diff --git a/src/mame/drivers/naomi.c b/src/mame/drivers/naomi.c
index 1b502dabfae..63e6681a597 100644
--- a/src/mame/drivers/naomi.c
+++ b/src/mame/drivers/naomi.c
@@ -5130,6 +5130,35 @@ ROM_START( virnbao )
 	ROM_LOAD( "virnbao-key.bin", 0, 4, CRC(980e3be8) SHA1(234a2f8ee408144d2c51e8083d0a033eea6026e0) )
 ROM_END
 
+ROM_START( virnbap )
+	NAOMI_BIOS
+	NAOMI_DEFAULT_EEPROM
+
+	ROM_REGION( 0xb000000, "rom_board", ROMREGION_ERASEFF)
+    ROM_LOAD("vnbaearly.ic22",0x0000000, 0x0400000, CRC(5bbf7a45) SHA1(ad71ae8e9e08d7e0a9a60d1ba51bc5dcfeb0f50c) ) 
+	ROM_LOAD("mpr-22928.ic1", 0x0800000, 0x0800000, CRC(63245c98) SHA1(a5a542244f07c6c8b66961a231fb56c89d2cf20c) )
+	ROM_LOAD("mpr-22929.ic2", 0x1000000, 0x0800000, CRC(eea89d21) SHA1(5fe184267e637f155d767f8d931462d9593eff5a) )
+	ROM_LOAD("mpr-22930.ic3", 0x1800000, 0x0800000, CRC(2fbefa9a) SHA1(a6df46cb8742022e436cdc6a9a50490c7a551421) )
+	ROM_LOAD("mpr-22931.ic4", 0x2000000, 0x0800000, CRC(7332e559) SHA1(9147b69f84713f8e6c2c84b71ccd48bae879c655) )
+	ROM_LOAD("mpr-22932.ic5", 0x2800000, 0x0800000, CRC(ef80e18c) SHA1(51406b82c66dc1822657948c62e1c4b8e628a739) )
+	ROM_LOAD("mpr-22933.ic6", 0x3000000, 0x0800000, CRC(6a374076) SHA1(3b7c1ce5e3ae027e578c60a885724deeadc07448) )
+	ROM_LOAD("mpr-22934.ic7", 0x3800000, 0x0800000, CRC(72f3ee15) SHA1(cf81e47c311769c9dc38fdbbef1a5e3f6b8a0be1) )
+	ROM_LOAD("mpr-22935.ic8", 0x4000000, 0x0800000, CRC(35fda6e9) SHA1(857b3c0f576d69d3637503fa53608bc6484eb331) )
+	ROM_LOAD("mpr-22936.ic9", 0x4800000, 0x0800000, CRC(b26df107) SHA1(900f1d06fdc9b6951de1b7e61a27ac846b2061db) )
+	ROM_LOAD("mpr-22937.ic10",0x5000000, 0x0800000, CRC(477a374b) SHA1(309b723f7d2840d6a2f24ad2f877928cc8138a12) )
+	ROM_LOAD("mpr-22938.ic11",0x5800000, 0x0800000, CRC(d59431a4) SHA1(6e3cd8cbde18a6a8672aa302cb119e486c0417e0) )
+	ROM_LOAD("mpr-22939.ic12",0x6000000, 0x0800000, CRC(b31d3e6d) SHA1(d55e56a66dc678b973c3d60d3cffb59032bc3c46) )
+	ROM_LOAD("mpr-22940.ic13",0x6800000, 0x0800000, CRC(90a81fbf) SHA1(5066b5eda80e881f6f399722f010161c0a452922) )
+	ROM_LOAD("mpr-22941.ic14",0x7000000, 0x0800000, CRC(8a72a77d) SHA1(5ce73a76c7915d5a19b05f57b1dfdcd1fe3c53a1) )
+	ROM_LOAD("mpr-22942.ic15",0x7800000, 0x0800000, CRC(710f709f) SHA1(2483f0b1106bc82710457a148772e50e83a439d8) )
+	ROM_LOAD("mpr-22943.ic16",0x8000000, 0x0800000, CRC(c544f593) SHA1(553af7b6c63d6d6221c4286b8a13840a86e55d5f) )
+	ROM_LOAD("mpr-22944.ic17",0x8800000, 0x0800000, CRC(cb096baa) SHA1(cbc267953a749dd24a03d87b65bc19b19bebf205) )
+	ROM_LOAD("mpr-22945.ic18",0x9000000, 0x0800000, CRC(f2f914e8) SHA1(ec600abde40bfb5004ec8200ee0eef9410ebca6a) )
+	ROM_LOAD("mpr-22946.ic19",0x9800000, 0x0800000, CRC(c79696c5) SHA1(4a9ac8b4ae1ce5d196e6c74fecc241b74aebc4ab) )
+	ROM_LOAD("mpr-22947.ic20",0xa000000, 0x0800000, CRC(5e5eb595) SHA1(401d4a11d436988d716bb014b36233f171dc576d) )
+	ROM_LOAD("mpr-22948.ic21",0xa800000, 0x0800000, CRC(1b0de917) SHA1(fd1742ea9bb2f1ce871ee3266171f26634e1c8e7) )
+ROM_END
+
 /*
 
 SYSTEMID: NAOMI
@@ -7731,6 +7760,7 @@ ROM_END
 /* 0018 */ GAME( 1999, sgtetris, naomi,    naomim2, naomi,    naomi,    ROT0, "Sega", "Sega Tetris", GAME_FLAGS )
 /* 0019 */ GAME( 1999, dybb99,   naomi,    naomim2, dybbnao,  naomi,    ROT0, "Sega", "Dynamite Baseball '99 (JPN) / World Series '99 (USA, EXP, KOR, AUS) (Rev B)", GAME_UNEMULATED_PROTECTION|GAME_FLAGS )
 /* 0020 */ GAME( 1999, samba,    naomi,    naomim2, naomi,    naomi,    ROT0, "Sega", "Samba De Amigo (JPN) (Rev B)", GAME_UNEMULATED_PROTECTION|GAME_FLAGS )
+/* 0021 */ GAME( 2000, virnbap,  virnba,   naomi,   naomi,    naomi,    ROT0, "Sega", "Virtua NBA (prototype)", GAME_FLAGS )
 /* 0021 */ GAME( 2000, virnbao,  virnba,   naomim2, naomi,    naomi,    ROT0, "Sega", "Virtua NBA (JPN, USA, EXP, KOR, AUS) (original)", GAME_FLAGS )
 /* 0021-01 */ GAME( 2000,virnba, naomi,    naomi,   naomi,    naomi,    ROT0, "Sega", "Virtua NBA (JPN, USA, EXP, KOR, AUS)", GAME_FLAGS )
 /* 0022 */ GAME( 2000, tduno2,   naomi,    naomim2, naomi,    naomi,    ROT0, "Sega", "Touch de Uno! 2", GAME_UNEMULATED_PROTECTION|GAME_FLAGS )
diff --git a/src/mame/mame.lst b/src/mame/mame.lst
index 4bbe2e3b875..044d0419eec 100644
--- a/src/mame/mame.lst
+++ b/src/mame/mame.lst
@@ -4809,6 +4809,7 @@ totd			// 2000.01 The Typing of the Dead (Rev A)
 tduno2			// 2000.02 Touch de UNO! 2
 virnba			// 2000.02 Virtua NBA
 virnbao			// 2000.02 Virtua NBA (original)
+virnbap			// 2000.02 Virtua NBA (prototype)
 mvsc2			// 2000.03 Marvel Vs. Capcom 2 New Age of Heroes (Rev A)
 smarinef		// 2000.03 Sega Marine Fishing
 wldkicks		// 2000.03 World Kicks