.

Thank you, guys!

Ivan