Bad Dudes (NES) - RAM
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USA
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USA |
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Memory Addresses
0100 - Hi Score: x65536 0101 - Hi Score: x256 0102 - Hi Score: x1 010A - Starting Lives/Continues 0204 - Time (00-63) Note: Going above 63 crashes the game. 0205 - P1 Score: x65536 0206 - P1 Score: x256 0207 - P1 Score: x1 0208 - P2 Score: x65536 0209 - P2 Score: x256 020A - P2 Score: x1 0221 - Controller 1 Poll 0223 - Controller 1 Poll 0227 - Power Punch Charging (00-2B) At 2B you're fully charged 023F - Blade / Striker Flag (1 player is 0/1, 2 player is 8D-8C) 02A2 - Weapon 00 - Fists 01 - Nunchucks 02 - Knife 03 - Bug: Hold knife, but attack with nunchucks 04+ - Bug: Same as 3, but you always duck when you attack 02A3 - Player Direction (00-Right, 80-Left) 02A4 - Player Y Position x1 02A5 - Player Y Position x256 (Not Used) 02A6 - Player X Position x1 02A7 - Player X Position x256 02A8 - Player Jump Counter 02A9 - Player State 00 - Idle 01 - Walking 02 - Punching Done (Fore Arm) 05 - Picking Up Item Done 0B - Back Kicking Done 0C - Looking Up 0A - Kicking Done 11 - Landing 12 - Landing From Jump Kick 13 - Landing From Spin Kicking 13 - Landing From Jumping Up 18 - Landing From Jumping Down 19 - Charged 1A - Walking While Charged 1E - Standing 20 - Ducking 24 - Punching Done (Back Arm) 82 - Punching (Fore Arm) 84 - Attacking 8A - Kicking 8B - Back Kicking 8D - Punching Up 90 - Picking Up Item 91 - Jumping 92 - Jump Kicking 93 - Spin Kicking 94 - Jumping Up 95 - Injured 98 - Jumping Down 9B - Charged Punching A4 - Punching (Back Arm) 02AB - Hit Points (00-0B) 02AC - Player In Air Flag (00-No, 01-Yes) 02B8 - Player Sprite Frame Flipping (03-Right, 43-Left) 02B9 - Player Sprite Frame 02BA - Controller 1 Poll (Only during stages) 02BE - Current Lives (this value overwrites lives when a player dies) 02BF - Continues 02EA - P1 Lives 0316 - P2 Lives Object Struct 0326 - Sprite mirroring? 0327 - Attack type? 0328 - Y Pos x1 0329 - Y Pos x256 (Not used) 032A - X Pos x1 032B - X Pos x256 032C - Enemy Action (See Table) 032D - Animation Frame 032E - Unknown (Read Only) 032F - Hit Points (Usually bosses) 0330 - Unused? 0331 - Frame offset ? 0332 - Frame offset ? 0333 - ? Affects direction 0334 - ? 0335 - Y position to jump to? 0336 - ? 0337 - Unused? 0338 - Counter used in jumping 0339 - Flag for floor level (00 - Ground, 01 - Top) 033A - Unused? 033B-034F - Object 2 0350-0364 - Object 3 0365-0379 - Object 4 037A-038E - Object 5 038F-03A3 - Object 6 03A4-03B8 - Object 7 03B9-03CD - Object 8 03CE-03E2 - Object 9 Every object, except for the player, counts 0700-07FF - PPU memory
Enemy Actions
The various actions that enemies and objects perform.
01 - Blue Walking 03 - Blue Ninja Jumping 05 - Blue Injured 07 - Gray Ninja Walking 09 - Gray Ninja Jumping 0D - Red Ninja Jumping 0F - Red Ninja Injured 11 - Blue Idle 15 - Red Ninja Standing 17 - Green Ninja Walking 18 - 19 - Crash 1A - 1B - 1C - 1D - Green Ninja Injured 1E - 1F - Coca-Cola 21 - Knife 23 - Nunchucks 25 - Gray Begin Throw High 27 - Gray Throw Caltrop 29 - Cave Stalactite 2B - Cave Stalactite Breaking 2D - Clock 2F - Blue Ninja Punching 31 - Blue Injured 32 - Gray Ninja Throw Low 33 - Gray Ninja Begin Throw Low 34 - Duck Injured 35 - Red Ninja Walking 36 - Red Ninja Punching 37 - Green Swordsman Walking 39 - Green Swordsman Jumping 3A - Green Swordsman Injured 3B - Green Swordsman Attack High 3C - Green Swordsman Begin Attack High 3D - Swordsman Walking 3F - Gray Swordsman Jumping 40 - Swordsman Injured 41 - Gray Swordsman Attacking Low 42 - Gray Swordsman Injured Low 44 - Girl Walking 45 - Girl Jumping 46 - Girl Injured 47 - Girl Flipping 48 - Red Girl Attacking 49 - Blue Girl Kicking 4A - Karvov Walking 4B - Karnov Punching 4C - Karnov Kicking 4D - Karnov Jumping 4E - Karnov Breathing Fire 4F - Karnov Injured 50 - Karnov Breathing Fire While Ducking 52 - Karnov Flipping 53 - Karnov Dying 54 - Dwarf Boss Walking 55 - Dwarf Boss Blocking 56 - Dwarf Boss Jumping 57 - Dwarf Boss Jumping 58 - Dwarf Boss Attacking 59 - Dwarf Boss Injured 5A - Dwarf Boss Dead 5B - Giant Boss Walking 5C - Giant Boss Punching 5E - Giant Boss Arm Drop 5F - Giant Boss Jumping 60 - Giant Boss Spinning 62 - Giant Boss Injured / Dead 63 - Chain Boss Standing 64 - Chain Boss Walking 68 - Chain Boss Punching 69 - Chain Boss Attacking High 6A - Chain Boss Attacking Low 6C - Chain Boss Jumping 6E - Chain Boss Injured / Dead 6F - Bo Boss Walking 70 - Bo Boss Kicking 73 - Bo Boss Spinning 74 - Bo Boss Injured 75 - Bo Boss Dead 76 - Dragon Boss Standing / Walking 77 - Dragon Boss Attacking 7D - Green Karnov Walking 7E - Green Karnov Punching 7F - Green Karnov Kicking 80 - Green Karnov Jumping 81 - Green Karnov Breathing 82 - Green Karnov Injured 83 - Green Karnov Breathing While Ducking 84 - Green Karnov Flipping 85 - Green Karnov Breathing 86 - Green Karnov Dead 87 - Red Giant Boss Walking 88 - Red Giant Boss Punch 8A - Red Giant Boss Arm Drop 8B - Red Giant Boss Jumping 8C - Red Giant Boss Spinning 8E - Red Giant Boss Injured / Dead 8F - Green Ninja Duck Punch 93 - Green Ninja Punching 95 - Girl Standing 96 - Giant Boss Kicking 97 - Red Giant Boss Kicking 98 - Bo Boss Dropping 99 - Blue Ninja Kick 9A - Blue Jump Kick 9C - Gray Ninja Begin Throw High 9B - Gray Ninja Throw High 9D - Red Ninja Walking 9E - Red Ninja w/Nunchucks Attacking 9F - Red Ninja w/Knife Walking A0 - Red Ninja w/Knife Attacking A1 - Red Ninja w/Nunchucks Standing A2 - Red Ninja w/Knife Standing A3 - Flame Man Running A4 - Flame Man Standing A5 - Flame Man Injured A6 - Dwarf Ninja Walking A8 - Dwarf Ninja Flipping A9 - Dwarf Ninja Injured AA - Dwarf Ninja Attacking AB - Dwarf Ninja Idle AC - Gray Dwarf Walking AD - Gray Dwarf Preparing to Jump Up AE - Gray Dwarf Flipping AF - Gray Dwarf Injured B0 - Gray Dwarf Jump Attack B1 - Gray Dwarf Standing B2 - Dog Running B3 - Dog Looking B4 - Dog Attacking B5 - Dog Injured B6 - Elevator Opening B7 - Elevator Closing B9 - Green Ninja Jumpkick BA - Green Ninja Flipping BB - Green Ninja Multiplying BE - Blue Ninja On Pole C1 - Karnov Fire C2 - Green Ninja Standing C3 - Green Ninja Jumping C6 - Crash
Code
Starting Lives/Continues
This is an excerpt from the game's start up routine where the initial lives and continues are set.
A2FE:A9 03 LDA #$03 ; Load $#03 into A. A300:8D 0A 01 STA $010A ; Store A into the Starting Lives/Continues memory space.
Initial Player Info
This routine is called at the beginning of the first level.
C87F:AD 0A 01 LDA $010A ; Load Starting Lives/Continues into A. C882:8D BE 02 STA $02BE ; Store A into Current Player Lives. C885:8D BF 02 STA $02BF ; Store A into Continues. C888:A9 0A LDA #$0A ; Load $#0A into A. C88A:8D AB 02 STA $02AB ; Store A into Hit Points. C88D:20 FB C5 JSR $C5FB C890:20 09 C6 JSR $C609 C893:60 RTS
Next Player
This routine is called after a player dies, and the player needs to be reset.
C5CF:A9 0A LDA #$0A ; Load $#0A into A. C5D1:8D AB 02 STA $02AB ; Store A into Hit Points. C5D4:A9 00 LDA #$00 ; Clear A. C5D6:8D A2 02 STA $02A2 ; Clear the Weapon. C5D9:8D A3 02 STA $02A3 ; Set Player Direction to right. C5DC:8D AC 02 STA $02AC ; Set Player's In Air to ground. C5DF:20 8F D6 JSR $D68F C5E2:A9 01 LDA #$01 C5E4:60 RTS
Grabbing Coke
When you grab a coke, you are given 5 extra hit points, but you can't go higher than 10.
87D4:A9 05 LDA #$05 ; Load A with #$05 (Hit Points to Gain) 87D6:18 CLC ; Clear Carry Flag 87D7:6D AB 02 ADC $02AB ; Add A to Hit Points 87DA:C9 0A CMP #$0A ; If Hit Points <= #$0A Then 87DC:90 02 BCC $87E0 ; Goto $87E0 87DE:A9 0A LDA #$0A ; Load A with #$0A 87E0:8D AB 02 STA $02AB ; Store A into Hit Points.
Load Enemy HP
89A8:B9 83 90 LDA $9083,Y ; Load from Enemy HP Table, offset Y. 89AB:9D 2F 03 STA $032F,X ; Store HP into current enemy.
Enemy HP Table
This table contains the hit points of all of the enemy ninjas and bosses.
9083 - - ? 909A - 02 - Gray Ninja - Caltrops 909C - 02 - Gray Ninja - High Star 909E - 02 - Gray Ninja - Low Star
Japan
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Japan |
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Japan (Rev A)
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Japan (Rev A) |
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_-_NES_-_Japan.png)
Memory Addresses
0204 - Time 0205 - P1 Score x65536 0206 - P1 Score x256 0207 - P1 Score x1 0292 - Weapon 00 - Fists 01 - Nunchucks 02 - Knife 03 - Hold knife, but attack with nunchucks 04+ - Same as 3, but you always duck when you attack 029B - Hit Points 02AE - Lives P1 031F - Enemy 1 Hit Points (Usually bosses) 0334 - Enemy 2 Hit Points 0349 - Enemy 3 Hit Points 035E - Enemy 4 Hit Points 0373 - Enemy 5 Hit Points
Europe
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Europe |
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Memory Addresses
0204 - Time 0205 - P1 Score x65536 0206 - P1 Score x256 0207 - P1 Score x1 02A2 - Weapon 00 - Fists 01 - Nunchucks 02 - Knife 03 - Hold knife, but attack with nunchucks 04+ - Same as 3, but you always duck when you attack 02AB - Hit Points 02BE - P1 Lives 0328 - Elevator Y 032F - Enemy 1 Hit Points (Usually bosses) 0344 - Enemy 2 Hit Points 0359 - Enemy 3 Hit Points 036E - Enemy 4 Hit Points 0383 - Enemy 5 Hit Points