A.4.3 Referencing the Address of a Section

The size and start address of a section that were specified as operands using the SIZEOF and TOPOF operators are handled as values.

[Example]

...
MVTC        #(TOPOF SU + SIZEOF SU),USP
; Sets the user stack area address to USP as (SU start address + SU size)
MVTC        #(TOPOF SI + SIZEOF SI),ISP
; Sets the interrupt stack area address to ISP as (SI start address + SI size)
 ...