From 574fad3a203442809c1181c38adba8bce0f828e4 Mon Sep 17 00:00:00 2001
From: Leon Styhre <leon@leonstyhre.com>
Date: Wed, 16 Aug 2023 18:49:53 +0200
Subject: [PATCH] Added Mesen standalone as an alternative emulator for the
 famicom, fds, gb, gbc, nes, pcengine, pcenginecd, satellaview, sfc, sgb,
 snes, snesna tg16 and tg-cd systems

---
 es-app/assets/Windows_Portable_README.txt          |  1 +
 resources/systems/unix/es_find_rules.xml           | 12 ++++++++++++
 resources/systems/unix/es_systems.xml              | 14 ++++++++++++++
 resources/systems/windows/es_find_rules.xml        | 10 ++++++++++
 .../systems/windows/es_find_rules_portable.xml     |  7 +++++++
 resources/systems/windows/es_systems.xml           | 14 ++++++++++++++
 6 files changed, 58 insertions(+)

diff --git a/es-app/assets/Windows_Portable_README.txt b/es-app/assets/Windows_Portable_README.txt
index 7f8ec2b60..f50ac6187 100644
--- a/es-app/assets/Windows_Portable_README.txt
+++ b/es-app/assets/Windows_Portable_README.txt
@@ -75,6 +75,7 @@ Emulators\m2emulator\EMULATOR.EXE
 Emulators\mame\mame.exe
 Emulators\mednafen\mednafen.exe
 Emulators\melonDS\melonDS.exe
+Emulators\Mesen\Mesen.exe
 Emulators\mGBA\mGBA.exe
 Emulators\mupen64plus\mupen64plus-ui-console.exe
 Emulators\openMSX\openmsx.exe
diff --git a/resources/systems/unix/es_find_rules.xml b/resources/systems/unix/es_find_rules.xml
index 7dfe82ba5..28ca10273 100644
--- a/resources/systems/unix/es_find_rules.xml
+++ b/resources/systems/unix/es_find_rules.xml
@@ -402,6 +402,18 @@
             <entry>~/.local/share/flatpak/exports/bin/net.kuribo64.melonDS</entry>
         </rule>
     </emulator>
+    <emulator name="MESEN">
+        <!-- Multi-system emulator Mesen -->
+        <rule type="systempath">
+            <entry>mesen2</entry>
+        </rule>
+        <rule type="staticpath">
+            <entry>~/Applications/Mesen*.AppImage</entry>
+            <entry>~/.local/share/applications/Mesen*.AppImage</entry>
+            <entry>~/.local/bin/Mesen*.AppImage</entry>
+            <entry>~/bin/Mesen*.AppImage</entry>
+        </rule>
+    </emulator>
     <emulator name="MGBA">
         <!-- Nintendo Game Boy Advance emulator mGBA -->
         <rule type="systempath">
diff --git a/resources/systems/unix/es_systems.xml b/resources/systems/unix/es_systems.xml
index b3163c107..c6147e6e9 100644
--- a/resources/systems/unix/es_systems.xml
+++ b/resources/systems/unix/es_systems.xml
@@ -531,6 +531,7 @@
         <path>%ROMPATH%/famicom</path>
         <extension>.fds .FDS .nes .NES .unf .UNF .unif .UNIF .7z .7Z .zip .ZIP</extension>
         <command label="Mesen">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/mesen_libretro.so %ROM%</command>
+        <command label="Mesen (Standalone)">%EMULATOR_MESEN% --fullscreen %ROM%</command>
         <command label="Nestopia UE">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/nestopia_libretro.so %ROM%</command>
         <command label="Nestopia UE (Standalone)">%EMULATOR_NESTOPIA-UE% --fullscreen %ROM%</command>
         <command label="FCEUmm">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/fceumm_libretro.so %ROM%</command>
@@ -571,6 +572,7 @@
         <path>%ROMPATH%/fds</path>
         <extension>.nes .NES .fds .FDS .unf .UNF .UNIF .UNIF .7z .7Z .zip .ZIP</extension>
         <command label="Mesen">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/mesen_libretro.so %ROM%</command>
+        <command label="Mesen (Standalone)">%EMULATOR_MESEN% --fullscreen %ROM%</command>
         <command label="Nestopia UE">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/nestopia_libretro.so %ROM%</command>
         <command label="Nestopia UE (Standalone)">%EMULATOR_NESTOPIA-UE% --fullscreen %ROM%</command>
         <command label="FCEUmm">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/fceumm_libretro.so %ROM%</command>
@@ -654,6 +656,7 @@
         <command label="Gearboy (Standalone)">%EMULATOR_GEARBOY% %ROM%</command>
         <command label="TGB Dual">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/tgbdual_libretro.so %ROM%</command>
         <command label="Mesen-S">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/mesen-s_libretro.so %ROM%</command>
+        <command label="Mesen (Standalone)">%EMULATOR_MESEN% --fullscreen %ROM%</command>
         <command label="bsnes">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/bsnes_libretro.so %ROM%</command>
         <command label="mGBA">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/mgba_libretro.so %ROM%</command>
         <command label="mGBA (Standalone)">%EMULATOR_MGBA% -f %ROM%</command>
@@ -690,6 +693,7 @@
         <command label="Gearboy (Standalone)">%EMULATOR_GEARBOY% %ROM%</command>
         <command label="TGB Dual">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/tgbdual_libretro.so %ROM%</command>
         <command label="Mesen-S">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/mesen-s_libretro.so %ROM%</command>
+        <command label="Mesen (Standalone)">%EMULATOR_MESEN% --fullscreen %ROM%</command>
         <command label="bsnes">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/bsnes_libretro.so %ROM%</command>
         <command label="mGBA">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/mgba_libretro.so %ROM%</command>
         <command label="mGBA (Standalone)">%EMULATOR_MGBA% -f %ROM%</command>
@@ -1169,6 +1173,7 @@
         <path>%ROMPATH%/nes</path>
         <extension>.fds .FDS .nes .NES .unf .UNF .unif .UNIF .7z .7Z .zip .ZIP</extension>
         <command label="Mesen">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/mesen_libretro.so %ROM%</command>
+        <command label="Mesen (Standalone)">%EMULATOR_MESEN% --fullscreen %ROM%</command>
         <command label="Nestopia UE">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/nestopia_libretro.so %ROM%</command>
         <command label="Nestopia UE (Standalone)">%EMULATOR_NESTOPIA-UE% --fullscreen %ROM%</command>
         <command label="FCEUmm">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/fceumm_libretro.so %ROM%</command>
@@ -1280,6 +1285,7 @@
         <command label="Beetle PCE">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/mednafen_pce_libretro.so %ROM%</command>
         <command label="Beetle PCE FAST">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/mednafen_pce_fast_libretro.so %ROM%</command>
         <command label="Mednafen (Standalone)">%EMULATOR_MEDNAFEN% -force_module pce %ROM%</command>
+        <command label="Mesen (Standalone)">%EMULATOR_MESEN% --fullscreen %ROM%</command>
         <command label="ares (Standalone)">%EMULATOR_ARES% --fullscreen --system "PC Engine" %ROM%</command>
         <platform>pcengine</platform>
         <theme>pcengine</theme>
@@ -1292,6 +1298,7 @@
         <command label="Beetle PCE">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/mednafen_pce_libretro.so %ROM%</command>
         <command label="Beetle PCE FAST">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/mednafen_pce_fast_libretro.so %ROM%</command>
         <command label="Mednafen (Standalone)">%EMULATOR_MEDNAFEN% -force_module pce %ROM%</command>
+        <command label="Mesen (Standalone)">%EMULATOR_MESEN% --fullscreen %ROM%</command>
         <command label="ares (Standalone)">%EMULATOR_ARES% --fullscreen --system "PC Engine CD" %ROM%</command>
         <platform>pcenginecd</platform>
         <theme>pcenginecd</theme>
@@ -1446,6 +1453,7 @@
         <command label="bsnes-mercury Accuracy">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/bsnes_mercury_accuracy_libretro.so %ROM%</command>
         <command label="bsnes (Standalone)">%EMULATOR_BSNES% --fullscreen %ROM%</command>
         <command label="Mesen-S">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/mesen-s_libretro.so %ROM%</command>
+        <command label="Mesen (Standalone)">%EMULATOR_MESEN% --fullscreen %ROM%</command>
         <command label="ares (Standalone)">%EMULATOR_ARES% --fullscreen --system "Super Famicom" %ROM%</command>
         <platform>satellaview</platform>
         <theme>satellaview</theme>
@@ -1551,6 +1559,7 @@
         <command label="bsnes (Standalone)">%EMULATOR_BSNES% --fullscreen %ROM%</command>
         <command label="Beetle Supafaust">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/mednafen_supafaust_libretro.so %ROM%</command>
         <command label="Mesen-S">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/mesen-s_libretro.so %ROM%</command>
+        <command label="Mesen (Standalone)">%EMULATOR_MESEN% --fullscreen %ROM%</command>
         <command label="Mednafen (Standalone)">%EMULATOR_MEDNAFEN% -force_module snes %ROM%</command>
         <command label="ares (Standalone)">%EMULATOR_ARES% --fullscreen --system "Super Famicom" %ROM%</command>
         <platform>snes</platform>
@@ -1575,6 +1584,7 @@
         <path>%ROMPATH%/sgb</path>
         <extension>.gb .GB .gbc .GBC .sgb .SGB .7z .7Z .zip .ZIP</extension>
         <command label="Mesen-S">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/mesen-s_libretro.so %ROM%</command>
+        <command label="Mesen (Standalone)">%EMULATOR_MESEN% --fullscreen %ROM%</command>
         <command label="SameBoy">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/sameboy_libretro.so %ROM%</command>
         <command label="mGBA">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/mgba_libretro.so %ROM%</command>
         <command label="mGBA (Standalone)">%EMULATOR_MGBA% -f %ROM%</command>
@@ -1595,6 +1605,7 @@
         <command label="bsnes (Standalone)">%EMULATOR_BSNES% --fullscreen %ROM%</command>
         <command label="Beetle Supafaust">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/mednafen_supafaust_libretro.so %ROM%</command>
         <command label="Mesen-S">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/mesen-s_libretro.so %ROM%</command>
+        <command label="Mesen (Standalone)">%EMULATOR_MESEN% --fullscreen %ROM%</command>
         <command label="Mednafen (Standalone)">%EMULATOR_MEDNAFEN% -force_module snes %ROM%</command>
         <command label="ares (Standalone)">%EMULATOR_ARES% --fullscreen --system "Super Famicom" %ROM%</command>
         <platform>snes</platform>
@@ -1614,6 +1625,7 @@
         <command label="bsnes (Standalone)">%EMULATOR_BSNES% --fullscreen %ROM%</command>
         <command label="Beetle Supafaust">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/mednafen_supafaust_libretro.so %ROM%</command>
         <command label="Mesen-S">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/mesen-s_libretro.so %ROM%</command>
+        <command label="Mesen (Standalone)">%EMULATOR_MESEN% --fullscreen %ROM%</command>
         <command label="Mednafen (Standalone)">%EMULATOR_MEDNAFEN% -force_module snes %ROM%</command>
         <command label="ares (Standalone)">%EMULATOR_ARES% --fullscreen --system "Super Famicom" %ROM%</command>
         <platform>snes</platform>
@@ -1727,6 +1739,7 @@
         <command label="Beetle PCE">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/mednafen_pce_libretro.so %ROM%</command>
         <command label="Beetle PCE FAST">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/mednafen_pce_fast_libretro.so %ROM%</command>
         <command label="Mednafen (Standalone)">%EMULATOR_MEDNAFEN% -force_module pce %ROM%</command>
+        <command label="Mesen (Standalone)">%EMULATOR_MESEN% --fullscreen %ROM%</command>
         <command label="ares (Standalone)">%EMULATOR_ARES% --fullscreen --system "PC Engine" %ROM%</command>
         <platform>pcengine</platform>
         <theme>tg16</theme>
@@ -1739,6 +1752,7 @@
         <command label="Beetle PCE">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/mednafen_pce_libretro.so %ROM%</command>
         <command label="Beetle PCE FAST">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/mednafen_pce_fast_libretro.so %ROM%</command>
         <command label="Mednafen (Standalone)">%EMULATOR_MEDNAFEN% -force_module pce %ROM%</command>
+        <command label="Mesen (Standalone)">%EMULATOR_MESEN% --fullscreen %ROM%</command>
         <command label="ares (Standalone)">%EMULATOR_ARES% --fullscreen --system "PC Engine CD" %ROM%</command>
         <platform>pcenginecd</platform>
         <theme>tg-cd</theme>
diff --git a/resources/systems/windows/es_find_rules.xml b/resources/systems/windows/es_find_rules.xml
index 7d7d24eda..4fc446959 100644
--- a/resources/systems/windows/es_find_rules.xml
+++ b/resources/systems/windows/es_find_rules.xml
@@ -378,6 +378,16 @@
             <entry>%ESPATH%\..\Emulators\melonDS\melonDS.exe</entry>
         </rule>
     </emulator>
+    <emulator name="MESEN">
+        <!-- Multi-system emulator Mesen -->
+        <rule type="systempath">
+            <entry>Mesen.exe</entry>
+        </rule>
+        <rule type="staticpath">
+            <entry>%ESPATH%\Emulators\Mesen\Mesen.exe</entry>
+            <entry>%ESPATH%\..\Emulators\Mesen\Mesen.exe</entry>
+        </rule>
+    </emulator>
     <emulator name="MGBA">
         <!-- Nintendo Game Boy Advance emulator mGBA -->
         <rule type="winregistryvalue">
diff --git a/resources/systems/windows/es_find_rules_portable.xml b/resources/systems/windows/es_find_rules_portable.xml
index c0c087826..3aae7c527 100644
--- a/resources/systems/windows/es_find_rules_portable.xml
+++ b/resources/systems/windows/es_find_rules_portable.xml
@@ -254,6 +254,13 @@
             <entry>%ESPATH%\..\Emulators\melonDS\melonDS.exe</entry>
         </rule>
     </emulator>
+    <emulator name="MESEN">
+        <!-- Multi-system emulator Mesen -->
+        <rule type="staticpath">
+            <entry>%ESPATH%\Emulators\Mesen\Mesen.exe</entry>
+            <entry>%ESPATH%\..\Emulators\Mesen\Mesen.exe</entry>
+        </rule>
+    </emulator>
     <emulator name="MGBA">
         <!-- Nintendo Game Boy Advance emulator mGBA -->
         <rule type="staticpath">
diff --git a/resources/systems/windows/es_systems.xml b/resources/systems/windows/es_systems.xml
index 646d9a4fb..6ff205f7a 100644
--- a/resources/systems/windows/es_systems.xml
+++ b/resources/systems/windows/es_systems.xml
@@ -530,6 +530,7 @@
         <path>%ROMPATH%\famicom</path>
         <extension>.fds .FDS .nes .NES .unf .UNF .unif .UNIF .7z .7Z .zip .ZIP</extension>
         <command label="Mesen">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\mesen_libretro.dll %ROM%</command>
+        <command label="Mesen (Standalone)">%EMULATOR_MESEN% --fullscreen %ROM%</command>
         <command label="Nestopia UE">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\nestopia_libretro.dll %ROM%</command>
         <command label="FCEUmm">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\fceumm_libretro.dll %ROM%</command>
         <command label="QuickNES">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\quicknes_libretro.dll %ROM%</command>
@@ -569,6 +570,7 @@
         <path>%ROMPATH%\fds</path>
         <extension>.nes .NES .fds .FDS .unf .UNF .UNIF .UNIF .7z .7Z .zip .ZIP</extension>
         <command label="Mesen">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\mesen_libretro.dll %ROM%</command>
+        <command label="Mesen (Standalone)">%EMULATOR_MESEN% --fullscreen %ROM%</command>
         <command label="Nestopia UE">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\nestopia_libretro.dll %ROM%</command>
         <command label="FCEUmm">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\fceumm_libretro.dll %ROM%</command>
         <command label="Mednafen (Standalone)">%EMULATOR_MEDNAFEN% -force_module nes %ROM%</command>
@@ -651,6 +653,7 @@
         <command label="Gearboy (Standalone)">%EMULATOR_GEARBOY% %ROM%</command>
         <command label="TGB Dual">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\tgbdual_libretro.dll %ROM%</command>
         <command label="Mesen-S">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\mesen-s_libretro.dll %ROM%</command>
+        <command label="Mesen (Standalone)">%EMULATOR_MESEN% --fullscreen %ROM%</command>
         <command label="bsnes">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\bsnes_libretro.dll %ROM%</command>
         <command label="mGBA">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\mgba_libretro.dll %ROM%</command>
         <command label="mGBA (Standalone)">%EMULATOR_MGBA% -f %ROM%</command>
@@ -687,6 +690,7 @@
         <command label="Gearboy (Standalone)">%EMULATOR_GEARBOY% %ROM%</command>
         <command label="TGB Dual">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\tgbdual_libretro.dll %ROM%</command>
         <command label="Mesen-S">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\mesen-s_libretro.dll %ROM%</command>
+        <command label="Mesen (Standalone)">%EMULATOR_MESEN% --fullscreen %ROM%</command>
         <command label="bsnes">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\bsnes_libretro.dll %ROM%</command>
         <command label="mGBA">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\mgba_libretro.dll %ROM%</command>
         <command label="mGBA (Standalone)">%EMULATOR_MGBA% -f %ROM%</command>
@@ -1166,6 +1170,7 @@
         <path>%ROMPATH%\nes</path>
         <extension>.fds .FDS .nes .NES .unf .UNF .unif .UNIF .7z .7Z .zip .ZIP</extension>
         <command label="Mesen">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\mesen_libretro.dll %ROM%</command>
+        <command label="Mesen (Standalone)">%EMULATOR_MESEN% --fullscreen %ROM%</command>
         <command label="Nestopia UE">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\nestopia_libretro.dll %ROM%</command>
         <command label="FCEUmm">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\fceumm_libretro.dll %ROM%</command>
         <command label="QuickNES">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\quicknes_libretro.dll %ROM%</command>
@@ -1276,6 +1281,7 @@
         <command label="Beetle PCE">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\mednafen_pce_libretro.dll %ROM%</command>
         <command label="Beetle PCE FAST">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\mednafen_pce_fast_libretro.dll %ROM%</command>
         <command label="Mednafen (Standalone)">%EMULATOR_MEDNAFEN% -force_module pce %ROM%</command>
+        <command label="Mesen (Standalone)">%EMULATOR_MESEN% --fullscreen %ROM%</command>
         <command label="ares (Standalone)">%EMULATOR_ARES% --fullscreen --system "PC Engine" %ROM%</command>
         <platform>pcengine</platform>
         <theme>pcengine</theme>
@@ -1288,6 +1294,7 @@
         <command label="Beetle PCE">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\mednafen_pce_libretro.dll %ROM%</command>
         <command label="Beetle PCE FAST">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\mednafen_pce_fast_libretro.dll %ROM%</command>
         <command label="Mednafen (Standalone)">%EMULATOR_MEDNAFEN% -force_module pce %ROM%</command>
+        <command label="Mesen (Standalone)">%EMULATOR_MESEN% --fullscreen %ROM%</command>
         <command label="ares (Standalone)">%EMULATOR_ARES% --fullscreen --system "PC Engine CD" %ROM%</command>
         <platform>pcenginecd</platform>
         <theme>pcenginecd</theme>
@@ -1441,6 +1448,7 @@
         <command label="bsnes-mercury Accuracy">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\bsnes_mercury_accuracy_libretro.dll %ROM%</command>
         <command label="bsnes (Standalone)">%EMULATOR_BSNES% --fullscreen %ROM%</command>
         <command label="Mesen-S">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\mesen-s_libretro.dll %ROM%</command>
+        <command label="Mesen (Standalone)">%EMULATOR_MESEN% --fullscreen %ROM%</command>
         <command label="ares (Standalone)">%EMULATOR_ARES% --fullscreen --system "Super Famicom" %ROM%</command>
         <platform>satellaview</platform>
         <theme>satellaview</theme>
@@ -1548,6 +1556,7 @@
         <command label="bsnes (Standalone)">%EMULATOR_BSNES% --fullscreen %ROM%</command>
         <command label="Beetle Supafaust">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\mednafen_supafaust_libretro.dll %ROM%</command>
         <command label="Mesen-S">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\mesen-s_libretro.dll %ROM%</command>
+        <command label="Mesen (Standalone)">%EMULATOR_MESEN% --fullscreen %ROM%</command>
         <command label="Mednafen (Standalone)">%EMULATOR_MEDNAFEN% -force_module snes %ROM%</command>
         <command label="ares (Standalone)">%EMULATOR_ARES% --fullscreen --system "Super Famicom" %ROM%</command>
         <platform>snes</platform>
@@ -1572,6 +1581,7 @@
         <path>%ROMPATH%\sgb</path>
         <extension>.gb .GB .gbc .GBC .sgb .SGB .7z .7Z .zip .ZIP</extension>
         <command label="Mesen-S">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\mesen-s_libretro.dll %ROM%</command>
+        <command label="Mesen (Standalone)">%EMULATOR_MESEN% --fullscreen %ROM%</command>
         <command label="SameBoy">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\sameboy_libretro.dll %ROM%</command>
         <command label="mGBA">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\mgba_libretro.dll %ROM%</command>
         <command label="mGBA (Standalone)">%EMULATOR_MGBA% -f %ROM%</command>
@@ -1592,6 +1602,7 @@
         <command label="bsnes (Standalone)">%EMULATOR_BSNES% --fullscreen %ROM%</command>
         <command label="Beetle Supafaust">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\mednafen_supafaust_libretro.dll %ROM%</command>
         <command label="Mesen-S">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\mesen-s_libretro.dll %ROM%</command>
+        <command label="Mesen (Standalone)">%EMULATOR_MESEN% --fullscreen %ROM%</command>
         <command label="Mednafen (Standalone)">%EMULATOR_MEDNAFEN% -force_module snes %ROM%</command>
         <command label="ares (Standalone)">%EMULATOR_ARES% --fullscreen --system "Super Famicom" %ROM%</command>
         <platform>snes</platform>
@@ -1611,6 +1622,7 @@
         <command label="bsnes (Standalone)">%EMULATOR_BSNES% --fullscreen %ROM%</command>
         <command label="Beetle Supafaust">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\mednafen_supafaust_libretro.dll %ROM%</command>
         <command label="Mesen-S">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\mesen-s_libretro.dll %ROM%</command>
+        <command label="Mesen (Standalone)">%EMULATOR_MESEN% --fullscreen %ROM%</command>
         <command label="Mednafen (Standalone)">%EMULATOR_MEDNAFEN% -force_module snes %ROM%</command>
         <command label="ares (Standalone)">%EMULATOR_ARES% --fullscreen --system "Super Famicom" %ROM%</command>
         <platform>snes</platform>
@@ -1724,6 +1736,7 @@
         <command label="Beetle PCE">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\mednafen_pce_libretro.dll %ROM%</command>
         <command label="Beetle PCE FAST">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\mednafen_pce_fast_libretro.dll %ROM%</command>
         <command label="Mednafen (Standalone)">%EMULATOR_MEDNAFEN% -force_module pce %ROM%</command>
+        <command label="Mesen (Standalone)">%EMULATOR_MESEN% --fullscreen %ROM%</command>
         <command label="ares (Standalone)">%EMULATOR_ARES% --fullscreen --system "PC Engine" %ROM%</command>
         <platform>pcengine</platform>
         <theme>tg16</theme>
@@ -1736,6 +1749,7 @@
         <command label="Beetle PCE">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\mednafen_pce_libretro.dll %ROM%</command>
         <command label="Beetle PCE FAST">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\mednafen_pce_fast_libretro.dll %ROM%</command>
         <command label="Mednafen (Standalone)">%EMULATOR_MEDNAFEN% -force_module pce %ROM%</command>
+        <command label="Mesen (Standalone)">%EMULATOR_MESEN% --fullscreen %ROM%</command>
         <command label="ares (Standalone)">%EMULATOR_ARES% --fullscreen --system "PC Engine CD" %ROM%</command>
         <platform>pcenginecd</platform>
         <theme>tg-cd</theme>