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gemini: MAME ROM Information.


Gemini Wing (c) 1987 Tecmo.

A vertically scrolling shooter. Destroy enemies and collect items, such as speed, that are stored in a tail behind your ship. Press the second button to activate them one by one in the order they were collected.


Main CPU : Z80 (@ 6 Mhz)

Sound CPU : Z80 (@ 4 Mhz)

Sound Chips : YM3812 (@ 4 Mhz), MSM5205 (@ 384 Khz)

Players : 2

Control : 8-way joystick

Buttons : 2


Released in October 1987 in Japan.


Screenplay : S. Sakurazaki

Background designer : K. Niwakamaru

Logo & Base designer : Noise Holic

Monster designers : Willy Ichiro, Strong Shima, Soccer Kozou

Music / Sound Effects : Mikio Saito (Metal Yuhki)

Test play : Sugar Beet, Faw

Programmed by : Clark Gent

Directed by : S. Sakurazaki


* Computers :

Sinclair ZX Spectrum (1989)

Commodore C64 (1989)

Amstrad CPC (1989)

Commodore Amiga (1989)

Atari ST (1989)

Sharp X68000 (1990)


Game's rom.

Machine's picture.

MAME Info:

0.31 [Mirko Buffoni]


- [possible] The music in Gemini Wing is transposed incorrectly. Judge Spear (ID 01185)


- 0.143u4: Brian Troha added proper region to Gemini and DIP locations. Changed description to 'Gemini Wing (Japan)'.

- 0.124u1: Changed MSM5205 clock speed to 400000 Hz.

- 0.37b5: Replaced ADPCM sound with MSM5205 (384000 Hz). Changed Z80 CPU1 clock speed to 6MHz.

- 0.35RC2: Changed YM-3812 clock speed to 4MHz.

- 0.34RC2: Changed YM-3812 clock speed to 3.6MHz.

- 0.33b5: Nicola Salmoria fixed sprite/background priority in Gemini Wing. Games which use the dynamic palette system and no longer need 16-bit modes: Section Z, Legendary Wings, Trojan, Speed Rumbler, Rygar, Silkworm, Gemini Wing and Tiger Road [Nicola Salmoria].

- 0.33b3: Dani Portillo added high score saving to Gemini Wing.

- 0.33b1: Li Jih Hwa fixed gfx glitches in Gemini Wing.

- 0.31: Mirko Buffoni added Gemini Wing (Tecmo 1987).

- 8th November 1997: J-ROM dumped Gemini Wing (c)1987 TECMO.


Other Emulators:

* FB Alpha

* Raine

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Romset: 992 kb / 17 files / 340.6 zip

MAME XML Output:

       <game name="gemini" sourcefile="tecmo.c">
              <description>Gemini Wing (Japan)</description>
              <rom name="gw04-5s.rom" size="65536" crc="ff9de855" sha1="34167af8456a081f68b338f10d4319ce1e703fd4" region="maincpu" offset="0"/>
              <rom name="gw05-6s.rom" size="65536" crc="5a6947a9" sha1="18b7aeb0f0e2c396bc759118dd7c45fd6070b804" region="maincpu" offset="10000"/>
              <rom name="gw03-5h.rom" size="32768" crc="9bc79596" sha1="61de9ddd45140e8ed88173294bd26147e2abfa21" region="soundcpu" offset="0"/>
              <rom name="gw02-3h.rom" size="32768" crc="7acc8d35" sha1="05056e9f077e7571b314390b508c72d56ad0f43b" region="gfx1" offset="0"/>
              <rom name="gw06-1c.rom" size="65536" crc="4ea51631" sha1="9aee0f1ba210ac953dc193cfc739322966b6de8a" region="gfx2" offset="0"/>
              <rom name="gw07-1d.rom" size="65536" crc="da42637e" sha1="9885c52823279f26871092c77bdbe027df08268f" region="gfx2" offset="10000"/>
              <rom name="gw08-1f.rom" size="65536" crc="0b4e8d70" sha1="55069f3df1c8db83f306d46b8262fd23585e6013" region="gfx2" offset="20000"/>
              <rom name="gw09-1h.rom" size="65536" crc="b65c5e4c" sha1="699e1a9e72b8d94edae7382ba119fe5da113514d" region="gfx2" offset="30000"/>
              <rom name="gw10-1n.rom" size="65536" crc="5e84cd4f" sha1="e85320291027a16619c87fc2365448367bda454a" region="gfx3" offset="0"/>
              <rom name="gw11-2na.rom" size="65536" crc="08b458e1" sha1="b3426faa57dca51dc053db44fa4968425d8bf3ee" region="gfx3" offset="10000"/>
              <rom name="gw12-2nb.rom" size="65536" crc="229c9714" sha1="f4f47d6b379c973c22f9ae7d7bec7041cdf3f737" region="gfx3" offset="20000"/>
              <rom name="gw13-3n.rom" size="65536" crc="c5dfaf47" sha1="c3202ca8c7f3c5c7dc9acdc09c1c894e168ef9fe" region="gfx3" offset="30000"/>
              <rom name="gw14-1r.rom" size="65536" crc="9c10e5b5" sha1="a81399b85d8f3ddca26883ec3535cb9044c35ada" region="gfx4" offset="0"/>
              <rom name="gw15-2ra.rom" size="65536" crc="4cd18cfa" sha1="c197a098a7c1e5220aad039383a40702fe7c4f21" region="gfx4" offset="10000"/>
              <rom name="gw16-2rb.rom" size="65536" crc="f911c7be" sha1="3f49f6c4734f2b644d93c4a54249aae6ff080e1d" region="gfx4" offset="20000"/>
              <rom name="gw17-3r.rom" size="65536" crc="79a9ce25" sha1="74e3917b8e7a920ceb2135d7ef8fb2f2c5176b21" region="gfx4" offset="30000"/>
              <rom name="gw01-6a.rom" size="32768" crc="d78afa05" sha1="b02a739b045f5cddf943ce59226ef234463eeebe" region="adpcm" offset="0"/>
              <chip type="cpu" tag="maincpu" name="Z80" clock="6000000"/>
              <chip type="cpu" tag="soundcpu" name="Z80" clock="4000000"/>
              <chip type="audio" tag="mono" name="Speaker"/>
              <chip type="audio" tag="ymsnd" name="YM3812" clock="4000000"/>
              <chip type="audio" tag="msm" name="MSM5205" clock="400000"/>
              <display tag="screen" type="raster" rotate="90" width="256" height="224" refresh="60.000000" />
              <sound channels="1"/>
              <input players="2" buttons="2" coins="2">
                     <control type="joy" ways="8"/>
              <dipswitch name="Coin A" tag="DSWA" mask="7">
                     <dipvalue name="2 Coins/1 Credit" value="6"/>
                     <dipvalue name="1 Coin/1 Credit" value="0" default="yes"/>
                     <dipvalue name="2 Coins/3 Credits" value="7"/>
                     <dipvalue name="1 Coin/2 Credits" value="1"/>
                     <dipvalue name="1 Coin/3 Credits" value="2"/>
                     <dipvalue name="1 Coin/4 Credits" value="3"/>
                     <dipvalue name="1 Coin/5 Credits" value="4"/>
                     <dipvalue name="1 Coin/6 Credits" value="5"/>
              <dipswitch name="Final Round Continuation" tag="DSWA" mask="8">
                     <dipvalue name="Round 6" value="0" default="yes"/>
                     <dipvalue name="Round 7" value="8"/>
              <dipswitch name="Coin B" tag="DSWA" mask="112">
                     <dipvalue name="2 Coins/1 Credit" value="96"/>
                     <dipvalue name="1 Coin/1 Credit" value="0" default="yes"/>
                     <dipvalue name="2 Coins/3 Credits" value="112"/>
                     <dipvalue name="1 Coin/2 Credits" value="16"/>
                     <dipvalue name="1 Coin/3 Credits" value="32"/>
                     <dipvalue name="1 Coin/4 Credits" value="48"/>
                     <dipvalue name="1 Coin/5 Credits" value="64"/>
                     <dipvalue name="1 Coin/6 Credits" value="80"/>
              <dipswitch name="Buy in During Final Round" tag="DSWA" mask="128">
                     <dipvalue name="No" value="0" default="yes"/>
                     <dipvalue name="Yes" value="128"/>
              <dipswitch name="Lives" tag="DSWB" mask="3">
                     <dipvalue name="2" value="3"/>
                     <dipvalue name="3" value="0" default="yes"/>
                     <dipvalue name="4" value="1"/>
                     <dipvalue name="5" value="2"/>
              <dipswitch name="Difficulty" tag="DSWB" mask="12">
                     <dipvalue name="Easy" value="0" default="yes"/>
                     <dipvalue name="Normal" value="4"/>
                     <dipvalue name="Hard" value="8"/>
                     <dipvalue name="Hardest" value="12"/>
              <dipswitch name="Bonus Life" tag="DSWB" mask="112">
                     <dipvalue name="50000 200000" value="0" default="yes"/>
                     <dipvalue name="50000 300000" value="16"/>
                     <dipvalue name="100000 500000" value="32"/>
                     <dipvalue name="50000" value="48"/>
                     <dipvalue name="100000" value="64"/>
                     <dipvalue name="200000" value="80"/>
                     <dipvalue name="300000" value="96"/>
                     <dipvalue name="None" value="112"/>
              <dipswitch name="Demo Sounds" tag="DSWB" mask="128">
                     <dipvalue name="Off" value="128"/>
                     <dipvalue name="On" value="0" default="yes"/>
              <driver status="good" emulation="good" color="good" sound="good" graphic="good" savestate="unsupported" palettesize="1024"/>

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