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Difference between revisions of "Change spike behaviour in Sonic 2"

From Sonic Retro

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Hello shadow05 here I'm starting a series on how to port certain beta elements of sonic 2 into the final version
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To change the [[Spike damage behavior|spike behaviour]] to that of ''[[Sonic the Hedgehog (16-bit)|Sonic the Hedgehog]]'', delete the following lines:
  
Here's the part 1
 
 
[http://info.sonicretro.org/How_To_Add_Beta_Spindash_To_Sonic_2_Final Part 1 The spindash]
 
 
Today I'm going to show how to port the [http://info.sonicretro.org/Spike_damage_behavior Spike behviour]
 
this guide is based off the sonic 1 guide
 
and like part 1 this will be short
 
 
So all you have to do is delete these two lines
 
 
<syntaxhighlight lang="asm">
 
<syntaxhighlight lang="asm">
 
tst.w invulnerable_time(a1) ; is character invulnerable?
 
tst.w invulnerable_time(a1) ; is character invulnerable?
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</syntaxhighlight>
 
</syntaxhighlight>
  
Yep that's it
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Guide by [[User:Shadow05]].
 
 
{{S1Howtos}}
 
 
{{S2Howtos}}
 
{{S2Howtos}}
[[Category:SCHG How-tos|Change spike behaviour sonic 2)]]
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[[Category:SCHG How-tos]]

Revision as of 16:34, 9 September 2017

To change the spike behaviour to that of Sonic the Hedgehog, delete the following lines:

	tst.w	invulnerable_time(a1)	; is character invulnerable?
	bne.s	+	; rts		; if yes, branch

Guide by User:Shadow05.

SCHG How-To Guide: Sonic the Hedgehog 2 (16-bit)
Fixing Bugs
Fix Demo Playback | Fix a Race Condition with Pattern Load Cues | Fix Super Sonic Bugs | Use Correct Height When Roll Jumping | Fix Jump Height Bug When Exiting Water | Fix Screen Boundary Spin Dash Bug | Correct Drowning Bugs | Fix Camera Y Position for Tails | Fix Tails Subanimation Error | Fix Tails' Respawn Speeds | Fix Accidental Deletion of Scattered Rings | Fix Ring Timers | Fix Rexon Crash | Fix Monitor Collision Bug | Fix EHZ Deformation Bug | Correct CPZ Boss Attack Behavior | Fix Bug in ARZ Boss Arrow's Platform Behavior | Fix ARZ Boss Walking on Air Glitch | Fix ARZ Boss Sprite Behavior | Fix Multiple CNZ Boss Bugs | Fix HTZ Background Scrolling Mountains | Fix OOZ Launcher Speed Up Glitch | Fix DEZ Giant Mech Collision Glitch | Fix Boss Deconstruction Behavior | Fix Speed Bugs | Fix 14 Continues Cheat | Fix Debug Mode Crash | Fix 99+ Lives | Fix Sonic 2's Sega Screen
Design Choices
Remove the Air Speed Cap | Disable Floor Collision While Dying | Modify Super Sonic Transformation Methods & Behavior | Enable/Disable Tails in Certain Levels | Collide with Water After Being Hurt | Retain Rings When Returning at a Star Post | Improve the Fade In\Fade Out Progression Routines | Fix Scattered Rings' Underwater Physics | Insert LZ Water Ripple Effect | Restore Lost CPZ Boss Feature | Prevent SCZ Tornado Spin Dash Death | Improve ObjectMove Subroutines | Port S3K Rings Manager | Port S3K Object Manager | Port S3K Priority Manager | Edit Level Order with ASM‎ | Alter Ring Requirements in Special Stages | Make Special Stage Characters Use Normal DPLCs | Speed Up Ring Loss Process | Change spike behaviour in Sonic 2
Adding Features
Create Insta-kill and High Jump Monitors | Create Clone and Special Stage Monitors | Port Knuckles
Sound Features
Expand Music Index to Start at $00 | Port Sonic 1 Sound Driver | Port Sonic 2 Clone Driver | Port Sonic 3 Sound Driver | Port Flamewing's Sonic 3 & Knuckles Sound Driver | Expand the Music Index to Start at $00 (Sonic 2 Clone Driver Version) | Play Different Songs Per Act
Extending the Game
Extend the Level Index Past $10 | Extend the Level Select | Extend Water Tables | Add Extra Characters | Free Up 2 Universal SSTs