How to develop source code for testing RAM in Assembly

Hi I need to develop a source code for testing RAM for 89c51. can any one help me how to develop source code.
How to develop source code for testing RAM in Assembly

Hi I need to develop a source code for testing RAM for 89c51. can any one help me how to develop source code.
Copying code from ROM to RAM for execution

I have to copy some code from ROM to RAM for execution. I'm using A51 and BL51. I need part of the code to 'assemble' such that the bytes are located in the ROM area to copy it, but 'compile' such...
Copying code from ROM to RAM for execution

I have to copy some code from ROM to RAM for execution. I'm using A51 and BL51. I need part of the code to 'assemble' such that the bytes are located in the ROM area to copy it, but 'compile' such...
Execute code from ram - When will the code be copied into the ram?

I configured a module in my code so that the functions will be executed from ram. I'm wondering now, when the code will be copied from flash into the ram? At startup? Unpredictable? Thanks for your...