diff --git a/src/mame/drivers/leapster.cpp b/src/mame/drivers/leapster.cpp
index 4da6dee7175..c2136c110cf 100644
--- a/src/mame/drivers/leapster.cpp
+++ b/src/mame/drivers/leapster.cpp
@@ -342,12 +342,14 @@ MACHINE_CONFIG_END
 
 ROM_START(leapster)
 	ROM_REGION(0x800000, "maincpu", ROMREGION_ERASE00)
-	ROM_SYSTEM_BIOS( 0,  "uni15",   "Universal 1.5" )    /* 152-10346 Leapster BaseROM Universal v1.5      - Sep 04 2003 10:46:47 */
+	ROM_SYSTEM_BIOS( 0, "uni15", "Universal 1.5" ) // 152-10346 Leapster BaseROM Universal v1.5 - Sep 04 2003 10:46:47
 	ROM_LOAD_BIOS( 0, "155-10072-a.bin"   , 0x00000, 0x200000, CRC(af05e5a0) SHA1(d4468d060543ba7e44785041093bc98bcd9afa07) )
-	ROM_SYSTEM_BIOS( 1,  "uk21",    "UK 2.1" )           /* 152-11452 Leapster BaseROM UK v2.1             - Aug 30 2005 16:01:46 */
+	ROM_SYSTEM_BIOS( 1, "uk21",  "UK 2.1" )        // 152-11452 Leapster BaseROM UK v2.1        - Aug 30 2005 16:01:46
 	ROM_LOAD_BIOS( 1, "leapster2_1004.bin", 0x00000, 0x800000, CRC(b466e14d) SHA1(910c234f03e76b7de55b8aa0a0c62fd1daae4910) )
-	ROM_SYSTEM_BIOS( 2,  "ger21",   "German 2.1" )       /* 152-11435 Leapster BaseROM German v2.1         - Oct 21 2005 18:53:59 */
+	ROM_SYSTEM_BIOS( 2, "ger21", "German 2.1" )    // 152-11435 Leapster BaseROM German v2.1    - Oct 21 2005 18:53:59
 	ROM_LOAD_BIOS( 2, "leapster2_1006.bin", 0x00000, 0x800000, CRC(a69ed8ca) SHA1(e6aacba0c39b1465f344c2b07ff1cbd8a395adac) )
+	ROM_SYSTEM_BIOS( 3, "sp10",  "Spanish 1.0" )   // 152-11546 Leapster Baserom SP v1.0        - Apr 03 2006 06:26:00
+	ROM_LOAD_BIOS( 3, "leapster2_1008.bin", 0x00000, 0x800000, CRC(b43345e7) SHA1(31c27e79568115bf36e5ef668f528e3005054152) )
 ROM_END
 
 ROM_START(leapstertv)