Mega Man IV

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Mega Man IV is the fourth game in the Mega Man series. It is a platform action game that takes place in the future. You play Rock, a house robot turned into a fighting machine to save the world, this time from a new villain named Dr. Cossack and his evil robots. Each enemy boss has his own stage that must be infiltrated. When you defeat a boss robot, you take their powers to use on the remaining robots.

Easy Cheats

Icon Addr Val Cmp Description
Icon-Lives-Infinite.png 00A1 09 - Infinite Lives
Icon-HitPoints-Infinite.png 00B0 9C - Infinite Hit Points
Icon-Invincible.png 0039 01 - Invulnerable
Icon-Powerup.png 00A2 09 - Infinite Energy Tanks
Icon-Ammo-Infinite.png 00B8 9C - Infinite Ring Boomerang
Icon-Ammo-Infinite.png 00B7 9C - Infinite Dive Missile
Icon-Ammo-Infinite.png 00BD 9C - Infinite Skull Barrier
Icon-Ammo-Infinite.png 00BB 9C - Infinite Pharaoh Shot
Icon-Ammo-Infinite.png 00BC 9C - Infinite Flash Stopper
Icon-Ammo-Infinite.png 00B4 9C - Infinite Rain Flush
Icon-Ammo-Infinite.png 00B9 9C - Infinite Drill Bomb
Icon-Ammo-Infinite.png 00BA 9C - Infinite Dust Crusher
Icon-Ammo-Infinite.png 00B1 9C - Infinite Rush Coil
Icon-Ammo-Infinite.png 00B3 9C - Infinite Rush Marine
Icon-Ammo-Infinite.png 00B2 9C - Infinite Rush Jet
Icon-Ammo-Infinite.png 00B5 9C - Infinite Wire Adaptor
Icon-Ammo-Infinite.png 00B6 9C - Infinite Balloon Adaptor
How do I use these?

North America

Mega Man IV.png

Memory Addresses

003C - Invulnerable Timeout (00-3C)

00A1 - Lives (For some reason, lives and energy tanks use both 00A1 and 00A2, swapping digits for each value)
00A2 - Energy Tanks

00B0 - Hit Points (00-9C)
00B1 - Rush Coil (00-9C)
00B2 - Rush Jet (00-9C)
00B3 - Rush Marine (00-9C)
00B4 - Rain Flush (00-9C)
00B5 - Wire Adaptor (00-9C)
00B6 - Wire Adaptor (00-9C)
00B7 - Dive Missile (00-9C)
00B8 - Ring Boomerang (00-9C)
00B9 - Drill Bomb (00-9C)
00BA - Dust Crusher (00-9C)
00BB - Pharaoh Shot (00-9C)
00BC - Flash Stopper (00-9C)
00BD - Skull Barrier (00-9C)

Text

Intro / Ending

00= 
01=1
02=2
03=3
04=4
05=5
06=6
07=7
08=8
09=9
0A=A
0B=B
0C=C
0D=D
0E=E
0F=F
10=G
11=H
12=I
13=J
14=K
15=L
16=M
17=N
18=O
19=P
1A=Q
1B=R
1C=S
1D=T
1E=U
1F=V
20=W
21=X
22=Y
23=Z
24=.
25=-
26==
27=?
28=!

Ready

90=R
91=E
92=A
93=D
94=Y
95= 

Stage Select

80=A
81=B
82=C
83=D
84=E
85=F
86=G
87=H
88=I
89=J
8A=K
8B=L
8C=M
8D=N
8E=O
8F=P
90=Q
91=R
92=S
93=T
94=U
95=V
96=W
97=X
98=Y
99=Z
9A= 
F0=0
F1=1
F2=2
F3=3
F4=4
F5=5
F6=6
F7=7
F8=8
F9=9

Japan

Rockman 4 - Aratanaru Yabou!!.png

In Japan the game is called ロックマン 4 新たなる野望!! (Rockman 4, A New Ambitian!!).

Europe

Mega Man IV (E).png