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return_of_samus:hex_changes [2020/03/11 21:47] – Even more tweaks :) kkzeroreturn_of_samus:hex_changes [2022/09/19 04:32] – Metroid count decrement tweaks rt-55j
Line 7: Line 7:
 Tweaks for the mechanics of Samus. Tweaks for the mechanics of Samus.
  
 +<color #FFA500>0x96C - 40 to 58</color>\\
 +<color #FFA500>0x980 - 3F to 57</color>\\
 +<color #FFA500>0x9F3 - 70 to 58</color>\\
 +<color #FFA500>0xA07 - 71 to 59</color>\\
 +Centers Samus' horizontal position during movement where the screen scrolls horizontally.
 +
 +<color #FFA500>0x11C3 - $32 to $98</color>\\
 +<color #FFA500>0x11C4 - $11 to $1C</color>\\
 +Spider Throw works both ways
 +
 +<color #FFA500>0x1899-0x18E6 - Fill with non-zero values</color> (doesn't matter what)\\
 +Space jump timing is free.
 +
 +<color #FFA500>0x573D: C0 to C9</color>\\
 +Respawning blocks don't hurt Samus, and they don't destroy themselves after spawning on her.
 +
 +<color #FFA500>0x57D7: 02 to ??</color>\\
 +Adjusts damage that respawning blocks do to Samus.
 +
 +==== Speeds ====
 <color #FFA500>0x1C2A - 01 to 02</color>\\ <color #FFA500>0x1C2A - 01 to 02</color>\\
 <color #FFA500>0x1C6D - 01 to 02</color>\\ <color #FFA500>0x1C6D - 01 to 02</color>\\
Line 29: Line 49:
 Changes the amount of time it takes for a bomb to explode. Change this to 30 for Super Metroid's bomb explode time, or 20 for Zero Mission's. Changes the amount of time it takes for a bomb to explode. Change this to 30 for Super Metroid's bomb explode time, or 20 for Zero Mission's.
  
 +==== Ice Beam ====
 +
 +<color #FFA500>0x966B: 34 -> 00</color>\\
 +Make enemies stay frozen for twice as long.
 +
 +<color #FFA500>0x9669: C4 -> aa\\
 +0x966E: D0 -> bb</color>\\
 +The value of "aa" adjusts the number of frames before an enemy starts blinking.\\
 +The value of "bb" adjusts the number of frames before an enemy unfreezes.\\
 +Note that "aa" should be smaller than "bb", or else the enemy will not blink prior to unfreezing.\\
 +(Unconfirmed: These values might need to be even or else the enemy will not unfreeze (unless the previous tweak is used))
 +==== Wave Beam ====
 +<color #FFA500>0x50D5: 83 to 94</color>\\
 +Makes the Wave Beam use an alternate movement table (looks like a discount Spazer when motion blur is on).
 +
 +<color #FFA500>0x50DD - 7E to AF</color>\\
 +Wave Beam doesn't wave anymore :(
 +
 +==== Spazer ====
 +<color #FFA500>0x509E: D0 to 00</color>\\
 +<color #FFA500>0x50BB: D0 to 00</color>\\
 +Spazer splits indefinitely, effectively turning it into a spread gun
 +
 +<color #FFA500>0x50AC: 02 to ??</color>\\
 +<color #FFA500>0x50B3: 02 to ??</color>\\
 +<color #FFA500>0x50C9: 02 to ??</color>\\
 +<color #FFA500>0x50D0: 02 to ??</color>\\
 +Adjusts the speed that the Spazer splits apart.
 +
 +<color #FFA500>0x509D: 05 to ??</color>\\
 +<color #FFA500>0x50BA: 05 to ??</color>\\
 +Adjusts the length of time that the Spazer splits apart (more time makes it wider).
 +
 +===== Enemies & Bosses =====
 +
 +<color #FFA500>0x9F80: 0A -> ??</color>\\
 +Adjusts the number of pipe bugs that can come out of a pipe bug spawner.
 +
 +<color #FFA500>0x9F81: 38 -> 18</color>\\
 +Makes it so pipe bug spawners can spawn an infinite amount of pipe bugs.
 +
 +<color #FFA500>0x9CEA: 85 -> 0C\\
 +0x9CFF: C2 -> 49</color>\\
 +Makes the Gullugg enemy go counter-clockwise instead of clockwise, by changing which velocity tables they use.
 +
 +<color #FFA500>0xAE85: 06 -> ??</color>\\
 +Adjust duration in frames of the Metroids' knockback from the Screw Attack. (Applies to all metroids besides the queen.)
 +
 +==== Alpha Metroid ====
 +<color #FFA500>0xACD7: 0E -> xx\\
 +0xACDB: 14 -> yy</color>\\
 +Adjust lunge and wait periods of the Alpha Metroid. "xx" is the length of a lunge in frames, and "yy-xx" equals the waiting period after a lunge. Set xx=yy to make the Alpha Metroid never stop lunging.
 +
 +<color #FFA500>0xAD85: 01 -> xx\\
 +0xAD8D: 01 -> xx</color>\\
 +Adjusts the amount the Metroid counter decreases when killed.
 +
 +==== Gamma Metroid ====
 +<color #FFA500>0xB129: 01 -> xx\\
 +0xB131: 01 -> xx</color>\\
 +Adjusts the amount the Metroid counter decreases when killed.
 +
 +==== Zeta Metroid ====
 +<color #FFA500>0xB378: 02 -> 01</color>\\
 +Make the Zeta Metroid chase Samus less aggressively.
 +
 +<color #FFA500>0xB504: 20 -> ??\\
 +0xB61F: 20 -> 38</color>\\
 +Adjust the wait interval after firing a fireball. (The second byte is an ASM tweak to prevent a graphical glitch that can occur when the other value is too high.)
 +
 +<color #FFA500>0xB476: 01 -> xx\\
 +0xB47E: 01 -> xx</color>\\
 +Adjusts the amount the Metroid counter decreases when killed.
 +
 +==== Omega Metroid ====
 +
 +<color #FFA500>0xB758: 60 38 -> ??</color>\\
 +Adjust the wait interval after making a swoop.
 +
 +<color #FFA500>0xB7D1: 02 -> 01</color>\\
 +Make the Omega Metroid chase Samus less aggressively.
 +
 +<color #FFA500>0xB9D5: 0C -> ??\\
 +0xB9D9: 14 -> ??\\
 +0xB9DD: 28 -> ??\\
 +0xB9E1: 40 -> ??\\
 +0xB9E5: 60 -> ??</color>\\
 +Adjust the duration in frames of the Omega Metroid's chasing periods.
 +
 +<color #FFA500>0x0B70B: 01 -> xx\\
 +0x0B713: 01 -> xx</color>\\
 +Adjusts the amount the Metroid counter decreases when killed.
 +
 +==== Standard Metroids ====
 +
 +<color #FFA500>0xBB2F: 01 -> xx\\
 +0xBB37: 01 -> xx</color>\\
 +Adjusts the amount the Metroid counter decreases when killed.
 +
 +==== Metroid Queen ====
 +
 +<color #FFA500>0xEDDA: 96 to ??</color>\\
 +Adjust the Metroid Queen's initial health.
 +
 +<color #FFA500>0x2C83: C8 to 00</color>\\
 +Pausing now works during the Metroid Queen fight.\\
 +NOTE: This tweak creates two minor graphical issues:
 +  - Certain animations will continue playing while paused (e.g. the feet stomping)
 +  - The flashing palette effect will not apply to the portion of the screen below the queen.
 +Other than that, it appears to be perfectly usable.
 ===== Drops & Items ===== ===== Drops & Items =====
  
 Tweaks for anything collectable--items, expansions, drops. Tweaks for anything collectable--items, expansions, drops.
  
-<color #FFA500>0x374D - 01 to 05</color>\\ +<color #FFA500>0x375D: 0D -> 0C</color>\\ 
-<color #FFA500>0x3752 - 01 to 00</color>\\ +Make E-Tanks play the shorter item jingle, like missile tanks. 
-Makes items and E-Tanks play the shorter, quicker acquisition jingle, just like Missile Tanks.+ 
 +<color #FFA500>0x375D: 0D -> 00</color>\\ 
 +Make all items play the shorter item jingle, like e-tanks. 
 + 
 +<color #FFA500>0x375D: 0D -> 00\\ 
 +0x3A1C: 0B -> 00\\ 
 +0x3A36: 0E -> 00\\ 
 +0x5821: 0B -> 00</color>\\ 
 +Collect all items near instantly, like energy/missile refills.
  
 <color #FFA500>0x8267 - 20 to ??</color>\\ <color #FFA500>0x8267 - 20 to ??</color>\\
Line 55: Line 193:
 <color #FFA500>0x2CB6 - 28 to 20</color>\\ <color #FFA500>0x2CB6 - 28 to 20</color>\\
 <color #FFA500>0x2D02 - 20 to 28</color>\\ <color #FFA500>0x2D02 - 20 to 28</color>\\
-Enables debug menu on pause.+Enables debug menu on pause.\\ 
 +**Note:** This reverses how RAM address D0A0 reads flags 00 and 01. 
 + 
 +<color #FFA500>0x2CE4 - 01 to 02</color>\\ 
 +Music keeps playing on pause.
  
 <color #FFA500>0x58C5 - CB 37 3C to 3E 00 00</color>\\ <color #FFA500>0x58C5 - CB 37 3C to 3E 00 00</color>\\
Line 66: Line 208:
 Changes the amount of missiles it takes to open a hatch. Changes the amount of missiles it takes to open a hatch.
  
 +<color #FFA500>0x140EC: 01 -> 0B</color>\\
 +Immediately start a New Game on boot
 +
 +<color #FFA500>0x0D12: 40 -> 00\\
 +0x0D17: 01 -> 00\\
 +0x0D1C: 12 -> 00</color>\\
 +Skip the Samus appearance fanfare
 +
 +<color #FFA500>0xAB93: 08 -> 00</color>\\
 +Adjusts the amount the Metroid count is incremented when the musical stinger at the end is activated.
return_of_samus/hex_changes.txt · Last modified: 2022/10/23 00:55 by rt-55j

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