Sonic 2, Super Sonic rotatting palette

For my hack I need a rotatting palette for player 2's super form but there where a few diferences between Sonic 2 and Sonic 3-K, based on Shobiz's help and his labeling of S3K's I decided to label Sonic's


; Subroutine to handle Super forms cycling palettes


; ---------------------------------------------------------------------------


; ¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦ S U B R O U T I N E ¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦


; sub_213E:


PalCycle_SuperSonic:


move.b (SuperPal_flag).w,d0


beq.s return_2186


bmi.w PalCycle_SuperSonic_Normal


subq.b #1,d0


bne.s PalCycle_Super_Revert


; transformation palette


subq.b #1,(SuperPal_frame_count).w


bpl.s return_2186


move.b #3,(SuperPal_frame_count).w


lea (Pal_2246).l,a0


move.w (SuperPal_colour_index).w,d0


addq.w #8,(SuperPal_colour_index).w


cmpi.w #$30,(SuperPal_colour_index).w


bcs.s loc_217A


move.b #-1,(SuperPal_flag).w


move.b #0,(MainCharacter+obj_control).w


loc_217A:


lea (Normal_palette+4).w,a1


move.l (a0,d0.w),(a1)+


move.w 4(a0,d0.w),(a1)


return_2186:


rts


; ===========================================================================


loc_2188


PalCycle_Super_Revert:


subq.b #1,(SuperPal_frame_count).w


bpl.s return_2186


move.b #3,(SuperPal_frame_count).w


lea (Pal_2246).l,a0


move.w (SuperPal_colour_index).w,d0


subq.w #8,(SuperPal_colour_index).w


bcc.s PalCycle_Super_Revert_Underwater


move.b #0,(SuperPal_colour_index).w


move.b #0,(SuperPal_flag).w


loc_21B0


PalCycle_Super_Revert_Underwater:


lea (Normal_palette+4).w,a1


move.l (a0,d0.w),(a1)+


move.w 4(a0,d0.w),(a1)


lea (Pal_22C6).l,a0 ; Super Sonic in Chemicals in CPZ PAL


cmpi.b #$D,(Current_Zone).w ; are we in CPZ?


beq.s loc_21D8 ; if yes branch


cmpi.b #$F,(Current_Zone).w ; are we in ARZ?


bne.s return_2186 ; if yes branch


lea (Pal_2346).l,a0 ; Super Sonic underwater in ARZ PAL


loc_21D8:


lea (Underwater_palette+4).w,a1


move.l (a0,d0.w),(a1)+


move.w 4(a0,d0.w),(a1)


rts


; ===========================================================================


loc_21E6


PalCycle_SuperSonic_Normal:


subq.b #1,(SuperPal_frame_count).w


bpl.s return_2186


move.b #6,(SuperPal_frame_count).w


lea (Pal_2246).l,a0


move.w (SuperPal_colour_index).w,d0


addq.w #6,(SuperPal_colour_index).w


cmpi.w #$36,(SuperPal_colour_index).w


bcs.s PalCycle_Super_SetColours


move.w #$24,(SuperPal_colour_index).w


loc_220E


PalCycle_Super_SetColours:


lea (Normal_palette+4).w,a1


move.l (a0,d0.w),(a1)+


move.w 4(a0,d0.w),(a1)


lea (Pal_22C6).l,a0 ; Super Sonic in Chemicals in CPZ PAL


cmpi.b #$D,(Current_Zone).w ; are we in CPZ?


beq.s loc_2238 ; if yes branch


cmpi.b #$F,(Current_Zone).w ; are we in ARZ?


bne.w return_2186 ; if yes branch


lea (Pal_2346).l,a0 ; Super Sonic underwater in ARZ PAL


loc_2238:


lea (Underwater_palette+4).w,a1


move.l (a0,d0.w),(a1)+


move.w 4(a0,d0.w),(a1)


rts


; End of function PalCycle_SuperSonic


Any errors let me know. you can also download the file.

s2palcycle.txt

 

Got a question, been trying to understand this for a while. Is the Super Palette frame count a new flag, or something already called before.

 

Everything seems fine as far as I can tell. Sorry for not replying to your PM earlier, I've been quite busy with RL stuff.

It's set in the transformation routine, and all it does is functions as a frame counter for when the next colour in the rotating palette should be loaded.

 

You have this several times in there. Should be "ARZ"

Are those seen anywhere else in the game?

 

Fixed to ARZ,


loc_269E has lea (Normal_palette+4).w,a1


which is part of PalCycle_Sega.


I can't find, lea (Underwater_palette+4).w,a1 anywhere else.