Tool-assisted game movies
When human skills are just not enough

Submission #3902: tianwodeai's NES Rockman 4 Minus Infinity in 38:52.78

Console: Nintendo Entertainment System
Game name: Rockman 4 Minus Infinity
Game version: JPN/USA
ROM filename: Rockman 4 Minus Infinity.nes
Emulator: FCEUX 2.2.0
Movie length: 38:52.78
FrameCount: 140197
Re-record count: 15203
Author's real name: 张燕哲
Author's nickname: tianwodeai
Submitter: tianwodeai
Submitted at: 2013-03-23 06:40:55
Text last edited at: 2013-03-26 21:45:54
Text last edited by: Ilari
Download: Download (27155 bytes)
Status: published
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Author's comments and explanations:

(Link to video)

GET THE CORRECT ROM FROM http://borokobo.web.fc2.com/neo/rockman4/index.html

This hack of rockman 4 is different from the original rockman 4. Weapons have new attacking mode, more hiden tools hide in different enemies or places, and we can also read a more interesting story. The enemies in this hack are originated from all of rockman games, which include rockman X and rockman Z.

Game objectives

  • Emulator used: <FCEUX 2.2.0>
  • Manipulate luck
  • Takes damage to save time


Rams introduction

  • 0330:X position
  • 0378:Y position
  • 03F0:Y speed

  • 0558: rockman's action
  001: standing
  002: shooting
  004: walking
  005: shooting while walking
  007: in the sky
  008: shooting in the air
  010: climbing
  011: shooting while climbing
  013: turning around
  014: shooting while turning
  016: slidding
  017: hurt
  020: at the top of a ladder
  021: shooting at the top of a ladder
  • 7836: timing of critical damage
  1: before getting super star
  1,65,129,193: after getting super star
  • 00FC: room center's X position
  • 0348: room number

Weapons introduction

  • spark manbow: Get from brightman. You fire lightbulbs which explode. If you hold B, the lightbulb hold on megabuster. If you push B with UP,the flash attack is done.
  • toad: Get from toadman. You emit the special wave which turns the enemies. No turning enemies are damaged. The traps are also damaged. Mystery force may affect the gimmick.
  • drill torpedo: Get from drillman. You fire three drills which guided to the floor or ceiling. drills pierces everything. If you push B again, you can re-fire.
  • pharaoh shotgun:Get from pharaohman. You scatter bullets ahead. This is chargeble, and you can attack above you when charging. If you push B again, you can re-fire.
  • holdable control ring boomerang: Get from ringman. You throw the ring shaped boomerang toward 8 direction. If you hold B, rings hold in air. Rings can catch items.
  • recycle inhaler: Get from dustman. You inhale close enemies and turn it into an item. The traps are also inhaleble.Not inhalable enemies take damages. Let's inhale various things.
  • water cutter: Get from diveman. You shoot out the high-pressured water toward 8 direction. If you push B again, you can re-fire. This is effective to the fire enemies.
  • hell wheel: Get from skullman. You can charge to enemies with skull wheel. You can stop if you push B when running. You can turn with D-PAD.
  • rush search: Same to rockman 7. Rush may dig the life energy in certain situation(boss room). It costs 9!
  • rush cannon: You load Rush in megabuster and fire. When he hit the enemy or wall, grand explosion occurs. One shot from this should kill any enemy, but this may be dodged. It costs 14!
  • wish star: You send the enemies to another dimension and charge them repeatedly with rush. More and more power is performed when in a pinch. It costs 28!
  • wire: You throw wire hook and you can move to hung place. Throwing direction is controled by D-PAD. You can jump when rolling up wire.It costs 0!
  • balloon: You generate the small balloon below. You can control the balloon on. You can fire megabuster when the balloon exists. It costs 10!
  • super star: This is what was attached on shadow man's forehead. This amplifies cruelty. This increases the critical chance( 1/256 to 4/256) and the critical damages( 3 times to 5 times damages).
  • metall's helmet: This is a hard hat of a metall. For this have broken a bit when recycleing, this may be useless. This sometimes reduces damages.


  • Use the buttons A and B on the 2P to switch weapons.
  • To reach the fastest, I selected the first level of the skullman, because the weapon can make rockman run faster.
  • If a buster's bullet damages a boss, he will get a very long unbeatable time. To save more time, I would rather make critical damages than make damages as soon as possible.
  • In ringman level, I jumped up to get the best result, which means the appear of the three enemies, in 4 frames when I have been the mid-boss room, so that I could eliminate all of the enemies before they disappear.
  • At the mid-boss room in drillman level, hurting the enemy before he lands can cause a fatal damage, so I shoot at him as soon as possible to save time.
  • At the beginning of dustman level, the transfer belts make Rockman speed up or slow down, so I jump to avoid slow down when move in opposite and run to speed up when move direct.
  • When the explosion of Rush Cannon occurs, I switch a weapon to avoid extra lags.
  • Switching weapons can clean the bullets.
  • The rain in toadman level can make Rockman move faster when he is over the ground.
  • Pharaohman can use magic to influence Rockman, but the effects can be cleaned by toad.
  • After 3 stages finished, Rockman will get Rush Cannon. After 6 stages finished, Rockman will get Wish Star.
  • The whale in diveman level can not be defeated by Cannon because Rush is being used. Only busters can cause Enker damages.

Other comments

There are interesing shows in dustman, toadman, Wily 2, Wily 3, Wily 4 stage.

improvable ideas

  • More traits of hell wheel and wire can be used.
  • In the second to last stage, the helmet can decrease the damages to save the time of switching weapon.
  • Shoot at the mid-boss in drillman level later.
  • The 4 frames wasted in ringman level should be saved.
  • Better route:skullman, ringman, drillman, brightman, diveman, toadman, pharaohman, dustman
  • Less lags in skullman, drillman, diveman, toadman, C1, C3, W1, W4 (C=Cossack,W=Wily)

Mothrayas: Judging.

Mothrayas: Added YouTube module.

Mothrayas: While a few bits could be done better and the playaround sections could've used some more work, it did not stop the run from being highly regarded as entertaining, and the time attack itself doesn't have significantly major flaws. Accepting for Moons tier.

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