Hi,
the second approach is good. However, you should write:

        mov     FSR,#variable

as you should set the ADDRESS of the variable rather than its content.
Your boss is wrong. RP0 stands for direct addressing only.

I hope this helps.

Imre

On Mon, 22 Feb 1999, Vincent Deno wrote:

> I'm currently using a 16C74 (running Clearview 16CXX emulator).  I
> ve been trying to use the FSR to access data in Bank 1.
>
> Does anyone know the proper way to do this?
>
> My boss said that RP0 will select the correct bank (for indirect
> addressing).  But that conflicts with the data sheet and doesn't work
> anyway.
>
> I tried defining the variable space (and the corresponding address) in
> Bank 0, and adding the page length to the FSR before addressing.  Ex:
>         org     20h
> variable        ds      1
>
> ..
> ..
> ..
>         org     somewhere_in_program
>
>         mov     FSR,variable
>         add     FSR,#80h        ; Adds the page length to the FSR.
>         INDF operation to perform on data.
>
> However, neither of these techniques work.  The second approach works
> until the address 0xC0, after which it doesn't affect any register.
>
> Any suggestions would be appreciated.
>
> Thanks,
>
> Vincent Deno
>
>