Crazycolorz5 has made it in FE8U: Click Here!
But, it does not work well in FE8J (of course as well in FEU-cn), so I take time to figure it out:
PUSH
// Remove arrow wiggling advancing RN (FE8J)
ORG 0x1A436
BYTE $00 $20 $00 $00
ORG 0x1A442
BYTE $00 $20 $00 $00
ORG 0x1A44E
BYTE $00 $20 $00 $00
POP