Flycast

Flycast is the new generation NAOMI emulator, and comes with native RawInput support for lightguns and multiplayer.
Using DemulShooterX64 with Flycast will just fetch Outputs and will have no effect on the input system.

Latest compatible version tested Flycast v2.3 stable

Usage :

1. Run DemulShooterX64 for a Flycast game. Exemple:
   DemulShooterX64.exe -target=flycast -rom=confmiss

2. Run Flycast and the load the game

See DemulShooter Outputs wiki for supported games.

Note:

Please use the proper -target values for multi-region roms :
DemulShooterX64.exe -target=flycast -rom=ninjasltu if you are running ninjasltu rom (Ninja Assault, US)