Sonic Crackers "overdump" has code/data for a Teenage Mutant Hero Turtles prototype.
Thanks to Genesis/MD VC patches for hex codes. A split disassembly would be nice...
(WIP)
0x4e71 nop
0x4eb9 jsr
0x5478 addq.w
0x42b8 clr.l
0x4e75 rts
0x40e7 move
0x007c ori
0x30bc move.w #$8f02,(a0)
0x20bc move.l
0x7000 moveq #$00,d0
0x721f moveq #$1f,d1
0x3280 move.w d0,(a1)
0x4ef9 jmp
0xb1fc cmpa.l
0x6608 bne
0x4cdf movem.l
0x0440 subi.w
0xe588 lsl.l
0xe448 lsr.w
0x0040 ori.w
0x4840 swap
0x0240 andi.w
0x41f8 lea
0x7023 moveq #$23,d0
0x2940 move.l
0x41f9 lea
0x2898 move.l (a0)+,(a4)
0x51c8 dbra
0x303c move.w
0x23fc move.l
0x6706 beq.s +6
0x4ef9 jsr
0x604a bra.s 0x000304