$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 HERE)

$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)