%import textio
%zeropage dontuse

main {

    sub start() {
;        cx16.rambank(4)
;        cx16.rambank(4)
;        cx16.rambank(4)
;        cx16.rambank(4)
;        cx16.rambank(4)
        ubyte xx
        xx = calc2(41, 12345)
        txt.print_ub(xx)        ; must be 99
        txt.nl()
    }

    inline sub calc2(ubyte a1, uword a2) -> ubyte {
        uword thesum
        thesum = a2 + a1
        return lsb(thesum)
    }
}