From 3de1e585922618f26138f86ec0978884bccfbef7 Mon Sep 17 00:00:00 2001
From: Alcaro <floating@muncher.se>
Date: Sat, 23 Jan 2016 15:32:15 +0100
Subject: [PATCH] (Imageviewer) React only to freshly pressed inputs.

---
 cores/libretro-imageviewer/image_core.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/cores/libretro-imageviewer/image_core.c b/cores/libretro-imageviewer/image_core.c
index 3976f85e5c..cebd96dedf 100644
--- a/cores/libretro-imageviewer/image_core.c
+++ b/cores/libretro-imageviewer/image_core.c
@@ -298,6 +298,7 @@ void IMAGE_CORE_PREFIX(retro_run)(void)
    static int image_index = 0;
    uint16_t input         = 0;
    static uint16_t previnput;
+   uint16_t realinput     = 0;
    int i;
 
    IMAGE_CORE_PREFIX(input_poll_cb)();
@@ -312,9 +313,12 @@ void IMAGE_CORE_PREFIX(retro_run)(void)
    {
      if (IMAGE_CORE_PREFIX(input_state_cb)(0, RETRO_DEVICE_JOYPAD, 0, i))
      {
-        input |= 1<<i;
+        realinput |= 1<<i;
      }
    }
+   input = realinput & ~previnput;
+   previnput = realinput;
+
    if (input & (1<<RETRO_DEVICE_ID_JOYPAD_UP))
    {
       if ((image_index + 5) < (file_list->size - 1))