Limits N64 Fast Forwarding to devices with A9 or better

Delta.xcodeproj/project.pbxproj

@@ -141,6 +141,7 @@
 		BFC9B7391CEFCD34008629BB /* CheatsViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = BFC9B7381CEFCD34008629BB /* CheatsViewController.swift */; };
 		BFCEA67E1D56FF640061A534 /* UIViewControllerContextTransitioning+Conveniences.swift in Sources */ = {isa = PBXBuildFile; fileRef = BFCEA67D1D56FF640061A534 /* UIViewControllerContextTransitioning+Conveniences.swift */; };
 		BFD097211D3A01B8005A44C2 /* SaveStatesViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = BF3540041C5DA70400C1184C /* SaveStatesViewController.swift */; };
+		BFD1EF402336BD8800D197CF /* UIDevice+Processor.swift in Sources */ = {isa = PBXBuildFile; fileRef = BFD1EF3F2336BD8800D197CF /* UIDevice+Processor.swift */; };
 		BFDB3418219E4B1700595A62 /* SyncStatusViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = BFDB3417219E4B1700595A62 /* SyncStatusViewController.swift */; };
 		BFDD04F11D5E2C27002D450E /* GameCollectionViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = BFDD04F01D5E2C27002D450E /* GameCollectionViewController.swift */; };
 		BFDE2CD1222DF36A008038E0 /* SwiftyDropbox.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = BFDE2CC8222DF345008038E0 /* SwiftyDropbox.framework */; };
@@ -322,6 +323,7 @@
 		BFC6F7B71F435BC500221B96 /* Input+Display.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Input+Display.swift"; sourceTree = "<group>"; };
 		BFC9B7381CEFCD34008629BB /* CheatsViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = CheatsViewController.swift; sourceTree = "<group>"; };
 		BFCEA67D1D56FF640061A534 /* UIViewControllerContextTransitioning+Conveniences.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "UIViewControllerContextTransitioning+Conveniences.swift"; sourceTree = "<group>"; };
+		BFD1EF3F2336BD8800D197CF /* UIDevice+Processor.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "UIDevice+Processor.swift"; sourceTree = "<group>"; };
 		BFDB3417219E4B1700595A62 /* SyncStatusViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SyncStatusViewController.swift; sourceTree = "<group>"; };
 		BFDD04F01D5E2C27002D450E /* GameCollectionViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = GameCollectionViewController.swift; sourceTree = "<group>"; };
 		BFDE2CC6222DF345008038E0 /* Harmony_Dropbox.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; path = Harmony_Dropbox.framework; sourceTree = BUILT_PRODUCTS_DIR; };
@@ -398,6 +400,7 @@
 				BF1F45AC21AF57BA00EF9895 /* HarmonyMetadataKey+Keys.swift */,
 				BFFBD3D8224A0756002EFC79 /* URL+ExtendedAttributes.swift */,
 				BF647A6922FB8FCE0061D76D /* Bundle+SwizzleBundleID.swift */,
+				BFD1EF3F2336BD8800D197CF /* UIDevice+Processor.swift */,
 			);
 			path = Extensions;
 			sourceTree = "<group>";
@@ -1071,6 +1074,7 @@
 				BF5942891E09BC8B0051894B /* _GameCollection.swift in Sources */,
 				BF34FA111CF1899D006624C7 /* CheatTextView.swift in Sources */,
 				BF1F45AD21AF57BA00EF9895 /* HarmonyMetadataKey+Keys.swift in Sources */,
+				BFD1EF402336BD8800D197CF /* UIDevice+Processor.swift in Sources */,
 				BF71CF871FE90006001F1613 /* AppIconShortcutsViewController.swift in Sources */,
 				BF1DAD5D1D9F576000E752A7 /* SystemControllerSkinsViewController.swift in Sources */,
 				BFE022A01F5B57FF0052D888 /* PopoverMenuButton.swift in Sources */,

Delta/Emulation/GameViewController.swift

@@ -352,11 +352,18 @@ extension GameViewController
                 self.pausingGameController = gameController
             }
             
-            if self.game?.type == .ds
+            switch self.game?.type
             {
+            case .n64? where !UIDevice.current.hasA9ProcessorOrBetter:
+                // A8 processors and earlier aren't powerful enough to run N64 games faster than 1x speed.
+                pauseViewController.fastForwardItem = nil
+            
+            case .ds?:
                 // Cheats and Fast Forwarding are not yet supported for DS games.
                 pauseViewController.cheatCodesItem = nil
                 pauseViewController.fastForwardItem = nil
+                
+            default: break
             }
             
             self.pauseViewController = pauseViewController

Delta/Extensions/UIDevice+Processor.swift

@@ -0,0 +1,19 @@
+//
+//  UIDevice+Processor.swift
+//  Delta
+//
+//  Created by Riley Testut on 9/21/19.
+//  Copyright © 2019 Riley Testut. All rights reserved.
+//
+
+import UIKit
+import ARKit
+
+extension UIDevice
+{
+    var hasA9ProcessorOrBetter: Bool {
+        // ARKit is only supported by devices with an A9 processor or better, according to the documentation.
+        // https://developer.apple.com/documentation/arkit/arconfiguration/2923553-issupported
+        return ARConfiguration.isSupported
+    }
+}