diff --git a/Apple2Mac/Apple2Mac.xcodeproj/project.pbxproj b/Apple2Mac/Apple2Mac.xcodeproj/project.pbxproj
index a9cf6c8b..78c5c148 100644
--- a/Apple2Mac/Apple2Mac.xcodeproj/project.pbxproj
+++ b/Apple2Mac/Apple2Mac.xcodeproj/project.pbxproj
@@ -126,6 +126,14 @@
 		4E1733E41C2C5F7A00CDF9DF /* AppleViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 4E1733DD1C2C5E5D00CDF9DF /* AppleViewController.m */; };
 		4ECBEADF1C3432010046F537 /* speedtest.dsk in Resources */ = {isa = PBXBuildFile; fileRef = 4ECBEADD1C3432010046F537 /* speedtest.dsk */; };
 		4ECBEAE01C3432010046F537 /* testvm1.dsk in Resources */ = {isa = PBXBuildFile; fileRef = 4ECBEADE1C3432010046F537 /* testvm1.dsk */; };
+		4ECFC39E1C368620008E2633 /* flapple140.po in Resources */ = {isa = PBXBuildFile; fileRef = 4ECFC39B1C368620008E2633 /* flapple140.po */; };
+		4ECFC39F1C368620008E2633 /* mystery.dsk in Resources */ = {isa = PBXBuildFile; fileRef = 4ECFC39C1C368620008E2633 /* mystery.dsk */; };
+		4ECFC3A01C368620008E2633 /* NSCT.dsk in Resources */ = {isa = PBXBuildFile; fileRef = 4ECFC39D1C368620008E2633 /* NSCT.dsk */; };
+		4ECFC3A11C368643008E2633 /* NSCT.dsk in CopyFiles */ = {isa = PBXBuildFile; fileRef = 4ECFC39D1C368620008E2633 /* NSCT.dsk */; };
+		4ECFC3A21C368645008E2633 /* flapple140.po in CopyFiles */ = {isa = PBXBuildFile; fileRef = 4ECFC39B1C368620008E2633 /* flapple140.po */; };
+		4ECFC3A31C368647008E2633 /* mystery.dsk in CopyFiles */ = {isa = PBXBuildFile; fileRef = 4ECFC39C1C368620008E2633 /* mystery.dsk */; };
+		4ECFC3A41C368649008E2633 /* speedtest.dsk in CopyFiles */ = {isa = PBXBuildFile; fileRef = 4ECBEADD1C3432010046F537 /* speedtest.dsk */; };
+		4ECFC3A51C36864B008E2633 /* testvm1.dsk in CopyFiles */ = {isa = PBXBuildFile; fileRef = 4ECBEADE1C3432010046F537 /* testvm1.dsk */; };
 		4EEF0E8A1C3536A3001BEB67 /* disksViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 4EEF0E891C3536A3001BEB67 /* disksViewController.m */; };
 		773B3D101956885A0085CE5F /* Cocoa.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 773B3D0F1956885A0085CE5F /* Cocoa.framework */; };
 		773B3D1A1956885A0085CE5F /* InfoPlist.strings in Resources */ = {isa = PBXBuildFile; fileRef = 773B3D181956885A0085CE5F /* InfoPlist.strings */; };
@@ -352,19 +360,23 @@
 		};
 		4E1733EF1C2E955700CDF9DF /* CopyFiles */ = {
 			isa = PBXCopyFilesBuildPhase;
-			buildActionMask = 2147483647;
+			buildActionMask = 8;
 			dstPath = ./disks;
 			dstSubfolderSpec = 16;
 			files = (
+				4ECFC3A11C368643008E2633 /* NSCT.dsk in CopyFiles */,
+				4ECFC3A21C368645008E2633 /* flapple140.po in CopyFiles */,
+				4ECFC3A51C36864B008E2633 /* testvm1.dsk in CopyFiles */,
+				4ECFC3A41C368649008E2633 /* speedtest.dsk in CopyFiles */,
+				4ECFC3A31C368647008E2633 /* mystery.dsk in CopyFiles */,
 			);
-			runOnlyForDeploymentPostprocessing = 0;
+			runOnlyForDeploymentPostprocessing = 1;
 		};
 /* End PBXCopyFilesBuildPhase section */
 
 /* Begin PBXFileReference section */
 		4A2636F819FDEDB700DBFB00 /* Apple2Mac.help */ = {isa = PBXFileReference; lastKnownFileType = folder; path = Apple2Mac.help; sourceTree = "<group>"; };
 		4A61119B1A6A1DE60035F7DE /* blank.po.gz */ = {isa = PBXFileReference; lastKnownFileType = archive.gzip; path = blank.po.gz; sourceTree = "<group>"; };
-		4A6111A21A6A1DFC0035F7DE /* flapple140.po.gz */ = {isa = PBXFileReference; lastKnownFileType = archive.gzip; path = flapple140.po.gz; sourceTree = "<group>"; };
 		4A7EDC911AE092680072E98A /* glhudmodel.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = glhudmodel.c; sourceTree = "<group>"; };
 		4A7EDC921AE092680072E98A /* glnode.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = glnode.c; sourceTree = "<group>"; };
 		4A7EDC9D1AE092B80072E98A /* interface.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = interface.c; sourceTree = "<group>"; };
@@ -377,7 +389,6 @@
 		4ADC523019E8D3F600186B36 /* blank.dsk.gz */ = {isa = PBXFileReference; lastKnownFileType = archive.gzip; path = blank.dsk.gz; sourceTree = "<group>"; };
 		4ADC523119E8D3F600186B36 /* blank.nib.gz */ = {isa = PBXFileReference; lastKnownFileType = archive.gzip; path = blank.nib.gz; sourceTree = "<group>"; };
 		4ADC523219E8D3F600186B36 /* etc.dsk.gz */ = {isa = PBXFileReference; lastKnownFileType = archive.gzip; path = etc.dsk.gz; sourceTree = "<group>"; };
-		4ADC523319E8D3F600186B36 /* mystery.dsk.gz */ = {isa = PBXFileReference; lastKnownFileType = archive.gzip; path = mystery.dsk.gz; sourceTree = "<group>"; };
 		4ADC523419E8D3F600186B36 /* README */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = README; sourceTree = "<group>"; };
 		4ADC523619E8D3F600186B36 /* speedtest.txt */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = speedtest.txt; sourceTree = "<group>"; };
 		4ADC523719E8D3F600186B36 /* testdisplay1.dsk.gz */ = {isa = PBXFileReference; lastKnownFileType = archive.gzip; path = testdisplay1.dsk.gz; sourceTree = "<group>"; };
@@ -402,6 +413,9 @@
 		4E4E62A01C2C5B56002E324F /* iosPrefControllerViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = iosPrefControllerViewController.m; sourceTree = "<group>"; };
 		4ECBEADD1C3432010046F537 /* speedtest.dsk */ = {isa = PBXFileReference; lastKnownFileType = file; path = speedtest.dsk; sourceTree = "<group>"; };
 		4ECBEADE1C3432010046F537 /* testvm1.dsk */ = {isa = PBXFileReference; lastKnownFileType = file; path = testvm1.dsk; sourceTree = "<group>"; };
+		4ECFC39B1C368620008E2633 /* flapple140.po */ = {isa = PBXFileReference; lastKnownFileType = file; path = flapple140.po; sourceTree = "<group>"; };
+		4ECFC39C1C368620008E2633 /* mystery.dsk */ = {isa = PBXFileReference; lastKnownFileType = file; path = mystery.dsk; sourceTree = "<group>"; };
+		4ECFC39D1C368620008E2633 /* NSCT.dsk */ = {isa = PBXFileReference; lastKnownFileType = file; path = NSCT.dsk; sourceTree = "<group>"; };
 		4EEF0E881C3536A3001BEB67 /* disksViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = disksViewController.h; sourceTree = "<group>"; };
 		4EEF0E891C3536A3001BEB67 /* disksViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = disksViewController.m; sourceTree = "<group>"; };
 		773B3D0C1956885A0085CE5F /* Apple2Mac.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = Apple2Mac.app; sourceTree = BUILT_PRODUCTS_DIR; };
@@ -601,16 +615,17 @@
 		4ADC522F19E8D3F600186B36 /* Documents */ = {
 			isa = PBXGroup;
 			children = (
+				4ECFC39B1C368620008E2633 /* flapple140.po */,
+				4ECFC39C1C368620008E2633 /* mystery.dsk */,
+				4ECFC39D1C368620008E2633 /* NSCT.dsk */,
 				4AFC170F1AAE9CC000B215FA /* testdisplay1.nib.gz */,
 				4ECBEADD1C3432010046F537 /* speedtest.dsk */,
 				4ECBEADE1C3432010046F537 /* testvm1.dsk */,
 				4AFC17101AAE9CC000B215FA /* testvm1.nib.gz */,
-				4A6111A21A6A1DFC0035F7DE /* flapple140.po.gz */,
 				4A61119B1A6A1DE60035F7DE /* blank.po.gz */,
 				4ADC523019E8D3F600186B36 /* blank.dsk.gz */,
 				4ADC523119E8D3F600186B36 /* blank.nib.gz */,
 				4ADC523219E8D3F600186B36 /* etc.dsk.gz */,
-				4ADC523319E8D3F600186B36 /* mystery.dsk.gz */,
 				4ADC523419E8D3F600186B36 /* README */,
 				4ADC523619E8D3F600186B36 /* speedtest.txt */,
 				4ADC523719E8D3F600186B36 /* testdisplay1.dsk.gz */,
@@ -1257,11 +1272,14 @@
 				935C55431C12BCFD0013166D /* Apple2iOS-Info.plist in Resources */,
 				935C55461C12BE110013166D /* LaunchScreen.xib in Resources */,
 				935C55351C12BA5F0013166D /* Main.storyboard in Resources */,
+				4ECFC3A01C368620008E2633 /* NSCT.dsk in Resources */,
 				935C55921C1371AD0013166D /* Basic.vsh in Resources */,
 				4ECBEAE01C3432010046F537 /* testvm1.dsk in Resources */,
 				935C55911C1371AD0013166D /* Basic.fsh in Resources */,
+				4ECFC39E1C368620008E2633 /* flapple140.po in Resources */,
 				4ECBEADF1C3432010046F537 /* speedtest.dsk in Resources */,
 				93206C781C14E14000668153 /* Apple2iOS.strings in Resources */,
+				4ECFC39F1C368620008E2633 /* mystery.dsk in Resources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
diff --git a/Apple2Mac/Apple2Mac/AppleViewController.m b/Apple2Mac/Apple2Mac/AppleViewController.m
index 004e79d5..9eb248c5 100644
--- a/Apple2Mac/Apple2Mac/AppleViewController.m
+++ b/Apple2Mac/Apple2Mac/AppleViewController.m
@@ -40,7 +40,7 @@
 }
 
 
-- (IBAction)unwindToMainViewController:(UIStoryboardSegue*)sender
+- (IBAction)unwindForSegue:(UIStoryboardSegue*)sender
 {
  cpu_resume();
 }
diff --git a/Apple2Mac/Apple2Mac/disksViewController.m b/Apple2Mac/Apple2Mac/disksViewController.m
index 6f5b1c21..7a804461 100644
--- a/Apple2Mac/Apple2Mac/disksViewController.m
+++ b/Apple2Mac/Apple2Mac/disksViewController.m
@@ -65,6 +65,7 @@
 -(IBAction)goodbye:(id)sender
 {
     [self dismissViewControllerAnimated:YES completion:nil];
+    cpu_resume();
 }
 
 @end
diff --git a/Apple2Mac/Apple2Mac/iosPrefControllerViewController.m b/Apple2Mac/Apple2Mac/iosPrefControllerViewController.m
index 9ff11d17..4305bcf2 100644
--- a/Apple2Mac/Apple2Mac/iosPrefControllerViewController.m
+++ b/Apple2Mac/Apple2Mac/iosPrefControllerViewController.m
@@ -218,6 +218,7 @@
 -(IBAction)goodbye:(id)sender
 {
     [self dismissViewControllerAnimated:YES completion:nil];
+    cpu_resume();
 }
 - (IBAction)unwindToMainViewController:(UIStoryboardSegue*)sender
 {
diff --git a/Apple2Mac/Apple2iOS/Assets.xcassets/AppIcon.appiconset/2e-130.png b/Apple2Mac/Apple2iOS/Assets.xcassets/AppIcon.appiconset/2e-130.png
new file mode 100644
index 00000000..05c07b66
Binary files /dev/null and b/Apple2Mac/Apple2iOS/Assets.xcassets/AppIcon.appiconset/2e-130.png differ
diff --git a/Apple2Mac/Apple2iOS/Assets.xcassets/AppIcon.appiconset/2e-29.png b/Apple2Mac/Apple2iOS/Assets.xcassets/AppIcon.appiconset/2e-29.png
new file mode 100644
index 00000000..5a30f576
Binary files /dev/null and b/Apple2Mac/Apple2iOS/Assets.xcassets/AppIcon.appiconset/2e-29.png differ
diff --git a/Apple2Mac/Apple2iOS/Assets.xcassets/AppIcon.appiconset/2e-30.png b/Apple2Mac/Apple2iOS/Assets.xcassets/AppIcon.appiconset/2e-30.png
new file mode 100644
index 00000000..5a30f576
Binary files /dev/null and b/Apple2Mac/Apple2iOS/Assets.xcassets/AppIcon.appiconset/2e-30.png differ
diff --git a/Apple2Mac/Apple2iOS/Assets.xcassets/AppIcon.appiconset/2e-40.png b/Apple2Mac/Apple2iOS/Assets.xcassets/AppIcon.appiconset/2e-40.png
new file mode 100644
index 00000000..cd387599
Binary files /dev/null and b/Apple2Mac/Apple2iOS/Assets.xcassets/AppIcon.appiconset/2e-40.png differ
diff --git a/Apple2Mac/Apple2iOS/Assets.xcassets/AppIcon.appiconset/2e-41.png b/Apple2Mac/Apple2iOS/Assets.xcassets/AppIcon.appiconset/2e-41.png
new file mode 100644
index 00000000..cd387599
Binary files /dev/null and b/Apple2Mac/Apple2iOS/Assets.xcassets/AppIcon.appiconset/2e-41.png differ
diff --git a/Apple2Mac/Apple2iOS/Assets.xcassets/AppIcon.appiconset/2e-60.png b/Apple2Mac/Apple2iOS/Assets.xcassets/AppIcon.appiconset/2e-60.png
new file mode 100644
index 00000000..7b7f2a3f
Binary files /dev/null and b/Apple2Mac/Apple2iOS/Assets.xcassets/AppIcon.appiconset/2e-60.png differ
diff --git a/Apple2Mac/Apple2iOS/Assets.xcassets/AppIcon.appiconset/2e-76.png b/Apple2Mac/Apple2iOS/Assets.xcassets/AppIcon.appiconset/2e-76.png
new file mode 100644
index 00000000..b79a4caa
Binary files /dev/null and b/Apple2Mac/Apple2iOS/Assets.xcassets/AppIcon.appiconset/2e-76.png differ
diff --git a/Apple2Mac/Apple2iOS/Assets.xcassets/AppIcon.appiconset/Contents.json b/Apple2Mac/Apple2iOS/Assets.xcassets/AppIcon.appiconset/Contents.json
index eeea76c2..aaac398e 100644
--- a/Apple2Mac/Apple2iOS/Assets.xcassets/AppIcon.appiconset/Contents.json
+++ b/Apple2Mac/Apple2iOS/Assets.xcassets/AppIcon.appiconset/Contents.json
@@ -1,8 +1,9 @@
 {
   "images" : [
     {
-      "idiom" : "iphone",
       "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "2e-29.png",
       "scale" : "2x"
     },
     {
@@ -11,8 +12,9 @@
       "scale" : "3x"
     },
     {
-      "idiom" : "iphone",
       "size" : "40x40",
+      "idiom" : "iphone",
+      "filename" : "2e-40.png",
       "scale" : "2x"
     },
     {
@@ -21,8 +23,9 @@
       "scale" : "3x"
     },
     {
-      "idiom" : "iphone",
       "size" : "60x60",
+      "idiom" : "iphone",
+      "filename" : "2e-60.png",
       "scale" : "2x"
     },
     {
@@ -31,8 +34,9 @@
       "scale" : "3x"
     },
     {
-      "idiom" : "ipad",
       "size" : "29x29",
+      "idiom" : "ipad",
+      "filename" : "2e-30.png",
       "scale" : "1x"
     },
     {
@@ -41,8 +45,9 @@
       "scale" : "2x"
     },
     {
-      "idiom" : "ipad",
       "size" : "40x40",
+      "idiom" : "ipad",
+      "filename" : "2e-41.png",
       "scale" : "1x"
     },
     {
@@ -51,8 +56,9 @@
       "scale" : "2x"
     },
     {
-      "idiom" : "ipad",
       "size" : "76x76",
+      "idiom" : "ipad",
+      "filename" : "2e-76.png",
       "scale" : "1x"
     },
     {
@@ -61,8 +67,9 @@
       "scale" : "2x"
     },
     {
-      "idiom" : "ipad",
       "size" : "83.5x83.5",
+      "idiom" : "ipad",
+      "filename" : "2e-130.png",
       "scale" : "2x"
     }
   ],
diff --git a/Apple2Mac/Apple2iOS/Base.lproj/Main.storyboard b/Apple2Mac/Apple2iOS/Base.lproj/Main.storyboard
index a357a76f..8f6862e4 100644
--- a/Apple2Mac/Apple2iOS/Base.lproj/Main.storyboard
+++ b/Apple2Mac/Apple2iOS/Base.lproj/Main.storyboard
@@ -41,7 +41,6 @@
                                     <barButtonItem width="42" style="plain" systemItem="fixedSpace" id="c1a-uF-Awt"/>
                                     <barButtonItem title="Prefs" id="80q-oc-naJ">
                                         <connections>
-                                            <action selector="prefsItemSelected:" destination="dkx-z0-nzr" id="L1Z-h1-i72"/>
                                             <segue destination="fYd-cd-QfE" kind="presentation" id="Yi8-iq-9a7"/>
                                         </connections>
                                     </barButtonItem>
@@ -153,8 +152,7 @@
                     <navigationItem key="navigationItem" title="Preferences" id="9q5-Lx-gUn" userLabel="Preferences">
                         <barButtonItem key="leftBarButtonItem" title="Back" id="9ng-ES-puf">
                             <connections>
-                                <action selector="goodbye:" destination="tqd-Zi-o6N" id="8Bb-2b-KEk"/>
-                                <segue destination="JAm-8l-9Rz" kind="unwind" unwindAction="unwindToMainViewController:" id="CL2-0r-7P4"/>
+                                <action selector="goodbye:" destination="Bdv-8H-ns5" id="lwk-Ua-aCf"/>
                             </connections>
                         </barButtonItem>
                     </navigationItem>
@@ -170,7 +168,6 @@
                     </connections>
                 </viewController>
                 <placeholder placeholderIdentifier="IBFirstResponder" id="tqd-Zi-o6N" userLabel="First Responder" sceneMemberID="firstResponder"/>
-                <exit id="JAm-8l-9Rz" userLabel="Exit" sceneMemberID="exit"/>
             </objects>
             <point key="canvasLocation" x="1567.5" y="-865.14084507042253"/>
         </scene>
@@ -226,7 +223,7 @@
                     <navigationItem key="navigationItem" title="Disks" prompt="Choose Disks" id="PHz-oi-44l">
                         <barButtonItem key="leftBarButtonItem" title="Back" id="IIm-Ae-hIr">
                             <connections>
-                                <action selector="goodbye:" destination="0hZ-GM-FUh" id="SPE-yU-lXb"/>
+                                <action selector="goodbye:" destination="0hZ-GM-FUh" id="TZh-NX-sKe"/>
                             </connections>
                         </barButtonItem>
                     </navigationItem>
diff --git a/disks/NSCT.dsk b/disks/NSCT.dsk
new file mode 100644
index 00000000..fd932d92
Binary files /dev/null and b/disks/NSCT.dsk differ
diff --git a/disks/flapple140.po b/disks/flapple140.po
new file mode 100644
index 00000000..2231c298
Binary files /dev/null and b/disks/flapple140.po differ
diff --git a/disks/flapple140.po.gz b/disks/flapple140.po.gz
deleted file mode 100644
index 41f8d031..00000000
Binary files a/disks/flapple140.po.gz and /dev/null differ
diff --git a/disks/mystery.dsk b/disks/mystery.dsk
new file mode 100644
index 00000000..637e7ec3
Binary files /dev/null and b/disks/mystery.dsk differ
diff --git a/disks/mystery.dsk.gz b/disks/mystery.dsk.gz
deleted file mode 100644
index 801debaf..00000000
Binary files a/disks/mystery.dsk.gz and /dev/null differ
diff --git a/src/disk.c b/src/disk.c
index 85521439..cb29f250 100644
--- a/src/disk.c
+++ b/src/disk.c
@@ -747,6 +747,7 @@ const char *disk6_eject(int drive) {
             ERRLOG("Error close()ing file %s", disk6.disk[drive].file_name);
         }
 
+        /*
         // foo.dsk -> foo.dsk.gz
         err = zlib_deflate(disk6.disk[drive].file_name, is_nib(disk6.disk[drive].file_name) ? NIB_SIZE : DSK_SIZE);
         if (err) {
@@ -754,6 +755,7 @@ const char *disk6_eject(int drive) {
         } else {
             unlink(disk6.disk[drive].file_name);
         }
+         */
     }
 
     STRDUP_FREE(disk6.disk[drive].file_name);