Correctly linking extension code to existing ROM code

My application has most of its code in ROM. However, the functionality can be extended with code in RAM. The RAM can be switched between CODE and XDATA. For extensions, the RAM is switched into XDATA...
Correctly linking extension code to existing ROM code

My application has most of its code in ROM. However, the functionality can be extended with code in RAM. The RAM can be switched between CODE and XDATA. For extensions, the RAM is switched into XDATA...
How to link existing OBJs ?

I met the "UNRESOLVED EXTERNAL SYMBOL" problem when I try to build a target in uVision2. The linker can't find the existing OBJ which I don't have the source. How can I send this OBJ file to link with...
How to link existing OBJs ?

I met the "UNRESOLVED EXTERNAL SYMBOL" problem when I try to build a target in uVision2. The linker can't find the existing OBJ which I don't have the source. How can I send this OBJ file to link with...
How to start with an existing assembly code?

Hi, I have a project passed down by other ppl. I have an existing main.a51 and a HEX file. I'm using uVision2 for this prjt, but i do not know how to start with it as most of the example i saw is written...