diff --git a/games-emulation/mame/mame-0.276.recipe b/games-emulation/mame/mame-0.277.recipe
similarity index 98%
rename from games-emulation/mame/mame-0.276.recipe
rename to games-emulation/mame/mame-0.277.recipe
index fc33b6403..bd167ce74 100644
--- a/games-emulation/mame/mame-0.276.recipe
+++ b/games-emulation/mame/mame-0.277.recipe
@@ -15,7 +15,7 @@ COPYRIGHT="1997-2024 MAMEDev and contributors"
 LICENSE="GNU GPL v2"
 REVISION="1"
 SOURCE_URI="https://github.com/mamedev/mame/archive/mame${portVersion/./}.tar.gz"
-CHECKSUM_SHA256="965dfc33d720b4c3c6e425d5959540bd0bac88e96b878a8560678c2f5b43c44f"
+CHECKSUM_SHA256="60055b19fc96306927257c5ffc265ecebcbe5c944cf98113d4d78f6304556c67"
 SOURCE_FILENAME="mame-$portVersion.tar.gz"
 SOURCE_DIR="mame-mame${portVersion/./}"
 PATCHES="mame-$portVersion.patchset"
diff --git a/games-emulation/mame/patches/mame-0.276.patchset b/games-emulation/mame/patches/mame-0.277.patchset
similarity index 96%
rename from games-emulation/mame/patches/mame-0.276.patchset
rename to games-emulation/mame/patches/mame-0.277.patchset
index 2993cb178..62f4773ea 100644
--- a/games-emulation/mame/patches/mame-0.276.patchset
+++ b/games-emulation/mame/patches/mame-0.277.patchset
@@ -1,4 +1,4 @@
-From 10dd29c70b56de76f9ed761024a68569e86f363d Mon Sep 17 00:00:00 2001
+From 8750f4b58380e36b325ed359fc206e9279d5a397 Mon Sep 17 00:00:00 2001
 From: Gerasim Troeglazov <3dEyes@gmail.com>
 Date: Wed, 10 Jun 2020 22:35:16 +1000
 Subject: Haiku patches
@@ -676,29 +676,29 @@ index f0782db..5a3a636 100644
  #define PLATFORM_WINDOWS  (1)
  #define PLATFORM_STRING   "windows"
 diff --git a/makefile b/makefile
-index 5aa597e..0076c4c 100644
+index 78351e7..08ae8de 100644
 --- a/makefile
 +++ b/makefile
-@@ -223,6 +223,7 @@ GENIEOS := darwin
- endif
- ifeq ($(firstword $(filter Haiku,$(UNAME))),Haiku)
+@@ -230,6 +230,7 @@ OS := macosx
+ GENIEOS := darwin
+ else ifeq ($(firstword $(filter Haiku,$(UNAME))),Haiku)
  OS := haiku
 +GENIEOS := haiku
  endif
+ 
  ifndef OS
- $(error Unable to detect OS from uname -a: $(UNAME))
-@@ -494,6 +495,10 @@ endif
- ifeq ($(TARGETOS),asmjs)
- OSD := sdl
+@@ -532,6 +533,10 @@ PARAMS += --CC='$(OVERRIDE_CC)'
+ ifndef CROSS_BUILD
+ CC := $(OVERRIDE_CC)
  endif
 +
 +ifeq ($(TARGETOS),haiku)
 +OSD := sdl
 +endif
  endif
- 
- #-------------------------------------------------
-@@ -1515,6 +1520,28 @@ openbsd_x86_clang: generate $(PROJECTDIR)/$(MAKETYPE)-openbsd-clang/Makefile
+ ifdef OVERRIDE_CXX
+ PARAMS += --CXX='$(OVERRIDE_CXX)'
+@@ -1466,6 +1471,28 @@ openbsd_x86_clang: generate $(PROJECTDIR)/$(MAKETYPE)-openbsd-clang/Makefile
  	$(SILENT) $(MAKE) -C $(PROJECTDIR)/$(MAKETYPE)-openbsd-clang config=$(CONFIG)32 precompile
  	$(SILENT) $(MAKE) -C $(PROJECTDIR)/$(MAKETYPE)-openbsd-clang config=$(CONFIG)32
  
@@ -728,7 +728,7 @@ index 5aa597e..0076c4c 100644
  # Clean/bootstrap
  #-------------------------------------------------
 diff --git a/scripts/toolchain.lua b/scripts/toolchain.lua
-index 3181d25..6c0af7e 100644
+index 59e8bdb..c730cd7 100644
 --- a/scripts/toolchain.lua
 +++ b/scripts/toolchain.lua
 @@ -34,6 +34,7 @@ newoption {
@@ -739,7 +739,7 @@ index 3181d25..6c0af7e 100644
  	},
  }
  
-@@ -162,6 +163,10 @@ function toolchain(_buildDir, _subDir)
+@@ -157,6 +158,10 @@ function toolchain(_buildDir, _subDir)
  			location (_buildDir .. "projects/" .. _subDir .. "/".. _ACTION .. "-linux-clang")
  		end
  
@@ -748,9 +748,9 @@ index 3181d25..6c0af7e 100644
 +		end
 +
  		if "mingw32-gcc" == _OPTIONS["gcc"] then
- 			if not os.getenv("MINGW32") then
- 				print("Set MINGW32 envrionment variable.")
-@@ -211,6 +216,10 @@ function toolchain(_buildDir, _subDir)
+ 			if toolchainPrefix == nil or toolchainPrefix == "" then
+ 				if not os.getenv("MINGW32") then
+@@ -206,6 +211,10 @@ function toolchain(_buildDir, _subDir)
  			premake.gcc.ar  = toolchainPrefix .. "ar"
  			location (_buildDir .. "projects/" .. _subDir .. "/".. _ACTION .. "-osx-clang")
  		end
@@ -799,10 +799,10 @@ index 57ff069..e0ff74e 100644
  #include <termios.h>
  #include <libutil.h>
 -- 
-2.45.2
+2.48.1
 
 
-From f3503458fabb420563a87537dacd758678c4394b Mon Sep 17 00:00:00 2001
+From d5e923e7c1ba3c8e16599c45a2ac932da073a52a Mon Sep 17 00:00:00 2001
 From: Gerasim Troeglazov <3dEyes@gmail.com>
 Date: Thu, 11 Jun 2020 08:59:34 +1000
 Subject: Use stat Haiku
@@ -840,10 +840,10 @@ index dab8620..ceb2263 100644
  					_out.type = FileType::File;
  					_out.size = UINT64_MAX;
 -- 
-2.45.2
+2.48.1
 
 
-From d977802f8be05829bd2886149cc711f88f453578 Mon Sep 17 00:00:00 2001
+From 0488c4a5961b38cacfaaf50be669877ed9b66afd Mon Sep 17 00:00:00 2001
 From: Gerasim Troeglazov <3dEyes@gmail.com>
 Date: Thu, 11 Jun 2020 09:00:11 +1000
 Subject: Disable ptty
@@ -863,17 +863,17 @@ index e0ff74e..39a0a5a 100644
  #else // defined(__ANDROID__)
  	// TODO: handling of the slave path is insecure - should use ptsname_r/ttyname_r in a loop
 -- 
-2.45.2
+2.48.1
 
 
-From 3b62a99e664720a3a8c16e4b70c064e852d48da0 Mon Sep 17 00:00:00 2001
+From 05f9b98fd6e385f2eb1044bfbb006ce787868f72 Mon Sep 17 00:00:00 2001
 From: PulkoMandy <pulkomandy@pulkomandy.tk>
 Date: Fri, 5 Aug 2022 19:24:12 +0200
 Subject: Allow use of Qt Debugger on Haiku
 
 
 diff --git a/scripts/src/osd/sdl.lua b/scripts/src/osd/sdl.lua
-index 3115c4d..91389aa 100644
+index 93dba9a..79a69f1 100644
 --- a/scripts/src/osd/sdl.lua
 +++ b/scripts/src/osd/sdl.lua
 @@ -259,14 +259,16 @@ if BASE_TARGETOS=="unix" then
@@ -902,17 +902,17 @@ index 3115c4d..91389aa 100644
  		local str = backtick(sdlconfigcmd() .. " --libs")
  		addlibfromstring(str)
 -- 
-2.45.2
+2.48.1
 
 
-From 5f2043102e59e1ff604bba7af5da70400d8b7964 Mon Sep 17 00:00:00 2001
+From 2bc790bed38750d54cd6f7c084e6d8ff0cdc6cb4 Mon Sep 17 00:00:00 2001
 From: Alex Brown <mail@alexbrown.info>
 Date: Sat, 14 Oct 2023 11:26:57 +0100
 Subject: toolchain.lua: set targetdir for Haiku
 
 
 diff --git a/scripts/toolchain.lua b/scripts/toolchain.lua
-index 6c0af7e..5042979 100644
+index c730cd7..5069f04 100644
 --- a/scripts/toolchain.lua
 +++ b/scripts/toolchain.lua
 @@ -61,7 +61,8 @@ function androidToolchainRoot()
@@ -925,7 +925,7 @@ index 6c0af7e..5042979 100644
  		}
  		android.toolchainRoot = (os.getenv("ANDROID_NDK_HOME") or "") .. "/toolchains/llvm/prebuilt/" .. hostTags[os.get()]
  	end
-@@ -609,6 +610,30 @@ function toolchain(_buildDir, _subDir)
+@@ -604,6 +605,30 @@ function toolchain(_buildDir, _subDir)
  	configuration { "osx*", "arm64", "Release" }
  		targetdir (_buildDir .. "osx_clang" .. "/bin/x64/Release")
  
@@ -957,20 +957,20 @@ index 6c0af7e..5042979 100644
  		targetdir (_buildDir .. "osx_clang" .. "/bin/x64/Debug")
  
 -- 
-2.45.2
+2.48.1
 
 
-From 402435ef9a45d1e010b24114fda9cf287c491634 Mon Sep 17 00:00:00 2001
+From 636f530628959f4ef15efcc5ab22cbed1259c2c3 Mon Sep 17 00:00:00 2001
 From: Alex Brown <mail@alexbrown.info>
 Date: Sat, 14 Oct 2023 09:14:19 +0100
 Subject: Set LinkSupportCircularDependencies for Haiku
 
 
 diff --git a/scripts/genie.lua b/scripts/genie.lua
-index fab53da..6c863f0 100644
+index 819b753..926b60e 100644
 --- a/scripts/genie.lua
 +++ b/scripts/genie.lua
-@@ -1241,6 +1241,11 @@ configuration { "freebsd or netbsd" }
+@@ -1183,6 +1183,11 @@ configuration { "freebsd or netbsd" }
  			"LinkSupportCircularDependencies",
  		}
  
@@ -983,5 +983,5 @@ index fab53da..6c863f0 100644
  		links {
  			"pthread",
 -- 
-2.45.2
+2.48.1