Hex.vim is a project mainly written in Vim Script, it's free.
ftplugin for Intel Hex files
This is a mirror of http://www.vim.org/scripts/script.php?script_id=2955
This is a filetype plugin for Intel Hex Files. Shows the address and decimal data at the cursor position. :HexGotoAddress 0x...... : Jump to address
Actually it is only for 'Extended linear address record ' (type 04) If you need other types too, send me your hex-file