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wboy4: MAME ROM Information.


Wonder Boy (c) 1986 Sega.

A little boy ventures through Wonderland in this horizontally scrolling game. There are 4 areas, each with 4 levels and end bosses. Walking and jumping depletes your energy so you must eat food found along the way.


Sega System 1 hardware

Game ID : 834-5984

Main CPU : Z80 (@ 4 Mhz)

Sound CPU : Z80 (@ 4 Mhz)

Sound Chips : SN76496 (@ 4 Mhz), SN76496 (@ 2 Mhz)

Players : 2

Control : 2-way joystick

Buttons : 2


Released in April 1986 in Japan.

Licensed to Escape.

Chris E McClard holds the official official record for this game, on factory setting, with 1,217,240 points on 06/05/2005.

A deluxe version (bootleg ?) was made by Vision Electronics (see Updates section for more information).


Wonder Boy Deluxe has a dip switch to control how fast the energy decreases.


* Round 8 : If you manages to finish the game (Round 7 area 4) without forgetting any of the sweet little faces that multiply the vitality at the end of the screen, you can enjoy the Round 8.


1. Wonder Boy (1986)

2. Wonder Boy in Monster Land (1987)

3. Wonder Boy III - Monster Lair (1988)

4. Wonder Boy IV - Monster World II (Sega Mega Drive)

5. Wonder Boy V - Monster World III (1991, Sega Mega Drive)

6. Monster World IV (1994, Sega Mega Drive)


* Consoles :

Sega SG-1000 (1986)

Nintendo Famicom (1986, "Adventure island")

Sega Master System (1987)

Sega Game Gear (1990)

Nintendo Game Boy (1991, "Adventure island")

Nintendo Super Famicom (1992, "Super Adventure Island")

Sony PlayStation 2 (2007, "Sega Ages 2500 Vol. 29 - Monster World Complete Collection")

* Computers :

Sinclair ZX Spectrum (1987)

Commodore C64 (1987)

Amstrad CPC (1987)



Game's rom.

MAME Info:

0.37b16 [Nicola Salmoria]

0.34b2 [Nicola Salmoria]

0.31 [Jarek Parchanski]

Artwork available


* Wanted: 317-0048 FD1094 CPU


- 0.145u5: ANY and The Dumping Union added clones Wonder Boy (set 5, bootleg) and (US bootleg).

- 0.144u4: hap fixed 'gameplay smoothness' issue in Wonder Boy and clones.

- 0.131u2: Changed description of clone 'Wonder Boy (not encrypted)' to 'Wonder Boy (prototype?)'.

- 0.126u5: Nicola Salmoria fixed access violation in Wonder Boy and clone (system 2).

- 26th July 2008: Mr. Do - Funny story. Tormod sent me a BUNCH of instruction cards a long time ago. You've probably been seeing them added in every so often. Well, around July of last year, I had completed a whole bunch of them, but then had a computer crash, and they ended up on the "spare" hard drive by mistake. I found them again going through a cleanup. So thanks to Tormod, this week we have Wonder Boy.

- 0.123u6: Changed description of clone 'Wonder Boy (set 4, 315-5162)' to 'Wonder Boy (315-5162, 4-D Warriors Conversion)'.

- 0.122u8: RansAckeR improved dipswitches according to manuals in Wonder Boy.

- 0.115u4: Replaced SN76496 sound with SN76489.

- 0.113u3: Changed description to 'Wonder Boy (set 1, 315-5177)' and clones '(set 1, old encryption)' to '(set 1, 315-5135)', '(set 2)' to '(set 2, 315-5178)', '(set 2 not encrypted)' to '(set 2, not encrypted)', '(set 3)' to '(set 3, 315-5135)' and '(set 4)' to '(set 4, 315-5162)'.

- 0.108: Nicola Salmoria added clone Wonder Boy (set 4).

- 21st August 2006: Corrado Tomaselli dumped Wonder Boy (set 4). This wonderboy romset runs on a System1 1985 PCB with some flying wires. Serial number of the PCB is 257.

- 0.106u6: Canim fixed input and dipswitches in clone Wonder Boy (system 2).

- 0.102u2: David Widel added clone Wonder Boy (system 2).

- 26th April 2003: smf added another encrypted version of Wonderboy to the Sega System 1/2 driver.

- 0.37b16: Changed 'Wonder Boy (set 1)' to clone '(set 1, old encryption)', '(set 3)' to parent '(set 1, new encryption)' and '(set 2)' to '(set 3)', '(set 4)' to '(set 2)' and '(set 4 not encrypted)' to '(set 2 not encrypted)'. Renamed (wboy) to (wboyo), (wboy3) to (wboy), (wboy2) to (wboy3), (wboy4) to (wboy2) and (wboy4u) to (wboy2u).

- 0.37b6: Added proms ($300 - timing? (not used)). Changed Z80 CPU1 clock speed to 3.6MHz and palettesize from 2048 to 1536 colors. Renamed wboy3 to wboy (set 1, new encryption), wboy (set 1) to wboyo (set 1, old encryption), wboy2 to wboy3, wboy4 to wboy2 and wboy4u to wboy2u.

- 0.34b7: Howie Cohen added high score saving to Wonder Boy.

- 0.34b3: Nicola Salmoria added clones Wonder Boy (set 3), (set 4) and (set 4 not encrypted).

- 0.34b2: Nicola Salmoria added Wonder Boy (set 1) and clones (set 2) and (not encrypted).

- 15th August 1998: Dumped Wonder Boy (prototype?).

- 0.33b5: David Calandra mapped the unknown dipswitch in Wonder Boy Deluxe.

- 0.33b4: Nicola Salmoria added accurate colors to Wonder Boy Deluxe.

- 0.33b2: Chris Moore fixed high score saving in Wonder Boy Deluxe.

- 0.31: Jarek Parchanski added Wonder Boy Deluxe (Sega 1986).

- 26th March 1998: Dumped Wonder Boy (set 1, 315-5135).


Other Emulators:

* FB Alpha

Recommended Games (Platform Extra):



Pac-Land (United Amusements PC Engine)

Son Son

Road Runner

Vs. Super Mario Bros

Super Mario Bros. (PlayChoice-10)

Super Mario Bros. 2 (PlayChoice-10)

Super Mario Bros. 3 (PlayChoice-10)

Super Mario World


Alex Kidd: The Lost Stars


The Goonies (PlayChoice-10)

Vs. The Goonies


Red Robin

Wonder Boy

Wonder Boy in Monster Land

Wonder Boy III - Monster Lair

Chip'n Dale: Rescue Rangers (PlayChoice-10)

Psychic 5

Psycho Soldier


Tricky Doc


Bonze Adventure

Dynamite Dux

Hard Head

Hard Head 2


The NewZealand Story

Fantasy Land

Keith Courage In Alpha Zones

Legend of Hero Tonma

Marvel Land



Blue's Journey

Hammerin' Harry

Liquid Kids

Mega Twins


Yo! Noid (PlayChoice-10)

Caveman Ninja / Joe & Mac

Ninja Clowns


Rockin' Kats (PlayChoice-10)

The Simpsons

Three Wonders - Midnight Wanderers

The Addams Family (Nintendo Super System)


Kid Chameleon (Mega-Tech)


J. J. Squawkers

Magical Cat Adventure

Spin Master / Miracle Adventure

B.C. Kid

Battle Toads


Super Trio

Top Hunter - Roddy & Cathy

Charlie Ninja

Romset: 169 kb / 15 files / 85.3 zip

MAME XML Output:

       <game name="wboy4" sourcefile="system1.c" cloneof="wboy" romof="wboy">
              <description>Wonder Boy (315-5162, 4-D Warriors Conversion)</description>
              <manufacturer>Escape (Sega license)</manufacturer>
              <rom name="ic2.bin" size="32768" crc="48b2c006" sha1="35492330dae71d410712380466b4c09b81df8559" region="maincpu" offset="0"/>
              <rom name="ic3.bin" size="32768" crc="466cae31" sha1="e47e9084c83796a0a0dfeaa1f8f868cadd5f32c7" region="maincpu" offset="8000"/>
              <rom name="7583.126" size="32768" crc="99334b3c" sha1="dfc09f63082b7666fa2152e22810c0455a7e5051" region="soundcpu" offset="0"/>
              <rom name="epr7610.ic62" size="16384" crc="1685d26a" sha1="d30d08d61d789fd5a0eb7ef2998eb9728dabf4c9" region="tiles" offset="0"/>
              <rom name="epr7609.ic64" size="16384" crc="87ecba53" sha1="b904d5af25e0c1f8c8ca8dc11a3bed508c868f19" region="tiles" offset="4000"/>
              <rom name="epr7608.ic66" size="16384" crc="e812b3ec" sha1="3eebeaf3480a0370aa5ee031c25768ada17ad8a2" region="tiles" offset="8000"/>
              <rom name="7578.87" size="32768" crc="6ff1637f" sha1="9a6ddbd7b8d53273b30c3529b028c1f28bf3c63b" region="sprites" offset="0"/>
              <rom name="7577.86" size="32768" crc="58b3705e" sha1="1a8ff3f1765a3b21145bd1a6c85441f806f7b17d" region="sprites" offset="8000"/>
              <rom name="pr-5317.76" merge="pr-5317.76" size="256" crc="648350b8" sha1="c7986aa9127ef5b50b845434cb4e81dff9861cd2" region="proms" offset="0"/>
              <chip type="cpu" tag="maincpu" name="Z80" clock="20000000"/>
              <chip type="cpu" tag="soundcpu" name="Z80" clock="4000000"/>
              <chip type="audio" tag="mono" name="Speaker"/>
              <chip type="audio" tag="sn1" name="SN76489A" clock="2000000"/>
              <chip type="audio" tag="sn2" name="SN76489A" clock="4000000"/>
              <display tag="screen" type="raster" rotate="0" width="512" height="224" refresh="60.096154" pixclock="10000000" htotal="640" hbend="0" hbstart="512" vtotal="260" vbend="0" vbstart="224" />
              <sound channels="1"/>
              <input players="2" buttons="2" coins="2" service="yes">
                     <control type="joy" ways="2"/>
              <dipswitch name="Coin A" tag="SWA" mask="15">
                     <dipvalue name="4 Coins/1 Credit" value="7"/>
                     <dipvalue name="3 Coins/1 Credit" value="8"/>
                     <dipvalue name="2 Coins/1 Credit" value="9"/>
                     <dipvalue name="2 Coins/1 Credit 5/3 6/4" value="5"/>
                     <dipvalue name="2 Coins/1 Credit 4/3" value="4"/>
                     <dipvalue name="1 Coin/1 Credit" value="15" default="yes"/>
                     <dipvalue name="1 Coin/1 Credit 2/3" value="1"/>
                     <dipvalue name="1 Coin/1 Credit 4/5" value="2"/>
                     <dipvalue name="1 Coin/1 Credit 5/6" value="3"/>
                     <dipvalue name="2 Coins/3 Credits" value="6"/>
                     <dipvalue name="1 Coin/2 Credits" value="14"/>
                     <dipvalue name="1 Coin/3 Credits" value="13"/>
                     <dipvalue name="1 Coin/4 Credits" value="12"/>
                     <dipvalue name="1 Coin/5 Credits" value="11"/>
                     <dipvalue name="1 Coin/6 Credits" value="10"/>
              <dipswitch name="Coin B" tag="SWA" mask="240">
                     <dipvalue name="4 Coins/1 Credit" value="112"/>
                     <dipvalue name="3 Coins/1 Credit" value="128"/>
                     <dipvalue name="2 Coins/1 Credit" value="144"/>
                     <dipvalue name="2 Coins/1 Credit 5/3 6/4" value="80"/>
                     <dipvalue name="2 Coins/1 Credit 4/3" value="64"/>
                     <dipvalue name="1 Coin/1 Credit" value="240" default="yes"/>
                     <dipvalue name="1 Coin/1 Credit 2/3" value="16"/>
                     <dipvalue name="1 Coin/1 Credit 4/5" value="32"/>
                     <dipvalue name="1 Coin/1 Credit 5/6" value="48"/>
                     <dipvalue name="2 Coins/3 Credits" value="96"/>
                     <dipvalue name="1 Coin/2 Credits" value="224"/>
                     <dipvalue name="1 Coin/3 Credits" value="208"/>
                     <dipvalue name="1 Coin/4 Credits" value="192"/>
                     <dipvalue name="1 Coin/5 Credits" value="176"/>
                     <dipvalue name="1 Coin/6 Credits" value="160"/>
              <dipswitch name="Cabinet" tag="SWB" mask="1">
                     <dipvalue name="Upright" value="0" default="yes"/>
                     <dipvalue name="Cocktail" value="1"/>
              <dipswitch name="Demo Sounds" tag="SWB" mask="2">
                     <dipvalue name="Off" value="2"/>
                     <dipvalue name="On" value="0" default="yes"/>
              <dipswitch name="Lives" tag="SWB" mask="12">
                     <dipvalue name="3" value="12" default="yes"/>
                     <dipvalue name="4" value="8"/>
                     <dipvalue name="5" value="4"/>
                     <dipvalue name="Free Play" value="0"/>
              <dipswitch name="Bonus Life" tag="SWB" mask="16">
                     <dipvalue name="30k 100k 170k 240k" value="16"/>
                     <dipvalue name="30k 120k 210k 300k" value="0" default="yes"/>
              <dipswitch name="Allow Continue" tag="SWB" mask="32">
                     <dipvalue name="No" value="0"/>
                     <dipvalue name="Yes" value="32" default="yes"/>
              <dipswitch name="Difficulty" tag="SWB" mask="64">
                     <dipvalue name="Easy" value="64" default="yes"/>
                     <dipvalue name="Hard" value="0"/>
              <dipswitch name="Unused" tag="SWB" mask="128">
                     <dipvalue name="Off" value="128" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <driver status="good" emulation="good" color="good" sound="good" graphic="good" savestate="supported" palettesize="2048"/>

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