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grobda3: MAME ROM Information.


Grobda (c) 1984 Namco.

A tank-like game that uses an overhead view. Enemy tanks attack in waves and they must be destroyed before they do the same to you.


Game ID : GR

Main CPU : M6809 (@ 1.536 Mhz)

Sound CPU : M6809 (@ 1.536 Mhz)

Sound Chips : Namco 8-channel WSG, custom DAC (for speech)

Players : 2

Control : 8-way joystick

Buttons : 2


Released in October 1984.

Grobda's tank was one of the enemies in "Xevious".


* Easter Egg :

1) Enter service mode.

2) Set coin A to 1 Coin / 1 Credit, set coin B to 1 Coin / 4 Credits, set Freeze to On, set Lives to 1, set Difficulty to Rank C, set Demo Sounds to Off, set Level Select to Off, set Bonus Life to 10k.

3) Press the service switch to display the grid and press (all together) Right+Button1+Start2.

4) '(c) NAMCO LTD. 1984' will appear on the screen.


Game designed and produced by : Masanobu Endoh (EVE200 End)

Programmed by : Hosei Wait

Music composed by : Yuri Keino

Engineer : Tall Ogawa

Graphic designed by : You. Shino

Debugged by : Tama Chang


* Consoles :

Sony PlayStation [JP] (Feb 09, 1996; "Namco Museum Vol.2 [Model SLPS-00209]")

Sony PlayStation [JP] (Feb 09, 1996; "Namco Museum Vol.2 [Model SLPS-00210]")

Sony PSP (2005, "Namco Museum Battle Collection")

Microsoft XBOX 360 (2008, "Namco Museum Virtual Arcade")

Nintendo Wii (2010, "Namco Museum Megamix")

* Computers :

NEC PC-6001 Mk2 (198?)

PC [MS Windows, CD-Rom] (1997, Namco History Vol.2")


Game's rom.

Machine's picture.

MAME Info:

0.37b1 [Manuel Abadia]

0.35b13 [Manuel Abadia]


- 0.133u1: Brian Troha added DIP locations to Grobda.

- 0.87: anonymous changed 4-way Joystick back to 8-way.

- 0.84u6: Changed 8-way Joystick to 4-way.

- 0.79u1: Replaced Namco sound with Namco 15XX.

- 0.78u4: Changed description to 'Grobda (New Ver.)' and clones '(Old version set 1)' to '(Old Ver. set 1)' and '(Old version set 2)' to '(Old Ver. set 2)'. Fixed rom names.

- 0.61: Changed M6809 CPU1/2 clock speeds to 1536000 Hz.

- 0.37b12: Changed VSync to 60.606060Hz.

- 0.37b1: Changed 'Grobda (set 1)' to clone '(Old version set 2)' and clone '(set 3)' to parent 'Grobda (New version)'. Renamed (grobda) to (grobda3) and (grobda3) to (grobda).

- 27th March 2000: Manuel Abadia added cocktail support to Grobda.

- 6th December 1999: Manuel Abadia fixed a bug in m68k disassembler and another small bug in Grobda.

- 0.36b1: Zsolt Vasvari added "Get Ready!" speech to Grobda. Added DAC sound and changed M6809 CPU1/2 clock speeds to 1.5MHz.

- 16th July 1999: Nicola fixed Grobda's field edge graphics.

- 6th July 1999: Zsolt Vasvari added the "Get Ready" DAC sample to Grobda.

- 0.35b13: Manuel Abadia added Grobda (set 1) and clones (set 2) and (set 3). TODO: Cocktail mode.

- 9th May 1999: Manuel Abadia sent in a Grobda driver.

ARCADE RELEASE: Grobda (Namco) - 1984/Nov/01


Other Emulators:

* HiVE

Recommended Games (Cyber Tank):

Tron (Tank stage)


Mega Zone


Crater Raider


Heavy Metal



Vindicators Part II


Battle of the Solar System

Cyber Sled

Cyber Commando


Guardian Force

Romset: 53 kb / 11 files / 26.7 zip

MAME XML Output:

       <game name="grobda3" sourcefile="mappy.c" cloneof="grobda" romof="grobda">
              <description>Grobda (Old Ver. set 2)</description>
              <rom name="gr1-3.1d" size="8192" crc="4ef4a7c1" sha1="33367e63531601c3d4f4a7b2170cb1c87f6d72a7" region="maincpu" offset="a000"/>
              <rom name="gr1-2.1c" size="8192" crc="7dcc6e8e" sha1="7580686b7082432a79217c3d7b5ebfa0c25952e3" region="maincpu" offset="c000"/>
              <rom name="gr1-1.1b" size="8192" crc="32d42f22" sha1="f83d17029f19fc2e8bac183771dbf9d786a56681" region="maincpu" offset="e000"/>
              <rom name="gr1-4.1k" merge="gr1-4.1k" size="8192" crc="3fe78c08" sha1="dd49a96e613e0ced5b82eafcaf935e136e7db53a" region="sub" offset="e000"/>
              <rom name="gr1-7.3c" merge="gr1-7.3c" size="4096" crc="4ebfabfd" sha1="fffce05f59e090c4281aca0c0494825027b764fb" region="gfx1" offset="0"/>
              <rom name="gr1-5.3f" merge="gr1-5.3f" size="8192" crc="eed43487" sha1="d2b39651f39bdfca3754f7bbd7a52e7bf843dabe" region="gfx2" offset="0"/>
              <rom name="gr1-6.3e" merge="gr1-6.3e" size="8192" crc="cebb7362" sha1="6efd57f9fa0f93f70e60efc387b3a782fad2665c" region="gfx2" offset="2000"/>
              <rom name="gr1-6.4c" merge="gr1-6.4c" size="32" crc="c65efa77" sha1="ead74917744cb11556153bd6c09a987bc9c6ef08" region="proms" offset="0"/>
              <rom name="gr1-5.4e" merge="gr1-5.4e" size="256" crc="a0f66911" sha1="e08a56327055994e3d9e2c3816d57a3cc2434c88" region="proms" offset="20"/>
              <rom name="gr1-4.3l" merge="gr1-4.3l" size="256" crc="f1f2c234" sha1="d59879e7a598a363d8d9ac9e630ae698f14833f7" region="proms" offset="120"/>
              <rom name="gr1-3.3m" merge="gr1-3.3m" size="256" crc="66eb1467" sha1="02b99ced4afd9ac139f634739769f7bf353274f9" region="namco" offset="0"/>
              <chip type="cpu" tag="maincpu" name="M6809" clock="1536000"/>
              <chip type="cpu" tag="sub" name="M6809" clock="1536000"/>
              <chip type="audio" tag="mono" name="Speaker"/>
              <chip type="audio" tag="namco" name="Namco 15XX" clock="24000"/>
              <chip type="audio" tag="dac" name="DAC"/>
              <display tag="screen" type="raster" rotate="90" width="288" height="224" refresh="60.606061" pixclock="6144000" htotal="384" hbend="0" hbstart="288" vtotal="264" vbend="0" vbstart="224" />
              <sound channels="1"/>
              <input players="2" buttons="2" coins="2" service="yes">
                     <control type="joy" ways="8"/>
              <dipswitch name="Cabinet" tag="DSW0" mask="4">
                     <dipvalue name="Upright" value="4" default="yes"/>
                     <dipvalue name="Cocktail" value="0"/>
              <dipswitch name="Service Mode" tag="DSW1" mask="1">
                     <dipvalue name="Off" value="1" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="Coin A" tag="DSW1" mask="14">
                     <dipvalue name="4 Coins/1 Credit" value="0"/>
                     <dipvalue name="3 Coins/1 Credit" value="2"/>
                     <dipvalue name="2 Coins/1 Credit" value="6"/>
                     <dipvalue name="1 Coin/1 Credit" value="8" default="yes"/>
                     <dipvalue name="2 Coins/3 Credits" value="4"/>
                     <dipvalue name="1 Coin/2 Credits" value="10"/>
                     <dipvalue name="1 Coin/3 Credits" value="14"/>
                     <dipvalue name="1 Coin/4 Credits" value="12"/>
              <dipswitch name="Coin B" tag="DSW1" mask="112">
                     <dipvalue name="4 Coins/1 Credit" value="0"/>
                     <dipvalue name="3 Coins/1 Credit" value="16"/>
                     <dipvalue name="2 Coins/1 Credit" value="48"/>
                     <dipvalue name="1 Coin/1 Credit" value="64" default="yes"/>
                     <dipvalue name="2 Coins/3 Credits" value="32"/>
                     <dipvalue name="1 Coin/2 Credits" value="80"/>
                     <dipvalue name="1 Coin/3 Credits" value="112"/>
                     <dipvalue name="1 Coin/4 Credits" value="96"/>
              <dipswitch name="Freeze" tag="DSW1" mask="128">
                     <dipvalue name="Off" value="128" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="Lives" tag="DSW2" mask="3">
                     <dipvalue name="1" value="2"/>
                     <dipvalue name="2" value="1"/>
                     <dipvalue name="3" value="3" default="yes"/>
                     <dipvalue name="5" value="0"/>
              <dipswitch name="Difficulty" tag="DSW2" mask="12">
                     <dipvalue name="Rank A" value="12" default="yes"/>
                     <dipvalue name="Rank B" value="8"/>
                     <dipvalue name="Rank C" value="4"/>
                     <dipvalue name="Rank D" value="0"/>
              <dipswitch name="Demo Sounds" tag="DSW2" mask="16">
                     <dipvalue name="Off" value="0"/>
                     <dipvalue name="On" value="16" default="yes"/>
              <dipswitch name="Level Select" tag="DSW2" mask="32">
                     <dipvalue name="Off" value="0"/>
                     <dipvalue name="On" value="32" default="yes"/>
              <dipswitch name="Bonus Life" tag="DSW2" mask="192">
                     <dipvalue name="10k, 50k &amp; Every 50k" value="0" default="yes"/>
                     <dipvalue name="10k &amp; 30k Only" value="64"/>
                     <dipvalue name="10k Only" value="192"/>
                     <dipvalue name="None" value="128"/>
              <driver status="good" emulation="good" color="good" sound="good" graphic="good" savestate="supported" palettesize="512"/>

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