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author Ivan Vangelista <mesgnet@yahoo.it>2019-04-17 16:56:40 +0200
committer Ivan Vangelista <mesgnet@yahoo.it>2019-04-17 16:56:40 +0200
commite2b39bb2e37974102eef7c664d218e443fc45aa6 (patch)
tree15a12e012e821b90e117a10fc24712a941e39e4e
parent83f7c54d3b696697187652d36d7c89d75b45d888 (diff)
new not working machines
----------------------------------------------------------------------------- Multi-Action 6710-13 [Brian Troha, The Dumping Union] Multi-Action 7551 [Brian Troha, The Dumping Union] Multi-Action 7556 [Brian Troha, The Dumping Union]
-rw-r--r--scripts/target/mame/arcade.lua1
-rw-r--r--src/mame/arcade.flt1
-rw-r--r--src/mame/drivers/merit3xx.cpp533
-rw-r--r--src/mame/mame.lst5
4 files changed, 540 insertions, 0 deletions
diff --git a/scripts/target/mame/arcade.lua b/scripts/target/mame/arcade.lua
index 62627bad7c3..470e669cd34 100644
--- a/scripts/target/mame/arcade.lua
+++ b/scripts/target/mame/arcade.lua
@@ -2615,6 +2615,7 @@ createMAMEProjects(_target, _subtarget, "merit")
files {
MAME_DIR .. "src/mame/drivers/mgames.cpp",
MAME_DIR .. "src/mame/drivers/merit.cpp",
+ MAME_DIR .. "src/mame/drivers/merit3xx.cpp",
MAME_DIR .. "src/mame/drivers/meritm.cpp",
MAME_DIR .. "src/mame/drivers/mtouchxl.cpp",
MAME_DIR .. "src/mame/machine/at.h",
diff --git a/src/mame/arcade.flt b/src/mame/arcade.flt
index ee5d6249eaa..cab44be1273 100644
--- a/src/mame/arcade.flt
+++ b/src/mame/arcade.flt
@@ -720,6 +720,7 @@ megazone.cpp
meijinsn.cpp
mephistp.cpp
merit.cpp
+merit3xx.cpp
meritm.cpp
mermaid.cpp
metalmx.cpp
diff --git a/src/mame/drivers/merit3xx.cpp b/src/mame/drivers/merit3xx.cpp
new file mode 100644
index 00000000000..c36def00d44
--- /dev/null
+++ b/src/mame/drivers/merit3xx.cpp
@@ -0,0 +1,533 @@
+// license:BSD-3-Clause
+// copyright-holders:
+
+/*
+The CRT-300 is an extension of CRT-250/CRT-260 boards found in meritm.cpp.
+
+Merit - Multi-Action 6710-13 Touchscreen game
+
+MERIT CRT-300 REV A:
++------------------------------------------------------------+
+| U45# HY6264ALP-10 10.000000MHz |
+| |
+| U46 HY6264ALP-10 |
+| |
+| U47 HD46505SP-2 +-|
+| | |
+| U48 ADV476KN35 | |
+| | |
+| PAL16l8ACN.U14 |J|
+| |2|
+|U7** PAL20L10NC.U8 | |
+| | |
+|DS1225Y.U6 PAL20L10NC.U1 PC16550DN | |
+| | |
+|U5* U20* DSW 1.84MHz +-|
+| +-|
+| YM2149F | |
+| | |
+| Z8400BB1-Z80B D8255AC-2 | |
+| |J|
+|10.000MHz DS1231-50 D8255AC-2 |1|
+| | |
+| | |
+| | |
+|VOLUME MB3731 | |
++----------------------------------------------------------+-+
+
+ CPU: Z80B 6MHz part Clocked @ 5MHz (10MHz/2)
+Video: HD46505SP-2 CRT controller (enhanced) 2MHz AKA HD68B45SP compatible with MC68B45P
+ ADV476KN35 CMOS Monolithic 256x18 Color Palette RAM-DAC PS/2 & VGA compatible
+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
+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
+
+* 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
+
+Connectors:
+ J1 80-pin connector to backplane & wire harness
+ J2 80-pin connector to backplane & wire harness
+
+# Denotes unpopulated
+
+ROMs on CRT-300 mainboard:
+
+U-46
+DC-350
+
+U-47
+DC-350
+
+U-48
+DC-350
+
+
+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
+
+U-1
+DC-350
+Ticket
+
+U-2
+DC-350
+Ticket
+
+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 look to be basic Poker games, Blackjack & Super 8 Slots
+Copyright is 1989
+
+---------------------------------------------------------------------------------------------
+
+The CRT-350 is an extension of CRT-300 that allows for memory (ROM) expansion.
+
+Merit MULTI-ACTION 7551-21-R2P - Touchscreen game
+
+MERIT CRT-350 REV C (and REV B):
++------------------------------------------------------------+
+| U45* HY6264ALP-10 10.000000MHz |
+| |
+| U46 HY6264ALP-10 |
+| |
+| U47 HD46505SP-2 +-|
+| | |
+| U48 IMSG176P-40 | |
+| | |
+|U7* PAL16l8ACN.U14 |J|
+| |2|
+|U6* PAL20L10NC.U8 | |
+| | |
+|U5* PAL20L10NC.U4A PC16550DN | |
+| | |
+||===========J14==========| DSW 1.84MHz +-|
+| +-|
+| YM2149F | |
+| | |
+| Z0840006PSC-Z80B D8255AC-2 | |
+| |J|
+|10.000MHz DS1231-50 D8255AC-2 |1|
+| | |
+| | |
+| | |
+|VOLUME LM383T | |
++----------------------------------------------------------+-+
+
+ CPU: Z80B 6MHz part Clocked @ 5MHz (10MHz/2)
+Video: HD46505SP-2 CRT controller (enhanced) 2MHz AKA HD68B45SP compatible with MC68B45P
+ inmos IMS G176 High performance CMOS color look-up table
+Sound: Yamaha YM2149F or AY-3-8910A
+ LM383T 7-Watt Audio High Power Amplifier (rev C PCB only)
+ 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
+Other: PC16550DN UART with FIFO clocked @ 1.84MHz
+ D8255AC Programmable Peripheral Interface chip x 2
+ DS1231 Power Monitor Chip
+
+Connectors:
+ J1 80-pin connector to CRT-351 backplane & wire harness
+ J2 80-pin connector to CRT-351 backplane & wire harness
+ J14 64-pin connector for CRT-352 Expansion board (96 pins, but middle row pins removed)
+
+* Denotes unpopulated
+
+
+MEMORY EXPANSION BOARD CRT-352 rev A
++--------------------------+
+| U11* U15 |
+| |
+| U10 U14 |
+| |
+| U9 U13 |
+| |
+| U8 U12 |
+| |
+| 74HC245 INS8250N |
+| |
+| DS1225Y.U7 PAL 1.84MHz |
+| |
+| DS1216.U18 GAL20XV10B |
+| |
+| DS1230Y.U17 |
+| |
+||===========J1===========||
+| |
+| 74HC541N DSW |
++--------------------------+
+
+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)
+
+Connectors:
+ J1 96-pin female receiver to connect to CRT-350 main board (64 pins used, middle row pins not connected)
+
+* Denotes unpopulated
+
+
+CRT-351
++----------------------------------------------------------------------------+
+| |=J5==| |---------------------------J3-------------------------------||
+| |===J6===| |=====J4=====||
+| JPR3 |-J7-||
+| |=============J2=============||=============J1===============||
++----------------------------------------------------------------------------+
+
+J1 80-pin connector to J1 connector on the CRT-350 mainboard
+J2 80-pin connector to J2 connector on the CRT-350 mainboard
+J3 65-pin single row connector for wire harness
+J4 40-pin dual row connector for printer
+J5 16-pin dual row connector for unknown
+J7 17-pin single row connector for unknown (some kind of jumper block)
+JPR3 is a 3 pin jumper: Pins 1&2 = Printer, pins 2&3= Hopper
+
+
+
+Main PCB graphics roms (on main board):
+
+U46
+NC $
+
+U47
+NC $
+
+U48
+NC $
+
+
+
+Program ROMs on Expansion board:
+
+U11 *Empty U15
+ 7551-21-R2P
+
+U10 U14
+7551-21-R2P 7551-21-R2P
+
+U9 U13
+7551-21-R2P 7551-21-R2P
+
+U8 U12
+7551-21-R2P 7551-21-R2P
+
+
+According to U14:
+ INVALID DIPSWITCH SETTING
+ ENABLE AT LEAST TWO GAMES
+ CS1-1 ON =JOKER POKER
+ CS1-2 ON =DEUCES
+ CS1-3 ON =FEVER POKER
+ CS1-4 ON =JACKS POKER
+ CS1-5 ON =BLACKJACK
+ CS1-6 ON =KENO WILD
+ CS1-7 ON =TBALL KENO
+ CS1-8 ON =BINGO
+ CSW1-1 ON =DOLR JACKS
+ CSW1-2 ON =DOLR DEUCE
+ 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
+
+-------------------------------------------------------------
+
+Merit MULTI-ACTION 7556-00-R2 - Touchscreen game
+
+MERIT CRT-350 REV C (and REV B):
++------------------------------------------------------------+
+| U45* HY6264ALP-10 10.000000MHz |
+| |
+| U46 HY6264ALP-10 |
+| |
+| U47 HD46505SP-2 +-|
+| | |
+| U48 IMSG176P-40 | |
+| | |
+|U7* PAL16l8ACN.U14 |J|
+| |2|
+|U6* PAL20L10NC.U8 | |
+| | |
+|U5* PAL20L10NC.U4A PC16550DN | |
+| | |
+||===========J14==========| DSW 1.84MHz +-|
+| +-|
+| YM2149F | |
+| | |
+| Z0840006PSC-Z80B D8255AC-2 | |
+| |J|
+|10.000MHz DS1231-50 D8255AC-2 |1|
+| | |
+| | |
+| | |
+|VOLUME LM383T | |
++----------------------------------------------------------+-+
+
+ CPU: Z80B 6MHz part Clocked @ 5MHz (10MHz/2)
+Video: HD46505SP-2 CRT controller (enhanced) 2MHz AKA HD68B45SP compatible with MC68B45P
+ inmos IMS G176 High performance CMOS color look-up table compatible to
+ ADV476KN35 CMOS Monolithic 256x18 Color Palette RAM-DAC
+Sound: Yamaha YM2149F or AY-3-8910A
+ LM383T 7-Watt Audio High Power Amplifier (rev C PCB only)
+ 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
+Other: PC16550DN UART with FIFO clocked @ 1.84MHz
+ D8255AC Programmable Peripheral Interface chip x 2
+ DS1231 Power Monitor Chip
+
+Connectors:
+ J1 80-pin connector to CRT-351 backplane & wire harness
+ J2 80-pin connector to CRT-351 backplane & wire harness
+ J14 64-pin connector for CRT-352 Expansion board (96 pins, but middle row pins removed)
+
+* Denotes unpopulated
+
+
+MEMORY EXPANSION BOARD CRT-352 rev A
++--------------------------+
+| U11* U15 |
+| |
+| U10 U14 |
+| |
+| U9 U13 |
+| |
+| U8 U12 |
+| |
+| 74HC245 INS8250N |
+| |
+| DS1225Y.U7 PAL 1.84MHz |
+| |
+| DS1216.U18 GAL20XV10B |
+| |
+| DS1230Y.U17 |
+| |
+||===========J1===========||
+| |
+| 74HC541N DSW |
++--------------------------+
+
+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)
+ 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
+
+Connectors:
+ J1 96-pin female receiver to connect to CRT-350 main board (64 pins used, middle row pins not connected)
+
+* Denotes unpopulated
+
+
+CRT-351
++----------------------------------------------------------------------------+
+| |=J5==| |---------------------------J3-------------------------------||
+| |===J6===| |=====J4=====||
+| JPR3 |-J7-||
+| |=============J2=============||=============J1===============||
++----------------------------------------------------------------------------+
+
+J1 80-pin connector to J1 connector on the CRT-350 mainboard
+J2 80-pin connector to J2 connector on the CRT-350 mainboard
+J3 65-pin single row connector for wire harness
+J4 40-pin dual row connector for printer
+J5 16-pin dual row connector for unknown
+J7 17-pin single row connector for unknown (some kind of jumper block)
+JPR3 is a 3 pin jumper: Pins 1&2 = Printer, pins 2&3= Hopper
+
+
+Main PCB graphics roms (on main board):
+
+U46
+MLT8
+ck:8bbe
+
+U47
+MLT8
+ck:0262
+
+U48
+MLT8
+ck:9daa
+
+
+
+Program ROMs on Expansion board:
+
+U11 *Empty U15
+ 7556-01-r0
+ add3
+
+U10 U14
+7556-01-r0 7556-01-r0
+7c21 dff2
+
+U9 U13
+7556-01-r0 7556-01-r0
+ef1e 7c21
+
+U8 U12
+7556-01-r0 7556-00-r2
+23c6
+
+
+According to U14:
+ INVALID DIPSWITCH SETTING
+ ENABLE AT LEAST TWO GAMES
+ CS1-1 ON =JOKER POKER
+ CS1-2 ON =DEUCES
+ CS1-3 ON =FEVER POKER
+ CS1-4 ON =JACKS POKER
+ CS1-5 ON =BLACKJACK
+ CS1-6 ON =KENO WILD
+ CS1-7 ON =TBALL KENO
+ CS1-8 ON =BINGO
+ CSW1-1 ON =DOLR JACKS
+ CSW1-2 ON =DOLR DEUCE
+ 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
+*/
+
+#include "emu.h"
+#include "screen.h"
+#include "cpu/z80/z80.h"
+#include "machine/ds1204.h"
+#include "machine/i8255.h"
+#include "machine/ins8250.h"
+#include "machine/microtch.h"
+#include "machine/nvram.h"
+#include "sound/ay8910.h"
+#include "video/mc6845.h"
+
+class merit3xx_state : public driver_device
+{
+public:
+ merit3xx_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag),
+ m_maincpu(*this, "maincpu")
+ { }
+
+ void merit3xx(machine_config &config);
+
+private:
+ required_device<cpu_device> m_maincpu;
+
+ uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
+ void main_map(address_map &map);
+};
+
+
+uint32_t merit3xx_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
+{
+ return 0;
+}
+
+void merit3xx_state::main_map(address_map &map)
+{
+}
+
+static INPUT_PORTS_START( merit3xx )
+INPUT_PORTS_END
+
+
+void merit3xx_state::merit3xx(machine_config &config)
+{
+ Z80(config, m_maincpu, 10_MHz_XTAL / 2);
+ m_maincpu->set_addrmap(AS_PROGRAM, &merit3xx_state::main_map);
+}
+
+
+
+ROM_START( ma6710 )
+ ROM_REGION(0x20000, "maincpu", 0)
+ ROM_LOAD( "u-1_dc-350_ticket.u1", 0x00000, 0x10000, CRC(33aa53ce) SHA1(828d6f4828d5d90777c573a6870d800ae6a51425) )
+ ROM_LOAD( "u-2_dc-350_ticket.u2", 0x10000, 0x10000, CRC(fcac2391) SHA1(df9a1834441569fef876594aaef7d364831dbae6) )
+
+ ROM_REGION( 0x30000, "gfx1", 0 )
+ ROM_LOAD( "u-46_dc-350.u46", 0x00000, 0x10000, CRC(3765a026) SHA1(cdb47d4b3775bec4b3ab16636d795ad737344166) )
+ ROM_LOAD( "u-47_dc-350.u47", 0x10000, 0x10000, CRC(bbcf8280) SHA1(83c6fd84bdd09dd82506d81be1cbae797fd59347) )
+ ROM_LOAD( "u-48_dc-350.u48", 0x20000, 0x10000, CRC(b93a0481) SHA1(df60d81fb68bd868ce94f8b313896d6d31e54ad4) )
+
+ ROM_REGION( 0x4000, "nvram", 0 )
+ ROM_LOAD( "ds1225y.u6", 0x0000, 0x2000, CRC(78fd0284) SHA1(37aa7deaafc6faad7505cd56a442913b35f54166) )
+ ROM_LOAD( "bq4010.u5", 0x2000, 0x2000, CRC(003ea272) SHA1(3f464a0189af49470b33825a00905df6b156913f) )
+ROM_END
+
+
+ROM_START( ma7551 )
+ ROM_REGION(0x40000, "maincpu", 0)
+ ROM_LOAD( "u8_7551-21-r2p.u8", 0x00000, 0x08000, CRC(a2ae7a03) SHA1(2d923cf068fd1b9bd5f48a110f5155b876b9ba37) )
+ ROM_LOAD( "u9_7551-21-r2p.u9", 0x08000, 0x08000, CRC(2e669bc9) SHA1(376e808a62e92169a5ae34b9ef808fe4eda6c13c) )
+ ROM_LOAD( "u10_7551-21-r2p.u10", 0x10000, 0x08000, CRC(e9425269) SHA1(030a3d9beafd08c5a571672fb6987525c8d9a0f5) )
+ // u11 not populated
+ ROM_LOAD( "u12_7551-21-r2p.u12", 0x20000, 0x08000, CRC(8ca19c9c) SHA1(a694a9be8b6d2beea8ee171dcfb2fa64eb6af14c) )
+ ROM_LOAD( "u13_7551-21-r2p.u13", 0x28000, 0x08000, CRC(9194d993) SHA1(52d094f55c329a7f0b4bf1dd02a7784e9a9faa12) )
+ ROM_LOAD( "u14_7551-21-r2p.u14", 0x30000, 0x08000, CRC(fe993b57) SHA1(4c872b3dff278298558493f6fd9a64be63613956) )
+ ROM_LOAD( "u15_7551-21-r2p.u15", 0x38000, 0x08000, CRC(31283190) SHA1(153601d5df7fbbc116f876399ce194797175be2f) )
+
+ ROM_REGION( 0x30000, "gfx1", 0 )
+ ROM_LOAD( "u46_nc+.u46", 0x00000, 0x10000, CRC(5140ca67) SHA1(0f5f7062cd874529630fd6f58e640c11f0692786) )
+ ROM_LOAD( "u47_nc+.u47", 0x10000, 0x10000, CRC(5f1d8ffa) SHA1(c8fe36f91ddd634e6d66434342b8dafdc1ffa332) )
+ ROM_LOAD( "u48_nc+.u48", 0x20000, 0x10000, CRC(1ef22a70) SHA1(f33db37dc6e2ded3a39907eb5f5ea6306fd6f8b0) )
+
+ ROM_REGION( 0xa000, "nvram", 0 )
+ ROM_LOAD( "dallas_ds1225y-150.u7", 0x0000, 0x2000, CRC(2526c25c) SHA1(fe7d54e65dc7bd93576f496160f63b3c8e8c128b) )
+ ROM_LOAD( "dallas_ds1230y-120.u7", 0x2000, 0x8000, CRC(54099035) SHA1(2a8854a862bc24ff72470660e60e9e4228158b42) )
+ROM_END
+
+
+ROM_START( ma7556 )
+ ROM_REGION(0x40000, "maincpu", 0)
+ ROM_LOAD( "u8_7556-01-r0_23c6.u8", 0x00000, 0x08000, CRC(4dfca3d2) SHA1(2d8cc59edad12368dbc267b763af46e095599bc0) )
+ ROM_LOAD( "u9_7556-01-r0_ef1e.u9", 0x08000, 0x08000, CRC(142370d6) SHA1(cb32f204b7bf78874990ef438fd5115cc3ed140e) )
+ ROM_LOAD( "u10_7556-01-r0_ef8f.u10", 0x10000, 0x08000, CRC(f2dfb326) SHA1(b50a234ad649d41fb50c6eec345fa9414de6cec9) )
+ // u11 not populated
+ ROM_LOAD( "u12_7556-00-r2.u12", 0x20000, 0x08000, CRC(34357c5d) SHA1(f71db3cd5ced70a709ecb8de1328c12666abc047) )
+ ROM_LOAD( "u13_7556-01-r0_7c21.u13", 0x28000, 0x08000, CRC(5288eecc) SHA1(efd569beb22b8a9354520e7755bd797724593a0a) )
+ ROM_LOAD( "u14_7556-01-r0_dff2.u14", 0x30000, 0x08000, CRC(9e5518c1) SHA1(37ed33118d87f0699845f84c820569666ac8c533) )
+ ROM_LOAD( "u15_7556-01-r0_add3.u15", 0x38000, 0x08000, CRC(83e5f4cd) SHA1(15b999169b28fb267ec8a265c915c1d366e57655) )
+
+ ROM_REGION( 0x30000, "gfx1", 0 )
+ ROM_LOAD( "u46_mlt8_ck-8bbe.u46", 0x00000, 0x10000, CRC(32c11634) SHA1(26f3c5c220b45e8eedad940ff94dc5ef6f89e3fa) )
+ ROM_LOAD( "u47_mlt8_ck-0262.u47", 0x10000, 0x10000, CRC(5781bdd7) SHA1(e3f920dd1c247f92044100e28fc39d48b02b6a4b) )
+ ROM_LOAD( "u48_mlt8_ck-9daa.u48", 0x20000, 0x10000, CRC(52ac8411) SHA1(9941388b90b6b91c1dab9286db588f0032620ea4) )
+
+ ROM_REGION( 0xa000, "nvram", 0 )
+ ROM_LOAD( "dallas_ds1225y-200.u7", 0x0000, 0x2000, BAD_DUMP CRC(5b635a95) SHA1(dd347258ba9e000963da75af5ac383c09b60be0b) )
+ ROM_LOAD( "dallas_ds1230y-200.u17", 0x2000, 0x8000, BAD_DUMP CRC(e0c07037) SHA1(c6674a79a51f5aacca4a9e9bd19a2ce475c98b47) )
+ROM_END
+
+// CRT-300 games
+GAME( 1989, ma6710, 0, merit3xx, merit3xx, merit3xx_state, empty_init, ROT0, "Merit", "Multi-Action 6710-13", MACHINE_IS_SKELETON )
+
+// CRT-350 games
+GAME( 199?, ma7551, 0, merit3xx, merit3xx, merit3xx_state, empty_init, ROT0, "Merit", "Multi-Action 7551", MACHINE_IS_SKELETON )
+GAME( 199?, ma7556, 0, merit3xx, merit3xx, merit3xx_state, empty_init, ROT0, "Merit", "Multi-Action 7556", MACHINE_IS_SKELETON )
diff --git a/src/mame/mame.lst b/src/mame/mame.lst
index 51d90b5a79a..21d99836653 100644
--- a/src/mame/mame.lst
+++ b/src/mame/mame.lst
@@ -21262,6 +21262,11 @@ trvwzha // (c) 1985 Merit
trvwzhb // (c) 1985 Merit
trvwzv // (c) 1985 Merit
+@source:merit3xx.cpp
+ma6710 // (c) 1989 Merit
+ma7551 // (c) 199? Merit
+ma7556 // (c) 199? Merit
+
@source:meritm.cpp
americna // (c) 1987 Merit
americnaa // (c) 1987 Merit