Differences-from-TMK.md

   1 Understanding the essential changes made on the [tmk_keyboard firmware](http://github.com/tmk/tmk_keyboard) should help you understand the QMK Firmware.
   2
   3 | Firmware                     |TMK                    |QMK                      |
   4 |------------------------------|-----------------------|-------------------------|
   5 | Maintainer                   |hasu  (@tmk)           |Jack Humbert et al.      |
   6 | Build path customization     | `TMK_DIR = ...`       | `include .../Makefile`  |
   7 | `keymaps` array data | 3D array of `uint8_t`  holding **keycode**      | 3D array of `uint16_t` holding **keycode**  |
   8 | `fn_actions` array data  | 1D array of `uint16_t`  holding **action code** | 1D array of `uint16_t` holding **action code**  |