and finally a gallery to show up that we indeed support multitap in Famicom and (to some extent) Super Famicom/SNES

Kunio-kun no Nekketsu Soccer League 4P
[Linked Image from mamedev.emulab.it] [Linked Image from mamedev.emulab.it]

Ike Ike! Nekketsu Hockey Bu 4P (Player 1 vs Player 3, in the snaps)
[Linked Image from mamedev.emulab.it] [Linked Image from mamedev.emulab.it]

Kunio-kun no Dodge Ball dayo Zenin Shuugou! 4P
[Linked Image from mamedev.emulab.it] [Linked Image from mamedev.emulab.it]

Super Bomberman 5 3P (as written in the log, this game does not recognize P4 & P5)
[Linked Image from mamedev.emulab.it] [Linked Image from mamedev.emulab.it]

and no, I had no time to test if Secret of Mana recognizes P3 inputs because I had no save state handy... wink