diff --git a/src/mame/handheld/hh_sm510.cpp b/src/mame/handheld/hh_sm510.cpp
index 3f1978d25b8..69724ea1ef2 100644
--- a/src/mame/handheld/hh_sm510.cpp
+++ b/src/mame/handheld/hh_sm510.cpp
@@ -6450,6 +6450,84 @@ ROM_END
 
 
 
+/***************************************************************************
+
+  Tiger Mega Man 3 (model 7-834)
+  * Sharp SM510 under epoxy (die label MA4)
+  * lcd screen with custom segments, 1-bit sound
+
+***************************************************************************/
+
+class tmegaman3_state : public hh_sm510_state
+{
+public:
+	tmegaman3_state(const machine_config &mconfig, device_type type, const char *tag) :
+		hh_sm510_state(mconfig, type, tag)
+	{
+		inp_fixed_last();
+	}
+
+	void tmegaman3(machine_config &config);
+};
+
+// config
+
+static INPUT_PORTS_START( tmegaman3 )
+	PORT_START("IN.0") // S1
+	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_CHANGED_CB(input_changed)
+	PORT_BIT( 0x0b, IP_ACTIVE_HIGH, IPT_UNUSED )
+
+	PORT_START("IN.1") // S2
+	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_CHANGED_CB(input_changed)
+	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_CHANGED_CB(input_changed) PORT_NAME("Pick")
+	PORT_BIT( 0x09, IP_ACTIVE_HIGH, IPT_UNUSED )
+
+	PORT_START("IN.2") // S3
+	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_CHANGED_CB(input_changed)
+	PORT_BIT( 0x0d, IP_ACTIVE_HIGH, IPT_UNUSED )
+
+	PORT_START("IN.3") // S4
+	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_CHANGED_CB(input_changed) PORT_NAME("Attack")
+	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_CHANGED_CB(input_changed) PORT_NAME("Weapon")
+	PORT_BIT( 0x0c, IP_ACTIVE_HIGH, IPT_UNUSED )
+
+	PORT_START("IN.4") // S5
+	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_SELECT ) PORT_CHANGED_CB(input_changed) PORT_NAME("Select")
+	PORT_BIT( 0x0e, IP_ACTIVE_HIGH, IPT_UNUSED )
+
+	PORT_START("IN.5") // GND!
+	PORT_BIT( 0x07, IP_ACTIVE_HIGH, IPT_UNUSED )
+	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_START ) PORT_CHANGED_CB(input_changed) PORT_NAME("Power On/Start")
+
+	PORT_START("BA")
+	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_VOLUME_DOWN ) PORT_NAME("Sound")
+
+	PORT_START("B")
+	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_POWER_OFF )
+
+	PORT_START("ACL")
+	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_SERVICE1 ) PORT_CHANGED_CB(acl_button) PORT_NAME("ACL")
+INPUT_PORTS_END
+
+void tmegaman3_state::tmegaman3(machine_config &config)
+{
+	sm510_tiger(config, 1441, 1080);
+}
+
+// roms
+
+ROM_START( tmegaman3 )
+	ROM_REGION( 0x1000, "maincpu", 0 )
+	ROM_LOAD( "ma4", 0x0000, 0x1000, CRC(851ef37a) SHA1(0b67db3fe6ffcdee0427d9fea895de6943a28abc) )
+
+	ROM_REGION( 320846, "screen", 0)
+	ROM_LOAD( "tmegaman3.svg", 0, 320846, CRC(dd1aaa05) SHA1(066e46bf5c86aaa2c4291d1338cbe4cc76ff7a22) )
+ROM_END
+
+
+
+
+
 /***************************************************************************
 
   Tiger Street Fighter 2010 - The Final Fight (model 7-837)
@@ -10039,6 +10117,7 @@ CONS( 1990, tgoldnaxe,    0,           0, tgoldnaxe,    tgoldnaxe,    tgoldnaxe_
 CONS( 1990, trobocop2,    0,           0, trobocop2,    trobocop2,    trobocop2_state,    empty_init, "Tiger Electronics", "Robocop 2 (Tiger)", MACHINE_SUPPORTS_SAVE | MACHINE_REQUIRES_ARTWORK )
 CONS( 1991, trockteer,    trobocop2,   0, trockteer,    trockteer,    trobocop2_state,    empty_init, "Tiger Electronics", "The Rocketeer (Tiger)", MACHINE_SUPPORTS_SAVE | MACHINE_REQUIRES_ARTWORK )
 CONS( 1990, taltbeast,    0,           0, taltbeast,    taltbeast,    taltbeast_state,    empty_init, "Tiger Electronics (licensed from Sega)", "Altered Beast (Tiger)", MACHINE_SUPPORTS_SAVE | MACHINE_REQUIRES_ARTWORK )
+CONS( 1991, tmegaman3,    0,           0, tmegaman3,    tmegaman3,    tmegaman3_state,    empty_init, "Tiger Electronics (licensed from Capcom)", "Mega Man 3 (Tiger)", MACHINE_SUPPORTS_SAVE | MACHINE_REQUIRES_ARTWORK )
 CONS( 1990, tsf2010,      0,           0, tsf2010,      tsf2010,      tsf2010_state,      empty_init, "Tiger Electronics (licensed from Capcom)", "Street Fighter 2010 - The Final Fight (Tiger)", MACHINE_SUPPORTS_SAVE | MACHINE_REQUIRES_ARTWORK )
 CONS( 1991, tswampt,      0,           0, tswampt,      tswampt,      tswampt_state,      empty_init, "Tiger Electronics", "Swamp Thing (Tiger)", MACHINE_SUPPORTS_SAVE | MACHINE_REQUIRES_ARTWORK )
 CONS( 1991, tspidman,     0,           0, tspidman,     tspidman,     tspidman_state,     empty_init, "Tiger Electronics", "Spider-Man (Tiger, 1991 version)", MACHINE_SUPPORTS_SAVE | MACHINE_REQUIRES_ARTWORK )
diff --git a/src/mame/mame.lst b/src/mame/mame.lst
index c62a5ac667c..6b87a86f161 100644
--- a/src/mame/mame.lst
+++ b/src/mame/mame.lst
@@ -16786,6 +16786,7 @@ tjpark                          // Tiger
 tkarnov                         // Tiger
 tkazaam                         // Tiger
 tmchammer                       // Tiger
+tmegaman3                       // Tiger
 tmkombat                        // Tiger
 tnmarebc                        // Tiger
 topaliens                       // Tiger