In SX Microcontrollers, SX/B Compiler and SX-Key Tool, Zoot wrote:

Add'l note to Bean's comments -- if you assign return value of a function to a Word, it will handle (automatically) assigning param1 and param2 to your main Word variable.

In any case, when you are in the SX-Key IDE w/SX/B compiler installed ----

HELP -> SX/B Help -> DEFINITIONS -> SUBROUTINE DECLARATIONS
and
HELP -> SX/B Help -> DEFINITIONS -> FUNCTION  DECLARATIONS

The function help in particular contains some good examples of checking paramcnt (number of parameters passed to a function when it is called) and multi-byte assignments back from the function.

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