Mednafen Saturn configuration sample

;===================================================
;--Window video scale--
ss.xscale 3
ss.yscale 3

;===================================================
;--Video filtering--
;ss.special hq4x
;ss.shader ipsharper
;--crt like shader--
;ss.shader goat

;===================================================
;Dealing with interlaced video game
;  ex: Athlete kings, Virtua Fighter 2
;===================================================
;video.deinterlacer bob_offset
;ss.shader sabr
;ss.tblur 1

;===================================================
;Gamepads-port
;===================================================
ss.input.port1 gamepad
ss.input.port2 none

;===================================================
;Digital PAD
;===================================================
;ss, Virtual Port 1, Digital Gamepad: DOWN ↓
ss.input.port1.gamepad.down keyboard 115

;ss, Virtual Port 1, Digital Gamepad: LEFT ←
ss.input.port1.gamepad.left keyboard 113

;ss, Virtual Port 1, Digital Gamepad: RIGHT →
ss.input.port1.gamepad.right keyboard 100

;ss, Virtual Port 1, Digital Gamepad: UP ↑
ss.input.port1.gamepad.up keyboard 122

;ss, Virtual Port 1, Digital Gamepad: START
ss.input.port1.gamepad.start keyboard 32

;ss, Virtual Port 1, Digital Gamepad: A
ss.input.port1.gamepad.a keyboard 106

;ss, Virtual Port 1, Digital Gamepad: B
ss.input.port1.gamepad.b keyboard 107

;ss, Virtual Port 1, Digital Gamepad: C
ss.input.port1.gamepad.c keyboard 108

;ss, Virtual Port 1, Digital Gamepad: X
ss.input.port1.gamepad.x keyboard 117

;ss, Virtual Port 1, Digital Gamepad: Y
ss.input.port1.gamepad.y keyboard 105

;ss, Virtual Port 1, Digital Gamepad: Z
ss.input.port1.gamepad.z keyboard 111

;ss, Virtual Port 1, Digital Gamepad: Left Shoulder
ss.input.port1.gamepad.ls keyboard 97

;ss, Virtual Port 1, Digital Gamepad: Right Shoulder
ss.input.port1.gamepad.rs keyboard 101

;===================================================
;3DPAD
;===================================================
;ss, Virtual Port 1, 3D Control Pad: Analog DOWN ↓
;ss.input.port1.3dpad.analog_down

;ss, Virtual Port 1, 3D Control Pad: Analog LEFT ←
;ss.input.port1.3dpad.analog_left

;ss, Virtual Port 1, 3D Control Pad: Analog RIGHT →
;ss.input.port1.3dpad.analog_right

;ss, Virtual Port 1, 3D Control Pad: Analog UP ↑
;ss.input.port1.3dpad.analog_up

;ss, Virtual Port 1, 3D Control Pad: D-Pad DOWN ↓
;ss.input.port1.3dpad.down

;ss, Virtual Port 1, 3D Control Pad: D-Pad LEFT ←
;ss.input.port1.3dpad.left

;ss, Virtual Port 1, 3D Control Pad: D-Pad RIGHT →
;ss.input.port1.3dpad.right

;ss, Virtual Port 1, 3D Control Pad: D-Pad UP ↑
;ss.input.port1.3dpad.up

;ss, Virtual Port 1, 3D Control Pad: START
;ss.input.port1.3dpad.start

;ss, Virtual Port 1, 3D Control Pad: A
;ss.input.port1.3dpad.a

;ss, Virtual Port 1, 3D Control Pad: B
;ss.input.port1.3dpad.b

;ss, Virtual Port 1, 3D Control Pad: C
;ss.input.port1.3dpad.c

;ss, Virtual Port 1, 3D Control Pad: X
;ss.input.port1.3dpad.x

;ss, Virtual Port 1, 3D Control Pad: Y
;ss.input.port1.3dpad.y

;ss, Virtual Port 1, 3D Control Pad: Z
;ss.input.port1.3dpad.z

;ss, Virtual Port 1, 3D Control Pad: Left Shoulder (Analog)
;ss.input.port1.3dpad.ls

;ss, Virtual Port 1, 3D Control Pad: Right Shoulder (Analog)
;ss.input.port1.3dpad.rs