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pc_bstar: MAME ROM Information.


Baseball Stars - Be a champ! (c) 1989 Nintendo of America.

A baseball game.


Nintendo PlayChoice-10 hardware

Game ID : B9

Main CPU : Z80 (@ 4 Mhz), N2A03 (@ 1.789772 Mhz)

Sound Chips : N2A03 (@ 1.789772 Mhz), DAC

Screen orientation : Horizontal

Video resolution : 256 x 240 pixels

Screen refresh : 60.00 Hz

Palette colors : 320

Players : 2

Control : 8-way joystick

Buttons : 2


Lincesed from SNK.

Baseball Stars became a major hit in many countries world-wide. It was one of the first sports games to have data memory, therefore players could pick a team and make a season, while being able to save season statistics. Baseball Stars was also the first sports game to bring the 'Create a player' feature. Gamers could, for the first time, create players and name them after themselves, family and friends, in addition to naming their own teams. Although the game did not use any names of real life baseball players, one of the computerized teams, the 'American Dreams', included players with nicknames such as Pete (Pete Rose), Hank (Hank Aaron) and Ruth (Babe Ruth).


* Balanced Team : Select 'Make Team' from the menu and press Down, Right, Left, Down(x2), Right, Up.

Select 'Balanced Team' and press A.

A message will pop up saying 'WHEN ISN'T IT?'.

Edit that message to say 'WHEN IT IS'.

* Woman's Team : Choose 'Make Team' from the main menu and press Down, Right, Left, Down(x2), Right, Up(x2), Down, Up, Down, Up.

Select 'Veterans' using the A button and the message 'WHAT IS A WREN?' will pop up.

Edit that message to read 'A BIRD'.

Another message will pop up reading 'WHEN ISN'T IT?'.

Edit it to read 'WHEN IT IS'.


1. Baseball Stars - Be a champ! (1989)

2. Baseball Stars Professional [Model NGM-002] (1990)

3. Baseball Stars 2 [Model NGM-041] (1992)

4. Baseball Stars (1998, SNK Neo Geo Pocket Color)


* Consoles :

Nintendo Famicom (1989, "Baseball Star - Mezase Sankanou")


Game's rom.

MAME Info:

0.37b9 [Ernesto Corvi]


- 0.98u3: Mamesick fixed Baseball Stars: Be a Champ! doesn't boot.

- 0.88u2: Changed description to 'Baseball Stars: Be a Champ! (PlayChoice-10)'.

- 0.83: Changed description to 'PlayChoice-10: Baseball Stars: Be a Champ!'.

- 0.37b9: Ernesto Corv added 'PlayChoice-10: Baseball Stars' (SNK (Nintendo of America license) 1989).

- 26th October 2000: Ernesto Corvi added another romset to the Playchoice10 driver.

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Romset: 265 kb / 4 files / 125.2 zip

MAME XML Output:

       <game name="pc_bstar" sourcefile="playch10.c" romof="playch10">
              <description>Baseball Stars: Be a Champ! (PlayChoice-10)</description>
              <manufacturer>SNK (Nintendo of America license)</manufacturer>
              <biosset name="dual" description="Dual Monitor Version" default="yes"/>
              <biosset name="single" description="Single Monitor Version"/>
              <rom name="pch1-c.8t" merge="pch1-c.8t" bios="dual" size="16384" crc="d52fa07a" sha1="55cabf52ae10c050c2229081a80b9fe5454ab8c5" region="maincpu" offset="0"/>
              <rom name="pck1-c.8t" merge="pck1-c.8t" bios="single" size="16384" crc="503ee8b1" sha1="3bd20bc71cac742d1b8c1430a6426d0a19db7ad0" region="maincpu" offset="0"/>
              <rom name="b9-u2" size="8192" crc="69f3fd7c" sha1="1cfaa40f18b1455bb41ec0e57d6a227ed3e582eb" region="maincpu" offset="c000"/>
              <rom name="pch1-c.8p" merge="pch1-c.8p" size="8192" crc="30c15e23" sha1="69166afdb2fe827c7f1919cdf4197caccbd961fa" region="gfx1" offset="0"/>
              <rom name="pch1-c.8m" merge="pch1-c.8m" size="8192" crc="c1232eee" sha1="beaf9fa2d091a3c7f70c51e966d885b1f9f0935f" region="gfx1" offset="2000"/>
              <rom name="pch1-c.8k" merge="pch1-c.8k" size="8192" crc="9acffb30" sha1="b814f10ef23f2ca445fabafcbf7f25e2d454ba8c" region="gfx1" offset="4000"/>
              <rom name="pch1-c.6f" merge="pch1-c.6f" size="256" crc="e5414ca3" sha1="d2878411cda84ffe0afb2e538a67457f51bebffb" region="proms" offset="0"/>
              <rom name="pch1-c.6e" merge="pch1-c.6e" size="256" crc="a2625c6e" sha1="a448b47c9289902e26a3d3c4c7d5a7968c385e81" region="proms" offset="100"/>
              <rom name="pch1-c.6d" merge="pch1-c.6d" size="256" crc="1213ebd4" sha1="0ad386fc3eab5e53c0288ad1de33639a9e461b7c" region="proms" offset="200"/>
              <rom name="rp2c0x.pal" merge="rp2c0x.pal" size="192" crc="48de65dc" sha1="d10acafc8da9ff479c270ec01180cca61efe62f5" region="palette" offset="0"/>
              <rom name="b9-u4" size="131072" crc="d007231a" sha1="60690eaeacb79dbcab7dfe1c1e40da1aac235793" region="cart" offset="10000"/>
              <rom name="b9-u1" size="131072" crc="ce149864" sha1="00c88525756a360f42b27f0e2afaa0a19c2645a6" region="gfx2" offset="0"/>
              <rom name="security.prm" size="16" crc="3e871350" sha1="b338f9ef4e18d14843c6a1e8ecb974bca1df73d4" region="rp5h01" offset="0"/>
              <chip type="cpu" tag="maincpu" name="Z80" clock="4000000"/>
              <chip type="cpu" tag="cart" name="N2A03" clock="1789772"/>
              <chip type="audio" tag="mono" name="Speaker"/>
              <chip type="audio" tag="nes" name="N2A03" clock="1789772"/>
              <chip type="audio" tag="dac" name="DAC"/>
              <display tag="top" type="raster" rotate="0" width="256" height="240" refresh="60.000000" pixclock="4024320" htotal="256" hbend="0" hbstart="256" vtotal="262" vbend="0" vbstart="240" />
              <display tag="bottom" type="raster" rotate="0" width="256" height="240" refresh="60.000000" pixclock="4024320" htotal="256" hbend="0" hbstart="256" vtotal="262" vbend="0" vbstart="240" />
              <sound channels="1"/>
              <input players="2" buttons="2" coins="2" service="yes">
                     <control type="joy" ways="8"/>
              <dipswitch name="Units of time (coin A/coin B)" tag="SW1" mask="63">
                     <dipvalue name="300/0" value="0" default="yes"/>
                     <dipvalue name="300/100" value="1"/>
                     <dipvalue name="300/200" value="2"/>
                     <dipvalue name="300/300" value="3"/>
                     <dipvalue name="300/400" value="4"/>
                     <dipvalue name="300/500" value="5"/>
                     <dipvalue name="300/600" value="6"/>
                     <dipvalue name="300/700" value="7"/>
                     <dipvalue name="300/800" value="8"/>
                     <dipvalue name="300/900" value="9"/>
                     <dipvalue name="150/0" value="10"/>
                     <dipvalue name="150/200" value="11"/>
                     <dipvalue name="150/400" value="12"/>
                     <dipvalue name="150/500" value="15"/>
                     <dipvalue name="150/600" value="13"/>
                     <dipvalue name="150/800" value="14"/>
                     <dipvalue name="300/1000" value="16"/>
                     <dipvalue name="300/1100" value="17"/>
                     <dipvalue name="300/1200" value="18"/>
                     <dipvalue name="300/1300" value="19"/>
                     <dipvalue name="300/1400" value="20"/>
                     <dipvalue name="300/1500" value="21"/>
                     <dipvalue name="300/1600" value="22"/>
                     <dipvalue name="300/1700" value="23"/>
                     <dipvalue name="300/1800" value="24"/>
                     <dipvalue name="300/1900" value="25"/>
                     <dipvalue name="150/1000" value="26"/>
                     <dipvalue name="150/1200" value="27"/>
                     <dipvalue name="150/1400" value="28"/>
                     <dipvalue name="150/1500" value="31"/>
                     <dipvalue name="150/1600" value="29"/>
                     <dipvalue name="150/1800" value="30"/>
                     <dipvalue name="300/2000" value="32"/>
                     <dipvalue name="300/2100" value="33"/>
                     <dipvalue name="300/2200" value="34"/>
                     <dipvalue name="300/2300" value="35"/>
                     <dipvalue name="300/2400" value="36"/>
                     <dipvalue name="300/2500" value="37"/>
                     <dipvalue name="300/2600" value="38"/>
                     <dipvalue name="300/2700" value="39"/>
                     <dipvalue name="300/2800" value="40"/>
                     <dipvalue name="300/2900" value="41"/>
                     <dipvalue name="150/2000" value="42"/>
                     <dipvalue name="150/2200" value="43"/>
                     <dipvalue name="150/2400" value="44"/>
                     <dipvalue name="150/2500" value="47"/>
                     <dipvalue name="150/2600" value="45"/>
                     <dipvalue name="150/2800" value="46"/>
                     <dipvalue name="300/3000" value="48"/>
                     <dipvalue name="300/3100" value="49"/>
                     <dipvalue name="300/3200" value="50"/>
                     <dipvalue name="300/3300" value="51"/>
                     <dipvalue name="300/3400" value="52"/>
                     <dipvalue name="300/3500" value="53"/>
                     <dipvalue name="300/3600" value="54"/>
                     <dipvalue name="300/3700" value="55"/>
                     <dipvalue name="300/3800" value="56"/>
                     <dipvalue name="300/3900" value="57"/>
                     <dipvalue name="150/3000" value="58"/>
                     <dipvalue name="150/3200" value="59"/>
                     <dipvalue name="150/3400" value="60"/>
                     <dipvalue name="150/3500" value="63"/>
                     <dipvalue name="150/3600" value="61"/>
                     <dipvalue name="150/3800" value="62"/>
              <dipswitch name="Demo Sounds" tag="SW1" mask="64">
                     <dipvalue name="Off" value="0"/>
                     <dipvalue name="On" value="64" default="yes"/>
              <dipswitch name="Service Mode" tag="SW1" mask="128">
                     <dipvalue name="Off" value="0" default="yes"/>
                     <dipvalue name="On" value="128"/>
              <dipswitch name="Timer speed" tag="SW2" mask="191">
                     <dipvalue name="60 units per second" value="5"/>
                     <dipvalue name="30 units per second" value="6"/>
                     <dipvalue name="20 units per second" value="7"/>
                     <dipvalue name="15 units per second" value="8"/>
                     <dipvalue name="10 units per second" value="10"/>
                     <dipvalue name="6 units per second" value="14"/>
                     <dipvalue name="5 units per second" value="16"/>
                     <dipvalue name="4 units per second" value="19"/>
                     <dipvalue name="3 units per second" value="24"/>
                     <dipvalue name="2 units per second" value="34"/>
                     <dipvalue name="1 unit per second" value="63" default="yes"/>
                     <dipvalue name="1 unit every 4 seconds" value="0"/>
                     <dipvalue name="Free Play" value="128"/>
              <dipswitch name="Coin Mode" tag="SW2" mask="64">
                     <dipvalue name="Mode 1" value="0" default="yes"/>
                     <dipvalue name="Mode 2" value="64"/>
              <driver status="imperfect" emulation="good" color="good" sound="good" graphic="imperfect" savestate="unsupported" palettesize="768"/>

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