game
icon
title Alpha Mission
set name alphamis
manufacturer SNK
year 1985
genre Shooter (hof)
category Shooter / Flying Vertical (hof)
driver status good
driver source snk.c
snapshots MW: in game | parent / CT: in game | title | parent / EJ: parent / PS: in game | title | parent
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rating

64.3% after 30 votes
 
parent ASO - Armored Scrum Object
other clones Arian Mission
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display
colour emulation good
palette 1024
display type raster
orientation vertical
resolution 216x288
frequency 60.000000Hz
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sound
sound emulation good
channels mono
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controls
players 2
nplayers 2P alt
controls 8 way joystick
buttons 3
coin slots 2
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hardware
cpu Z80 @ 3.35MHz
cpu Z80 @ 3.35MHz
cpu Z80 @ 4MHz
audio YM3526 @ 4MHz
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data
version added .093
last change(s) .127u2 .109u4
roms
name size crc set flags sha1
p1.rom  16384  69af874b  alphamis    11a13574614e7e3b9e33c2b2827571946a805376 
p2.rom  16384  7707bfe3  alphamis    fb1f4ef862f6762d2479e537fc67a819d11ace76 
p3.rom  16384  b970d642  alphamis    d3a8045f05f001e5e2fae8ef7900cf87ab17fc74 
p4.rom  16384  91a89d3c  alphamis    46ef8718c81aac2f09dd1884538750edf9662760 
p5.d2  16384  9879e506  aso    0bce5fcb9d05ce77cd8e9ad1cac04ef617928db0 
p6.d1  16384  c0bfdf1f  aso    65b15ce9c2e78df79cb603c58639421d29701633 
p7.f4  16384  dbc19736  aso    fe365d70ead8243374979d2162c395fed9870405 
p8.f3  16384  537726a9  aso    ddf66946be71d2e6ab2cc53150e3b36d45dde2eb 
p9.f2  16384  aef5a4f4  aso    e908e79e27ff892fe75d1ba5cb0bc9dc6b7b4268 
p14.rom  8192  acbe29b2  alphamis    e304c6d30888fa7549d25e6329ba94d5088bd8b7 
p10.h14  32768  00dff996  aso    4f6ce4c0f2da0d2a711bcbf9aa998b4e31d0d9bf 
p11.h11  32768  7feac86c  aso    13b81f006ec587583416c1e7432da4c3f0375924 
p12.h9  32768  6895990b  aso    e84554cae9a768021c3dc7183bc3d28e2dd768ee 
p13.h8  32768  87a81ce1  aso    28c1069e6c08ecd579f99620c1cb6df01ad1aa74 
mb7122h.f12  1024  5b0a0059  aso    f61e17c8959f1cd6cc12b38f2fb7c6190ebd0e0c 
mb7122h.f13  1024  37e28dd8  aso    681726e490872a574dd0295823a44d64ef3a7b45 
mb7122h.f14  1024  c3fd1dd3  aso    c48030cc458f0bebea0ffccf3d3c43260da6a7fb 
pal16l8a-1.bin  260  4e3f9e0d  aso    de448d50c0d1cdef159a8c4028846142210eba0b 
pal16l8a-2.bin  260  2a681f9e  aso    b26eb631d3e4fa6850a109a9a63d377cf86923bc 
pal16r6a.bin  260  59c03681  aso    d21090b35596c28d44862782386e84dfc1feff0c 
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cabinet art
control panel aso.png
flyer aso.png
PCB aso.png
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additional information
info 0.35b8 [Carlos A. Lozano, Phil Stroffolino]

SERVICE MODE:
  • To enter service mode hold P1 Start during ROM test.
WIP:
  • 0.127u2: Nicola Salmoria replaced ASO roms (which were possibly from a bootleg) with split ones that are definitely from an original. Renamed roms across sets accordingly. Stephane Humbert fixed dipswitches and inputs for ASO and clones Alpha Mission and Arian Mission. Nicola Salmoria fixed palette decoding of early SNK games (ASO). The least significan bits were assigned incorrectly.
  • 0.127u1: SNK rewrite [Nicola Salmoria]: Fixed sprite-sprite priorities. Moved ASO from HAL21 to SNK driver. Removed hacks and fixed background color. Changed Z80 CPU1/2 clock speeds to 3250000 Hz. Fixed gfx rom loading.
  • 0.109u4: Brian Troha added clone Arian Mission. Fixed rom names.
  • 0.106u12: MASH added plds ($0, 200, 400 - pal16l8a-1.bin, pal16l8a-2.bin and pal16r6a.bin) to Aso.
  • 0.93: Dave Widel added clone Alpha Mission.
  • 0.72: Acho A. Tang improved scrolling and color and fixed music and sound effects being cut short.
  • 31st July 2000: Guru - Dumped Alpha Mission (Redump, previous dump was bad).
  • 0.36b12: Removed 4x ADPCM.
  • 2nd May 1999: Phil Stroffolino finally got the correct colors for ASO, TNK3 and Athena.
  • 0.35b8: Carlos A. Lozano and Phil Stroffolino added ASO (Armored Scrum Object) (SNK 1985).
LEVELS: 13

Recommended Games (Star Force):

Night Star (Cassette)

Nova 2001

Star Jacker

Zodiack

Star Force

Alpha Mission / ASO

Alpha Mission II / ASO II

Astro Warrior (Mega-Tech)

Mission 660

Rafflesia

S.R.D. Mission

Truxton

Truxton II

Blast Off

Blazing Lazers

The Next Space

Omega Fighter

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: 284 kb / 20 files / 121.2 zip
history Alpha Mission (c) 1985 SNK.


A vertically scrolling shoot'em up game.


- TECHNICAL -


Main CPU : (2x) Z80 (@ 4 Mhz)

Sound CPU : Z80 (@ 4 Mhz)

Sound Chips : YM3526 (@ 4 Mhz)


Screen orientation : Vertical

Video resolution : 216 x 288 pixels

Screen refresh : 60.00 Hz

Palette colors : 1024


Players : 2

Control : 8-way Joystick

Buttons : 3


- TRIVIA -


This game is known as "ASO - Armored Scrum Object" in Japan. And is also known as "Arian Mission".


- SERIES -
  1. Alpha Mission (1985)
  2. Alpha Mission II (1991)
resource links view in MAWS
view in CAESAR
view high score and replay at MARP
view in Progetto EMMA (Italian)
view in arcade-history.com
view in arcade-history.com
view in GameFAQs
view in GameFAQs
view in KLOV
view in KLOV
view in KLOV
view in MamEnd
view in MamEnd
view in System16
view in System16
view in The Arcade Flyer Archive
view in The Arcade Flyer Archive
view in VGMuseum Game Endings
view in VGMuseum Gamepics
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cheats
cheats
code comments
00000000:E774:00000099:FFFFFFFF  Infinite Credits
00000000:DCD5:00000000:FFFFFFFF  Invincibility
20A00000:24D5:00000306:FFFFFFFF  1 Parts to Get Armor
20800000:20AF:000000B1:FFFFFFFF  B-Panel Always 8000 pts
20910000:20B2:000001FF:FFFFFFFF  B-Panel Always 8000 pts (2/2)
60000000:0000:00000000:00000000 
00000000:DCEB:00000009:FFFFFFFF  Infinite Lives PL1
00000000:DD23:00000003:FFFFFFFF  Infinite Continues PL1:If continue play is available
00000000:DD07:00000019:FFFFFFFF  Maximum Energy PL1
00010000:DD08:00000019:FFFFFFFF  Maximum Energy PL1 (2/2)
00000000:DD01:00000030:00000030  Maximum Speed PL1
00000000:DD01:0000000C:0000000C  Maximum Fire Power PL1
00000000:DD01:00000003:00000003  Maximum Missiles PL1
00000000:DCFE:00000000:FFFFFFFF  Rapid Fire - Antiair PL1
00000000:DCFF:00000000:FFFFFFFF  Rapid Fire - Antisurface PL1
00000000:DCD6:00000005:FFFFFFFF  Always Open Item Box PL1
00000000:DD04:00000001:00000001  Always Have Oct Armor PL1
00000000:DD04:00000002:00000002  Always Have Shield Armor PL1
00000000:DD04:00000004:00000004  Always Have Cannon Armor PL1
00000000:DD04:00000008:00000008  Always Have Homing Armor PL1
00000000:DD04:00000010:00000010  Always Have Paralyz Armor PL1
00000000:DD04:00000020:00000020  Always Have Nuclear Armor PL1
00000000:DD04:00000040:00000040  Always Have Fire Armor PL1
00000000:DD04:00000080:00000080  Always Have Thunder Armor PL1
62000000:0000:00000000:00000000  Select Equipped Armor PL1
00010000:DCC9:00000000:FFFFFFFF  No Armor
00010000:DCC9:00000001:FFFFFFFF  Oct Armor
00010000:DCC9:00000002:FFFFFFFF  Shield Armor
00010000:DCC9:00000003:FFFFFFFF  Cannon Armor
00010000:DCC9:00000004:FFFFFFFF  Homing Armor
00010000:DCC9:00000005:FFFFFFFF  Paralyz Armor
00010000:DCC9:00000006:FFFFFFFF  Nuclear Armor
00010000:DCC9:00000007:FFFFFFFF  Fire Armor
00010000:DCC9:00000008:FFFFFFFF  Thunder Armor
60000000:0000:00000000:00000000 
00000000:DD4F:00000009:FFFFFFFF  Infinite Lives PL2
00000000:DD87:00000003:FFFFFFFF  Infinite Continues PL2:If continue play is available
00000000:DD6B:00000019:FFFFFFFF  Maximum Energy PL2
00010000:DD6C:00000019:FFFFFFFF  Maximum Energy PL2 (2/2)
00000000:DD65:00000030:00000030  Maximum Speed PL2
00000000:DD65:0000000C:0000000C  Maximum Fire Power PL2
00000000:DD65:00000003:00000003  Maximum Missiles PL2
00000000:DD62:00000000:FFFFFFFF  Rapid Fire - Antiair PL2
00000000:DD63:00000000:FFFFFFFF  Rapid Fire - Antisurface PL2
00000000:DD3A:00000005:FFFFFFFF  Always Open Item Box PL2
00000000:DD68:00000001:00000001  Always Have Oct Armor PL2
00000000:DD68:00000002:00000002  Always Have Shield Armor PL2
00000000:DD68:00000004:00000004  Always Have Cannon Armor PL2
00000000:DD68:00000008:00000008  Always Have Homing Armor PL2
00000000:DD68:00000010:00000010  Always Have Paralyz Armor PL2
00000000:DD68:00000020:00000020  Always Have Nuclear Armor PL2
00000000:DD68:00000040:00000040  Always Have Fire Armor PL2
00000000:DD68:00000080:00000080  Always Have Thunder Armor PL2
62000000:0000:00000000:00000000  Select Equipped Armor PL2
00010000:DD2D:00000000:FFFFFFFF  No Armor
00010000:DD2D:00000001:FFFFFFFF  Oct Armor
00010000:DD2D:00000002:FFFFFFFF  Shield Armor
00010000:DD2D:00000003:FFFFFFFF  Cannon Armor
00010000:DD2D:00000004:FFFFFFFF  Homing Armor
00010000:DD2D:00000005:FFFFFFFF  Paralyze Armor
00010000:DD2D:00000006:FFFFFFFF  Nuclear Armor
00010000:DD2D:00000007:FFFFFFFF  Fire Armor
00010000:DD2D:00000008:FFFFFFFF  Thunder Armor
60000000:0000:00000000:00000000 
00000000:D819:00000002:FFFFFFFF  Sound Test Timer Stop
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