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merit/merit3xx.cpp: updated DIP switch spelling and other metadata up…
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@Osso13
Osso13 committed Feb 19, 2024
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Showing 1 changed file with 76 additions and 70 deletions.
146 changes: 76 additions & 70 deletions src/mame/merit/merit3xx.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,8 @@ The CRT-300 is an extension of CRT-250/CRT-260 boards found in meritm.cpp.
- Hanging at UART device check (PC=5e44)
- Never initializes RAMDAC;
- Never initializes CRTC on 350 games;
- Map secondary NVRAM module
- Map / connect up Dallas DS1216 RTC
===================================================================================================
Expand Down Expand Up @@ -49,12 +51,14 @@ Sound: AY8930
MB3731 18-Watt BTL Power Amplifier
RAM: 6264 8K High Speed CMOS Static RAM x 2
OSC: 10.00MHz x 2, 1.85MHz
DSW: 8 switch dipswitch block labeled S1
DSW: 8 switch DIP switch block labeled S1
Other: PC16550DN UART with FIFO clocked @ 1.84MHz
D8255AC Programmable Peripheral Interface chip x 2
DS1225Y-200 Dallas 8Kx8 NVRAM @ U6
DS1231 Power Monitor Chip
Note: U46 through U47 are for graphics ROMs which matched to the specific game/set
* U5 is a 28pin female socket, U20 is 28pin male socket
** U7 is a stacked DS1216 Dallas 2Kx8 SmartWatch RTC + BENCHMARQ bq4010YMA-150 8Kx8 NVRAM
Expand All @@ -64,7 +68,7 @@ Other: PC16550DN UART with FIFO clocked @ 1.84MHz
# Denotes unpopulated
ROMs on CRT-300 mainboard:
Graphics ROMs (on main board):
U-46
DC-350
Expand All @@ -84,7 +88,7 @@ CRT-307 rev A
| U2 74LS00N |
+----------------+
Other: 8 switch dipswitch block labeled SW1
Other: 8 switch DIP switch block labeled SW1
28pinM 28pin male socket to plug into U5
28pinF 28pin female socket to receive U20
Expand All @@ -98,56 +102,14 @@ U-2
DC-350
Ticket
Snooping around the U1 & U2 roms with a hex editor shows the game uses a Printer & Modem.
Snooping around the U1 & U2 ROMs with a hex editor shows the game uses a Printer & Modem.
Game can be played in English or French
Games are: Joker Poker, Aces or Better, Jacks or Better, Super Eight & Blackjack
Copyright is 1989
---------------------------------------------------------------------------------------------======================================================================
Merit - Multi-Action 6710-21
ROMs on CRT-350 mainboard:
MLTP
U46
MLTP
U47
MLTP
U48
CRT-307 rev A
+----------------+
| 28pinM 28pinF |
| U1 74LS541N |
| SW1 |
| U2 74LS00N |
+----------------+
Other: 8 switch dipswitch block labeled SW1
28pinM 28pin male socket to plug into U5
28pinF 28pin female socket to receive U20
ROMs on CRT-307 daughter board
6710-21
U1
5c
6710-21
U2
5c
Snooping around the U1 & U2 roms with a hex editor shows the game uses a Printer & Modem.
Game can be played in English or French
Games are: Joker Poker, Aces or Better, Jacks or Better, Super Eight & Blackjack
---------------------------------------------------------------------------------------------
******************************************************************************
The CRT-350 is an extension of CRT-300 that allows for memory (ROM) expansion.
The CRT-350 is an extension/revision of CRT-300
MERIT CRT-350 REV C (and REV B):
+------------------------------------------------------------+
Expand Down Expand Up @@ -186,11 +148,13 @@ Sound: Yamaha YM2149F or AY-3-8910A
MB3731 18-Watt BTL Power Amplifier (rev B PCB only)
RAM: 6264 8K High Speed CMOS Static RAM x 2
OSC: 10.00MHz x 2, 1.85MHz
DSW: 8 switch dipswitch block labeled S1
DSW: 8 switch DIP switch block labeled S1
Other: PC16550DN UART with FIFO clocked @ 1.84MHz
D8255AC Programmable Peripheral Interface chip x 2
DS1231 Power Monitor Chip
Note: U46 through U47 are for graphics ROMs which matched to the specific game/set
Connectors:
J1 80-pin connector to CRT-351 backplane & wire harness
J2 80-pin connector to CRT-351 backplane & wire harness
Expand Down Expand Up @@ -226,7 +190,7 @@ Other: DS1225Y-200 Dallas 8Kx8 NVRAM
DS1230Y-200 Dallas 32Kx8 NVRAM
DS1216 Dallas 2Kx8 SmartWatch RTC
PC16550DN UART with FIFO clocked @ 1.84MHz
8 switch dipswitch block labeled SW1 (enable/disable games)
8 switch DIP switch block labeled SW1 (enable/disable games)
Connectors:
J1 96-pin female receiver to connect to CRT-350 main board (64 pins used, middle row pins not connected)
Expand All @@ -253,11 +217,54 @@ JPR3 is a 3 pin jumper: Pins 1&2 = Printer, pins 2&3= Hopper
******************************************************************************
Merit - Multi-Action 6710-21
MERIT CRT-350 REV C + CRT-307 rev A daughter board
Graphics ROMs (on main board):
MLTP
U46
MLTP
U47
MLTP
U48
Other: Dallas DS1235YW 32Kx8 NVRAM @ U6
Dallas DS1225Y 8Kx8 NVRAM stacked on a DS1216 Dallas 2Kx8 SmartWatch RTC @ U7
NOTE: These are mounted to the mainboard, no room on the CRT-307 rev A board
CRT-307 rev A
+----------------+
| 28pinM 28pinF |
| U1 74LS541N |
| SW1 |
| U2 74LS00N |
+----------------+
ROMs on CRT-307 daughter board
6710-21
U1
5c
6710-21
U2
5c
Snooping around the U1 & U2 ROMs with a hex editor shows the game uses a Printer & Modem.
Game can be played in English or French
Games are: Joker Poker, Aces or Better, Jacks or Better, Super Eight & Blackjack
******************************************************************************
7551-20-R3T
MERIT CRT-350 REV C + MEMORY EXPANSION BOARD CRT-352 rev A
Main PCB graphics roms (on main board):
Graphics ROMs (on main board):
U46
DMA6
Expand Down Expand Up @@ -307,16 +314,16 @@ According to U14:
CSW1-3 ON =5# KENO
CSW1-4 ON =ADDEM
Dipswitch on CRT-350 main is labeled S1
Dipswitch on CRT-352 MEM is labeled SW1
DIP switch on CRT-350 main is labeled S1
DIP switch on CRT-352 MEM is labeled SW1
******************************************************************************
Merit MULTI-ACTION 7551-21-R2P
MERIT CRT-350 REV C + MEMORY EXPANSION BOARD CRT-352 rev A
Main PCB graphics roms (on main board):
Graphics ROMs (on main board):
U46
NC $
Expand Down Expand Up @@ -359,16 +366,16 @@ According to U14:
CSW1-3 ON =5# KENO
CSW1-4 ON =ADDEM
Dipswitch on CRT-350 main is labeled S1
Dipswitch on CRT-352 MEM is labeled SW1
DIP switch on CRT-350 main is labeled S1
DIP switch on CRT-352 MEM is labeled SW1
******************************************************************************
Merit MULTI-ACTION 7556-00-R2
MERIT CRT-350 REV C + MEMORY EXPANSION BOARD CRT-352 rev A
Main PCB graphics roms (on main board):
Graphics ROMs (on main board):
U46
MLT8
Expand Down Expand Up @@ -420,8 +427,8 @@ According to U14:
CSW1-3 ON =5# KENO
CSW1-4 ON =TREASURE
Dipswitch on CRT-350 main is labeled S1
Dipswitch on CRT-352 MEM is labeled SW1
DIP switch on CRT-350 main is labeled S1
DIP switch on CRT-352 MEM is labeled SW1
NOTE: on this PCB pin28 on the DS1225Y was bent up so data was not correctly saved from PCB
on this PCB pin28 on the DS1130Y was broken so data was not correctly saved from PCB
Expand All @@ -432,7 +439,7 @@ Merit MULTI-ACTION 7558-01-R0 DS
MERIT CRT-350 REV B + MEMORY EXPANSION BOARD CRT-352 rev A
Main PCB graphics roms (on main board):
Graphics ROMs (on main board):
Multi-Action
7556-WV
Expand Down Expand Up @@ -482,16 +489,16 @@ According to U12:
CSW1-3 ON =D DOG (Dogs + Diamonds)
CSW1-4 ON =TR7 (Treasure Sevens)
Dipswitch on CRT-350 main is labeled S1
Dipswitch on CRT-352 MEM is labeled SW1
DIP switch on CRT-350 main is labeled S1
DIP switch on CRT-352 MEM is labeled SW1
******************************************************************************
Merit MULTI-ACTION 8350-00-00 R1
MERIT CRT-350 REV B + MEMORY EXPANSION BOARD CRT-352 rev A
Main PCB graphics roms (on main board):
Graphics ROMs (on main board):
MTP4
U46
Expand Down Expand Up @@ -531,8 +538,8 @@ According to U14:
CS1-4 ON =JACKS OR BETTER
CS1-5 ON =DEUCES WILD
Dipswitch on CRT-350 main is labeled S1
Dipswitch on CRT-352 MEM is labeled SW1
DIP switch on CRT-350 main is labeled S1
DIP switch on CRT-352 MEM is labeled SW1
*/

Expand Down Expand Up @@ -874,9 +881,8 @@ ROM_START( ma6710 ) // CRT-300 mainboard + CRT-307 rev A expansion board
ROM_REGION( 0x2000, "nvram", 0 )
ROM_LOAD( "ds1225y.u6", 0x0000, 0x2000, CRC(78fd0284) SHA1(37aa7deaafc6faad7505cd56a442913b35f54166) )

// DS1216?
ROM_REGION( 0x2000, "unk", 0 )
ROM_LOAD( "bq4010.u5", 0x0000, 0x2000, CRC(003ea272) SHA1(3f464a0189af49470b33825a00905df6b156913f) )
ROM_REGION( 0x2000, "nvram2", 0 )
ROM_LOAD( "bq4010.u5", 0x0000, 0x2000, CRC(003ea272) SHA1(3f464a0189af49470b33825a00905df6b156913f) ) // DS1225Y compatible
ROM_END


Expand All @@ -893,7 +899,7 @@ ROM_START( ma6710a ) // CRT-350 mainboard + CRT-307 rev A expansion board
ROM_REGION( 0x2000, "nvram", 0 )
ROM_LOAD( "ds1225y.u7", 0x0000, 0x2000, CRC(b2977ed0) SHA1(63cddd7af4bdd6734b67dbb38effe1057515fa37) )

ROM_REGION( 0x8000, "unk", 0 )
ROM_REGION( 0x8000, "nvram2", 0 )
ROM_LOAD( "ds1235yw.u16", 0x0000, 0x8000, CRC(52df2aa0) SHA1(ccfc99693010beedcc354d54d0fda9940469dfd4) )
ROM_END

Expand Down Expand Up @@ -1020,7 +1026,7 @@ ROM_END
} // anonymous namespace

// CRT-300 games
GAME( 1989, ma6710, 0, merit300, merit3xx, merit3xx_state, empty_init, ROT0, "Merit", "Multi-Action 6710-13", MACHINE_IS_SKELETON ) // build date is 04/25/96?
GAME( 1989, ma6710, 0, merit300, merit3xx, merit3xx_state, empty_init, ROT0, "Merit", "Multi-Action 6710-13", MACHINE_IS_SKELETON ) // build date is 04/25/96?

// CRT-350 games
GAME( 198?, ma6710a, 0, merit300, merit3xx, merit3xx_state, empty_init, ROT0, "Merit", "Multi-Action 6710-21", MACHINE_IS_SKELETON ) // build date is 01/12/99? - should be clone of ma6710??
Expand Down

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