4 files changed, 94 insertions, 0 deletions
diff --git a/keyboards/hhkb/keymaps/dhertz/config.h b/keyboards/hhkb/keymaps/dhertz/config.h
new file mode 100644
index 000000000..af2fb9d8a
--- /dev/null
+++ b/keyboards/hhkb/keymaps/dhertz/config.h
@@ -0,0 +1 @@
+#define USB_MAX_POWER_CONSUMPTION 100
diff --git a/keyboards/hhkb/keymaps/dhertz/keymap.c b/keyboards/hhkb/keymaps/dhertz/keymap.c
new file mode 100644
index 000000000..951af069b
--- /dev/null
+++ b/keyboards/hhkb/keymaps/dhertz/keymap.c
@@ -0,0 +1,84 @@
+#include QMK_KEYBOARD_H
+#include "keymap.h"
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    /* Layer 0: Default Layer
+     * ,-----------------------------------------------------------.
+     * |Esc|  1|  2|  3|  4|  5|  6|  7|  8|  9|  0|  -|  =|Del|Bsp|
+     * |-----------------------------------------------------------|
+     * |Tab |  Q|  W|  E|  R|  T|  Y|  U|  I|  O|  P|  [|  ]|Enter |
+     * |------------------------------------------------------`    |
+     * |SrCtl |  A|  S|  D|  F|  G|  H|  J|  K|  L|  ;|  '|  \|    |
+     * |-----------------------------------------------------------|
+     * |Shift  |  Z|  X|  C|  V|  B|  N|  M|  ,|  .|  /|  `|Up |Shi|
+     * |-----------------------------------------------------------|
+     * |NCt||  #|Alt|CmT|CmT|  LyrSpc |CGv|Iso|Gui|CSL||Rig|Dow|Lef|
+     * `-----------------------------------------------------------'
+     */
+    [0] = LAYOUT_JP(
+              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_DEL,KC_BSPC,
+              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,
+             SRCH_CTL,   KC_A,   KC_S,   KC_D,   KC_F,   KC_G,   KC_H,   KC_J,   KC_K,   KC_L,  KC_SCLN,KC_QUOT,KC_NUHS, 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_NUBS,  KC_UP,   KC_RSFT,
+              NC_CTL, HSH_TLD,KC_LALT,CMD_TAB_CMD,CMD_TAB_CMD, LT(2, KC_SPC)  , CMD_GRV_CMD, ISO_COUNTRY_CODE,KC_RGUI, CMD_SFT_L, KC_LEFT,KC_DOWN,KC_RGHT
+        ),
+
+  /* Layer 1: iPad mode (Fixed)
+   * ,-----------------------------------------------------------.
+   * |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
+   * |-----------------------------------------------------------|
+   * |     |   |   |   |   |   |   |   |   |   |   |   |   |     |
+   * |------------------------------------------------------`    |
+   * |CmdSpc|   |   |   |   |   |   |   |   |   |   |   |   |    |
+   * |-----------------------------------------------------------|
+   * |       |   |   |   |   |   |   |   |   |   |   |   |   |   |
+   * |-----------------------------------------------------------|
+   * |   ||  ~|   |CAD|   |         |CmH|   |   |   ||   |   |   |
+   * `-----------------------------------------------------------'
+   */
+  [1] = LAYOUT_JP(
+            KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,
+            KC_TRNS,  KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,  KC_TRNS,KC_TRNS,
+            CMD_SPC,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,
+            KC_TRNS,    KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,
+            KC_TRNS,  KC_TRNS,KC_TRNS,CMD_ALT_D,KC_TRNS,      KC_TRNS      ,CMD_H,KC_TRNS,KC_TRNS,KC_TRNS, KC_TRNS,KC_TRNS, KC_TRNS
+  ),
+
+  /* Layer 2: HHKB mode (Space)
+   * ,-----------------------------------------------------------.
+   * |Pwr| F1| F2| F3| F4| F5| F6| F7| F8| F9|F10|F11|F12|Ins|Del|
+   * |-----------------------------------------------------------|
+   * |Caps |DL0|DL1|   |   |   |   |   |Psc|Slk|Pus|Up |   |     |
+   * |------------------------------------------------------`    |
+   * |      |VoD|VoU|Mut|   |   |   |Bsp|Del|CSL|Lef|Rig|   |    |
+   * |-----------------------------------------------------------|
+   * |       |   |   |CAC|   |   |   |   |   |   |Dow|   |PgU|   |
+   * |-----------------------------------------------------------|
+   * |   ||  ~|   |   |   |         |   |   |   |   ||Hom|PgD|End|
+   * `-----------------------------------------------------------'
+   */
+  [2] = LAYOUT_JP(
+            KC_PWR,  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_INS,KC_DEL,
+            KC_CAPS,  DF(0),  DF(1),KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_PSCR,KC_SLCK,KC_PAUS,  KC_UP,KC_TRNS,
+            KC_TRNS,   KC_VOLD,KC_VOLU,KC_MUTE,KC_TRNS,KC_TRNS,KC_TRNS,KC_BSPC, KC_DEL,CMD_SFT_L,KC_LEFT,KC_RGHT,KC_TRNS,KC_PENT,
+            KC_TRNS,    KC_TRNS,KC_TRNS,CMD_ALT_C,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_DOWN,KC_TRNS,KC_PGUP,KC_TRNS,
+            KC_TRNS, KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,      KC_TRNS      ,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS, KC_HOME,KC_PGDN, KC_END
+  ),
+};
+
+bool process_record_keymap(uint16_t keycode, keyrecord_t *record) {
+    switch(keycode) {
+        case CMD_SPC:
+            mod_or_mod_with_macro(record, KC_LGUI, " ");
+            break;
+        case CMD_H:
+            mod_or_mod_with_macro(record, KC_RGUI, "H");
+            break;
+        case CMD_ALT_D:
+            mod_or_mod_with_macro(record, KC_LGUI, SS_LALT("D"));
+            break;
+        default:
+            return true;
+    }
+    return false;
+}
diff --git a/keyboards/hhkb/keymaps/dhertz/keymap.h b/keyboards/hhkb/keymaps/dhertz/keymap.h
new file mode 100644
index 000000000..dbefc6380
--- /dev/null
+++ b/keyboards/hhkb/keymaps/dhertz/keymap.h
@@ -0,0 +1,7 @@
+#include "dhertz.h"
+
+enum dhertz_keycodes {
+    CMD_SPC = NEW_SAFE_RANGE,
+    CMD_H,
+    CMD_ALT_D,
+};
diff --git a/keyboards/hhkb/keymaps/dhertz/rules.mk b/keyboards/hhkb/keymaps/dhertz/rules.mk
new file mode 100644
index 000000000..5656057b4
--- /dev/null
+++ b/keyboards/hhkb/keymaps/dhertz/rules.mk
@@ -0,0 +1,2 @@
+OPT_DEFS += -DHHKB_JP
+