<pre class="68k">$000-$0FF - Vectors
  
      $00 - Stack pointer
      $04 - Code start
      $08 - Bus error  
      $0C - Address error 
      $10 - Illegal instruction 
      $14 - Divistion by zero
      $18 - CHK exception
      $1C - TRAPV exception 
      $20 - Privilege violation 
      $24 - TRACE exeption  
      $28 - LINE 1010 EMULATOR  
      $2C - LINE 1111 EMULATOR  
      $30-$5F - Reserved by Motorola  
      $60 - Spurious exception 
      $64 - Interrupt request level 1  
      $68 - Interrupt request level 2  
      $6C - Interrupt request level 3  
      $70 - Interrupt request level 4 (VDP interrupt / Horizontal blank)  
      $74 - Interrupt request level 5  
      $78 - Interrupt request level 6 (Vertical blank)  
      $7C - Interrupt request level 7  
      $80 - TRAP #00 exception  
      $84 - TRAP #01 exception  
      $88 - TRAP #02 exception  
      $8C - TRAP #03 exception  
      $90 - TRAP #04 exception  
      $94 - TRAP #05 exception  
      $98 - TRAP #06 exception  
      $9C - TRAP #07 exception  
      $A0 - TRAP #08 exception  
      $A4 - TRAP #09 exception  
      $A8 - TRAP #10 exception  
      $AC - TRAP #11 exception  
      $B0 - TRAP #12 exception  
      $B4 - TRAP #13 exception  
      $B8 - TRAP #14 exception  
      $BC - TRAP #15 exception  
      $C0-$FF - Reserved by Motorola

$100-$10F - Console name (usually 'SEGA MEGA DRIVE ' or 'SEGA GENESIS    ')
$110-$11F - Release date (usually '(C)XXXX YYYY.MMM' 
            where XXXX is the company code, YYYY is the year and MMM - month)
$120-$14F - Domestic name
$150-$17F - International name
$180-$18D - Version ('XX YYYYYYYYYYYY' where XX is the game type and YY the game code)
$18E-$18F - Checksum (for info how to calculate checksum go <a href="?guides/68k/a3">HERE</a>)
$190-$19F - I/O support
$1A0-$1A3 - ROM start 
$1A4-$1A7 - ROM end
$1A8-$1AB - RAM start (usually $00FF0000)
$1AC-$1AF - RAM end (usually $00FFFFFF)
$1B0-$1B2 - 'RA' and $F8 enables SRAM.
$1B3      - unused ($20)
$1B4-$1B7 - SRAM start (default $00200000)
$1B8-$1BB - SRAM end (default $0020FFFF)
$1BC-$1FF - Notes (unused)</pre>