diff --git a/src/mame/funworld/supercrd.cpp b/src/mame/funworld/supercrd.cpp
index 9d9aaec3a65..9bbb07f313f 100644
--- a/src/mame/funworld/supercrd.cpp
+++ b/src/mame/funworld/supercrd.cpp
@@ -230,7 +230,9 @@ public:
 	void supercrd(machine_config &config);
 
 	void init_fruitstr();
+	void init_gampo();
 	void init_supercrd();
+	void init_supst();
 
 protected:
 	virtual void machine_start() override;
@@ -886,8 +888,8 @@ void supercrd_state::init_fruitstr() // TODO: check unknown opcodes
 			{ 0x11, 0x00, 0x02, 0x43, 0x40, 0x10, 0x02, 0x40 }, // 0x1x and 0x3x
 			{ 0x40, 0x03, 0x10, 0x02, 0x02, 0x00, 0x40, 0x43 }, // 0x4x and 0x6x
 			{ 0x52, 0x12, 0x41, 0x50, 0x02, 0x00, 0x43, 0x40 }, // 0x5x and 0x7x
-			{ 0x03, unkn, 0x12, 0x42, 0x51, 0x53, unkn, 0x01 }, // 0x8x and 0xax
-			{ 0x43, 0x52, 0x50, 0x01, unkn, unkn, 0x00, unkn }, // 0x9x and 0xbx
+			{ 0x03, unkn, 0x12, 0x42, 0x51, 0x53, 0x51, 0x01 }, // 0x8x and 0xax
+			{ 0x43, 0x52, 0x50, 0x01, 0x50, unkn, 0x00, unkn }, // 0x9x and 0xbx
 			{ 0x11, 0x13, 0x53, 0x50, 0x02, 0x00, 0x41, unkn }, // 0xcx and 0xex
 			{ 0x50, 0x50, 0x12, unkn, unkn, 0x41, 0x43, 0x40 }  // 0xdx and 0xfx
 		},
@@ -902,9 +904,9 @@ void supercrd_state::init_fruitstr() // TODO: check unknown opcodes
 			{ 0x13, unkn, 0x10, 0x00, 0x40, 0x01, 0x51, 0x02 }  // 0xdx and 0xfx
 		},
 		{
-			{ unkn, 0x12, 0x50, 0x41, 0x53, 0x11, 0x03, 0x51 }, // 0x0x and 0x2x
+			{ 0x43, 0x12, 0x50, 0x41, 0x53, 0x11, 0x03, 0x51 }, // 0x0x and 0x2x
 			{ 0x11, 0x40, 0x10, 0x01, 0x01, 0x11, 0x42, 0x01 }, // 0x1x and 0x3x
-			{ 0x00, 0x51, unkn, 0x40, 0x03, 0x00, 0x02, 0x50 }, // 0x4x and 0x6x
+			{ 0x00, 0x51, 0x03, 0x40, 0x03, 0x00, 0x02, 0x50 }, // 0x4x and 0x6x
 			{ 0x03, 0x51, 0x43, 0x03, 0x01, 0x53, 0x10, 0x50 }, // 0x5x and 0x7x
 			{ 0x51, 0x40, 0x51, 0x02, 0x02, 0x52, 0x40, 0x13 }, // 0x8x and 0xax
 			{ unkn, unkn, 0x02, 0x41, 0x42, 0x51, unkn, 0x13 }, // 0x9x and 0xbx
@@ -919,7 +921,131 @@ void supercrd_state::init_fruitstr() // TODO: check unknown opcodes
 			{ 0x03, 0x01, 0x52, 0x02, 0x42, 0x10, 0x52, unkn }, // 0x8x and 0xax
 			{ 0x01, 0x01, 0x52, 0x40, 0x11, 0x01, unkn, unkn }, // 0x9x and 0xbx
 			{ 0x53, 0x43, 0x13, 0x51, unkn, 0x00, 0x51, 0x12 }, // 0xcx and 0xex
-			{ 0x13, 0x03, 0x10, 0x12, 0x52, 0x03, 0x51, unkn }  // 0xdx and 0xfx
+			{ 0x13, 0x03, 0x10, 0x12, 0x52, 0x03, 0x51, 0x00 }  // 0xdx and 0xfx
+		}
+	};
+
+	for (int j = 0; j < 0x04; j++)
+	{
+		for (int i = 0; i < 0x100; i++)
+		{
+			uint8_t const row = bitswap<3>(i, 7, 6, 4);
+			uint8_t const xor_v = i & 0x07;
+			if ((i & 0x28) == 0)
+				LOGUNKOPCODES("table: %01x encop: %02x; decop: %02x\n", j, i, i ^ xor_table[j][row][xor_v]);
+		}
+	}
+
+	std::copy(&xor_table[0][0][0], &xor_table[0][0][0] + 0x04 * 0x08 * 0x08, &m_decode_table[0][0][0]);
+}
+
+void supercrd_state::init_gampo() // TODO: check unknown opcodes
+{
+	uint8_t unkn = 0x00;
+
+	uint8_t xor_table[0x04][0x08][0x08] =
+	{
+		{
+			{ 0x51, 0x12, 0x51, 0x02, 0x02, 0x13, unkn, 0x43 }, // 0x0x and 0x2x
+			{ 0x43, 0x12, 0x53, 0x43, 0x53, 0x00, unkn, 0x51 }, // 0x1x and 0x3x
+			{ 0x51, 0x01, 0x52, 0x43, 0x43, 0x00, 0x42, 0x12 }, // 0x4x and 0x6x
+			{ 0x42, 0x53, 0x10, 0x01, 0x00, 0x03, 0x01, 0x52 }, // 0x5x and 0x7x
+			{ 0x42, 0x00, 0x50, unkn, 0x13, unkn, 0x01, 0x41 }, // 0x8x and 0xax
+			{ 0x50, 0x00, 0x51, 0x01, 0x12, unkn, unkn, 0x42 }, // 0x9x and 0xbx // TODO: 0x90 to be checked
+			{ 0x50, 0x41, 0x13, unkn, unkn, 0x00, unkn, 0x52 }, // 0xcx and 0xex
+			{ 0x11, 0x42, 0x01, unkn, unkn, 0x41, unkn, 0x01 }  // 0xdx and 0xfx
+		},
+		{
+			{ 0x10, 0x51, 0x50, 0x02, 0x11, 0x02, 0x41, 0x01 }, // 0x0x and 0x2x
+			{ unkn, 0x13, 0x51, 0x01, 0x43, 0x02, 0x02, 0x42 }, // 0x1x and 0x3x // TODO: 0x1a to be checked
+			{ 0x02, 0x41, 0x11, 0x02, 0x40, 0x00, 0x12, 0x51 }, // 0x4x and 0x6x
+			{ 0x53, 0x40, 0x41, 0x02, 0x02, 0x13, 0x12, 0x52 }, // 0x5x and 0x7x
+			{ 0x12, 0x12, 0x40, 0x50, 0x53, 0x12, 0x40, 0x51 }, // 0x8x and 0xax // TODO: 0x84 to be checked
+			{ unkn, 0x01, unkn, 0x02, 0x01, unkn, unkn, 0x10 }, // 0x9x and 0xbx
+			{ unkn, 0x02, 0x02, 0x02, 0x42, 0x00, 0x50, 0x03 }, // 0xcx and 0xex
+			{ 0x01, 0x03, 0x53, unkn, 0x00, unkn, unkn, 0x02 }  // 0xdx and 0xfx
+		},
+		{
+			{ 0x52, 0x02, 0x00, 0x13, 0x43, 0x01, 0x03, unkn }, // 0x0x and 0x2x
+			{ 0x02, 0x00, 0x12, 0x51, 0x01, 0x40, 0x42, 0x03 }, // 0x1x and 0x3x
+			{ 0x13, 0x10, 0x43, 0x13, 0x43, 0x00, 0x00, 0x41 }, // 0x4x and 0x6x // TODO: 0x48 to be checked
+			{ 0x03, unkn, 0x41, 0x13, 0x02, 0x43, 0x01, unkn }, // 0x5x and 0x7x
+			{ 0x52, 0x50, unkn, 0x41, unkn, unkn, 0x02, 0x52 }, // 0x8x and 0xax
+			{ 0x00, 0x00, unkn, unkn, 0x01, unkn, 0x01, 0x10 }, // 0x9x and 0xbx
+			{ 0x41, 0x12, unkn, 0x50, 0x10, 0x00, unkn, 0x53 }, // 0xcx and 0xex
+			{ 0x10, 0x10, 0x40, 0x10, 0x12, unkn, 0x50, 0x01 }  // 0xdx and 0xfx
+		},
+		{
+			{ 0x02, 0x43, 0x52, 0x51, 0x42, 0x41, 0x50, 0x13 }, // 0x0x and 0x2x
+			{ 0x43, 0x11, 0x00, 0x03, 0x10, 0x10, 0x43, 0x40 }, // 0x1x and 0x3x
+			{ 0x51, 0x42, 0x13, 0x42, 0x43, 0x00, 0x51, 0x13 }, // 0x4x and 0x6x
+			{ 0x13, 0x11, 0x41, 0x12, 0x41, 0x53, 0x11, 0x41 }, // 0x5x and 0x7x
+			{ unkn, 0x42, 0x51, 0x43, 0x03, 0x03, 0x51, 0x43 }, // 0x8x and 0xax
+			{ 0x52, 0x02, unkn, 0x03, 0x11, 0x03, unkn, 0x00 }, // 0x9x and 0xbx // TODO: check 2257 for 0xb3
+			{ 0x41, 0x43, 0x10, 0x02, 0x51, 0x00, 0x13, 0x13 }, // 0xcx and 0xex
+			{ 0x00, 0x52, 0x03, 0x42, 0x02, 0x13, 0x52, unkn }  // 0xdx and 0xfx
+		}
+	};
+
+	for (int j = 0; j < 0x04; j++)
+	{
+		for (int i = 0; i < 0x100; i++)
+		{
+			uint8_t const row = bitswap<3>(i, 7, 6, 4);
+			uint8_t const xor_v = i & 0x07;
+			if ((i & 0x28) == 0)
+				LOGUNKOPCODES("table: %01x encop: %02x; decop: %02x\n", j, i, i ^ xor_table[j][row][xor_v]);
+		}
+	}
+
+	std::copy(&xor_table[0][0][0], &xor_table[0][0][0] + 0x04 * 0x08 * 0x08, &m_decode_table[0][0][0]);
+}
+
+void supercrd_state::init_supst() // TODO: check unknown opcodes
+{
+	uint8_t unkn = 0x00;
+
+	uint8_t xor_table[0x04][0x08][0x08] =
+	{
+		{
+			{ 0x50, 0x12, 0x02, 0x11, 0x40, 0x11, 0x50, 0x52 }, // 0x0x and 0x2x
+			{ unkn, 0x01, 0x43, 0x12, 0x01, 0x10, 0x41, 0x13 }, // 0x1x and 0x3x
+			{ 0x51, 0x12, 0x03, 0x40, 0x02, 0x00, 0x01, 0x51 }, // 0x4x and 0x6x
+			{ 0x12, 0x03, 0x12, 0x51, 0x00, 0x52, 0x50, 0x40 }, // 0x5x and 0x7x
+			{ 0x12, 0x53, 0x41, 0x02, unkn, unkn, 0x00, 0x41 }, // 0x8x and 0xax
+			{ 0x51, unkn, 0x03, 0x40, 0x42, unkn, 0x01, 0x03 }, // 0x9x and 0xbx
+			{ 0x00, 0x10, 0x52, 0x01, unkn, 0x00, 0x41, 0x12 }, // 0xcx and 0xex
+			{ 0x50, 0x52, 0x41, unkn, 0x41, unkn, 0x40, 0x53 }  // 0xdx and 0xfx
+		},
+		{
+			{ 0x52, 0x12, 0x43, 0x00, 0x01, 0x50, 0x11, 0x40 }, // 0x0x and 0x2x
+			{ 0x52, 0x52, 0x00, unkn, 0x12, 0x01, 0x00, 0x10 }, // 0x1x and 0x3x
+			{ 0x41, 0x12, 0x12, 0x41, 0x00, 0x00, 0x12, 0x52 }, // 0x4x and 0x6x
+			{ 0x01, 0x51, 0x42, 0x42, 0x02, 0x51, 0x01, 0x11 }, // 0x5x and 0x7x
+			{ 0x53, 0x03, 0x10, unkn, 0x51, 0x43, unkn, unkn }, // 0x8x and 0xax
+			{ 0x10, 0x53, 0x03, 0x10, 0x42, 0x01, 0x42, 0x11 }, // 0x9x and 0xbx
+			{ 0x50, 0x52, 0x43, 0x03, 0x43, 0x00, 0x51, 0x52 }, // 0xcx and 0xex
+			{ 0x01, 0x12, 0x00, 0x12, 0x10, unkn, 0x40, 0x53 }  // 0xdx and 0xfx
+		},
+		{
+			{ 0x50, 0x12, 0x53, 0x03, 0x02, 0x02, 0x50, 0x40 }, // 0x0x and 0x2x
+			{ 0x11, 0x51, 0x00, 0x03, 0x11, 0x40, 0x12, 0x40 }, // 0x1x and 0x3x
+			{ unkn, 0x42, 0x01, 0x01, 0x10, 0x00, 0x52, 0x03 }, // 0x4x and 0x6x
+			{ 0x52, 0x03, 0x43, 0x00, 0x42, 0x40, unkn, 0x11 }, // 0x5x and 0x7x
+			{ unkn, 0x01, 0x53, 0x41, 0x13, 0x02, 0x40, 0x11 }, // 0x8x and 0xax
+			{ 0x02, 0x02, 0x40, unkn, 0x50, 0x43, 0x13, 0x40 }, // 0x9x and 0xbx
+			{ 0x41, 0x51, 0x02, 0x00, 0x11, 0x00, 0x12, 0x43 }, // 0xcx and 0xex
+			{ 0x11, 0x02, 0x11, 0x42, 0x40, 0x40, 0x50, unkn }  // 0xdx and 0xfx
+		},
+		{
+			{ 0x50, 0x11, 0x01, 0x02, 0x42, 0x41, 0x51, 0x11 }, // 0x0x and 0x2x
+			{ 0x53, 0x02, 0x43, 0x11, 0x53, 0x12, 0x03, 0x11 }, // 0x1x and 0x3x
+			{ 0x13, 0x41, 0x03, 0x03, 0x41, 0x00, 0x52, 0x50 }, // 0x4x and 0x6x
+			{ 0x41, 0x13, 0x00, 0x41, 0x00, 0x51, 0x03, 0x01 }, // 0x5x and 0x7x
+			{ 0x13, 0x43, 0x03, 0x50, 0x52, unkn, 0x51, unkn }, // 0x8x and 0xax
+			{ 0x12, 0x43, 0x02, 0x53, 0x11, unkn, 0x50, 0x02 }, // 0x9x and 0xbx
+			{ 0x01, 0x42, 0x12, 0x51, 0x50, 0x00, unkn, 0x12 }, // 0xcx and 0xex
+			{ 0x41, 0x00, 0x52, 0x10, 0x52, 0x42, 0x51, 0x03 }  // 0xdx and 0xfx
 		}
 	};
 
@@ -944,8 +1070,8 @@ void supercrd_state::init_fruitstr() // TODO: check unknown opcodes
 GAME( 1992, supercrd,  0,      supercrd, supercrd, supercrd_state, init_supercrd, ROT0,  "Fun World", "Super Card (encrypted)",         MACHINE_WRONG_COLORS | MACHINE_NOT_WORKING )
 GAME( 1992, fruitstr,  0,      supercrd, supercrd, supercrd_state, init_fruitstr, ROT0,  "Fun World", "Fruit Star (encrypted)",         MACHINE_NOT_WORKING )
 GAME( 1992, fruitstra, 0,      supercrd, supercrd, supercrd_state, init_fruitstr, ROT0,  "Fun World", "Fruit Star (v810, encrypted)",   MACHINE_NOT_WORKING )
-GAME( 1990, gampo816,  0,      supercrd, supercrd, supercrd_state, empty_init,    ROT0,  "Fun World", "Gamble Poker (v816, encrypted)", MACHINE_NOT_WORKING )
-GAME( 1990, gampo812,  0,      supercrd, supercrd, supercrd_state, empty_init,    ROT0,  "Fun World", "Gamble Poker (v812, encrypted)", MACHINE_NOT_WORKING )
-GAME( 1994, supst839,  0,      supercrd, supercrd, supercrd_state, empty_init,    ROT90, "Fun World", "Super Stars (v839, encrypted)",  MACHINE_NOT_WORKING )
-GAME( 1990, supst834,  0,      supercrd, supercrd, supercrd_state, empty_init,    ROT90, "Fun World", "Super Stars (v834, encrypted)",  MACHINE_NOT_WORKING )
+GAME( 1990, gampo816,  0,      supercrd, supercrd, supercrd_state, init_gampo,    ROT0,  "Fun World", "Gamble Poker (v816, encrypted)", MACHINE_NOT_WORKING )
+GAME( 1990, gampo812,  0,      supercrd, supercrd, supercrd_state, init_gampo,    ROT0,  "Fun World", "Gamble Poker (v812, encrypted)", MACHINE_NOT_WORKING )
+GAME( 1994, supst839,  0,      supercrd, supercrd, supercrd_state, init_supst,    ROT90, "Fun World", "Super Stars (v839, encrypted)",  MACHINE_NOT_WORKING )
+GAME( 1990, supst834,  0,      supercrd, supercrd, supercrd_state, init_supst,    ROT90, "Fun World", "Super Stars (v834, encrypted)",  MACHINE_NOT_WORKING )
 GAME( 1989, redline,   0,      supercrd, supercrd, supercrd_state, empty_init,    ROT90, "Fun World", "Red Line (v808, encrypted)",     MACHINE_NOT_WORKING )
diff --git a/src/mame/mame.lst b/src/mame/mame.lst
index d3c4ca766f2..0672fa5dd63 100755
--- a/src/mame/mame.lst
+++ b/src/mame/mame.lst
@@ -28665,7 +28665,7 @@ chmpnum                         // 1999, unknown
 chmpnuma                        // 1999, unknown
 chsuper2                        // 1999, unknown
 chsuper3                        // 1999, unknown
-losttrea                        // 1999, unknown
+losttrea                        // 2001, unknown
 
 @source:misc/cleartone.cpp
 bnstlkr                         //
diff --git a/src/mame/misc/unktop.cpp b/src/mame/misc/unktop.cpp
index dde26460b48..27d06ac8c9a 100644
--- a/src/mame/misc/unktop.cpp
+++ b/src/mame/misc/unktop.cpp
@@ -13,6 +13,7 @@ HD63B03XP CPU
 NEC D7759C ADPCM speech synthesizer
 
 Maybe just the sound PCB for something else?
+Listening to the UPD samples it seems to be for some kind of vending machine?
 */
 
 #include "emu.h"