mayday: MAME ROM Information.
History:
Mayday!! (c) 1981 Hoei.
- TECHNICAL -
Main CPU : 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.
- SOURCES -
Game's rom.
Machine's picture.
MAME Info:
0.36b7 [Aaron Giles]
0.34b6 [?]
WIP:
- 0.95u3: Changed visible area to 294x239 and a cpu1 rom address to $16000 in Mayday.
- 0.88: Stefan Jokisch fixed Mayday inputs. Changed input from 5 to 3 buttons with 2x coin slots.
- 0.76u2: Removed 6th button.
- 0.58: Added clone Mayday (set 3).
- 0.57: Removed 3rd coin slot.
- 0.36b8: Changed description to 'Mayday (set 1)' and clone '(alternate)' to '(set 2)'. Added missing cpu1 rom ($12000) to clone (set 2).
- 0.36b7: Aaron Giles added Mayday (Hoei 1980) and clone (alternate).
- 7th October 1999: Aaron Giles added Mayday to the Williams driver.
- 0.34b6: Added MayDay (Testdriver) and clone (Alternate) (Testdriver).
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Romset: 30 kb / 8 files / 21.3 zip
MAME XML Output:
| | <game name="mayday" sourcefile="williams.c"> |
| | | <description>Mayday (set 1)</description> |
| | | <manufacturer>Hoei</manufacturer> |
| | | <rom name="ic03-3.bin" size="4096" crc="a1ff6e62" sha1="c3c60ce94c6bdc4b07e45f386eff9a4aa4816953" region="maincpu" offset="d000"/> |
| | | <rom name="ic02-2.bin" size="4096" crc="62183aea" sha1="3843fe055ab6d3bb5a3362f57a63ce99e36cec47" region="maincpu" offset="e000"/> |
| | | <rom name="ic01-1.bin" size="4096" crc="5dcb113f" sha1="c41d671c336c68824771b7c4f0ffce39f1b6cd62" region="maincpu" offset="f000"/> |
| | | <rom name="ic04-4.bin" size="4096" crc="ea6a4ec8" sha1="eaedc11968d88fd6f3c5b40c8d15d64ca6d0a1ab" region="maincpu" offset="10000"/> |
| | | <rom name="ic05-5.bin" size="4096" crc="0d797a3e" sha1="289d2ecfebd7d71430d6624f3c9fbc91f9ef05cc" region="maincpu" offset="11000"/> |
| | | <rom name="ic06-6.bin" size="4096" crc="ee8bfcd6" sha1="f68c44fdc18d57070aea604e261fb7b9407345a2" region="maincpu" offset="12000"/> |
| | | <rom name="ic07-7d.bin" size="4096" crc="d9c065e7" sha1="ceeb58d1dfe14106271f17cf1c689b812216c3c0" region="maincpu" offset="16000"/> |
| | | <rom name="ic28-8.bin" size="2048" crc="fefd5b48" sha1="ceb0d18483f0691978c604db94417e6941ad7ff2" region="soundcpu" offset="f800"/> |
| | | <chip type="cpu" tag="maincpu" name="M6809" clock="1000000"/> |
| | | <chip type="cpu" tag="soundcpu" name="M6808" clock="3579545"/> |
| | | <chip type="audio" tag="mono" name="Speaker"/> |
| | | <chip type="audio" tag="wmsdac" name="DAC"/> |
| | | <display tag="screen" type="raster" rotate="0" width="294" height="238" refresh="60.096154" pixclock="8000000" htotal="512" hbend="10" hbstart="304" vtotal="260" vbend="7" vbstart="245" /> |
| | | <input players="1" buttons="3" coins="2"> |
| | | | <control type="joy" ways="5 (half8)"/> |
| | | <driver status="good" emulation="good" color="good" sound="good" graphic="good" savestate="supported" palettesize="0"/> |
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