i would recommend selecting one of these that close matches your modifications.
https://www.triumphtwinpower.com/triumph-twin-power-efi-tunes.php

easy to install and much easier than doing it all from scratch yourself (and I have)

05 speedmaster - 1100cc, 11:1 racing pistons, Carillo rods, thunderbike cams, ported and polished head, 2mm over intake and exhaust valves, Barnett kevlar clutch, scepter pipes, oversize manifolds, 45mm HSR's, TTP stage 4 firestarter