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-rw-r--r--src/mame/drivers/merits.cpp38
1 files changed, 30 insertions, 8 deletions
diff --git a/src/mame/drivers/merits.cpp b/src/mame/drivers/merits.cpp
index e8b31c4a185..cae04348da2 100644
--- a/src/mame/drivers/merits.cpp
+++ b/src/mame/drivers/merits.cpp
@@ -3,7 +3,8 @@
/*******************************************************************************
Skeleton driver for Merit Scorpion darts machines.
- The same PCB is used also on other Merit darts machines, like Regent Darts.
+ The same PCB is used also on other Merit darts machines, like Regent Darts
+ and Pub Time Darts II.
Hardware overview:
Main CPU: Dallas DS80C3202-UM or compatible (80C31 on older models)
@@ -116,16 +117,37 @@ ROM_START(scrpiondb)
ROM_LOAD( "4778-02_u7-r02_c1994_mii.u7", 0x00000, 0x10000, CRC(57a5083d) SHA1(edb94dbb9e040e960c45406b082ede133574351a) )
ROM_END
-// Very old PCB model ("© 1989 Merit Industries" silkcreened on PCB), i80C31 instead of 80C32 and without socket for DS1204U-3.
-ROM_START(scrpiondc)
+/* Older PCB (silkcreened "© 1989 Merit Industries"), i80C31 instead of 80C32 and without socket for DS1204U-3.
+ The "Solo Challenger" was an upgrade kit, including a replacement EEPROM, a new button, some new art, and a
+ complete manual with schematics.
+ The standard "Pub Time Darts II Plus 2" machine had a separate PCB for cheat detection with ultrasounds
+ (named MIC/ULTRA BOARD):
+ ____________________________________________
+ | : RCA CONNECTORS -> (o) (o) (o) (o) (o) |
+ | : <- CONN J2 |
+ | _________ |
+ | |_MPQ2484| |
+ | _________ CONN J9 |
+ | 4116R-001 ··· |
+ | _________ _________ _________ |
+ | |_TPQ2807| T74LS02B1 |_LM324N_| |
+ | _________ _________ |
+ | CD74HC4060E |_LM324N_| |
+ | _________ _________ _________ |
+ | |_DM74123N| SN74LS08N SN74LS221N|
+ | CONN J10 -> ···· |
+ | :::::::::::::::::::::::::::::::::::::::::: |
+ |___________________CONN J1__________________|
+*/
+ROM_START(pubtimed2ch)
ROM_REGION(0x10000, "maincpu", 0)
ROM_LOAD( "challenger_r4b.u7", 0x00000, 0x08000, CRC(6d5c0634) SHA1(45f4ed2e984f2525a1ed680bbc2a11eab93b0bca) ) // 27256
ROM_END
} // Anonymous namespace
-// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
-GAME(1999, scrpiond, 0, scrpiond, scrpiond, merits_state, empty_init, ROT0, "Merit", "Scorpion (Jun 15, 1999)", MACHINE_IS_SKELETON_MECHANICAL)
-GAME(1997, scrpionda, scrpiond, scrpiond, scrpiond, merits_state, empty_init, ROT0, "Merit", "Scorpion (Oct 01, 1997)", MACHINE_IS_SKELETON_MECHANICAL)
-GAME(1993, scrpiondb, scrpiond, scrpiondold, scrpiond, merits_state, empty_init, ROT0, "Merit", "Scorpion (Dec 24, 1993)", MACHINE_IS_SKELETON_MECHANICAL)
-GAME(1992, scrpiondc, scrpiond, scrpiondold, scrpiond, merits_state, empty_init, ROT0, "Merit", "Scorpion (Mar 24, 1992)", MACHINE_IS_SKELETON_MECHANICAL)
+// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
+GAME(1999, scrpiond, 0, scrpiond, scrpiond, merits_state, empty_init, ROT0, "Merit", "Scorpion (Jun 15, 1999)", MACHINE_IS_SKELETON_MECHANICAL)
+GAME(1997, scrpionda, scrpiond, scrpiond, scrpiond, merits_state, empty_init, ROT0, "Merit", "Scorpion (Oct 01, 1997)", MACHINE_IS_SKELETON_MECHANICAL)
+GAME(1993, scrpiondb, scrpiond, scrpiondold, scrpiond, merits_state, empty_init, ROT0, "Merit", "Scorpion (Dec 24, 1993)", MACHINE_IS_SKELETON_MECHANICAL)
+GAME(1992, pubtimed2ch, 0, scrpiondold, scrpiond, merits_state, empty_init, ROT0, "Merit", "Pub Time Darts II Plus 2 with Solo Challenger (Mar 24, 1992)", MACHINE_IS_SKELETON_MECHANICAL)