diff --git a/Arcade_MiST/IremM72 Hardware/Readme.md b/Arcade_MiST/IremM72 Hardware/Readme.md
index 6eab9a76..4938a966 100644
--- a/Arcade_MiST/IremM72 Hardware/Readme.md	
+++ b/Arcade_MiST/IremM72 Hardware/Readme.md	
@@ -15,15 +15,15 @@ Implemention of the Irem M72 & M84 arcade hardware (https://www.system16.com/har
 |[R-Type](https://en.wikipedia.org/wiki/R-Type)|Japan, US, World||
 |[Ninja Spirit](https://en.wikipedia.org/wiki/Ninja_Spirit)|Japan||
 |[Image Fight](https://en.wikipedia.org/wiki/Image_Fight)|Japan, World||
-|[Gallop - Armed Police Unit](https://en.wikipedia.org/wiki/Armed_Police_Unit_Gallop)|Japan|Emulated MCU|
+|[Gallop - Armed Police Unit](https://en.wikipedia.org/wiki/Armed_Police_Unit_Gallop)|Japan|Emulated MCU.|
 |[Legend of Hero Tonma](https://en.wikipedia.org/wiki/Legend_of_Hero_Tonma)|Japan||
 |[Mr. HELI no Daibouken](https://en.wikipedia.org/wiki/Mr._Heli)|Japan||
-|[Air Duel](https://en.wikipedia.org/wiki/Air_Duel)|Japan|Conversion from M81 hardware.|
+|[Air Duel](https://en.wikipedia.org/wiki/Air_Duel)|Japan, World|Conversion from M81 hardware.|
 |[Dragon Breed](https://en.wikipedia.org/wiki/Dragon_Breed)|Japan|Conversion from M81 hardware.|
 |[X-Multiply](https://en.wikipedia.org/wiki/X_Multiply)|Japan|Conversion from M81 hardware.|
-|[Daiku no Gensan](https://en.wikipedia.org/wiki/Hammerin%27_Harry)|Japan|Conversion from M81 hardware. Emulated MCU|
+|[Daiku no Gensan](https://en.wikipedia.org/wiki/Hammerin%27_Harry)|Japan|Conversion from M81 hardware. Emulated MCU.|
+|[Hammerin' Harry](https://en.wikipedia.org/wiki/Hammerin%27_Harry)|US, Japan|M84 Hardware.|
 |[R-Type II](https://en.wikipedia.org/wiki/R-Type_II)|Japan,World|M84 hardware.|
-|[Hammerin' Harry](https://en.wikipedia.org/wiki/Hammerin%27_Harry)|US|M84 hardware.|
 
 
 **Note:** Emulated MCU is not implemented on MiST (FPGA is full).
diff --git a/Arcade_MiST/IremM72 Hardware/meta/Air Duel (World, M72 hardware).mra b/Arcade_MiST/IremM72 Hardware/meta/Air Duel (World, M72 hardware).mra
new file mode 100644
index 00000000..1daf315b
--- /dev/null
+++ b/Arcade_MiST/IremM72 Hardware/meta/Air Duel (World, M72 hardware).mra	
@@ -0,0 +1,74 @@
+<misterromdescription>
+    <name>Air Duel (World, M72 hardware)</name>
+    <mameversion>0245</mameversion>
+    <setname>airduelm72</setname>
+    <parent>airduel</parent>
+    <year>1990</year>
+    <manufacturer>Irem</manufacturer>
+    <category>Shooter</category>
+    <rbf>IremM72</rbf>
+    <rotation>vertical (ccw)</rotation>
+
+    <joystick>8-way</joystick>
+    <num_buttons>2</num_buttons>
+    <buttons default="B,A,R,L" names="Fire,Bomb,-,-,Start,Coin,P2 Start,Pause"></buttons>
+    <switches default="40,00" base="16" page_id="1" page_name="Switches">
+        <dip bits="0,1" ids="3,2,4,5" name="Lives"></dip>
+        <dip bits="2,3" ids="Normal,Easy,Hard,Very Easy" name="Difficulty"></dip>
+        <dip bits="6" ids="Off,On" name="Demo Sound"></dip>
+        <dip bits="7" ids="Off,On" name="Diagnostic Test"></dip>
+        <dip bits="8" ids="Off,On" name="Flip Picture"></dip>
+        <dip bits="12,15" ids="1C/1P,2C/1P,3C/1P,4C/1P,5C/1P,6C/1P,1C/2P,1C/3P,1C/4P,1C/5P,1C/6P,2C/3P,3C/2P,4C/3P,Free Play,Free Play" name="Coin Mode"></dip>
+    </switches>
+
+    <rom index="1"><part>01</part></rom>
+    <rom index="0" zip="airduelm72.zip|airduel.zip" md5="None">
+        <!-- board type -->
+        <part>09</part>
+        <!-- maincpu -->
+        <part>00 08 00 00</part>
+        <interleave output="16">
+            <part name="ad-c-l0-c.ic37" crc="b90c4ffd" map="01"/>
+            <part name="ad-c-h0-c.ic40" crc="6467ed0f" map="10"/>
+        </interleave>
+        <interleave output="16">
+            <part name="ad-c-l3.ic34" crc="9dd343f7" map="01"/>
+            <part name="ad-c-h3.ic43" crc="9f7cfca3" map="10"/>
+        </interleave>
+
+        <!-- sprites -->
+        <part>01 08 00 00</part>
+        <interleave output="32">
+            <part name="ad-00.ic53" crc="2f0d599b" map="0001" />
+            <part name="ad-10.ic51" crc="9865856b" map="0010" />
+            <part name="ad-20.ic49" crc="d392aef2" map="0100" />
+            <part name="ad-30.ic47" crc="923240c3" map="1000" />
+        </interleave>
+
+        <!-- gfx2 -->
+        <part>02 08 00 00</part>
+        <interleave output="32">
+            <part name="ad-a0.ic21" crc="ce134b47" map="0001" />
+            <part name="ad-a1.ic22" crc="097fd853" map="0010" />
+            <part name="ad-a2.ic20" crc="6a94c1b9" map="0100" />
+            <part name="ad-a3.ic23" crc="6637c349" map="1000" />
+        </interleave>
+
+        <!-- gfx3 -->
+        <part>03 08 00 00</part>
+        <interleave output="32">
+            <part name="ad-b0.ic26" crc="ce134b47" map="0001" />
+            <part name="ad-b1.ic27" crc="097fd853" map="0010" />
+            <part name="ad-b2.ic25" crc="6a94c1b9" map="0100" />
+            <part name="ad-b3.ic24" crc="6637c349" map="1000" />
+        </interleave>
+
+        <!-- mcu -->
+        <part>04 00 10 00</part>
+        <part name="ad_c-pr-.ic1" crc="8785e4e2"/>
+
+        <!-- samples -->
+        <part>05 02 00 00</part>
+        <part name="ad-v0.ic44" crc="339f474d"/>
+    </rom>
+</misterromdescription>
diff --git a/Arcade_MiST/IremM72 Hardware/meta/Daiku no Gensan (Japan, M84 hardware).mra b/Arcade_MiST/IremM72 Hardware/meta/Daiku no Gensan (Japan, M84 hardware).mra
new file mode 100644
index 00000000..6484f33d
--- /dev/null
+++ b/Arcade_MiST/IremM72 Hardware/meta/Daiku no Gensan (Japan, M84 hardware).mra	
@@ -0,0 +1,73 @@
+<misterromdescription>
+    <name>Daiku no Gensan (Japan, M84 hardware)</name>
+    <mameversion>0247</mameversion>
+    <parent>hharry</parent>
+    <setname>dkgensan</setname>
+    <year>1990</year>
+    <manufacturer>Irem</manufacturer>
+    <category>Platformer</category>
+    <rbf>IremM72</rbf>
+    <rotation>horizontal</rotation>
+
+    <joystick>8-way</joystick>
+    <num_buttons>2</num_buttons>
+    <buttons default="B,A,R,L" names="Attack,Jump,-,-,Start,Coin,P2 Start,Pause"></buttons>
+    <switches default="40,02" base="16" page_id="1" page_name="Switches">
+        <dip bits="0,1" ids="3,2,4,5" name="Lives"></dip>
+        <dip bits="2,3" ids="Normal,Easy,Hard,Very Easy" name="Difficulty"></dip>
+        <dip bits="4" ids="Yes,No" name="Continue Limit"></dip>
+        <dip bits="5" ids="Yes,No" name="Allow Continue"></dip>
+        <dip bits="6" ids="Off,On" name="Demo Sounds"></dip>
+        <dip bits="7" ids="Off,On" name="Diagnostic Test"></dip>
+        <dip bits="8" ids="Off,On" name="Flip Picture"></dip>
+        <dip bits="9,10" ids="Cocktail,Upright (2P),Upright (2P),Upright" name="Cabinet type"></dip>
+        <dip bits="12,15" ids="1C/1C,2C/1C,3C/1C,4C/1C,5C/1C,6C/1C,1C/2C,1C/3C,1C/4C,1C/5C,1C/6C,2C/3C,3C/2C,4C/3C,2C/1C,Free Play" name="Coin Mode"></dip>
+    </switches>
+
+    <rom index="0" zip="dkgensan.zip|hharry.zip" md5="None">
+        <!-- board type -->
+        <part>14</part>
+        <!-- maincpu -->
+        <part>00 08 00 00</part>
+        <interleave output="16">
+            <part name ="gen-a-h0.bin" crc="07a45f6d" map="10"/>
+            <part name ="gen-a-l0.bin" crc="46478fea" map="01"/>
+        </interleave>
+
+        <interleave output="16">
+            <part name="gen-a-l1.bin" crc="894f8a9f" map="01"/>
+            <part name="gen-a-h1.bin" crc="54e5b73c" map="10"/>
+        </interleave>
+        <interleave output="16">
+            <part name="gen-a-l1.bin" crc="894f8a9f" map="01"/>
+            <part name="gen-a-h1.bin" crc="54e5b73c" map="10"/>
+        </interleave>
+
+        <!-- sprites -->
+        <part>01 08 00 00</part>
+        <interleave output="32">
+            <part name ="hh_00.rom" crc="ec5127ef" map="0001" />
+            <part name ="hh_10.rom" crc="def65294" map="0010" />
+            <part name ="hh_20.rom" crc="bb0d6ad4" map="0100" />
+            <part name ="hh_30.rom" crc="4351044e" map="1000" />
+        </interleave>
+
+        <!-- gfx2 -->
+        <part>02 08 00 00</part>
+        <interleave output="32">
+            <part name ="hh_a0.rom" crc="c577ba5f" map="0001" />
+            <part name ="hh_a1.rom" crc="429d12ab" map="0010" />
+            <part name ="hh_a2.rom" crc="b5b163b0" map="0100" />
+            <part name ="hh_a3.rom" crc="8ef566a1" map="1000" />
+        </interleave>
+
+        <!-- samples -->
+        <part>05 02 00 00</part>
+        <part name ="gen-vo.bin" crc="d8595c66" />
+
+        <!-- sound rom -->
+        <part>08 01 00 00</part>
+        <part name ="a-sp-0.rom" crc="80e210e7" />
+
+    </rom>
+</misterromdescription>
diff --git a/Arcade_MiST/IremM72 Hardware/meta/Hammerin' Harry (US, M84 hardware).mra b/Arcade_MiST/IremM72 Hardware/meta/Hammerin' Harry (US, M84 hardware).mra
index c9914a43..a63e9a24 100644
--- a/Arcade_MiST/IremM72 Hardware/meta/Hammerin' Harry (US, M84 hardware).mra	
+++ b/Arcade_MiST/IremM72 Hardware/meta/Hammerin' Harry (US, M84 hardware).mra	
@@ -12,18 +12,15 @@
     <num_buttons>2</num_buttons>
     <buttons default="B,A,R,L" names="Fire,Pod Control,-,-,Start,Coin,P2 Start,Pause"></buttons>
     <switches default="40,02" base="16" page_id="1" page_name="Switches">
-        <dip name="Lives" bits="0,1" ids="3,2,4,5"/>
-        <dip name="Difficulty" bits="2,3" ids="Normal,Easy,Hard,Very Easy"/>
-        <dip name="Continue Limit" bits="4" ids="Yes,No"/>
-        <dip name="Allow Continue" bits="5" ids="Yes,No"/>
-        <dip name="Demo Sounds" bits="6" ids="Off,On"/>
-        <dip name="Service Mode" bits="7" ids="Off,On"/>
-        <dip name="Flip Screen" bits="8" ids="Off,On"/>
-        <dip name="Cabinet" bits="9,10" ids="Cocktail,Upright,Upright"/>
-        <dip name="Coin Mode" bits="11" ids="Mode 1,Mode 2"/>
-        <dip name="Coin A" bits="12,13" ids="1/1,2/1,3/1,5/1"/>
-        <dip name="Coin B" bits="14,15" ids="1/2,1/3,1/5,1/6"/>
-        <!-- dip name="Coinage" bits="12,15" ids="Free Play,2 to Start/1 to Continue,4/3,3/2,2/3,1/6,1/5,1/4,1/3,1/2,6/1,5/1,4/1,3/1,2/1,1/1"/-->
+        <dip bits="0,1" ids="3,2,4,5" name="Lives"></dip>
+        <dip bits="2,3" ids="Normal,Easy,Hard,Very Easy" name="Difficulty"></dip>
+        <dip bits="4" ids="Yes,No" name="Continue Limit"></dip>
+        <dip bits="5" ids="Yes,No" name="Allow Continue"></dip>
+        <dip bits="6" ids="Off,On" name="Demo Sounds"></dip>
+        <dip bits="7" ids="Off,On" name="Diagnostic Test"></dip>
+        <dip bits="8" ids="Off,On" name="Flip Picture"></dip>
+        <dip bits="9,10" ids="Cocktail,Upright (2P),Upright (2P),Upright" name="Cabinet type"></dip>
+        <dip bits="12,15" ids="1C/1C,2C/1C,3C/1C,4C/1C,5C/1C,6C/1C,1C/2C,1C/3C,1C/4C,1C/5C,1C/6C,2C/3C,3C/2C,4C/3C,2C/1C,Free Play" name="Coin Mode"></dip>
     </switches>
 
     <rom index="0" zip="hharry.zip" md5="None">