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Difference between revisions of "Fix the EHZ Deformation bug"

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(Created page with '{{GuideBy|qiuu}} In Sonic 2 is in EHZ a small deformation bug, the lowest two layers don't scroll as they are not affected by the deformation code: [[File:S2-EHZ-Deform-Bug…')
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Revision as of 13:13, 28 December 2009

(Original guide by qiuu)

In Sonic 2 is in EHZ a small deformation bug, the lowest two layers don't scroll as they are not affected by the deformation code:

S2-EHZ-Deform-Bug.png


To fix this, go to SwScrl_EHZ:. Scroll down until you see SwScrl_RippleData:. Above it you should have this piece of code: <asm> move.w #($B4)/12-1,d1 ; $B4 bytes - move.w d4,(a1)+ move.w d3,(a1)+ move.w d4,(a1)+ move.w d3,(a1)+ move.w d4,(a1)+ move.w d3,(a1)+ swap d3 add.l d0,d3 add.l d0,d3 add.l d0,d3 swap d3 dbf d1,-

rts</asm> Copy and paste this code twice into it: <asm> move.w d4,(a1)+ move.w d3,(a1)+</asm> In the end it should look like this: <asm> move.w #($B4)/12-1,d1 ; $B4 bytes - move.w d4,(a1)+ move.w d3,(a1)+ move.w d4,(a1)+ move.w d3,(a1)+ move.w d4,(a1)+ move.w d3,(a1)+ move.w d4,(a1)+ move.w d3,(a1)+ move.w d4,(a1)+ move.w d3,(a1)+ swap d3 add.l d0,d3 add.l d0,d3 add.l d0,d3 swap d3 dbf d1,-

rts</asm>

And that's it! Now it should look fixed:

S2-EHZ-Deform-Fixed.png