Imported from GitHub: letoine/NeoGeoControllerToUSB · commit f1e676e · license GPL-3.0

Description

Simple adapter that transforms a NeoGeo controller into a USB controller.

README

NeoGeoControllerToUSB

Simple adapter that transforms a NeoGeo controller into a USB controller.

NeoGeo controller pinout

NeoGeo controller connector is a DB15. NeoGeo controller only has four (4) buttons (A, B, C, D). The D button is connected to pins 9 and 4, but the console only cheks for pin 4. Pins 10 and 2 are not connected.

Some superguns uses a DB15 for the controller with a compatible pinout. These superguns are using the non-connected pins to support games with more than four buttons, like capcom games using the kick-harness.

DB15 pinout controller

\ 1 2 3 4 5 6 7 8 / \ 9 10 11 12 13 14 15 /

pin	function	comment
1	+5V
2	Down
3	Right
4	B button
5	D button
6	Select
7	NC/Kick1	Not connected on NeoGeo, used for kick in superguns.
8	GND
9	Up
10	Left
11	A button
12	C button
13	Start
14	NC/Kick3	Not connected on NeoGeo, used for kick in superguns.
15	D button/Kick2	Not read by console, used for kick in superguns.

ATMega pins/Controller mapping

IO	DB-Pin	button
PB0	4	B
PB1	12	C
PB2	5	D
PB3	6	Select
PB4	13	Start
PB5	7	Kick_1
PB6	14	Kick_3
PB7	15	D/Kick_2
PC2	11	A
PD0	10	Left
PD1	9	Up
PD2	-	-
PD3	-	-
PD4	2	Down
PD5	3	Right
PD6	-	-
PD7	-	-