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Every file here came off an FTP mirror sometime in the early 90s. It is all freeware or shareware, it is all unsupported, and none of it will run on your phone.

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Download YXMODEM.ZIP

XMODEM/YMODEM protocol reference

A compendium of documents describing the XMODEM and YMODEM File Transfer Protocols

File Size: 58 KB

Files contained in this archive

  • YMODEM.DOC
  • ZMODEM.DOC
Download YXMODEM.ZIP