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dplay: MAME ROM Information.


Double Play (c) 1977 Midway.

An old baseball game.


[Upright model]

Game ID : 619

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 : 2

Control : 8-way joystick

Buttons : 3


Released in April 1977.

This game is also known as "Extra Inning".

The song 'Take Me Out To The Ball Game' plays before starting a game.


1. Tornado Baseball (1976)

2. Double Play (1977)

3. Extra Bases (1980)


Game's rom.

Machine's picture.

MAME Info:

0.34b1 [Al Kossow]


- 0.114: Derrick Renaud managed to get full discrete sound emulation working for Double Play.

- 0.111u4: Changed Double Play to parent set. Zsolt Vasvari and Derrick Renaud added partial sound emulation in Double Play. Changed 8080 CPU clock speed to 1996800 Hz. Replaced Samples/2xSN76477 sound with Discrete. Added dipswitches 'Cabinet' and 3x 'Unused'.

- 0.37b12: Changed description to 'Extra Inning'.

- 0.36RC2: Double Play is now clone of Extra Inning (Midway 1978).

- 0.35b13: Changed 8-way Joystick to Double 8-way.

- 0.34b1: Al Kossow added Double Play (Midway 1977).

Other Emulators:

* Laser

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Ninja Baseball Batman

Funcube 3

Romset: 8 kb / 4 files / 6.11 zip

MAME XML Output:

       <game name="dplay" sourcefile="mw8080bw.c">
              <description>Double Play</description>
              <rom name="dplay619.h" size="2048" crc="6680669b" sha1="49ad2333f81613c2f27231de60b415cbc254546a" region="maincpu" offset="0"/>
              <rom name="dplay619.g" size="2048" crc="0eec7e01" sha1="2661e77061119d7d95d498807bd29d2630c6b6ab" region="maincpu" offset="800"/>
              <rom name="dplay619.f" size="2048" crc="3af4b719" sha1="3122138ac36b1a129226836ddf1916d763d73e10" region="maincpu" offset="1000"/>
              <rom name="dplay619.e" size="2048" crc="65cab4fc" sha1="1ce7cb832e95e4a6d0005bf730eec39225b2e960" region="maincpu" offset="1800"/>
              <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="2" buttons="3" coins="1">
                     <control type="joy" ways="8"/>
              <dipswitch name="Coinage" tag="IN2" mask="7">
                     <dipvalue name="2 Coins/1 Inning/1 Player, 4 Coins/1 Inning/2 Players, 8 Coins/3 Innings/2 Players" value="5"/>
                     <dipvalue name="1 Coin/1 Inning/1 Player, 2 Coins/1 Inning/2 Players, 4 Coins/3 Innings/2 Players" value="4"/>
                     <dipvalue name="2 Coins per Inning" value="2"/>
                     <dipvalue name="2 Coins/1 Inning, 4 Coins/3 Innings" value="3"/>
                     <dipvalue name="1 Coin per Inning" value="0" default="yes"/>
                     <dipvalue name="1 Coin/1 Inning, 2 Coins/3 Innings" value="1"/>
              <dipswitch name="Unused" tag="IN2" mask="8">
                     <dipvalue name="Off" value="0" default="yes"/>
                     <dipvalue name="On" value="8"/>
              <dipswitch name="Unused" tag="IN2" mask="16">
                     <dipvalue name="Off" value="0" default="yes"/>
                     <dipvalue name="On" value="16"/>
              <dipswitch name="Unused" tag="IN2" mask="32">
                     <dipvalue name="Off" value="0" default="yes"/>
                     <dipvalue name="On" value="32"/>
              <dipswitch name="Service Mode" tag="IN2" mask="64">
                     <dipvalue name="Off" value="64" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <configuration name="Cabinet" tag="CAB" mask="1">
                     <confsetting name="Upright" value="0" default="yes"/>
                     <confsetting name="Cocktail" value="1"/>
              <adjuster name="Music Volume" default="60"/>
              <driver status="good" emulation="good" color="good" sound="good" graphic="good" savestate="supported" palettesize="0"/>

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