Alpha Mission

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Alpha Mission is the NES port of the arcade game by SNK.

Easy Cheats

Addr Val Cmp Description
Icon-HitPoints-Infinite.png 00DB 18 - Infinite Energy
Icon-Lives-Infinite.png 00DF 18 - Infinite Lives
Icon-Strength.png 00D2 AA - Full Power
Icon-Powerup.png 00DA FF - All Ship Types
Icon-Speed.png 00D1 00 - No Delay Between Ship Changes
See the guide on Easy Cheats to find out how to use these.

North America

Alpha Mission.png

Memory Addresses

00B0 - Ship Type        (Note:
	00 - Normal
	01 - Octo
	02 - Sheeld
	03 - Canon
	04 - Homing
	05 - Paralyser
	06 - Nuclear
	07 - Fire
	08 - Thunder
00C4 - Scrolling Speed Change Timeout (00-FF)
00D1 - Ship Change Delay Countdown (00-FF)
00D2 - Powerup Bit Flag
	+01 - Level 1 Missile
	+02 - Level 2 Missile
	+03 - Buggey Homing Bomb
	+04 - Level 1 Laser
	+08 - Level 2 Laser
	+10 - Level 1 Speed
	+20 - Level 2 Speed
	AA  - Full Power
00DA - Ship Hull Bit Flag
	+01 - Octo
	+02 - Sheeld
	+04 - Canon
	+08 - Homing
	+10 - Paralyser
	+20 - Nuclear
	+40 - Fire
	+80 - Thunder
00DB - Energy (00-18)
00DC - Score 9999xx0
00DD - Score 99xx990
00DE - Score xx99990
00DF - Lives (00-18)

00E0 - Scrolling Speed Change
	00 - Normal
	01 - Reverse
	02 - Warp
	04 - Stopped
00E1 - Controller 1 Poll
00E3 - Controller 1 Poll Down
00E4 - Controller 1 Poll

0200-02FF - Sprite Memory
0300-03FF - Sprite Memory


Text

Just your typical text table.

2E=.
30=0
31=1
32=2
33=3
34=4
35=5
36=6
37=7
38=8
39=9
3C=©
41=A
42=B
43=C
44=D
45=E
46=F
47=G
48=H
49=I
4A=J
4B=K
4C=L
4D=M
4E=N
4F=O
50=P
51=Q
52=R
53=S
54=T
55=U
56=V
57=W
58=X
59=Y
5A=Z