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yamyam: MAME ROM Information.


Yam! Yam!? (c) 1990 Dooyong.


Main CPU : Z80 (@ 8 Mhz)

Sound Chips : YM2203 (@ 1.5 Mhz)

Screen orientation : Horizontal

Video resolution : 256 x 224 pixels

Screen refresh : 60.00 Hz

Palette Colors : 512

Players : 2

Control : 4-way joystick

Buttons : 2


This game is also known as "Wise Guy".

Originally developed by Nihon Maicom Kaihatsu (NMK). But the Japanese location test was a flop. So, they changed the character design and published it through Dooyong in Korea.


Game's rom.

MAME Info:

0.35b12 [Nicola Salmoria]


- 0.142u4: Angelo Salese cleaned-up protection simulation in 'Yam! Yam!?'.

- 0.135u3: Fabio Priuli added driver data struct and save states to Gun Dealer driver.

- 0.133u1: Brian Troha added DIP locations to Yam! Yam! and clone Wise Guy.

- 0.35b12: Nicola Salmoria added Yam! Yam!? (Dooyong 1990) and clone Wise Guy.

- 27th April 1999: Nicola sent in a Yam! Yam!? driver and Jim Hernandez added clone Wise Guy to the Yam! Yam!? driver.


Recommended Games (Maze Pengo):





Kick Boy

Mr. Jong

Rock Duck

Scrambled Egg

Pirate Ship Higemaru

Rumba Lumber


Kitten Kaboodle

Meikyu Jima

Yam! Yam!?


Three Wonders - Don't Pull Puzzle

Mr. Kicker

Romset: 320 kb / 3 files / 104.2 zip

MAME XML Output:

       <game name="yamyam" sourcefile="gundealr.c">
              <description>Yam! Yam!?</description>
              <rom name="b3.f10" size="131072" crc="96ae9088" sha1="a605882dcdcf1e8cf8b0112f614e696d59acfd97" region="maincpu" offset="0"/>
              <rom name="mcu" size="65536" status="nodump" region="mcu" offset="0"/>
              <rom name="b2.d16" size="65536" crc="cb4f84ee" sha1="54319ecbd74b763757eb6d17c8f7be0705ab0714" region="gfx1" offset="0"/>
              <rom name="b1.a16" size="131072" crc="b122828d" sha1="90994ba548893a2eacdd58351cfa3952f4af926a" region="gfx2" offset="0"/>
              <chip type="cpu" tag="maincpu" name="Z80" clock="8000000"/>
              <chip type="audio" tag="mono" name="Speaker"/>
              <chip type="audio" tag="ymsnd" name="YM2203" clock="1500000"/>
              <display tag="screen" type="raster" rotate="0" width="256" height="224" refresh="60.000000" />
              <sound channels="1"/>
              <input players="2" buttons="2" coins="2" tilt="yes">
                     <control type="joy" ways="4"/>
              <dipswitch name="Lives" tag="DSW0" mask="3">
                     <dipvalue name="3" value="0" default="yes"/>
                     <dipvalue name="4" value="1"/>
                     <dipvalue name="5" value="2"/>
                     <dipvalue name="6" value="3"/>
              <dipswitch name="Difficulty?" tag="DSW0" mask="12">
                     <dipvalue name="Easy?" value="0" default="yes"/>
                     <dipvalue name="Medium?" value="4"/>
                     <dipvalue name="Hard?" value="8"/>
                     <dipvalue name="Hardest?" value="12"/>
              <dipswitch name="Demo Sounds" tag="DSW0" mask="16">
                     <dipvalue name="Off" value="16"/>
                     <dipvalue name="On" value="0" default="yes"/>
              <dipswitch name="Unknown" tag="DSW0" mask="32">
                     <dipvalue name="Off" value="32" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="Cabinet" tag="DSW0" mask="64">
                     <dipvalue name="Upright" value="64" default="yes"/>
                     <dipvalue name="Cocktail" value="0"/>
              <dipswitch name="Flip Screen" tag="DSW0" mask="128">
                     <dipvalue name="Off" value="0" default="yes"/>
                     <dipvalue name="On" value="128"/>
              <dipswitch name="Coin A" tag="DSW1" mask="7">
                     <dipvalue name="5 Coins/1 Credit" value="7"/>
                     <dipvalue name="4 Coins/1 Credit" value="6"/>
                     <dipvalue name="3 Coins/1 Credit" value="5"/>
                     <dipvalue name="2 Coins/1 Credit" value="4"/>
                     <dipvalue name="1 Coin/1 Credit" value="0" default="yes"/>
              <dipswitch name="Coin B" tag="DSW1" mask="56">
                     <dipvalue name="5 Coins/1 Credit" value="56"/>
                     <dipvalue name="4 Coins/1 Credit" value="48"/>
                     <dipvalue name="3 Coins/1 Credit" value="40"/>
                     <dipvalue name="2 Coins/1 Credit" value="32"/>
                     <dipvalue name="1 Coin/1 Credit" value="0" default="yes"/>
              <dipswitch name="Free Play" tag="DSW1" mask="64">
                     <dipvalue name="Off" value="0" default="yes"/>
                     <dipvalue name="On" value="64"/>
              <dipswitch name="Service Mode" tag="DSW1" 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="512"/>

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