S1 Custom Abilities.Need Guidance.HELP!

im trying to write my own Custom Attack. Even though it was stated " it's friggin cliche though.. x.x " By a friend a mines. Im trying to port Super Peel out.


So im trying to make my own code so i can get used to the Asm code. And For starters dont ask me to Read 11 pages of code reading not working to much im the hands on type.


this is my code so far : I want it to use the running animation so i can change it to the Peel out animation im drawing out. This is also gona all be covered in my Next tutorial I got the Ok from Shobiz to use his Button Press Data. So in Savior for these projects i would appreciate some help.. Thanks in advance to who ever reply.


Sonic_Speeddash:


tst.b $39(a0) ; already spindashing?


bne.s loc4_1AC8E ; if set, branch


cmpi.b #7,$1C(a0) ; is anim duck


bne.s locret4_1AC8C ; if not, return


move.b ($FFFFF603).w,d0 ; read controller


andi.b #$70,d0 ; pressing A/B/C ?


beq.w locret4_1AC8C ; if not, return


move.b #$1F,$1C(a0) ; set spindash anim (9 in s2)


move.w #$D1,d0 ; spin sound ($E0 in s2)


jsr (PlaySound_Special).l ; play spin sound


addq.l #4,sp ; increment stack ptr


move.b #1,$39(a0) ; set spindash flag


move.w #0,$3A(a0) ; set charge count to 0


cmpi.b #$C,$28(a0) ; ??? oxygen remaining?


move.b #2,($FFFFD1DC).w ; Set the spindash dust animation to $2


loc4_1AC84:


bsr.w Sonic_LevelBound


bsr.w Sonic_AnglePos


locret4_1AC8C:


rts


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loc4_1AC8E:


move.b #$1F,$1C(a0)


move.b ($FFFFF602).w,d0 ; read controller


btst #1,d0 ; check down button


bne.w loc4_1AD30 ; if set, branch


move.b #$E,$16(a0) ; $16(a0) is height/2


move.b #7,$17(a0) ; $17(a0) is width/2


move.b #2,$1C(a0) ; set animation to roll


addq.w #5,$C(a0) ; $C(a0) is Y coordinate


move.b #0,$39(a0) ; clear spindash flag


moveq #0,d0


move.b $3A(a0),d0 ; copy charge count


add.w d0,d0 ; double it


move.w spdsh_norm2(pc,d0.w),$14(a0) ; get normal speed


tst.b ($FFFFFE19).w ; is sonic super?


beq.s loc4_1ACD0 ; if no, branch


move.w spdsh_super2(pc,d0.w),$14(a0) ; get super speed


loc4_1ACD0: ; TODO: figure this out


move.w $14(a0),d0 ; get inertia


subi.w #$800,d0 ; subtract $800


add.w d0,d0 ; double it


andi.w #$1F00,d0 ; mask it against $1F00


neg.w d0 ; negate it


addi.w #$2000,d0 ; add $2000


move.w d0,($FFFFC904).w ; move to $EED0


btst #0,$22(a0) ; is sonic facing right?


beq.s loc4_1ACF4 ; if not, branch


neg.w $14(a0) ; negate inertia


loc4_1ACF4:


bset #2,$22(a0) ; set unused (in s1) flag


move.b #0,($FFFFD1DC).w ; clear spindash dust animation


move.w #$BC,d0 ; spin release sound


jsr (PlaySound_Special).l ; play it!


bra.s loc4_1AD78


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