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blueshrk: MAME ROM Information.


Blue Shark (c) 1978 Midway Mfg. Co.

Insert coin(s), and underwater creatures appear randomly on the screen. By pulling the trigger on the speargun, the player fires spears at the sea creatures. Features a three dimensional color background scenery depicting an underwater scene.


Game No. 742

Cabinet dimensions : 68,5'' (174,5 cm) High x 25,5'' (65 cm) Wide x 35,5'' (90 cm) Deep. Weight : 223 Lbs (101 Kg).

Main CPU : 8080 (@ 1.9968 Mhz)

Sound Chips : Discrete circuitry

Screen orientation : Horizontal

Video resolution : 256 x 224 pixels

Screen refresh : 60.00 Hz

Palette colors : 2

Players : 1

Control : paddle

Buttons : 1


Released in September 1978.


Shark (long range) : 500 points.

Octopus : 400 points.

Shark (short range) : 300 points.

Swordfish : 200 points.

Skindiver : -500 points.


* Don't Shoot The Skindiver! : If player hits the skindiver, he is penalized 500 points.

* When the player's score reaches 7000 points, movement of the targets speeds up.

* By default, one free play is awarded for a score of 18,000 points (operator adjustable).


Game's rom.

Machine's picture.

MAME Info:

0.34b1 [Al Kossow]

Artwork available


- 29th December 2010: Mr. Do - Zorg came back for a bit, and gave us a beautiful bezel for Blue Shark, scanned and vectored by him.

- 0.134u4: Derrick Renaud added shark sound to Blue Shark.

- 0.134u3: Derrick Renaud added octopus sound in Blue Shark.

- 0.111u4: Zsolt Vasvari and Derrick Renaud added partial sound emulation and non-memory mapped coin counters to Blue Shark. Changed 8080 CPU clock speed to 1996800 Hz. Replaced Samples sound with Discrete.

- 0.111u1: Added Samples (Invaders) sound.

- 8th May 2000: Zsolt Vasvari fixed Blue Shark.

- 0.34b1: Al Kossow added Blue Shark (Midway 1978).

LEVELS: 1 (endless)

Other Emulators:

* Laser

Recommended Games (Diving):

Blue Shark

Kaitei Takara Sagashi

Shark Attack

Funky Fish

Marine Date


Devil Fish

Marine Boy

Snap Jack

Sea Fighter Poseidon


Bubble Trouble

Diver Boy

Chimera Beast

Romset: 6 kb / 3 files / 3.75 zip

MAME XML Output:

       <game name="blueshrk" sourcefile="mw8080bw.c">
              <description>Blue Shark</description>
              <rom name="blueshrk.h" size="2048" crc="4ff94187" sha1="7cb80e2ccc34983bfd688c549ffc032d6dacf880" region="maincpu" offset="0"/>
              <rom name="blueshrk.g" size="2048" crc="e49368fd" sha1="2495ba48532bb714361e4f0e94c9317161c6c77f" region="maincpu" offset="800"/>
              <rom name="blueshrk.f" size="2048" crc="86cca79d" sha1="7b4633fb8033ee2c0e692135c383ebf57deef0e5" region="maincpu" offset="1000"/>
              <chip type="cpu" tag="maincpu" name="8080" clock="1996800"/>
              <chip type="audio" tag="mono" name="Speaker"/>
              <chip type="audio" tag="discrete" name="DISCRETE"/>
              <display tag="screen" type="raster" rotate="0" width="260" height="224" refresh="59.541985" pixclock="4992000" htotal="320" hbend="0" hbstart="260" vtotal="262" vbend="0" vbstart="224" />
              <sound channels="1"/>
              <input players="1" buttons="1" coins="1" tilt="yes">
                     <control type="paddle" minimum="8" maximum="130" sensitivity="100" keydelta="10"/>
              <dipswitch name="Unused" tag="IN1" mask="4">
                     <dipvalue name="Off" value="4" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="Unused" tag="IN1" mask="16">
                     <dipvalue name="Off" value="16" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="Replay" tag="IN1" mask="96">
                     <dipvalue name="14000" value="32"/>
                     <dipvalue name="18000" value="64" default="yes"/>
                     <dipvalue name="22000" value="96"/>
                     <dipvalue name="None" value="0"/>
              <dipswitch name="Service Mode" tag="IN1" mask="128">
                     <dipvalue name="Off" value="128" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <driver status="imperfect" emulation="good" color="good" sound="imperfect" graphic="good" savestate="supported" palettesize="0"/>

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