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-rw-r--r--keyboards/converter/modelm_ssk/config.h76
-rw-r--r--keyboards/converter/modelm_ssk/info.json457
-rw-r--r--keyboards/converter/modelm_ssk/keymaps/default/keymap.c114
-rw-r--r--keyboards/converter/modelm_ssk/keymaps/default/readme.md1
-rw-r--r--keyboards/converter/modelm_ssk/keymaps/tiltowait/config.h21
-rw-r--r--keyboards/converter/modelm_ssk/keymaps/tiltowait/keymap.c116
-rw-r--r--keyboards/converter/modelm_ssk/keymaps/tiltowait/readme.md11
-rw-r--r--keyboards/converter/modelm_ssk/modelm_ssk.c19
-rw-r--r--keyboards/converter/modelm_ssk/modelm_ssk.h45
-rw-r--r--keyboards/converter/modelm_ssk/readme.md55
-rw-r--r--keyboards/converter/modelm_ssk/rules.mk23
11 files changed, 938 insertions, 0 deletions
diff --git a/keyboards/converter/modelm_ssk/config.h b/keyboards/converter/modelm_ssk/config.h
new file mode 100644
index 0000000000..74d549ba49
--- /dev/null
+++ b/keyboards/converter/modelm_ssk/config.h
@@ -0,0 +1,76 @@
+/*
+Copyright 2019-2021 iw0rm3r, tiltowait
+
+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/>.
+*/
+
+#pragma once
+
+#include "config_common.h"
+
+/* USB Device descriptor parameter */
+#define VENDOR_ID 0xFEED
+#define PRODUCT_ID 0x0000
+#define DEVICE_VER 0x0001
+#define MANUFACTURER tiltowait
+#define PRODUCT IBM Model M Space-Saving Keyboard
+
+/* key matrix size */
+#define MATRIX_ROWS 8
+#define MATRIX_COLS 16
+
+/*
+ * Keyboard Matrix Assignments
+ *
+ * Change this to how you wired your keyboard
+ * COLS: AVR pins used for columns, left to right
+ * ROWS: AVR pins used for rows, top to bottom
+ * DIODE_DIRECTION: COL2ROW = COL = Anode (+), ROW = Cathode (-, marked on diode)
+ * ROW2COL = ROW = Anode (+), COL = Cathode (-, marked on diode)
+ *
+*/
+#define MATRIX_COL_PINS { C7, C6, C5, C4, C3, C2, C1, C0, E1, E0, D7, D5, D4, D3, D2, D1 }
+#define MATRIX_ROW_PINS { F0, F1, F2, F3, F4, F5, F6, F7 }
+#define UNUSED_PINS
+
+/* COL2ROW, ROW2COL*/
+#define DIODE_DIRECTION ROW2COL
+
+/* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed (5 is default) */
+#define DEBOUNCE 5
+
+/* The Model M does not have NKRO */
+#define MATRIX_HAS_GHOST
+
+#define LED_NUM_LOCK_PIN B4
+#define LED_CAPS_LOCK_PIN B6
+#define LED_SCROLL_LOCK_PIN B5
+
+/*
+ * Feature disable options
+ * These options are also useful to firmware size reduction.
+ */
+
+/* disable debug print */
+//#define NO_DEBUG
+
+/* disable print */
+//#define NO_PRINT
+
+/* disable action features */
+//#define NO_ACTION_LAYER
+//#define NO_ACTION_TAPPING
+//#define NO_ACTION_ONESHOT
+//#define NO_ACTION_MACRO
+//#define NO_ACTION_FUNCTION
diff --git a/keyboards/converter/modelm_ssk/info.json b/keyboards/converter/modelm_ssk/info.json
new file mode 100644
index 0000000000..e347d66722
--- /dev/null
+++ b/keyboards/converter/modelm_ssk/info.json
@@ -0,0 +1,457 @@
+{
+ "keyboard_name": "IBM Model M Space-Saving Keyboard",
+ "url": "https://github.com/tiltowait/qmk_firmware/tree/modelm_ssk/keyboards/converter/modelm_ssk",
+ "maintainer": "tiltowait",
+ "width": 17.75,
+ "height": 6.5,
+ "layouts":
+ {
+ "LAYOUT":
+ {
+ "layout":
+ [
+ {
+ "label": "Esc",
+ "x": 0,
+ "y": 0
+ },
+ {
+ "label": "F1",
+ "x": 2,
+ "y": 0
+ },
+ {
+ "label": "F2",
+ "x": 3,
+ "y": 0
+ },
+ {
+ "label": "F3",
+ "x": 4,
+ "y": 0
+ },
+ {
+ "label": "F4",
+ "x": 5,
+ "y": 0
+ },
+ {
+ "label": "F5",
+ "x": 6.5,
+ "y": 0
+ },
+ {
+ "label": "F6",
+ "x": 7.5,
+ "y": 0
+ },
+ {
+ "label": "F7",
+ "x": 8.5,
+ "y": 0
+ },
+ {
+ "label": "F8",
+ "x": 9.5,
+ "y": 0
+ },
+ {
+ "label": "F9",
+ "x": 11,
+ "y": 0
+ },
+ {
+ "label": "F10",
+ "x": 12,
+ "y": 0
+ },
+ {
+ "label": "F11",
+ "x": 13,
+ "y": 0
+ },
+ {
+ "label": "F12",
+ "x": 14,
+ "y": 0
+ },
+ {
+ "label": "PrtSc",
+ "x": 15.25,
+ "y": 0
+ },
+ {
+ "label": "Scroll Lock",
+ "x": 16.25,
+ "y": 0
+ },
+ {
+ "label": "Pause",
+ "x": 17.25,
+ "y": 0
+ },
+ {
+ "label": "~",
+ "x": 0,
+ "y": 1.5
+ },
+ {
+ "label": "!",
+ "x": 1,
+ "y": 1.5
+ },
+ {
+ "label": "@",
+ "x": 2,
+ "y": 1.5
+ },
+ {
+ "label": "#",
+ "x": 3,
+ "y": 1.5
+ },
+ {
+ "label": "$",
+ "x": 4,
+ "y": 1.5
+ },
+ {
+ "label": "%",
+ "x": 5,
+ "y": 1.5
+ },
+ {
+ "label": "^",
+ "x": 6,
+ "y": 1.5
+ },
+ {
+ "label": "&",
+ "x": 7,
+ "y": 1.5
+ },
+ {
+ "label": "*",
+ "x": 8,
+ "y": 1.5
+ },
+ {
+ "label": "(",
+ "x": 9,
+ "y": 1.5
+ },
+ {
+ "label": ")",
+ "x": 10,
+ "y": 1.5
+ },
+ {
+ "label": "_",
+ "x": 11,
+ "y": 1.5
+ },
+ {
+ "label": "+",
+ "x": 12,
+ "y": 1.5
+ },
+ {
+ "label": "Backspace",
+ "x": 13,
+ "y": 1.5,
+ "w": 2
+ },
+ {
+ "label": "Insert",
+ "x": 15.25,
+ "y": 1.5
+ },
+ {
+ "label": "Home",
+ "x": 16.25,
+ "y": 1.5
+ },
+ {
+ "label": "PgUp",
+ "x": 17.25,
+ "y": 1.5
+ },
+ {
+ "label": "Tab",
+ "x": 0,
+ "y": 2.5,
+ "w": 1.5
+ },
+ {
+ "label": "Q",
+ "x": 1.5,
+ "y": 2.5
+ },
+ {
+ "label": "W",
+ "x": 2.5,
+ "y": 2.5
+ },
+ {
+ "label": "E",
+ "x": 3.5,
+ "y": 2.5
+ },
+ {
+ "label": "R",
+ "x": 4.5,
+ "y": 2.5
+ },
+ {
+ "label": "T",
+ "x": 5.5,
+ "y": 2.5
+ },
+ {
+ "label": "Y",
+ "x": 6.5,
+ "y": 2.5
+ },
+ {
+ "label": "U",
+ "x": 7.5,
+ "y": 2.5
+ },
+ {
+ "label": "I",
+ "x": 8.5,
+ "y": 2.5
+ },
+ {
+ "label": "O",
+ "x": 9.5,
+ "y": 2.5
+ },
+ {
+ "label": "P",
+ "x": 10.5,
+ "y": 2.5
+ },
+ {
+ "label": "{",
+ "x": 11.5,
+ "y": 2.5
+ },
+ {
+ "label": "}",
+ "x": 12.5,
+ "y": 2.5
+ },
+ {
+ "label": "|",
+ "x": 13.5,
+ "y": 2.5,
+ "w": 1.5
+ },
+ {
+ "label": "Delete",
+ "x": 15.25,
+ "y": 2.5
+ },
+ {
+ "label": "End",
+ "x": 16.25,
+ "y": 2.5
+ },
+ {
+ "label": "PgDn",
+ "x": 17.25,
+ "y": 2.5
+ },
+ {
+ "label": "Caps Lock",
+ "x": 0,
+ "y": 3.5,
+ "w": 1.5
+ },
+ {
+ "label": "A",
+ "x": 1.75,
+ "y": 3.5
+ },
+ {
+ "label": "S",
+ "x": 2.75,
+ "y": 3.5
+ },
+ {
+ "label": "D",
+ "x": 3.75,
+ "y": 3.5
+ },
+ {
+ "label": "F",
+ "x": 4.75,
+ "y": 3.5
+ },
+ {
+ "label": "G",
+ "x": 5.75,
+ "y": 3.5
+ },
+ {
+ "label": "H",
+ "x": 6.75,
+ "y": 3.5
+ },
+ {
+ "label": "J",
+ "x": 7.75,
+ "y": 3.5
+ },
+ {
+ "label": "K",
+ "x": 8.75,
+ "y": 3.5
+ },
+ {
+ "label": "L",
+ "x": 9.75,
+ "y": 3.5
+ },
+ {
+ "label": ":",
+ "x": 10.75,
+ "y": 3.5
+ },
+ {
+ "label": "\"",
+ "x": 11.75,
+ "y": 3.5
+ },
+ {
+ "label": "~",
+ "x": 12.75,
+ "y": 3.5
+ },
+ {
+ "label": "Enter",
+ "x": 13.75,
+ "y": 3.5,
+ "w": 1.25
+ },
+ {
+ "label": "Shift",
+ "x": 0,
+ "y": 4.5,
+ "w": 1.25
+ },
+ {
+ "label": "|",
+ "x": 1.25,
+ "y": 4.5
+ },
+ {
+ "label": "Z",
+ "x": 2.25,
+ "y": 4.5
+ },
+ {
+ "label": "X",
+ "x": 3.25,
+ "y": 4.5
+ },
+ {
+ "label": "C",
+ "x": 4.25,
+ "y": 4.5
+ },
+ {
+ "label": "V",
+ "x": 5.25,
+ "y": 4.5
+ },
+ {
+ "label": "B",
+ "x": 6.25,
+ "y": 4.5
+ },
+ {
+ "label": "N",
+ "x": 7.25,
+ "y": 4.5
+ },
+ {
+ "label": "M",
+ "x": 8.25,
+ "y": 4.5
+ },
+ {
+ "label": "<",
+ "x": 9.25,
+ "y": 4.5
+ },
+ {
+ "label": ">",
+ "x": 10.25,
+ "y": 4.5
+ },
+ {
+ "label": "?",
+ "x": 11.25,
+ "y": 4.5
+ },
+ {
+ "label": "Shift",
+ "x": 12.25,
+ "y": 4.5,
+ "w": 2.75
+ },
+ {
+ "label": "↑",
+ "x": 16.25,
+ "y": 4.5
+ },
+ {
+ "label": "Ctrl",
+ "x": 0,
+ "y": 5.5,
+ "w": 1.5
+ },
+ {
+ "label": "Alt",
+ "x": 2.5,
+ "y": 5.5,
+ "w": 1.5
+ },
+ {
+ "x": 4,
+ "y": 5.5,
+ "w": 7
+ },
+ {
+ "label": "Alt",
+ "x": 11,
+ "y": 5.5,
+ "w": 1.5
+ },
+ {
+ "label": "Ctrl",
+ "x": 13.5,
+ "y": 5.5,
+ "w": 1.5
+ },
+ {
+ "label": "←",
+ "x": 15.25,
+ "y": 5.5
+ },
+ {
+ "label": "↓",
+ "x": 16.25,
+ "y": 5.5
+ },
+ {
+ "label": "→",
+ "x": 17.25,
+ "y": 5.5
+ }
+ ]
+ }
+ }
+}
diff --git a/keyboards/converter/modelm_ssk/keymaps/default/keymap.c b/keyboards/converter/modelm_ssk/keymaps/default/keymap.c
new file mode 100644
index 0000000000..adf557b268
--- /dev/null
+++ b/keyboards/converter/modelm_ssk/keymaps/default/keymap.c
@@ -0,0 +1,114 @@
+/* Copyright 2019-2021 iw0rm3r, tiltowait
+ *
+ * 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 custom_layers {
+ _BASE,
+ _NUMPAD,
+};
+
+enum custom_keycodes {
+ NUM_SCRL = SAFE_RANGE
+};
+
+void toggle_numpad_layer(int set_state);
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+ [_BASE] = LAYOUT( /* Base layer */
+ 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, NUM_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_NUHS, KC_ENT,
+ KC_LSFT, KC_NUBS, 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_LALT, KC_SPC, KC_RALT, KC_RCTL, KC_LEFT, KC_DOWN, KC_RGHT
+ ),
+ [_NUMPAD] = LAYOUT( /* Numpad Layer */
+ 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_KP_7, KC_KP_8, KC_KP_9, KC_TRNS, KC_KP_MINUS, KC_KP_PLUS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+ KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_KP_4, KC_KP_5, KC_KP_6, 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_KP_1, KC_KP_2, KC_KP_3, KC_KP_ASTERISK, KC_TRNS, KC_TRNS, KC_TRNS,
+ KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_KP_0, KC_TRNS, KC_KP_DOT, KC_KP_SLASH, KC_TRNS, KC_TRNS,
+ KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS
+ ),
+};
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+ static uint16_t last_num_scroll = 0; /* For unregistering the proper key */
+
+ switch (keycode) {
+ case NUM_SCRL: /* Numlock / Scroll Lock */
+ if (record->event.pressed) {
+ if (get_mods() & MOD_MASK_SHIFT) {
+ /* Remove the shift modifiers */
+ uint8_t shift_mods = get_mods() & (MOD_BIT(KC_LSFT) | MOD_BIT(KC_RSFT));
+ del_mods(MOD_MASK_SHIFT);
+
+ last_num_scroll = KC_NUMLOCK;
+ register_code(last_num_scroll);
+ toggle_numpad_layer(-1);
+
+ /* Reset the shift modifiers */
+ set_mods(shift_mods);
+ } else {
+ last_num_scroll = KC_SCROLLLOCK;
+ register_code(last_num_scroll);
+ }
+ } else {
+ unregister_code(last_num_scroll);
+ }
+ break;
+ }
+ return true;
+}
+
+void toggle_numpad_layer(int set_state) {
+ static uint8_t numlock_enabled = 0;
+
+ /* set_state allows us to explicitly change the numlock state
+ rather than merely toggling it. */
+ if (set_state == -1) {
+ numlock_enabled = !numlock_enabled;
+ } else {
+ numlock_enabled = set_state;
+ }
+
+ if (numlock_enabled) {
+ layer_on(_NUMPAD);
+ }
+ else {
+ layer_off(_NUMPAD);
+ }
+}
+
+bool led_update_user(led_t led_state) {
+ /* In rare and unlikely conditions, it's possible for numlock
+ state to change externally from the keyboard. If this happens,
+ we want to match the new state.
+
+ On Windows and Linux, this means that the keyboard will technically
+ toggle the numpad layer twice.
+ */
+
+ static int8_t numlock_state = -1; /* Unknown state at default */
+
+ if (led_state.num_lock != numlock_state) {
+ numlock_state = led_state.num_lock;
+ toggle_numpad_layer(led_state.num_lock);
+ }
+ return true;
+}
+
diff --git a/keyboards/converter/modelm_ssk/keymaps/default/readme.md b/keyboards/converter/modelm_ssk/keymaps/default/readme.md
new file mode 100644
index 0000000000..bc829be266
--- /dev/null
+++ b/keyboards/converter/modelm_ssk/keymaps/default/readme.md
@@ -0,0 +1 @@
+# The default keymap for modelm_ssk
diff --git a/keyboards/converter/modelm_ssk/keymaps/tiltowait/config.h b/keyboards/converter/modelm_ssk/keymaps/tiltowait/config.h
new file mode 100644
index 0000000000..151118fdf6
--- /dev/null
+++ b/keyboards/converter/modelm_ssk/keymaps/tiltowait/config.h
@@ -0,0 +1,21 @@
+/* Copyright 2021 tiltowait
+ *
+ * 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/>.
+ */
+
+#pragma once
+
+// place overrides here
+
+#define PERMISSIVE_HOLD
diff --git a/keyboards/converter/modelm_ssk/keymaps/tiltowait/keymap.c b/keyboards/converter/modelm_ssk/keymaps/tiltowait/keymap.c
new file mode 100644
index 0000000000..58726fec86
--- /dev/null
+++ b/keyboards/converter/modelm_ssk/keymaps/tiltowait/keymap.c
@@ -0,0 +1,116 @@
+/* Copyright 2021 tiltowait
+ *
+ * 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 custom_layers {
+ _BASE,
+ _SECOND,
+ _NUMPAD,
+};
+
+enum custom_keycodes {
+ NUM_SCRL = SAFE_RANGE /* Dual-purpose Scroll Lock / Numlock button as on original hardware */
+};
+
+void toggle_numlock_layer(int set_state);
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+ [_BASE] = LAYOUT( /* Base layer */
+ KC_ESC, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_MUTE, KC_F10, KC_VOLD, KC_VOLU, S(G(KC_4)), NUM_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_BSLS, KC_INS, KC_HOME, KC_PGUP,
+ LT(_SECOND,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_BSPC, KC_DEL, KC_END, KC_PGDN,
+ 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_NUHS, KC_ENT,
+ KC_LSFT, KC_NUBS, 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_LALT, LGUI_T(KC_ENT), KC_SPC, KC_RALT, KC_RCTL, KC_LEFT, KC_DOWN, KC_RGHT
+ ),
+ [_SECOND] = LAYOUT( /* Layer 1 */
+ 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, S(A(KC_MINS)), KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+ KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, C(KC_LEFT), C(KC_RGHT), 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_LEFT, KC_DOWN, KC_UP, KC_RGHT, S(A(KC_M)), KC_TRNS, KC_TRNS, KC_TRNS,
+ KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_ENT, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+ KC_TRNS, KC_TRNS, C(KC_SPC), KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS
+ ),
+ [_NUMPAD] = LAYOUT( /* Numpad Layer */
+ 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_KP_7, KC_KP_8, KC_KP_9, KC_TRNS, KC_KP_MINUS, KC_KP_PLUS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+ KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_KP_4, KC_KP_5, KC_KP_6, 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_KP_1, KC_KP_2, KC_KP_3, KC_KP_ASTERISK, KC_TRNS, KC_TRNS, KC_TRNS,
+ KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_KP_0, KC_TRNS, KC_KP_DOT, KC_KP_SLASH, KC_TRNS, KC_TRNS,
+ KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS
+ ),
+};
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+ static uint16_t last_num_scroll = 0; /* For unregistering the proper key */
+
+ switch (keycode) {
+ case NUM_SCRL:
+ if (record->event.pressed) {
+ if (get_mods() & MOD_MASK_SHIFT) {
+ /* Remove the shift modifiers */
+ uint8_t shift_mods = get_mods() & (MOD_BIT(KC_LSFT) | MOD_BIT(KC_RSFT));
+ set_mods(get_mods() & ~(MOD_BIT(KC_LSFT) | MOD_BIT(KC_RSFT)) );
+
+ last_num_scroll = KC_NUMLOCK;
+ register_code(last_num_scroll);
+ toggle_numlock_layer(-1);
+
+ /* Reset the shift modifiers */
+ set_mods(shift_mods);
+ } else {
+ last_num_scroll = KC_SCROLLLOCK;
+ register_code(last_num_scroll);
+ }
+ } else {
+ unregister_code(last_num_scroll);
+ }
+ break;
+ }
+ return true;
+}
+
+void toggle_numlock_layer(int set_state) {
+ static uint8_t numlock_enabled = 0;
+
+ /* set_state allows us to explicitly change the numlock state
+ rather than merely toggling it. */
+ if (set_state == -1) {
+ numlock_enabled = !numlock_enabled;
+ } else {
+ numlock_enabled = set_state;
+ }
+
+ if (numlock_enabled) {
+ layer_on(_NUMPAD);
+ }
+ else {
+ layer_off(_NUMPAD);
+ }
+}
+
+bool led_update_kb(led_t led_state) {
+ static int8_t numlock_state = -1;
+
+ if (led_state.num_lock != numlock_state) {
+ numlock_state = led_state.num_lock;
+ toggle_numlock_layer(led_state.num_lock);
+ }
+ return true;
+}
diff --git a/keyboards/converter/modelm_ssk/keymaps/tiltowait/readme.md b/keyboards/converter/modelm_ssk/keymaps/tiltowait/readme.md
new file mode 100644
index 0000000000..aecdd89b82
--- /dev/null
+++ b/keyboards/converter/modelm_ssk/keymaps/tiltowait/readme.md
@@ -0,0 +1,11 @@
+# The maintainer's personal keymap for modelm_ssk
+
+This is a keymap suitable for macOS use.
+
+* Backspace and backslash have been swapped (HHKB style)
+* Capslock is LCTRL
+* LCTRL is LALT
+* LALT is LGUI
+* Tab shifts to layer 1 on hold
+* Layer 1 has a couple of Mac shortcuts, plus Vim-style arrow keys
+* Shift+Numlock enables numlock
diff --git a/keyboards/converter/modelm_ssk/modelm_ssk.c b/keyboards/converter/modelm_ssk/modelm_ssk.c
new file mode 100644
index 0000000000..1b01115e5d
--- /dev/null
+++ b/keyboards/converter/modelm_ssk/modelm_ssk.c
@@ -0,0 +1,19 @@
+/* Copyright 2019 iw0rm3r
+ *
+ * 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 "modelm_ssk.h"
+
+
+
diff --git a/keyboards/converter/modelm_ssk/modelm_ssk.h b/keyboards/converter/modelm_ssk/modelm_ssk.h
new file mode 100644
index 0000000000..5c4b9b80ea
--- /dev/null
+++ b/keyboards/converter/modelm_ssk/modelm_ssk.h
@@ -0,0 +1,45 @@
+/* Copyright 2019-2021 iw0rm3r, tiltowait
+ *
+ * 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/>.
+ */
+#pragma once
+
+#include "quantum.h"
+
+/* This a shortcut to help you visually see your layout.
+ * The first section contains "names" for physical keys of the keyboard
+ * and defines their position on the board.
+ * The second section defines position of the keys on the switch matrix
+ * (where COLUMNS and ROWS crosses). */
+
+#define LAYOUT( \
+ K5A, K5B, K5C, K5D, K5E, K5F, K5G, K5H, K5I, K5J, K5K, K5L, K5M, K5N, K5O, K5P, \
+ \
+ K4A, K4B, K4C, K4D, K4E, K4F, K4G, K4H, K4I, K4J, K4K, K4L, K4M, K4N, K4O, K4P, K4Q, \
+ K3A, K3B, K3C, K3D, K3E, K3F, K3G, K3H, K3I, K3J, K3K, K3L, K3M, K3N, K3O, K3P, K3Q, \
+ K2A, K2B, K2C, K2D, K2E, K2F, K2G, K2H, K2I, K2J, K2K, K2L, K2M, K2N, \
+ K1A, K1B, K1C, K1D, K1E, K1F, K1G, K1H, K1I, K1J, K1K, K1L, K1M, K1N, \
+ K0A, K0B, K0C, K0D, K0E, K0F, K0G, K0H \
+) \
+{ \
+/* 00 */ { KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, K1G, K0C, K1H, KC_NO, KC_NO, K1L, K0G, K0H, KC_NO, K0F, K0D }, \
+/* 01 */ { K0E, K1M, K1C, K1D, K1E, K1F, K2N, K1I, K1J, K1K, KC_NO, KC_NO, KC_NO, KC_NO, K5P, KC_NO }, \
+/* 02 */ { KC_NO, KC_NO, K2B, K2C, K2D, K2E, K3N, K2H, K2I, K2J, K2K, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO }, \
+/* 03 */ { KC_NO, KC_NO, K3B, K3C, K3D, K3E, KC_NO, K3H, K3I, K3J, K3K, KC_NO, KC_NO, KC_NO, KC_NO, K5O }, \
+/* 04 */ { KC_NO, KC_NO, K4B, K4C, K4D, K4E, K5K, K4H, K4I, K4J, K4K, K5L, K5M, K3Q, K3P, K5N }, \
+/* 05 */ { K0A, KC_NO, K4A, K5B, K5C, K4F, K5J, K4G, K4M, K5I, K4L, K3O, K4O, K4Q, K4P, KC_NO }, \
+/* 06 */ { KC_NO, K1A, K3A, K2A, K5D, K3F, K4N, K3G, K3M, K5H, K3L, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO }, \
+/* 07 */ { KC_NO, KC_NO, K5A, KC_NO, K5E, K2F, K5F, K2G, K5G, KC_NO, K2L, KC_NO, KC_NO, KC_NO, K1N, K0B }, \
+}
+/* 0 1 2 3 4 5 6 7 8 9 A B C D E F */
diff --git a/keyboards/converter/modelm_ssk/readme.md b/keyboards/converter/modelm_ssk/readme.md
new file mode 100644
index 0000000000..8105a0c2df
--- /dev/null
+++ b/keyboards/converter/modelm_ssk/readme.md
@@ -0,0 +1,55 @@
+# modelm_ssk
+
+![IBM Model M Space-Saving Keyboard](https://i.imgur.com/CSXrQI5.jpg)
+
+This is a QMK firmware configuration for the IBM Model M Space-Saving Keyboard (SSK). Based on [this project](https://github.com/qmk/qmk_firmware/tree/master/keyboards/converter/modelm101), it features a few slight improvements and, most importantly, a full remapping to match the SSK's matrix, which differs from its full-sized cousins. The modification is easily reversible, as no part of the keyboard is permanently changed. Just take out the replacement controller and reinstall the original, should you desire.
+
+The numpad layer (accessed with Shift + Scroll Lock as with the original controller) is mapped to layer 7 by default. All non-numpad keys are transparent.
+
+**Note:** As of this writing, this configuration has only been tested on the 1392464 SSK. It's