qmk_firmware/keyboards/ta65/keymaps/maartenwut/keymap.c

#include QMK_KEYBOARD_H

// Each layer gets a name for readability, which is then used in the keymap matrix below.
// The underscores don't mean anything - you can have a layer called STUFF or any other name.
// Layer names don't all need to be of the same length, obviously, and you can also skip them
// entirely and just use numbers.
enum {
  _MA,
  _GA,
  _FL,
  _SP
};

#define SPACE LT(_SP, KC_SPC)

const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {

[_MA] = LAYOUT_65_ansi(
  KC_ESC,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_MINS,  KC_EQL,  KC_BSPC, KC_MPLY,
  KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_LBRC,  KC_RBRC, KC_BSLS, KC_DEL,
  KC_LCTL, KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT,           KC_ENT,  KC_PGUP,
  KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RSFT,           KC_UP,   KC_PGDN,
  KC_CAPS, KC_LGUI, KC_LALT,                   SPACE,                              KC_RALT, KC_RCTRL,MO(_FL),  KC_LEFT, KC_DOWN, KC_RGHT),

[_GA] = LAYOUT_65_ansi(
  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,  _______, _______, _______,
  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,  _______, _______, _______,
  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,           _______, _______,
  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,           _______, _______,
  _______, _______, _______,                   KC_SPC,                             _______, _______, _______,  _______, _______, _______),

[_FL] = LAYOUT_65_ansi(
  KC_GRV,  KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,   KC_F11,  KC_F12,  RESET,   KC_PSCR,
  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,  _______, _______, KC_INS,
  _______, _______, _______, _______, _______, TG(_GA), _______, _______, _______, _______, _______, _______,           _______, KC_HOME,
  _______, _______, _______, _______, _______, _______, _______, _______, KC_VOLD, KC_VOLU, KC_MUTE,  _______,          _______, KC_END,
  _______, _______, _______,                   _______,                            _______, _______, _______,  _______, _______, _______),

[_SP] = LAYOUT_65_ansi(
  KC_GRV,  KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,   KC_F11,  KC_F12,  _______, _______,
  _______, _______, _______, _______, _______, _______, _______, _______, KC_UP,   _______, _______, _______,  _______, _______, _______,
  _______, _______, _______, _______, _______, _______, _______, KC_LEFT, KC_DOWN, KC_RGHT, _______, _______,           _______, _______,
  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,           _______, _______,
  _______, _______, _______,                   _______,                            _______, _______, _______,  _______, _______, _______),
};