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I will say that it's certainly the kind of thing that would probably have made a bigger (and more satisfying) impact if it were left as a surprise until finished. Regardless, I'm happy to know that there's a Sonic CD disassembley in the works for public release, even if I personally have no interest in modifying the game myself.

Also...

Strife, on 30 March 2015 - 11:48 PM, said:

This, please.

I would actually load all three at the same time and have them wait for a timer that gets set right as their loaded, like this for example:

TrailFrameDuration: = ; whatever the frame duration of your animation is

Sonic_HammerSpin:
                tst.b	($FFFFFFCC).w			; was jumpdash flag set?
		beq	HS_End3			        ; if yes, branch
                move.b	($FFFFF603).w,d0		; move the current button press to d0
		btst	#1,($FFFFF602).w		; is Down button pressed?
		beq.s	HS_End3				; if not, return
		and.b	#$40,d0				; get only button A
		beq.s	HS_End3				; if A wasn't pressed, branch

HammerSpin_Cont:
		move.b	#1,($FFFFFFCC).w		; set jumpdash flag
		move.b	#$20,$1C(a0)			; show hammer animation
		move.w	#$BC,d0				; set jumpdash sound
		jsr	(PlaySound).l			; play jumpdash sound

                bsr     SingleObjLoad
                bne     HS_End2
                move.b  #$10,(a1)
                move.w  8(a0),d0
                move.w  $C(a0),$C(a1)
                subi.w  #$20,d0
                btst    #0,$22(a0)
                beq     @Set1stXPos
                neg     $10(a1)
                addi.w  #$40,d0
                
                @Set1stXPos:
                move.w  d0,8(a1)
                move.b  #1*TrailFrameDuration,$2A(a1)
                
                bsr     SingleObjLoad
                bne     HS_End2
                move.b  #$10,(a1)
                move.w  8(a0),8(a1)
                move.w  $C(a0),$C(a1)
                btst    #0,$22(a0)
                beq     @Set2ndFrameDuration
                neg     $10(a1)

                @Set2ndFrameDuration:
                move.b  #3*TrailFrameDuration,$2A(a1)
                
                bsr     SingleObjLoad
                bne     HS_End2
                move.b  #$10,(a1)
                move.w  8(a0),d0
                move.w  $C(a0),$C(a1)
                addi.w  #$20,d0
                btst    #0,$22(a0)
                beq     
                neg     $10(a1)
                subi.w  #$40,d0

                @Set3rdXPos:
                move.w  d0,8(a1)
                move.b  #5*TrailFrameDuration,$2A(a1)

HS_End2:
		clr.w	$10(a0)					; clear X-velocity to move sonic directly down
		tst.w	$12(a0)					; is Sonic moving upwards?
		bpl.s	HS_End3					; if not, branch
		clr.w	$12(a0)					; clear X-velocity to move sonic directly down

HS_End3:
		rts

Then you could just make the beginning of the object look like this:

Obj10:
                subq.b  #1,$2A(a0)
                bmi     @Start
                rts
                
                @Start:
                ; object init stuff

Oh, whoops, Selbi's already helping. Eh, whatever, someone may get something out of this.

Well damn, I'm familiar with that Sunset Park art, but the rest of those are new to me. And they all look gorgeous. I'd put money towards a project like this in a heart beat if one ever came around. I wouldn't mind seeing a Chaotix remaster either, if anything to clean that game up a bit and make it more readily available.

This was a really fantastic watch. It's kind of disappointing that a lot of people outside of this community will most likely ignore a video like this in favor of more "lolSonic06" shit. I could think of at least four people off the top of my head I would want to see this, but they wouldn't set aside the patience for it when it's so much easier and quicker to look at Sonic '06 or Sonic Boom and leave it at that.

Regardless, I'm happy that I at least was able to view this as it was indeed a very well presented analysis that deserves much more attention.

Oh this is excellent, I've been waiting for something like this to come up. The idea of seeing more homebrew MD projects has interested me since MarkeyJester posted his ROM for The Chaos Layer a few months back. Looks like this will certainly encourage more material of that nature to be shown, not to mention also encourage people who primarily focus on Sonic ROMs to explore other mediums (I should certainly jump on that at some point). Can't wait to see what comes out once the showcase week arrives.