diff --git a/stella/src/macosx/stella.xcodeproj/project.pbxproj b/stella/src/macosx/stella.xcodeproj/project.pbxproj
index cfc95a9f1..7d75c94f0 100644
--- a/stella/src/macosx/stella.xcodeproj/project.pbxproj
+++ b/stella/src/macosx/stella.xcodeproj/project.pbxproj
@@ -275,6 +275,8 @@
 		DC09847C0D3983A80073C852 /* TrackBall22.hxx in Headers */ = {isa = PBXBuildFile; fileRef = DC09847A0D3983A80073C852 /* TrackBall22.hxx */; };
 		DC0984850D3985160073C852 /* CartSB.cxx in Sources */ = {isa = PBXBuildFile; fileRef = DC0984830D3985160073C852 /* CartSB.cxx */; };
 		DC0984860D3985160073C852 /* CartSB.hxx in Headers */ = {isa = PBXBuildFile; fileRef = DC0984840D3985160073C852 /* CartSB.hxx */; };
+		DC11F78D0DB36933003B505E /* MT24LC256.cxx in Sources */ = {isa = PBXBuildFile; fileRef = DC11F78B0DB36933003B505E /* MT24LC256.cxx */; };
+		DC11F78E0DB36933003B505E /* MT24LC256.hxx in Headers */ = {isa = PBXBuildFile; fileRef = DC11F78C0DB36933003B505E /* MT24LC256.hxx */; };
 		DC4613670D92C03600D8DAB9 /* RomAuditDialog.cxx in Sources */ = {isa = PBXBuildFile; fileRef = DC4613650D92C03600D8DAB9 /* RomAuditDialog.cxx */; };
 		DC4613680D92C03600D8DAB9 /* RomAuditDialog.hxx in Headers */ = {isa = PBXBuildFile; fileRef = DC4613660D92C03600D8DAB9 /* RomAuditDialog.hxx */; };
 		DC47455509C34BFA00EDDA3A /* BankRomCheat.cxx in Sources */ = {isa = PBXBuildFile; fileRef = DC47454A09C34BFA00EDDA3A /* BankRomCheat.cxx */; };
@@ -630,6 +632,8 @@
 		DC09847A0D3983A80073C852 /* TrackBall22.hxx */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; name = TrackBall22.hxx; path = ../emucore/TrackBall22.hxx; sourceTree = SOURCE_ROOT; };
 		DC0984830D3985160073C852 /* CartSB.cxx */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = CartSB.cxx; path = ../emucore/CartSB.cxx; sourceTree = SOURCE_ROOT; };
 		DC0984840D3985160073C852 /* CartSB.hxx */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; name = CartSB.hxx; path = ../emucore/CartSB.hxx; sourceTree = SOURCE_ROOT; };
+		DC11F78B0DB36933003B505E /* MT24LC256.cxx */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.cpp.cpp; name = MT24LC256.cxx; path = ../emucore/MT24LC256.cxx; sourceTree = SOURCE_ROOT; };
+		DC11F78C0DB36933003B505E /* MT24LC256.hxx */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.cpp.h; name = MT24LC256.hxx; path = ../emucore/MT24LC256.hxx; sourceTree = SOURCE_ROOT; };
 		DC4613650D92C03600D8DAB9 /* RomAuditDialog.cxx */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.cpp.cpp; name = RomAuditDialog.cxx; path = ../gui/RomAuditDialog.cxx; sourceTree = SOURCE_ROOT; };
 		DC4613660D92C03600D8DAB9 /* RomAuditDialog.hxx */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.cpp.h; name = RomAuditDialog.hxx; path = ../gui/RomAuditDialog.hxx; sourceTree = SOURCE_ROOT; };
 		DC47454A09C34BFA00EDDA3A /* BankRomCheat.cxx */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.cpp.cpp; name = BankRomCheat.cxx; path = ../cheat/BankRomCheat.cxx; sourceTree = SOURCE_ROOT; };
@@ -859,6 +863,8 @@
 		2D6050CC0898776500C6DE89 /* emucore */ = {
 			isa = PBXGroup;
 			children = (
+				DC11F78B0DB36933003B505E /* MT24LC256.cxx */,
+				DC11F78C0DB36933003B505E /* MT24LC256.hxx */,
 				DC487FB40DA5350900E12499 /* AtariVox.cxx */,
 				DC487FB50DA5350900E12499 /* AtariVox.hxx */,
 				DCA23AE70D75B22500F77B33 /* CartX07.cxx */,
@@ -1288,6 +1294,7 @@
 				DCA23AEA0D75B22500F77B33 /* CartX07.hxx in Headers */,
 				DC4613680D92C03600D8DAB9 /* RomAuditDialog.hxx in Headers */,
 				DC487FB70DA5350900E12499 /* AtariVox.hxx in Headers */,
+				DC11F78E0DB36933003B505E /* MT24LC256.hxx in Headers */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -1527,6 +1534,7 @@
 				DCA23AE90D75B22500F77B33 /* CartX07.cxx in Sources */,
 				DC4613670D92C03600D8DAB9 /* RomAuditDialog.cxx in Sources */,
 				DC487FB60DA5350900E12499 /* AtariVox.cxx in Sources */,
+				DC11F78D0DB36933003B505E /* MT24LC256.cxx in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};