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feversos: MAME ROM Information.


Fever SOS (c) 1998 Cave.

Get your groove on! In this strange but addictive overhead shooter, you must do battle against hordes of enemy spaceships and giant motherships in order to rescue the hostages. Features colorful graphics & awesome special effects, an ultra-cool 70's style soundtrack, plenty of options to customize your very own space fighter and the tried & true gameplay from Atlus/Cave (which means LOTS of bullets to dodge!). Fans of excellent overhead shooters, as well as 70's music freaks should not miss on this party!


Game ID : CV01

Cave 1st Generation Hardware

Main CPU : MC68000 (@ 16 Mhz)

Sound CPU : Z80 [Optional]

Sound Chips : YMZ280B (@ 16.9344 Mhz) or OKIM6295 x (1 or 2) + YM2203 / YM2151 [Optional]

Other : 93C46 EEPROM

Screen orientation : Vertical

Video resolution : 240 x 320 pixels

Screen refresh : 57.55 Hz

Palette colors : 2048

Players : 2

Control : 8-way joystick

Buttons : 3


Released in September 1998.

Licensed to Nihon System for distribution.

This game is known in Japan as "Dangun Feveron".

Scitron / Gamest released a limited-edition soundtrack album for this game (Dangun Feveron - SGCD-0004) on 04/12/1998.


* Secret Guest Character (from "Uo Poko") : Insert a coin and press quickly Down, Up, Right, Left, Up, Down, Left, Right, Start. 1P cat's name is Uotaro and 2P cat's is Poko (81). Note : At the continue (when you loose), you need to enter this code a second time, just after inserting a new credit, to continue to play with this guest character.

* Time Attack Mode : Insert a coin, hold A+B and press Start simultaneously.

* Break the spinning disco men record on each level to face off an extra last boss and get the complete ending.


Music composed by : Ryuichi Yabuki, Nanpei Misawa


Game's rom.

MAME Info:

0.122 [?]

0.37b2 [Luca Elia]

Artwork available (dfeveron)


- Press F2 to enter service mode. There are no dipswitches.


- 0.144: Changed description of clone to 'Dangan Feveron (Japan, Ver. 98/09/17)'.

- 0.136: Added eeprom-feversos.bin EEPROM.

- 0.122: Changed 'Dangun Feveron (Japan)' to clone 'Dangun Feveron (Japan, Ver. 98/09/17)' and 'Fever SOS (International)' to parent 'Fever SOS (International, Ver. 98/09/25)'.

- 8th October 2006: Mr. Do - Added Dangun Feveron instruction card from TheSheep.

- 0.79u1: Fixed clone Fever SOS so it works now.

- 0.79: Added clone Fever SOS (International).

- 0.57: Fixed gfx1/2/3 roms loading.

- 0.37b13: Changed VSync to 57.550644Hz.

- 0.37b10: Bernd Wiebelt fixed a YMZ280B bug that caused bad sound in the Cave games. Changed YMZ280B clock speed to 16934400 Hz.

- 0.37b5: Added YMZ280B (16Mhz) sound.

- 27th June 2000: Aaron Giles sent in an update to the YMZ280B sound core with much better sound output.

- 22nd June 2000: Aaron Giles sent in a preliminary YMZ280B sound core, adding sound to Dangun Feveron, ESP Ra.De. and Uo Poko.

- 0.37b2: Luca Elia added Dangun Feveron (Japan) (Cave 1998 (Nihon System license)).

- 19th April 2000: Luca Elia sent in a Cave driver with support for Dangun Feveron, Esprade, Uo Poko and Dodonpachi.


Other Emulators:

* FB Alpha

* Raine

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Night Star (DECO Cassette)

Nova 2001

Star Jacker


Star Force

Alpha Mission / ASO

Alpha Mission II / ASO II

Astro Warrior (Mega-Tech)

Mission 660


S.R.D. Mission


Truxton II

Blast Off

Blazing Lazers

The Next Space

Omega Fighter

Lethal Thunder


Strike Gunner S.T.G


Explosive Breaker

Final Star Force




Nebulas Ray



Viper Phase 1

Fever SOS

Mars Matrix: Hyper Solid Shooting

Romset: 17409 kb / 8 files / 6.51 zip

MAME XML Output:

       <game name="feversos" sourcefile="cave.c">
              <description>Fever SOS (International, Ver. 98/09/25)</description>
              <manufacturer>Cave (Nihon System license)</manufacturer>
              <rom name="cv01-u34.sos" size="524288" crc="24ef3ce6" sha1="42799eebbb2686a837b8972aec684143deadca59" region="maincpu" offset="0"/>
              <rom name="cv01-u33.sos" size="524288" crc="64ff73fd" sha1="7fc3a8469cec2361d373a4dac4a547c13ca5f709" region="maincpu" offset="1"/>
              <rom name="cv01-u25.bin" size="4194304" crc="a6f6a95d" sha1="e1eb45cb5d0e6163edfd9d830633b913fb53c6ca" region="sprites" offset="0"/>
              <rom name="cv01-u26.bin" size="4194304" crc="32edb62a" sha1="3def74e1316b80cc25a8c3ac162cd7bcb8cc807c" region="sprites" offset="400000"/>
              <rom name="cv01-u50.bin" size="2097152" crc="7a344417" sha1="828bd8f95d2fcc34407e17629ccafc904a4ea12d" region="layer0" offset="0"/>
              <rom name="cv01-u49.bin" size="2097152" crc="d21cdda7" sha1="cace4650de580c3c4a037f1f5c32bfc1846b383c" region="layer1" offset="0"/>
              <rom name="cv01-u19.bin" size="4194304" crc="5f5514da" sha1="53f27364aee544572a82649c9ff29bacc642b732" region="ymz" offset="0"/>
              <rom name="eeprom-feversos.bin" size="128" crc="d80303aa" sha1="8580f7c2223c72614516d800a98465e362c333ef" region="eeprom" offset="0"/>
              <chip type="cpu" tag="maincpu" name="68000" clock="16000000"/>
              <chip type="audio" tag="lspeaker" name="Speaker"/>
              <chip type="audio" tag="rspeaker" name="Speaker"/>
              <chip type="audio" tag="ymz" name="YMZ280B" clock="16934400"/>
              <display tag="screen" type="raster" rotate="270" width="320" height="240" refresh="57.550645" />
              <sound channels="2"/>
              <input players="2" buttons="3" coins="2" service="yes">
                     <control type="joy" ways="8"/>
              <driver status="good" emulation="good" color="good" sound="good" graphic="good" savestate="supported" palettesize="32768"/>

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