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abaseb2: MAME ROM Information.


Atari Baseball (c) 1979 Atari.

A black and white 2-player baseball game.


Cabinet dimensions :

38,62 inches (98,02cm) high

44,18 inches (112,22cm) wide

25,25 inches (64,14cm) deep.

Monitor : 23 inches B/W.

Game ID : 034711-034738

Main CPU : M6502 (@ 750 Khz)

Sound Chips : Discrete


Released in June 1979.

First Rotberg coin-op game. Approximately 1,050 units were produced.

This was originally slated to be Atari's first game to feature digitized speech. Dan Pliskin designed a speech board that included the umpire's calls, but management eventually nixed the idea.

An Atari Baseball machine was shown at the 2003 classic arcade games show 'California Extreme' in San Jose, California.


Designed and programmed by : Ed Rotberg

Hardware Engineer : John Ray


Game's rom.

Machine's picture.

All In Color For a Quarter - Keith Smith

MAME Info:

0.35b2 [Brad Oliver]


- 0.145: Kevin fixed rom names in clone Atari Baseball (set 2).

- 0.140u1: Derrick Renaud optimized speed of DISCRETE_DAC_R1.

- 0.123u3: RansAckeR added DIP locations to Atari Baseball. Changed 'Unknown' dipswitches to 'Unused'.

- 0.122u4: Zsolt Vasvari fixed memory maps and video update (abaseb0122u3red).

- 0.121u1: Changed palettesize from 4 to 12 colors.

- 0.107u4: Aaron Giles added built-in layouts for Turbo, Subroc 3D, Buck Rogers, Atari Football, Atari Baseball and Super Speed Racer using the new primitives. Changed visible area to 304x240.

- 0.90u3: Derrick Renaud corrected Atari Baseball's crowd filter component values.

- 0.90: Derrick Renaud and Frank Palazzolo properly emulated the DISC_OP_AMP_FILTER_IS_BAND_PASS_1M type filter and re-wrote Atari Football and Atari Baseball to use component value only code and the new filter.

- 0.69: Derrick Renaud added video invert (triples/home runs) to Atari Baseball.

- 0.68: Replaced 3x DAC sound with Discrete and changed visible area to 304x248.

- 0.36b11: Changed palettesize from 3 to 4 colors.

- 0.36b5: Changed VSync to 60Hz.

- 0.35b2: Brad Oliver added Atari Baseball (set 1) (Atari 1979) and clone (set 2).

- 7th August 1998: Dumped Atari Baseball (set 2).

Recommended Games (Baseball):


Tornado Baseball / Ball Park

Double Play

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Atari Baseball

Extra Bases

Chance Kun

Barroom Baseball

Champion Baseball

Champion Base Ball Part-2

Baseball (PlayChoice-10)

FamicomBox (Baseball)

Vs. BaseBall

Curve Ball

Victorious Nine

The Koukouyakyuh


Major League

Super Major League

Super Major League '99

World Series Baseball / Super Major League

Pro Baseball Skill Tryout

World Series: The Season

Baseball The Season II

Vs. Atari R.B.I. Baseball

Super Baseball Double Play Home Run Derby

Super League

Excite League

Moero Pro Yakyuu Homerun

Stadium Hero

Stadium Hero 96

Strike Zone Baseball

World Stadium

Baseball Stars: Be a Champ! (PlayChoice-10)

Bottom of the Ninth

Capcom Baseball


Jitsuryoku!! Pro Yakyuu


Super Champion Baseball

Tommy Lasorda Baseball (Mega-Tech)

Ah Eikou no Koshien

Baseball Stars Professional

Baseball Stars 2

Dynamite League

Kyuukai Douchuuki

2020 Super Baseball

Clutch Hitter

Power League IV (Tourvision PCE bootleg)

Relief Pitcher

Super World Stadium

Super World Stadium '92

Super World Stadium '93

Super World Stadium '95

Super World Stadium '96

Super World Stadium '97

Super World Stadium '98

Super World Stadium '99

Super World Stadium 2000

Great Sluggers

Great Sluggers '94

Super Major League

Wonder League Star

Dynamite Baseball

Dynamite Baseball 97

Dynamite Baseball '99

Dynamite Baseball NAOMI

Wonder League '96

Powerful Baseball '96

Powerful Pro Baseball EX

Home Run Classic




Ninja Baseball Batman

Funcube 3

Romset: 10 kb / 7 files / 7.76 zip

MAME XML Output:

       <game name="abaseb2" sourcefile="atarifb.c" cloneof="abaseb" romof="abaseb">
              <description>Atari Baseball (set 2)</description>
              <rom name="034725.c0" size="1024" crc="95912c58" sha1="cb15b60e31ee212e30a81c170611be1e36d2a6dd" region="maincpu" offset="6000"/>
              <rom name="034723.m0" size="1024" crc="5eb1597f" sha1="78f83d4e79de13d3723732d68738660c3f8d4787" region="maincpu" offset="6000"/>
              <rom name="034726.b0" size="1024" crc="1f8d506c" sha1="875464ca2ee50b36ceb5989cd40a28c69953c641" region="maincpu" offset="6400"/>
              <rom name="034724.l0" size="1024" crc="ecd18ed2" sha1="6ffbc9a4108ebf190455fad3725b72dda4125ac7" region="maincpu" offset="6400"/>
              <rom name="034721.d1" size="1024" crc="1a0541f2" sha1="ba74f024deb173678166262c4c6b1c328248aa9a" region="maincpu" offset="6800"/>
              <rom name="034715.h1" size="1024" crc="accb96f5" sha1="1cd6603c818dacf4f71fc350ebd3adf3369056b2" region="maincpu" offset="6800"/>
              <rom name="034722.d0" size="1024" crc="f9c1174e" sha1="9d1be9ce4985edd19e0969d8998946d05fbbdf1f" region="maincpu" offset="6c00"/>
              <rom name="034716.h0" size="1024" crc="d5622749" sha1="6a48d428751939857be6869b44a61b8f054d4206" region="maincpu" offset="6c00"/>
              <rom name="034717.f1" size="1024" crc="c941f64b" sha1="e4d309c8ae71adc42dab0ffeea8f58da310c52f3" region="maincpu" offset="7000"/>
              <rom name="034711.k1" size="1024" crc="fab61782" sha1="01b6de2822d09ebe0725307eeeaeb667f53ca8f1" region="maincpu" offset="7000"/>
              <rom name="034718.f0" size="1024" crc="3fe7dc1c" sha1="91c3af7d8acdb5c4275f5fa57c19dc589f4a63aa" region="maincpu" offset="7400"/>
              <rom name="034712.k0" size="1024" crc="0e368e1a" sha1="29bbe4be07d8d441a4251ed6fbfa9e225487c2d8" region="maincpu" offset="7400"/>
              <rom name="034719.e1" size="1024" crc="85046ee5" sha1="2e8559349460a44734c95a1440a84713c5344495" region="maincpu" offset="7800"/>
              <rom name="034713.j1" size="1024" crc="0c67c48d" sha1="eec24da32632c1ba00aee22f1b9abb144b38cc8a" region="maincpu" offset="7800"/>
              <rom name="034720.e0" size="1024" crc="37c5f149" sha1="89ad4471b949f8318abbdb38c4f373f711130198" region="maincpu" offset="7c00"/>
              <rom name="034714.j0" size="1024" crc="920979ea" sha1="aba499376c084b8ceb6f0cc6599bd51cec133cc7" region="maincpu" offset="7c00"/>
              <rom name="034710.n7" merge="034710.d5" size="1024" crc="31275d86" sha1="465ff2032e62bcd5a7bb5c947212da4ea4d59353" region="gfx1" offset="0"/>
              <rom name="034708.c5" merge="034708.n7" size="512" crc="8a0f971b" sha1="f7de50eeb15c8291f1560e299e3b1b29bba58422" region="gfx2" offset="0"/>
              <rom name="034709.d5" merge="034709.c5" size="512" crc="021d1067" sha1="da0fa8e4f6c0240a4feb41312fa057c65d809e62" region="gfx2" offset="0"/>
              <chip type="cpu" tag="maincpu" name="M6502" clock="750000"/>
              <chip type="audio" tag="mono" name="Speaker"/>
              <chip type="audio" tag="discrete" name="DISCRETE"/>
              <display tag="screen" type="raster" rotate="0" width="304" height="240" refresh="60.000000" />
              <sound channels="1"/>
              <input players="2" buttons="1" coins="2" tilt="yes">
                     <control type="trackball" minimum="0" maximum="255" sensitivity="100" keydelta="10" reverse="yes"/>
              <dipswitch name="Difficulty" tag="IN1" mask="3">
                     <dipvalue name="Hardest" value="0"/>
                     <dipvalue name="Hard" value="1"/>
                     <dipvalue name="Easy" value="2" default="yes"/>
                     <dipvalue name="Easiest" value="3"/>
              <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="8">
                     <dipvalue name="Off" value="8" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="Service Mode" tag="IN1" mask="64">
                     <dipvalue name="Off" value="64" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <driver status="good" emulation="good" color="good" sound="good" graphic="good" savestate="supported" palettesize="12"/>

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