mov     #0xFFFE, w1              ;load 0x0800 with 0xFFFE (65534)
mov.w   w1, 0x0800             

mov     #0x0002, w0              ;load WREG0 with 0x0002 (2)

mul     0x0800                   ; W3:W2 = F * W0
                                 ; W3:W2 = 1:FFFC (131068)