[cc65] "overlay" files

Hello,

due to memory limitations, I shall have to use some "overlaying" to  
load the required code from disk on demand. Now I start wondering what  
would be the best method to do this. Of course I can do everything "by  
hand" in assembler but I would prefer to use some of the smart cc65  
features if possible. I shall need at least two things:

1. Free the RAM occupied by the startup initialisation routines (mine,  
not CC65's) as those won't be needed after setting things up.

I would like to place those next to a larger data buffer, so that once  
the code is no longer needed, I would get a continuous memory chunk  
for the data buffer. I guess this can be done with a smart linker  
instructions.

2. Load appropriate "drivers" on demand into a static address space.

The "drivers" would all implement the same "protocol" (as it is called  
in Obj-C), i. e. a set of routines serving the same purpose but  
varying in implementation of course, probably with a jump table at the  
beginning.

Any quick hints / pointers?

Regards,

-- 
SD!
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