@@ 0,0 1,270 @@
+{
+    "manufacturer": "Yiancar-Designs",
+    "keyboard_name": "NK_ Classic TKL",
+    "maintainer": "Yiancar",
+    "bootloader": "stm32-dfu",
+    "diode_direction": "COL2ROW",
+    "features": {
+        "bootmagic": true,
+        "command": false,
+        "console": false,
+        "extrakey": true,
+        "mousekey": true,
+        "nkro": true,
+        "rgb_matrix": true
+    },
+    "matrix_pins": {
+        "cols": ["B12", "B13", "B14", "B15", "A8", "A10", "A14", "A15", "B3", "B4", "B5", "B6", "B7", "B8", "B9", "A0", "A1"],
+        "rows": ["B11", "B10", "B2", "B1", "A9", "A5"]
+    },
+    "processor": "STM32F072",
+    "rgb_matrix": {
+        "animations": {
+            "alphas_mods": true,
+            "band_pinwheel_sat": true,
+            "band_pinwheel_val": true,
+            "band_sat": true,
+            "band_spiral_sat": true,
+            "band_spiral_val": true,
+            "band_val": true,
+            "breathing": true,
+            "cycle_all": true,
+            "cycle_left_right": true,
+            "cycle_out_in": true,
+            "cycle_out_in_dual": true,
+            "cycle_pinwheel": true,
+            "cycle_spiral": true,
+            "cycle_up_down": true,
+            "digital_rain": true,
+            "dual_beacon": true,
+            "gradient_left_right": true,
+            "gradient_up_down": true,
+            "hue_breathing": true,
+            "hue_pendulum": true,
+            "hue_wave": true,
+            "jellybean_raindrops": true,
+            "multisplash": true,
+            "pixel_flow": true,
+            "pixel_fractal": true,
+            "pixel_rain": true,
+            "rainbow_beacon": true,
+            "rainbow_moving_chevron": true,
+            "rainbow_pinwheels": true,
+            "raindrops": true,
+            "solid_multisplash": true,
+            "solid_reactive": true,
+            "solid_reactive_cross": true,
+            "solid_reactive_multicross": true,
+            "solid_reactive_multinexus": true,
+            "solid_reactive_multiwide": true,
+            "solid_reactive_nexus": true,
+            "solid_reactive_simple": true,
+            "solid_reactive_wide": true,
+            "solid_splash": true,
+            "splash": true,
+            "typing_heatmap": true
+        },
+        "driver": "ws2812",
+        "layout": [
+            {"matrix": [0, 0], "x": 0, "y": 0, "flags": 1},
+            {"matrix": [0, 1], "x": 26, "y": 0, "flags": 4},
+            {"matrix": [0, 2], "x": 38, "y": 0, "flags": 4},
+            {"matrix": [0, 3], "x": 51, "y": 0, "flags": 4},
+            {"matrix": [0, 4], "x": 64, "y": 0, "flags": 4},
+            {"matrix": [0, 5], "x": 83, "y": 0, "flags": 1},
+            {"matrix": [0, 6], "x": 96, "y": 0, "flags": 1},
+            {"matrix": [0, 7], "x": 109, "y": 0, "flags": 1},
+            {"matrix": [0, 8], "x": 122, "y": 0, "flags": 1},
+            {"matrix": [0, 9], "x": 141, "y": 0, "flags": 4},
+            {"matrix": [0, 10], "x": 154, "y": 0, "flags": 4},
+            {"matrix": [0, 11], "x": 166, "y": 0, "flags": 4},
+            {"matrix": [0, 12], "x": 179, "y": 0, "flags": 4},
+            {"matrix": [0, 14], "x": 195, "y": 0, "flags": 1},
+            {"matrix": [0, 15], "x": 208, "y": 0, "flags": 1},
+            {"matrix": [0, 16], "x": 221, "y": 0, "flags": 1},
+            {"matrix": [1, 16], "x": 221, "y": 15, "flags": 1},
+            {"matrix": [1, 15], "x": 208, "y": 15, "flags": 1},
+            {"matrix": [1, 14], "x": 195, "y": 15, "flags": 1},
+            {"matrix": [1, 13], "x": 173, "y": 15, "flags": 1},
+            {"matrix": [1, 12], "x": 154, "y": 15, "flags": 4},
+            {"matrix": [1, 11], "x": 141, "y": 15, "flags": 4},
+            {"matrix": [1, 10], "x": 128, "y": 15, "flags": 4},
+            {"matrix": [1, 9], "x": 115, "y": 15, "flags": 4},
+            {"matrix": [1, 8], "x": 102, "y": 15, "flags": 4},
+            {"matrix": [1, 7], "x": 90, "y": 15, "flags": 4},
+            {"matrix": [1, 6], "x": 77, "y": 15, "flags": 4},
+            {"matrix": [1, 5], "x": 64, "y": 15, "flags": 4},
+            {"matrix": [1, 4], "x": 51, "y": 15, "flags": 4},
+            {"matrix": [1, 3], "x": 38, "y": 15, "flags": 4},
+            {"matrix": [1, 2], "x": 26, "y": 15, "flags": 4},
+            {"matrix": [1, 1], "x": 13, "y": 15, "flags": 4},
+            {"matrix": [1, 0], "x": 0, "y": 15, "flags": 4},
+            {"matrix": [2, 0], "x": 3, "y": 27, "flags": 1},
+            {"matrix": [2, 1], "x": 19, "y": 27, "flags": 4},
+            {"matrix": [2, 2], "x": 32, "y": 27, "flags": 4},
+            {"matrix": [2, 3], "x": 45, "y": 27, "flags": 4},
+            {"matrix": [2, 4], "x": 58, "y": 27, "flags": 4},
+            {"matrix": [2, 5], "x": 70, "y": 27, "flags": 4},
+            {"matrix": [2, 6], "x": 83, "y": 27, "flags": 4},
+            {"matrix": [2, 7], "x": 96, "y": 27, "flags": 4},
+            {"matrix": [2, 8], "x": 109, "y": 27, "flags": 4},
+            {"matrix": [2, 9], "x": 122, "y": 27, "flags": 4},
+            {"matrix": [2, 10], "x": 134, "y": 27, "flags": 4},
+            {"matrix": [2, 11], "x": 147, "y": 27, "flags": 4},
+            {"matrix": [2, 12], "x": 160, "y": 27, "flags": 4},
+            {"matrix": [3, 12], "x": 176, "y": 27, "flags": 4},
+            {"matrix": [2, 14], "x": 195, "y": 27, "flags": 1},
+            {"matrix": [2, 15], "x": 208, "y": 27, "flags": 1},
+            {"matrix": [2, 16], "x": 221, "y": 27, "flags": 1},
+            {"x": 224, "y": 34, "flags": 9},
+            {"x": 218, "y": 34, "flags": 9},
+            {"x": 211, "y": 34, "flags": 9},
+            {"x": 205, "y": 34, "flags": 9},
+            {"x": 198, "y": 34, "flags": 9},
+            {"x": 192, "y": 34, "flags": 9},
+            {"matrix": [3, 13], "x": 171, "y": 40, "flags": 1},
+            {"matrix": [3, 11], "x": 150, "y": 40, "flags": 4},
+            {"matrix": [3, 10], "x": 138, "y": 40, "flags": 4},
+            {"matrix": [3, 9], "x": 125, "y": 40, "flags": 4},
+            {"matrix": [3, 8], "x": 112, "y": 40, "flags": 4},
+            {"matrix": [3, 7], "x": 99, "y": 40, "flags": 4},
+            {"matrix": [3, 6], "x": 86, "y": 40, "flags": 4},
+            {"matrix": [3, 5], "x": 74, "y": 40, "flags": 4},
+            {"matrix": [3, 4], "x": 61, "y": 40, "flags": 4},
+            {"matrix": [3, 3], "x": 48, "y": 40, "flags": 4},
+            {"matrix": [3, 2], "x": 35, "y": 40, "flags": 4},
+            {"matrix": [3, 1], "x": 22, "y": 40, "flags": 4},
+            {"matrix": [3, 0], "x": 5, "y": 40, "flags": 1},
+            {"matrix": [4, 0], "x": 8, "y": 52, "flags": 1},
+            {"matrix": [4, 2], "x": 29, "y": 52, "flags": 4},
+            {"matrix": [4, 3], "x": 42, "y": 52, "flags": 4},
+            {"matrix": [4, 4], "x": 54, "y": 52, "flags": 4},
+            {"matrix": [4, 5], "x": 67, "y": 52, "flags": 4},
+            {"matrix": [4, 6], "x": 80, "y": 52, "flags": 4},
+            {"matrix": [4, 7], "x": 93, "y": 52, "flags": 4},
+            {"matrix": [4, 8], "x": 106, "y": 52, "flags": 4},
+            {"matrix": [4, 9], "x": 118, "y": 52, "flags": 4},
+            {"matrix": [4, 10], "x": 131, "y": 52, "flags": 4},
+            {"matrix": [4, 11], "x": 144, "y": 52, "flags": 4},
+            {"matrix": [4, 12], "x": 168, "y": 52, "flags": 1},
+            {"matrix": [4, 15], "x": 208, "y": 52, "flags": 1},
+            {"matrix": [5, 16], "x": 221, "y": 64, "flags": 1},
+            {"matrix": [5, 15], "x": 208, "y": 64, "flags": 1},
+            {"matrix": [5, 14], "x": 195, "y": 64, "flags": 1},
+            {"matrix": [5, 13], "x": 176, "y": 64, "flags": 1},
+            {"matrix": [5, 12], "x": 160, "y": 64, "flags": 1},
+            {"matrix": [5, 11], "x": 144, "y": 64, "flags": 1},
+            {"matrix": [5, 6], "x": 90, "y": 64, "flags": 4},
+            {"matrix": [5, 2], "x": 35, "y": 64, "flags": 1},
+            {"matrix": [5, 1], "x": 19, "y": 64, "flags": 1},
+            {"matrix": [5, 0], "x": 3, "y": 64, "flags": 1}
+        ],
+        "max_brightness": 120,
+        "sleep": true
+    },
+    "url": "www.yiancar-designs.com",
+    "usb": {
+        "device_version": "0.0.1",
+        "pid": "0x4E54",
+        "vid": "0x8968"
+    },
+    "ws2812": {
+        "driver": "pwm",
+        "pin": "B0"
+    },
+    "layout_aliases": {
+        "LAYOUT": "LAYOUT_tkl_ansi_tsangan"
+    },
+    "layouts": {
+        "LAYOUT_tkl_ansi_tsangan": {
+            "layout": [
+                {"matrix": [0, 0], "x": 0, "y": 0},
+                {"matrix": [0, 1], "x": 2, "y": 0},
+                {"matrix": [0, 2], "x": 3, "y": 0},
+                {"matrix": [0, 3], "x": 4, "y": 0},
+                {"matrix": [0, 4], "x": 5, "y": 0},
+                {"matrix": [0, 5], "x": 6.5, "y": 0},
+                {"matrix": [0, 6], "x": 7.5, "y": 0},
+                {"matrix": [0, 7], "x": 8.5, "y": 0},
+                {"matrix": [0, 8], "x": 9.5, "y": 0},
+                {"matrix": [0, 9], "x": 11, "y": 0},
+                {"matrix": [0, 10], "x": 12, "y": 0},
+                {"matrix": [0, 11], "x": 13, "y": 0},
+                {"matrix": [0, 12], "x": 14, "y": 0},
+                {"matrix": [0, 14], "x": 15.25, "y": 0},
+                {"matrix": [0, 15], "x": 16.25, "y": 0},
+                {"matrix": [0, 16], "x": 17.25, "y": 0},
+                {"matrix": [1, 0], "x": 0, "y": 1.25},
+                {"matrix": [1, 1], "x": 1, "y": 1.25},
+                {"matrix": [1, 2], "x": 2, "y": 1.25},
+                {"matrix": [1, 3], "x": 3, "y": 1.25},
+                {"matrix": [1, 4], "x": 4, "y": 1.25},
+                {"matrix": [1, 5], "x": 5, "y": 1.25},
+                {"matrix": [1, 6], "x": 6, "y": 1.25},
+                {"matrix": [1, 7], "x": 7, "y": 1.25},
+                {"matrix": [1, 8], "x": 8, "y": 1.25},
+                {"matrix": [1, 9], "x": 9, "y": 1.25},
+                {"matrix": [1, 10], "x": 10, "y": 1.25},
+                {"matrix": [1, 11], "x": 11, "y": 1.25},
+                {"matrix": [1, 12], "x": 12, "y": 1.25},
+                {"matrix": [1, 13], "x": 13, "y": 1.25, "w": 2},
+                {"matrix": [1, 14], "x": 15.25, "y": 1.25},
+                {"matrix": [1, 15], "x": 16.25, "y": 1.25},
+                {"matrix": [1, 16], "x": 17.25, "y": 1.25},
+                {"matrix": [2, 0], "x": 0, "y": 2.25, "w": 1.5},
+                {"matrix": [2, 1], "x": 1.5, "y": 2.25},
+                {"matrix": [2, 2], "x": 2.5, "y": 2.25},
+                {"matrix": [2, 3], "x": 3.5, "y": 2.25},
+                {"matrix": [2, 4], "x": 4.5, "y": 2.25},
+                {"matrix": [2, 5], "x": 5.5, "y": 2.25},
+                {"matrix": [2, 6], "x": 6.5, "y": 2.25},
+                {"matrix": [2, 7], "x": 7.5, "y": 2.25},
+                {"matrix": [2, 8], "x": 8.5, "y": 2.25},
+                {"matrix": [2, 9], "x": 9.5, "y": 2.25},
+                {"matrix": [2, 10], "x": 10.5, "y": 2.25},
+                {"matrix": [2, 11], "x": 11.5, "y": 2.25},
+                {"matrix": [2, 12], "x": 12.5, "y": 2.25},
+                {"matrix": [3, 12], "x": 13.5, "y": 2.25, "w": 1.5},
+                {"matrix": [2, 14], "x": 15.25, "y": 2.25},
+                {"matrix": [2, 15], "x": 16.25, "y": 2.25},
+                {"matrix": [2, 16], "x": 17.25, "y": 2.25},
+                {"matrix": [3, 0], "x": 0, "y": 3.25, "w": 1.75},
+                {"matrix": [3, 1], "x": 1.75, "y": 3.25},
+                {"matrix": [3, 2], "x": 2.75, "y": 3.25},
+                {"matrix": [3, 3], "x": 3.75, "y": 3.25},
+                {"matrix": [3, 4], "x": 4.75, "y": 3.25},
+                {"matrix": [3, 5], "x": 5.75, "y": 3.25},
+                {"matrix": [3, 6], "x": 6.75, "y": 3.25},
+                {"matrix": [3, 7], "x": 7.75, "y": 3.25},
+                {"matrix": [3, 8], "x": 8.75, "y": 3.25},
+                {"matrix": [3, 9], "x": 9.75, "y": 3.25},
+                {"matrix": [3, 10], "x": 10.75, "y": 3.25},
+                {"matrix": [3, 11], "x": 11.75, "y": 3.25},
+                {"matrix": [3, 13], "x": 12.75, "y": 3.25, "w": 2.25},
+                {"matrix": [4, 0], "x": 0, "y": 4.25, "w": 2.25},
+                {"matrix": [4, 2], "x": 2.25, "y": 4.25},
+                {"matrix": [4, 3], "x": 3.25, "y": 4.25},
+                {"matrix": [4, 4], "x": 4.25, "y": 4.25},
+                {"matrix": [4, 5], "x": 5.25, "y": 4.25},
+                {"matrix": [4, 6], "x": 6.25, "y": 4.25},
+                {"matrix": [4, 7], "x": 7.25, "y": 4.25},
+                {"matrix": [4, 8], "x": 8.25, "y": 4.25},
+                {"matrix": [4, 9], "x": 9.25, "y": 4.25},
+                {"matrix": [4, 10], "x": 10.25, "y": 4.25},
+                {"matrix": [4, 11], "x": 11.25, "y": 4.25},
+                {"matrix": [4, 12], "x": 12.25, "y": 4.25, "w": 2.75},
+                {"matrix": [4, 15], "x": 16.25, "y": 4.25},
+                {"matrix": [5, 0], "x": 0, "y": 5.25, "w": 1.5},
+                {"matrix": [5, 1], "x": 1.5, "y": 5.25},
+                {"matrix": [5, 2], "x": 2.5, "y": 5.25, "w": 1.5},
+                {"matrix": [5, 6], "x": 4, "y": 5.25, "w": 7},
+                {"matrix": [5, 11], "x": 11, "y": 5.25, "w": 1.5},
+                {"matrix": [5, 12], "x": 12.5, "y": 5.25},
+                {"matrix": [5, 13], "x": 13.5, "y": 5.25, "w": 1.5},
+                {"matrix": [5, 14], "x": 15.25, "y": 5.25},
+                {"matrix": [5, 15], "x": 16.25, "y": 5.25},
+                {"matrix": [5, 16], "x": 17.25, "y": 5.25}
+            ]
+        }
+    }
+}
 
  
@@ 0,0 1,69 @@
+/* Copyright 2024 Yiancar-Designs
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include QMK_KEYBOARD_H
+
+enum my_keycodes {
+  RETRO_RGB = QK_USER_0
+};
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+[0] = LAYOUT_tkl_ansi_tsangan( /* Base */
+    KC_ESC,  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_PSCR, KC_SCRL, KC_PAUS,
+    KC_GRV,  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_INS,  KC_HOME, KC_PGUP,
+    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_END,  KC_PGDN,
+    KC_CAPS, 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_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_LCTL, KC_LGUI, KC_LALT,                KC_SPC,                                            KC_RALT, MO(1),   KC_RCTL, KC_LEFT, KC_DOWN, KC_RGHT),
+
+[1] = LAYOUT_tkl_ansi_tsangan( /* FN */
+    _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,          KC_VOLU, KC_VOLD, KC_MUTE,
+    _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+    _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+    _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,          _______,
+    _______, RGB_TOG, RGB_MOD, RGB_HUD, RGB_HUI, RGB_SAD, RGB_SAI, RGB_VAD, RGB_VAI, RGB_SPD, RGB_SPI,          _______,                   _______,
+    _______, _______, _______,                   RETRO_RGB,                                            _______, _______, _______, _______, _______, _______),
+
+};
+
+bool rgb_matrix_indicators_advanced_user(uint8_t led_min, uint8_t led_max) {
+    if (host_keyboard_led_state().caps_lock) {
+        for (uint8_t i = 50; i <= 55; i++) {
+            rgb_matrix_set_color(i, 255, 86, 0);
+        }
+    }
+    return false;
+}
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+    switch (keycode) {
+    case RETRO_RGB:
+        if (record->event.pressed) {
+            switch (rgb_matrix_get_flags()) {
+                case LED_FLAG_ALL: {
+                    rgb_matrix_set_flags(LED_FLAG_INDICATOR);
+                }
+                break;
+                default: {
+                    rgb_matrix_set_flags(LED_FLAG_ALL);
+                }
+                break;
+            }
+        }
+        return false; // Skip all further processing of this key
+    default:
+        return true; // Process all other keycodes normally
+    }
+}
 
  
@@ 0,0 1,69 @@
+/* Copyright 2024 Yiancar-Designs
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include QMK_KEYBOARD_H
+
+enum my_keycodes {
+  RETRO_RGB = QK_KB_0
+};
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+[0] = LAYOUT_tkl_ansi_tsangan( /* Base */
+    KC_ESC,  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_PSCR, KC_SCRL, KC_PAUS,
+    KC_GRV,  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_INS,  KC_HOME, KC_PGUP,
+    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_END,  KC_PGDN,
+    KC_CAPS, 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_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_LCTL, KC_LGUI, KC_LALT,                KC_SPC,                                            KC_RALT, MO(1),   KC_RCTL, KC_LEFT, KC_DOWN, KC_RGHT),
+
+[1] = LAYOUT_tkl_ansi_tsangan( /* FN */
+    _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,          KC_VOLU, KC_VOLD, KC_MUTE,
+    _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+    _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+    _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,          _______,
+    _______, RGB_TOG, RGB_MOD, RGB_HUD, RGB_HUI, RGB_SAD, RGB_SAI, RGB_VAD, RGB_VAI, RGB_SPD, RGB_SPI,          _______,                   _______,
+    _______, _______, _______,                   RETRO_RGB,                                            _______, _______, _______, _______, _______, _______),
+
+};
+
+bool rgb_matrix_indicators_advanced_user(uint8_t led_min, uint8_t led_max) {
+    if (host_keyboard_led_state().caps_lock) {
+        for (uint8_t i = 50; i <= 55; i++) {
+            rgb_matrix_set_color(i, 255, 86, 0);
+        }
+    }
+    return false;
+}
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+    switch (keycode) {
+    case RETRO_RGB:
+        if (record->event.pressed) {
+            switch (rgb_matrix_get_flags()) {
+                case LED_FLAG_ALL: {
+                    rgb_matrix_set_flags(LED_FLAG_INDICATOR);
+                }
+                break;
+                default: {
+                    rgb_matrix_set_flags(LED_FLAG_ALL);
+                }
+                break;
+            }
+        }
+        return false; // Skip all further processing of this key
+    default:
+        return true; // Process all other keycodes normally
+    }
+}