MD Rom Header

Header:
        .ascii  "SEGA MEGA DRIVE "                                      /* Console Name (16) */
        .ascii  "(C)SEGA 2012.MAR"                                      /* Copyright Information (16) */
        .ascii  "MY PROG                                         "      /* Domestic Name (48) */
        .ascii  "MY PROG                                         "      /* Overseas Name (48) */
        .ascii  "GM 00000000-00"                                        /* Serial Number (2, 14) */
        dc.w    0x0000                                                  /* Checksum (2) */
        .ascii  "JD              "                                      /* I/O Support (16) */
        dc.l    0x00000000                                              /* ROM Start Address (4) */
        dc.l    0x20000                                                 /* ROM End Address (4) */
        dc.l    0x00FF0000                                              /* Start of Backup RAM (4) */
        dc.l    0x00FFFFFF                                              /* End of Backup RAM (4) */
        .ascii  "                        "                              /* Modem Support (12) */
        .ascii  "                                        "              /* Memo (40) */
        .ascii  "JUE             "                                      /* Country Support (16) */