diff --git a/extra/cocoa/cocoa.factor b/extra/cocoa/cocoa.factor
index 907d75fd84..744d577c0d 100755
--- a/extra/cocoa/cocoa.factor
+++ b/extra/cocoa/cocoa.factor
@@ -61,6 +61,7 @@ SYMBOL: super-sent-messages
         "NSOpenGLView"
         "NSOpenPanel"
         "NSPasteboard"
+        "NSPropertyListSerialization"
         "NSResponder"
         "NSSavePanel"
         "NSScreen"
diff --git a/extra/cocoa/plists/plists.factor b/extra/cocoa/plists/plists.factor
index 139e0840e1..bb73b8fac3 100644
--- a/extra/cocoa/plists/plists.factor
+++ b/extra/cocoa/plists/plists.factor
@@ -3,7 +3,7 @@
 USING: strings arrays hashtables assocs sequences
 cocoa.messages cocoa.classes cocoa.application cocoa kernel
 namespaces io.backend math cocoa.enumeration byte-arrays
-combinators alien.c-types ;
+combinators alien.c-types core-foundation ;
 IN: cocoa.plists
 
 GENERIC: >plist ( value -- plist )
@@ -24,8 +24,8 @@ M: sequence >plist
     [ >plist ] map <NSArray> ;
 
 : write-plist ( assoc path -- )
-    >r >plist
-    r> normalize-path <NSString> 0 -> writeToFile:atomically:
+    [ >plist ] [ normalize-path <NSString> ] bi* 0
+    -> writeToFile:atomically:
     [ "write-plist failed" throw ] unless ;
 
 DEFER: plist>
@@ -57,3 +57,13 @@ DEFER: plist>
         { [ dup NSDictionary -> isKindOfClass: c-bool> ] [ (plist-NSDictionary>)  ] }
         [ ]
     } cond ;
+
+: (read-plist) ( NSData -- id )
+    NSPropertyListSerialization swap kCFPropertyListImmutable f f <void*>
+    [ -> propertyListFromData:mutabilityOption:format:errorDescription: ] keep
+    *void* [ -> release "read-plist failed" throw ] when* ;
+
+: read-plist ( path -- assoc )
+    normalize-path <NSString>
+    NSData swap -> dataWithContentsOfFile:
+    [ (read-plist) plist> ] [ "read-plist failed" throw ] if* ;
diff --git a/extra/core-foundation/core-foundation.factor b/extra/core-foundation/core-foundation.factor
index c511a24320..5c3ccf6c80 100644
--- a/extra/core-foundation/core-foundation.factor
+++ b/extra/core-foundation/core-foundation.factor
@@ -43,6 +43,11 @@ TYPEDEF: int CFNumberType
 : kCFNumberCGFloatType 16 ; inline
 : kCFNumberMaxType 16 ; inline
 
+TYPEDEF: int CFPropertyListMutabilityOptions
+: kCFPropertyListImmutable                  0 ; inline
+: kCFPropertyListMutableContainers          1 ; inline
+: kCFPropertyListMutableContainersAndLeaves 2 ; inline
+
 FUNCTION: CFArrayRef CFArrayCreateMutable ( CFAllocatorRef allocator, CFIndex capacity, void* callbacks ) ;
 
 FUNCTION: void* CFArrayGetValueAtIndex ( CFArrayRef array, CFIndex idx ) ;
diff --git a/extra/game-input/backend/iokit/iokit.factor b/extra/game-input/backend/iokit/iokit.factor
index 1c778c6bb9..10e3220b3d 100644
--- a/extra/game-input/backend/iokit/iokit.factor
+++ b/extra/game-input/backend/iokit/iokit.factor
@@ -119,17 +119,20 @@ SINGLETON: iokit-game-input-backend
 : hat-switch? ( {usage-page,usage} -- ? )
     { 1 HEX: 39 } = ;
 
+: pov-values
+    {
+        pov-up pov-up-right pov-right pov-down-right
+        pov-down pov-down-left pov-left pov-up-left
+        pov-neutral
+    } ;
+
 : button-value ( value -- f/(0,1] )
     IOHIDValueGetIntegerValue dup zero? [ drop f ] when ;
 ! XXX calibration
 : axis-value ( value -- [-1,1] )
     kIOHIDValueScaleTypeCalibrated IOHIDValueGetScaledValue ;
-: slider-value ( value -- [0,1] )
-    kIOHIDValueScaleTypeCalibrated IOHIDValueGetScaledValue
-    1.0 + 0.5 * ;
 : pov-value ( value -- pov-direction )
-    ! XXX
-    IOHIDValueGetIntegerValue ;
+    IOHIDValueGetIntegerValue pov-values ?nth [ pov-neutral ] unless* ;
 
 : record-controller ( controller-state value -- )
     dup IOHIDValueGetElement element-usage {
@@ -140,7 +143,7 @@ SINGLETON: iokit-game-input-backend
         { [ dup rx-axis? ] [ drop axis-value >>rx drop ] }
         { [ dup ry-axis? ] [ drop axis-value >>ry drop ] }
         { [ dup rz-axis? ] [ drop axis-value >>rz drop ] }
-        { [ dup slider? ] [ drop slider-value >>slider drop ] }
+        { [ dup slider? ] [ drop axis-value >>slider drop ] }
         { [ dup hat-switch? ] [ drop pov-value >>pov drop ] }
         [ 3drop ]
     } cond ;
diff --git a/extra/game-input/game-input.factor b/extra/game-input/game-input.factor
index a2884b0746..85a1e2e454 100644
--- a/extra/game-input/game-input.factor
+++ b/extra/game-input/game-input.factor
@@ -17,8 +17,8 @@ M: controller-state clone
 
 SYMBOLS:
     pov-neutral
-    pov-up pov-up-left pov-left pov-down-left
-    pov-down pov-down-right pov-right pov-up-right ;
+    pov-up pov-up-right pov-right pov-down-right
+    pov-down pov-down-left pov-left pov-up-left ;
 
 HOOK: get-controllers game-input-backend ( -- sequence )