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This is a ROM conversion utility that can take an Atari Lynx LNX ROM file and convert it into a headerless LYX ROM file with padding up to the next ROM byte size. Currently only ROMs up to 512KiB are supported. ROMs that are 128KiB can be converted to 256KiB ROMs. You can test you ROM using the Online Atari Lynx Emulator. This converter also detects BLL Object ROMs and can convert them to LYX files.
To get started drag and drop your LNX ROM or BLL O file into the area below...
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LNX ROM Header Fields - 64 Byte Header

Byte  0 -  3  | Char literal   | "LYNX"                      EEPROM byte-bits encode details of EEPROM used
      4 -  5  | 16-bit uchar   | Bank 0 page size            bit  1   2   3   4   5   6   7   8
      6 -  7  | 16-bit uchar   | Bank 1 page size                 |       |   |       |   |   |
      8 -  9  | 16-bit uchar   | Version number                   +---+---+   +---+---+   |  16/8 BIT
     10 - 41  | String + \0    | Cart name                            |           |     REAL/SD
     42 - 57  | String + \0    | Manufacturer                    EEPROM TYPE    UNUSED 
          58  | uchar          | Rotation (1=left, 2=right)
          59  | uchar          | AUDIN Used (1=yes)          Example: 0x40 (00000010) no-EEPROM, SD card saves
          60  | uchar          | EEPROM detail, see right    EEPROM Type values - 0: no EEPROM, 1: 93C46
     61 - 63  | uchar          | Unused                           2: 93C56, 3: 93C66, 4: 93C76, 5: 93C86
                                                             EEPROM size is 2^(type+9)
                                                                  e.g. 2^(1+9) = 1024 bits for 93C46

BLL Object Header Fields - 10 Byte Header

Byte  0 -  1  | 16-bit uchar   | Magic: 0x80 0x08 (08 is BS ASCII char, also bytes in hex show up as 8008 😅)
      2 -  3  | 16-bit uchar   | Load address
      4 -  5  | 16-bit uchar   | Object size
      6 -  9  | Char literal   | "BS93"
ROM Information

ROM File                  N/A
ROM Block Size (Bank 0)   N/A
ROM Block Size (Bank 1)   N/A
Version                   N/A
Cart Name                 N/A
Manufacturer              N/A
Rotation                  N/A
AUDIN Used                N/A
EEPROM                    N/A  

Load ROM to display information.
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