From bbb6f440ea0417c6fa9eca4b22780de61083ee4e Mon Sep 17 00:00:00 2001
From: Alex Ong <the.onga@gmail.com>
Date: Wed, 31 Oct 2018 11:43:53 +1100
Subject: [PATCH] NES/SNES Input pins changed to Pullup

There was noisy random input. Setting to pullup alleviates this.
---
 RetroJoystickAdapter.ino | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/RetroJoystickAdapter.ino b/RetroJoystickAdapter.ino
index 2d1ea0a..091cf3c 100644
--- a/RetroJoystickAdapter.ino
+++ b/RetroJoystickAdapter.ino
@@ -319,10 +319,10 @@ void interpretJoystickState(uint8_t j, uint8_t *status) {
 void setupJoysticks() {
   pinMode(LATCH1, OUTPUT);
   pinMode(CLOCK1, OUTPUT);
-  pinMode(DATA1, INPUT);
+  pinMode(DATA1, INPUT_PULLUP);
   pinMode(LATCH2, OUTPUT);
   pinMode(CLOCK2, OUTPUT);
-  pinMode(DATA2, INPUT);
+  pinMode(DATA2, INPUT_PULLUP);
 }
 
 #define latchlow digitalWrite(LATCH1, LOW); digitalWrite(LATCH2, LOW);