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Arcade
Arcade
Platform:

Mayday (set 1)

| 1980
Genre:
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Description:

Notes:
Release type:
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Controls/Input Device: Control(joy8way), Buttons(5)
Number of Players: 1
Rating:
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MAME folder name: mayday

Display: raster 294x238 @ 60.10Hz (60.10 pixclock)
Sound: 1 channels

Emulated in MAME via driver williams.c:
Status: good; Emulation: good
Graphic: good; Sound: good; Color: good
Palette size: 0; Savestate: supported

Roms:
ic01-1.bin with 4096kb
sha1:c41d671c336c68824771b7c4f0ffce39f1b6cd62 crc:5dcb113f
ic02-2.bin with 4096kb
sha1:3843fe055ab6d3bb5a3362f57a63ce99e36cec47 crc:62183aea
ic03-3.bin with 4096kb
sha1:c3c60ce94c6bdc4b07e45f386eff9a4aa4816953 crc:a1ff6e62
ic04-4.bin with 4096kb
sha1:eaedc11968d88fd6f3c5b40c8d15d64ca6d0a1ab crc:ea6a4ec8
ic05-5.bin with 4096kb
sha1:289d2ecfebd7d71430d6624f3c9fbc91f9ef05cc crc:0d797a3e
ic06-6.bin with 4096kb
sha1:f68c44fdc18d57070aea604e261fb7b9407345a2 crc:ee8bfcd6
ic07-7d.bin with 4096kb
sha1:ceeb58d1dfe14106271f17cf1c689b812216c3c0 crc:d9c065e7
ic28-8.bin with 2048kb
sha1:ceb0d18483f0691978c604db94417e6941ad7ff2 crc:fefd5b48
Mameinfo.dat entry:
0.37b10 [Yochizo]


WIP:

- 0.147u2: hap fixed clone Omega Fighter Special. The game fails to boot or finish post. After showing bad rom errors, the game resets.

- 0.147u1: Fixed maincpu rom loading.

- 0.122u7: Fixed gfx1/2/3/4/5 rom loading.

- 0.89u3: Changed Z80 CPU2 clock speed to 5MHz.

- 0.37b10: Yochizo added 'Omega Fighter' (UPL 1989) and clone Omega Fighter Special.

- 21st November 2000: Yochizo fixed some graphics bugs in the Omega Fighter / Atomic Robo-kid driver.

- 8th November 2000: Yochizo sent in a driver for Omega Fighter and Atomic Robo-kid.

- 25th April 1999: Dumped Omega Fighter Special.


LEVELS: 8 (restarts once)


Other Emulators:

* FB Alpha

* JFF

* Raine


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Lethal Thunder

Pollux

Strike Gunner S.T.G

Vimana

Explosive Breaker

Final Star Force

Galmedes

Gunlock

GunNail

Nebulas Ray

Super-X

Gekirindan

Viper Phase 1

Fever SOS

Mars Matrix: Hyper Solid Shooting


Romset: 2016 kb / 8 files / 457.8 zip


Credits Mameinfo and Mametesters Project Robert J. Rabgno et al.
History.dat entry:
Mayday!! (c) 1981 Hoei.

- TECHNICAL -

Main CPU : Motorola M6809 (@ 1 Mhz)
Sound CPU : M6808 (@ 894.75 Khz)
Sound Chips : DAC

Screen orientation : Horizontal
Video resolution : 294 x 239 pixels
Screen refresh : 60.00 Hz
Palette colors : 16

Players : 2
Control : 8-way joystick
Buttons : 3

- TRIVIA -

Williams considered this game to be an 'infringement' on their copyright of Defender which led to the halting of Mayday!!'s production.

Default highscore table :
1 MIT 20000
2 NOB 15000
3 NUN 10000
4 HON 7000
5 IKU 5000

Dwayne Richard holds the official record for this game with 6,235,300 points.

- CONTRIBUTE -

Edit this entry: http://www.arcade-history.com/?&page=detail&id=1586&o=2


Licensed from Alexis Bousiges under a CC Attribution 3.0 License
cheat.dat entry:
00000000 A037 00000099 FFFFFFFF Infinite Credits
20800000 E8A4 00000000 FFFFFFFF Invincibility
20810000 E8AB 00000020 FFFFFFFF Invincibility (2/2)
60000000 0000 00000000 00000000
00000000 A1A1 00000005 FFFFFFFF Infinite Lives PL1
00000000 A1A3 00000004 FFFFFFFF Infinite Smart Bombs PL1
00000701 A1A2 00000063 FFFFFFFF Select Current Mission PL1
00000703 A1A2 00000063 FFFFFFFF Select Next Mission PL1
60000000 0000 00000000 00000000
00000000 A1DE 00000005 FFFFFFFF Infinite Lives PL2
00000000 A1E0 00000004 FFFFFFFF Infinite Smart Bombs PL2
00000701 A1DF 00000063 FFFFFFFF Select Current Attack Wave PL2
00000703 A1DF 00000063 FFFFFFFF Select Next Attack Wave PL2

Credit Pugsy's MAME Cheat file
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