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02/04/02 10:47
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 		 #19370 - RE: Swap RAM and ROM in a Single Addr. S
Hi Ivan,

I have never seen, that an 8051 development board was build in this manner.

Always the RAM was was fixed at 8000h (or 4000h on using Keil) and the program, which run from RAM was linked to 8000h.

Furthermore all interrupt vectors in the EPROM are redirected with an offset of 8000h:
org 3
ljmp $ + 8000h
org 0bh
ljmp $ + 8000h

and so on

Peter

List of 17 messages in thread
TopicAuthorDate
Swap RAM and ROM in a Single Addr. Space            01/01/70 00:00      
RE: Swap RAM and ROM in a Single Addr. Space            01/01/70 00:00      
RE: Swap RAM and ROM in a Single Addr. S            01/01/70 00:00      
RE: Swap RAM and ROM in a Single Addr. Space            01/01/70 00:00      
RE: Swap RAM and ROM in a Single Addr. Space            01/01/70 00:00      
RE: Swap RAM and ROM in a Single Addr. S            01/01/70 00:00      
RE: Swap RAM and ROM in a Single Addr. Space            01/01/70 00:00      
RE: Swap RAM and ROM in a Single Addr. S            01/01/70 00:00      
RE: Swap RAM and ROM in a Single Addr. Space            01/01/70 00:00      
RE: Swap RAM and ROM in a Single Addr. S            01/01/70 00:00      
RE: Swap RAM and ROM in a Single Addr. S            01/01/70 00:00      
RE: Swap RAM and ROM in a Single Addr. S            01/01/70 00:00      
RE: Swap RAM and ROM in a Single Addr. Space            01/01/70 00:00      
RE: Swap RAM and ROM in a Single Addr. S            01/01/70 00:00      
RE: Swap RAM and ROM in a Single Addr. Space            01/01/70 00:00      
RE: Swap RAM and ROM in a Single Addr. S            01/01/70 00:00      
RE: Swap RAM and ROM in a Single Addr. S            01/01/70 00:00      

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