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vulcanb: MAME ROM Information.


Vulcan Venture (c) 1988 Konami.

The third game in Konami's renowned "Gradius" series; the prequel being "Gradius" (known as "Nemesis" in Europe) and a spinoff called "Salamander" (also known as "Life Force"). Vulcan Venture strictly adheres to the shoot-em-up template set out by its hugely successful predecessor, the game eschews the sideways/vertical scrolling alternate levels of "Salamander" and opts instead for "Gradius" sideways scrolling-only mechanic. Vulcan Venture is rightly considered to be one of the most demanding and difficult shoot-em-ups ever released.


Game ID : GX785

Main CPU : (2x) 68000 (@ 10 Mhz)

Sound CPU : Z80 (@ 3.579545 Mhz)

Sound Chips : YM2151 (@ 3.57958 Mhz), K007232 (@ 3.579545 Mhz), UPD7759 (@ 640 Khz)

Screen orientation : Horizontal

Video resolution : 320 x 224 pixels

Screen refresh : 60.00 Hz

Palette colors : 1024

Players : 2

Control : 8-way joystick

Buttons : 3


Released in March 1988.

This game is known in Japan as "Gradius II - GOFER no Yabou".

The game forbids the initials 'SEX' on the high score table. If you try, it gets changed to 'ASO'.

Apollon Music released a limited-edition soundtrack album for this game (Space Odyssey, Gradius II - Gofer no yabou - BY30-5202) on 21/07/1988.


The main differences between Vulcan Venture and "Gradius II - GOFER no Yabou" are :

* Different title screen.

* Multiple is called Option in "Gradius II - GOFER no Yabou".

* No continue available in "Gradius II - GOFER no Yabou".

* Pulse Laser is called Ripple Laser in "Gradius II - GOFER no Yabou".


* Power meters:

1) Option 1: Nemesis

- Missile: Falls to the ground, then slides along it until it hits something.

- Double: Fires a bullet at 45 degrees up as well as forward.

- Laser: Replaces your bullets with a blue beam.

2) Option 2: Mega-Destruction

- Spread Bomb: Large explosion of death.

- Tail Gun: Fires backwards as well as forwards.

- Laser: The infamous Toothpaste Laser.

3) Option 3: The Third Way

- Photon Torpedo: Similar to standard missile, but goes straight through enemies.

- Double: Fires a bullet at 45 degrees up as well as forward.

- Pulse: Salamander's ripple laser.

4) Option 4: Salamander

- 2-Way: Bombs fall up and down.

- Tail Gun: Fires backwards as well as forwards.

- Pulse: Salamander's ripple laser, in a nice shade of red.


1. Nemesis (1985)

2. Lifeforce (1986)

3. Gradius 2 (1987, MSX)

4. Vulcan Venture (1988)

5. Nemesis 3 - The Eve of Destruction (1988, MSX)

6. Gradius III (1989)

7. Gradius - The Interstellar Assault (1991, Nintendo Game Boy)

8. Nemesis '90 Kai (1993, Sharp X68000)

9. Salamander 2 (1996)

10. Solar Assault - Gradius (1997)

11. Solar Assault - Revisited (1997)

12. Gradius Gaiden (1997, Sony PlayStation)

13. Gradius IV - Fukkatsu (1999)

14. Gradius Generation (2002, Nintendo Game Boy Advance)

15. Gradius V (2003, Sony PlayStation 2)


Game programmers : Toshiaki Takatori, K. Tsutsui, T. Horimoto, A. Suzuki, Takehiko Fujii

Graphic designers : Miki Yoshikata, H. Ashida, Michiko Iwamoto, A. Nonami, Kuniaki Kakuwa

Sound editors : S. Tasaka, Motoaki Furukawa, K. Matsubara, S. Hukami

Engineer : K. Hashima

Title designers : F. Shinuya, J. Tanaka


Game's rom.

MAME Info:

0.36b8 [Phil Stroffolino, Nao, Dave Spicer]

0.36b5 [Phil Stroffolino]

Artwork available


- gradius2, gradius2a, gradius2b, vulcan, vulcana, vulcanb: Title screen demo plays the stages in the wrong order. gamestone (ID 03759)

- vulcan, gradius2, gradius2a, gradius2b: Sprite-background priority is wrong. Kanikani (ID 02523)


- 0.143u8: Kanikani fixed DIPSW and added DIP locations to clones Gradius II.

- 0.134u2: Irongiant added clone Vulcan Venture (Old). Changed description to 'Vulcan Venture (New)' and clone 'Vulcan Venture (Older Ver.)' to 'Vulcan Venture (Oldest)'. Renamed (vulcana) to (vulcanb).

- 0.134u1: Brian Troha and Dumping Union added clone Vulcan Venture (Older Ver.).

- 0.133u2: hap fixed sprite lag in clone Gradius II. Reverted Gradius II sprite-background priority hack, this fixes severe priority problems in Devil World, but reintroduces bugs on gradius2 level 7 and ending. Also lowered the K007232 volume, this fixed defective sound in Vulcan Venture.

- 0.133u1: Renamed (grdius2a) to (gradius2a) and (grdius2b) to (gradius2b).

- 0.128u6: Robiza updated clone Gradius II - GOFER no Yabou (Japan New Ver.) to use proper gfx2 roms (same values of vulcan but byteswapped).

- 29th July 2008: Corrado Tomaselli dumped Gradius II - GOFER no Yabou (Japan New Ver.).

- 0.124u2: Changed clock speed of the 2x 68000 to 9216000 Hz.

- 0.110u2: Robiza and Mamesick fixed video hardware (draw_sprites, tilemap_draw etc.) in Vulcan Venture.

- 3rd September 2006: Mr. Do - Added instruction cards for Gradius II.

- 0.102u5: Pierpaolo Prazzoli fixed sprite drawing in Vulcan Venture.

- 0.99u4: Pierpaolo Prazzoli fixed background/sprites priority in the stage 7 of Vulcan Venture.

- 0.76u2: Changed description of the clones to 'Gradius II - GOFER no Yabou'.

- 0.62: Bryan McPhail fixed priority problems in Vulcan Venture.

- 0.56: Changed description of clones '(Japan set 1)' to '(Japan New Ver.)', '(Japan set 2)' to '(Japan Old Ver.)' and '(Japan set 3)' to '(Japan Older Ver.)'. Fixed rom names.

- 6th October 2001: Chack'n fixed the dipswitch settings in clone Gradius 2.

- 0.36b10: Changed Z80 CPU1 clock speed to 3579545 Hz.

- 0.36b8: Phil Stroffolino, Nao and Dave Spicer added Vulcan Venture (Konami 1988) and clones 'Gradius II - Gofer no Yabou (Japan set 1)', (Japan set 2) and (Japan set 3).

- 27th October 1999: Takahiro Nogi fixed UPD7759 problems in Vulcan Venture.

- 26th October 1999: Phil Stroffolino got collision detection working in Vulcan Venture with help from Dave Spicer and Nao.

- 21st October 1999: Phil Stroffolino sent in a Twin16 update, with Hard Puncher / Final Round being completely playable, but Vulcan Venture is still missing the collisions.

- 0.36b6: Phil Stroffolino added clone Gradius II - Gofer no Yabou (Japan) (Testdriver).

- 0.36b5: Phil Stroffolino added Vulcan Venture (Testdriver).

- 9th October 1999: Phil Stroffolino sent in a Twin16 update with working sprites in Vulcan Venture (but collisions are missing), and Final Round is also playable now.

- 8th September 1999: Phil Stroffolino sent in a very preliminary Konami Twin16 driver (Vulcan Venture for example), but nothing works yet.

ARCADE RELEASE: Gradius II (Konami) - 1988/Mar/24

LEVELS: 7 (gradius2)

Other Emulators:

* FB Alpha

* Sparcade

Recommended Games (R-Type):

Gradius / Nemesis

Gradius (PlayChoice-10)

Vs. Gradius

Gradius II / Vulcan Venture

Gradius III

Gradius 4: Fukkatsu


Salamander 2


R-Type II

R-Type Leo

Heavy Unit

Turtle Ship


X Multiply

Zero Wing

Raiga - Strato Fighter


Blaze On

Hyper Duel

Super Spacefortress Macross II

Romset: 2864 kb / 16 files / 854.9 zip

MAME XML Output:

       <game name="vulcanb" sourcefile="twin16.c" cloneof="vulcan" romof="vulcan">
              <description>Vulcan Venture (Oldest)</description>
              <rom name="785_n05.6n" size="65536" crc="6371d475" sha1="82e6adc38de8363c126cd073dbc95eeec576db98" region="maincpu" offset="0"/>
              <rom name="785_n04.4n" size="65536" crc="b6f24b9e" sha1="01685f89955385714062cc70316edce1a6a64e35" region="maincpu" offset="1"/>
              <rom name="785_r09.6r" size="65536" crc="fbfd1543" sha1="8ef41a0a9d3d1de9395bdd5288199841c61d7045" region="maincpu" offset="20000"/>
              <rom name="785_r08.4r" size="65536" crc="36bb1be1" sha1="ce9a98443a453b1c05dfb8d0f8ba0f94292b9d30" region="maincpu" offset="20001"/>
              <rom name="785_g07.10n" size="65536" crc="ee09dd5d" sha1="9b6fb12c2cb7930df12d9876810811540fd560ee" region="sub" offset="0"/>
              <rom name="785_g06.8n" size="65536" crc="85ab7af7" sha1="5cb36918a5cdfd16611da76f07450ae1d115f2c7" region="sub" offset="1"/>
              <rom name="785_g13.10s" size="65536" crc="274f325d" sha1="1076efa204eff0fc8a8788706b17b9a128023d35" region="sub" offset="20000"/>
              <rom name="785_g12.8s" size="65536" crc="1625f933" sha1="3f25d7396af46e75e3ae8456414e31935de43d34" region="sub" offset="20001"/>
              <rom name="785_g03.10a" merge="785_g03.10a" size="32768" crc="67a3b50d" sha1="3c83f3b0df73d9361ec3cda26a6c4c603a088419" region="audiocpu" offset="0"/>
              <rom name="785_h14.d8" merge="785_h14.d8" size="16384" crc="02f4b16f" sha1="45addc99f520770f38c6aa69aef9af59cfc410b5" region="gfx1" offset="0"/>
              <rom name="785f17.p16" merge="785f17.p16" size="524288" crc="8fbec1a4" sha1="71cbdb25470b5a2ca7e80c92f12fc47e28085793" region="gfx2" offset="0"/>
              <rom name="785f18.p18" merge="785f18.p18" size="524288" crc="50d61e38" sha1="051d332d93d435d19571e22d69ffc5395dbb16a4" region="gfx2" offset="80000"/>
              <rom name="785f15.p13" merge="785f15.p13" size="524288" crc="af96aef3" sha1="a58e26a8b134ab6e7938cd4fa342c04c236efd99" region="gfx2" offset="100000"/>
              <rom name="785f16.p15" merge="785f16.p15" size="524288" crc="b858df1f" sha1="c434da7ba54d59643fe6ca30bceccf16413904c3" region="gfx2" offset="180000"/>
              <rom name="785_f01.5a" merge="785_f01.5a" size="131072" crc="a0d8d69e" sha1="2994e5740b7c099d55fb162a363a26ef1995c756" region="konami" offset="0"/>
              <rom name="785_f02.7c" merge="785_f02.7c" size="131072" crc="c39f5ca4" sha1="92ebea11b7d3a72d0f58c456f16a6ff36d6b3062" region="upd" offset="0"/>
              <chip type="cpu" tag="maincpu" name="68000" clock="9216000"/>
              <chip type="cpu" tag="sub" name="68000" clock="9216000"/>
              <chip type="cpu" tag="audiocpu" name="Z80" clock="3579545"/>
              <chip type="audio" tag="lspeaker" name="Speaker"/>
              <chip type="audio" tag="rspeaker" name="Speaker"/>
              <chip type="audio" tag="ymsnd" name="YM2151" clock="3579580"/>
              <chip type="audio" tag="konami" name="K007232" clock="3579545"/>
              <chip type="audio" tag="upd" name="UPD7759" clock="640000"/>
              <display tag="screen" type="raster" rotate="0" width="320" height="224" refresh="60.606061" />
              <sound channels="2"/>
              <input players="2" buttons="3" coins="2">
                     <control type="joy" ways="8"/>
              <dipswitch name="Coin A" tag="DSW1" mask="15">
                     <dipvalue name="4 Coins/1 Credit" value="2"/>
                     <dipvalue name="3 Coins/1 Credit" value="5"/>
                     <dipvalue name="2 Coins/1 Credit" value="8"/>
                     <dipvalue name="3 Coins/2 Credits" value="4"/>
                     <dipvalue name="4 Coins/3 Credits" value="1"/>
                     <dipvalue name="1 Coin/1 Credit" value="15" default="yes"/>
                     <dipvalue name="3 Coins/4 Credits" value="3"/>
                     <dipvalue name="2 Coins/3 Credits" value="7"/>
                     <dipvalue name="1 Coin/2 Credits" value="14"/>
                     <dipvalue name="2 Coins/5 Credits" value="6"/>
                     <dipvalue name="1 Coin/3 Credits" value="13"/>
                     <dipvalue name="1 Coin/4 Credits" value="12"/>
                     <dipvalue name="1 Coin/5 Credits" value="11"/>
                     <dipvalue name="1 Coin/6 Credits" value="10"/>
                     <dipvalue name="1 Coin/7 Credits" value="9"/>
                     <dipvalue name="Free Play" value="0"/>
              <dipswitch name="Coin B" tag="DSW1" mask="240">
                     <dipvalue name="4 Coins/1 Credit" value="32"/>
                     <dipvalue name="3 Coins/1 Credit" value="80"/>
                     <dipvalue name="2 Coins/1 Credit" value="128"/>
                     <dipvalue name="3 Coins/2 Credits" value="64"/>
                     <dipvalue name="4 Coins/3 Credits" value="16"/>
                     <dipvalue name="1 Coin/1 Credit" value="240" default="yes"/>
                     <dipvalue name="3 Coins/4 Credits" value="48"/>
                     <dipvalue name="2 Coins/3 Credits" value="112"/>
                     <dipvalue name="1 Coin/2 Credits" value="224"/>
                     <dipvalue name="2 Coins/5 Credits" value="96"/>
                     <dipvalue name="1 Coin/3 Credits" value="208"/>
                     <dipvalue name="1 Coin/4 Credits" value="192"/>
                     <dipvalue name="1 Coin/5 Credits" value="176"/>
                     <dipvalue name="1 Coin/6 Credits" value="160"/>
                     <dipvalue name="1 Coin/7 Credits" value="144"/>
                     <dipvalue name="None" value="0"/>
              <dipswitch name="Lives" tag="DSW2" mask="3">
                     <dipvalue name="2" value="3"/>
                     <dipvalue name="3" value="2" default="yes"/>
                     <dipvalue name="4" value="1"/>
                     <dipvalue name="7" value="0"/>
              <dipswitch name="Cabinet" tag="DSW2" mask="4">
                     <dipvalue name="Upright" value="0" default="yes"/>
                     <dipvalue name="Cocktail" value="4"/>
              <dipswitch name="Bonus Life" tag="DSW2" mask="24">
                     <dipvalue name="20K, Every 150K" value="24" default="yes"/>
                     <dipvalue name="30K, Every 200K" value="16"/>
                     <dipvalue name="20K Only" value="8"/>
                     <dipvalue name="70K Only" value="0"/>
              <dipswitch name="Difficulty" tag="DSW2" mask="96">
                     <dipvalue name="Easy" value="96"/>
                     <dipvalue name="Normal" value="64" default="yes"/>
                     <dipvalue name="Difficult" value="32"/>
                     <dipvalue name="Very Difficult" value="0"/>
              <dipswitch name="Demo Sounds" tag="DSW2" mask="128">
                     <dipvalue name="Off" value="128"/>
                     <dipvalue name="On" value="0" default="yes"/>
              <dipswitch name="Flip Screen" tag="DSW3" mask="1">
                     <dipvalue name="Off" value="1" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="Upright Controls" tag="DSW3" mask="2">
                     <dipvalue name="Single" value="2"/>
                     <dipvalue name="Dual" value="0" default="yes"/>
              <dipswitch name="Service Mode" tag="DSW3" mask="4">
                     <dipvalue name="Off" value="4" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="Unused" tag="DSW3" mask="8">
                     <dipvalue name="Off" value="8" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <driver status="good" emulation="good" color="good" sound="good" graphic="good" savestate="supported" palettesize="1024"/>

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