diff --git a/src/mame/drivers/twinbskt.cpp b/src/mame/drivers/twinbskt.cpp
index 20bb3cd17f8..52b52d56b4a 100644
--- a/src/mame/drivers/twinbskt.cpp
+++ b/src/mame/drivers/twinbskt.cpp
@@ -9,6 +9,38 @@
     	  ST6228 core
     	- Everything else (peripherals, artwork, etc.)
 
+  ___________________________________________________________________________________
+  |  _______  _______  _______   ________  _____  ___________   ____________         |
+  |  | RELAY| | RELAY| | RELAY|  |_CONN__| |CONN| |___CONN___| | 3 x FUSES  |     __ |
+  |  |______| |______| |______|                                |            |CN2->|_||
+  |__    _________  _________                                  |____________|     __ |
+  || |   |ULN2803A| |ULN2803A|         TDA2040                                    | ||
+  || |   _________  _________                                     _________       |C||
+  || |   |74HC374N| |74HC374N|   ___________                      M74HC244B1      |O||
+  || |                           |ISD2590P  |                     _________       |N||
+  || |<-CN9                      |__________|                     M74HC244B1      |N||
+  || | ________  ________  _______  _________                                     | ||
+  ||_| |74HC374N |74HC374N ULN2064B |74HC374N|                    _________       |_||
+  |__       ___  ________  _______  _________                     M74HC244B1      __ |
+  || |    93C46N |74HC374N ULN2064B |74HC374N|                    _________  SW2->| ||
+  || |        _______  ______  ______  ______                     M74HC244B1 4DIPS|_||
+  ||_|<-LEFT  74LS47N  74LS47N 74LS138 74LS138             XTAL   ___________     __ |
+  |__  DIGITS                                            8.000MHz |ST62T25B6 |    | ||
+  || |                                                            |__________|    | || 
+  || |<-RIGHT                                                                SW1->|_||
+  ||_| DIGITS                                                                8DIPS   |
+  |__                                                                             __ |
+  || |                                                                            | ||
+  || |<-CN8                                                                  CN7->| ||
+  || |  _________  _________  _________  _________  _________  ________  ________ | ||
+  || |  |ULN2803A| |ULN2803A| |ULN2803A| |ULN2803A| |ULN2803A| ULN2803A |ULN2803A|| ||
+  || |  _________  _________  _________  _________  _________  ________  ________ | ||
+  ||_|  |74HC374N| |74HC374N| |74HC374N| |74HC374N| |74HC374N| 74HC374N |74HC374N||_||
+  |  _______  _______  _______                                                       |
+  |  | RELAY| | RELAY| | RELAY|  ________  _____                                     |
+  |  |______| |______| |______|  |_CONN__| |CONN|       TWIN BASKET CPU-2            |
+  |__________________________________________________________________________________|
+
 *******************************************************************************/
 
 #include "emu.h"
@@ -43,9 +75,12 @@ void twinbskt_state::twinbskt(machine_config &config)
 ROM_START( twinbskt )
 	ROM_REGION( 0x1000, "maincpu", 0 )
 	ROM_LOAD( "fab_b-159_b-basket.ic8", 0x0000, 0x1000, CRC(186f1de5) SHA1(d0bc48097e17d9515cec99f86bc92b1399fbeb0b) )
+
+	ROM_REGION( 0x1000, "samples", 0 )
+	ROM_LOAD( "isd2590p.bin", 0x0000, 0x1000, NO_DUMP ) // ROM size unknown
 ROM_END
 
 } // anonymous namespace
 
 //    YEAR  NAME      PARENT  MACHINE   INPUT     CLASS           INIT        ROT   COMPANY               FULLNAME       FLAGS
-GAME( 1995, twinbskt, 0,      twinbskt, twinbskt, twinbskt_state, empty_init, ROT0, "Automatics Pasqual", "Twin Basket", MACHINE_IS_SKELETON )
+GAME( 1995, twinbskt, 0,      twinbskt, twinbskt, twinbskt_state, empty_init, ROT0, "Automatics Pasqual", "Twin Basket", MACHINE_IS_SKELETON_MECHANICAL )