diff --git a/.travis-build.sh b/.travis-build.sh
index 8440b4f5c..80361ddaf 100755
--- a/.travis-build.sh
+++ b/.travis-build.sh
@@ -23,11 +23,12 @@ if [ "$TRAVIS_OS_NAME" = "linux" -o -z "$TRAVIS_OS_NAME" ]; then
 elif [ "$TRAVIS_OS_NAME" = "osx" ]; then
     set -o pipefail
 
+    export MACOSX_DEPLOYMENT_TARGET=10.9
     export Qt5_DIR=$(brew --prefix)/opt/qt5
 
     mkdir build && cd build
     cmake .. -GXcode
-    xcodebuild -configuration Release | xcpretty -c
+    xcodebuild -configuration Release
 
     ctest -VV -C Release
 fi
diff --git a/.travis-deps.sh b/.travis-deps.sh
index aad9074bf..567a2543d 100755
--- a/.travis-deps.sh
+++ b/.travis-deps.sh
@@ -9,18 +9,26 @@ if [ "$TRAVIS_OS_NAME" = "linux" -o -z "$TRAVIS_OS_NAME" ]; then
     export CXX=g++-6
     mkdir -p $HOME/.local
 
-    curl -L http://www.cmake.org/files/v3.2/cmake-3.2.0-Linux-i386.tar.gz \
-        | tar -xz -C $HOME/.local --strip-components=1
+    if [ ! -e $HOME/.local/bin/cmake ]; then
+        echo "CMake not found in the cache, get and extract it..."
+        curl -L http://www.cmake.org/files/v3.2/cmake-3.2.0-Linux-i386.tar.gz \
+            | tar -xz -C $HOME/.local --strip-components=1
+    else
+        echo "Using cached CMake"
+    fi
 
-    (
+    if [ ! -e $HOME/.local/lib/libSDL2.la ]; then
+        echo "SDL2 not found in cache, get and build it..."
         wget http://libsdl.org/release/SDL2-2.0.4.tar.gz -O - | tar xz
         cd SDL2-2.0.4
         ./configure --prefix=$HOME/.local
         make -j4 && make install
-    )
+    else
+        echo "Using cached SDL2"
+    fi
+
 elif [ "$TRAVIS_OS_NAME" = "osx" ]; then
     brew update > /dev/null # silence the very verbose output
-    brew unlink cmake
+    brew unlink cmake || true
     brew install cmake qt5 sdl2 dylibbundler
-    gem install xcpretty
 fi
diff --git a/.travis.yml b/.travis.yml
index 8be395770..69f9ef273 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,6 +7,7 @@ matrix:
       dist: trusty
     - os: osx
       sudo: false
+      osx_image: xcode7.3
 
 env:
   global:
@@ -25,6 +26,10 @@ addons:
       - lib32stdc++6 # For CMake
       - lftp # To upload builds
 
+cache:
+  directories:
+    - $HOME/.local
+
 install: ./.travis-deps.sh
 script: ./.travis-build.sh
 after_success: ./.travis-upload.sh
diff --git a/src/audio_core/codec.cpp b/src/audio_core/codec.cpp
index ab65514b7..3e23323f1 100644
--- a/src/audio_core/codec.cpp
+++ b/src/audio_core/codec.cpp
@@ -58,11 +58,11 @@ StereoBuffer16 DecodeADPCM(const u8* const data, const size_t sample_count, cons
         size_t outputi = framei * SAMPLES_PER_FRAME;
         size_t datai = framei * FRAME_LEN + 1;
         for (size_t i = 0; i < SAMPLES_PER_FRAME && outputi < sample_count; i += 2) {
-            const s16 sample1 = decode_sample(SIGNED_NIBBLES[data[datai] & 0xF]);
+            const s16 sample1 = decode_sample(SIGNED_NIBBLES[data[datai] >> 4]);
             ret[outputi].fill(sample1);
             outputi++;
 
-            const s16 sample2 = decode_sample(SIGNED_NIBBLES[data[datai] >> 4]);
+            const s16 sample2 = decode_sample(SIGNED_NIBBLES[data[datai] & 0xF]);
             ret[outputi].fill(sample2);
             outputi++;