Software
There are various software packages available. The core package at its simplest allows for the basic remote functionality to be updated via the PC. It also allows for installing new devices, protocols and extenders, though these are created separately and copied into the core package. It also permits the entire remote control's configuration to be saved as files on the PC for backup purposes or "cloning" remote controls.
Programs complementary to the core package cover such functionality as creating new devices, creating new protocols, assembling the assembly languages of the processors in the remote control, and analysis of signals learned on the remote control to enable proper protocol support to be built to control new devices.
In October, 2000, at remotecentral.com’s "General Consumer Remotes" forum, electronics hobbyists Dan "HW Hackr" Nelson and Rob Crowe worked out how a JP1 connector could be used to examine and modify that portion of a remote control's memory containing user configuration data and user-updated devices. The hobbyists were able to reverse engineer the layout of this memory area, then discovered how to apply updates directly. The JP1 Remotes Forum expanded on that work, and remains the foremost locus of discovery for exploiting new JP1 functionality.
Read more about this topic: JP1 Remote