diff --git a/keyboards/id80/ansi/keymaps/msf/config.h b/keyboards/id80/ansi/keymaps/msf/config.h
new file mode 100644
index 00000000000..4f3cc95f306
--- /dev/null
+++ b/keyboards/id80/ansi/keymaps/msf/config.h
@@ -0,0 +1,24 @@
+/* Copyright 2021 msf@github
+ *
+ * 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 .
+ */
+
+/*
+ Set any config.h overrides for your specific keymap here.
+ See config.h options at https://docs.qmk.fm/#/config_options?id=the-configh-file
+*/
+#pragma once
+
+#define COMBO_COUNT 3
+#define COMBO_TERM 200
diff --git a/keyboards/id80/ansi/keymaps/msf/keymap.c b/keyboards/id80/ansi/keymaps/msf/keymap.c
new file mode 100644
index 00000000000..6bb91f0f19e
--- /dev/null
+++ b/keyboards/id80/ansi/keymaps/msf/keymap.c
@@ -0,0 +1,59 @@
+/* Copyright 2021 Miguel Filipe
+ *
+ * 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 .
+ */
+#include QMK_KEYBOARD_H
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+ [0] = LAYOUT(
+ KC_ESC, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_VOLD, KC_VOLU, KC_F8, KC_F9, KC_F10, KC_PSTE, KC_PSCR, KC_DEL, MO(1),
+ 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_HOME,
+ 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_END,
+ 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, KC_RCTL, KC_LEFT, KC_DOWN, KC_RGHT
+ ),
+ [1] = LAYOUT(
+ RESET, KC_CALC, _______, _______, _______, KC_MUTE, KC_F6, KC_F7, KC_MPLY, KC_MSTP, KC_BRID, KC_BRIU, KC_F11, KC_F12, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, KC_INS,
+ _______, RGB_TOG, _______, RGB_MOD, RGB_HUI, RGB_HUD, RGB_SAI, RGB_SAD, RGB_VAI, RGB_VAD, _______, _______, _______, _______, KC_DEL,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, BL_DEC, BL_TOGG, BL_INC, NK_TOGG, _______, _______, _______, _______, _______, BL_INC,
+ _______, _______, _______, _______, _______, _______, BL_TOGG, BL_DEC, BL_STEP
+ ),
+ [2] = LAYOUT(
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______
+ ),
+};
+
+enum combos {
+ SLSHDN_PGDN,
+ SLSHUP_PGUP,
+ RALTBKSPC_DELETE,
+};
+
+const uint16_t PROGMEM slashDown_combo[] = {KC_SLSH, KC_DOWN, COMBO_END};
+const uint16_t PROGMEM slashUp_combo[] = {KC_SLSH, KC_UP, COMBO_END};
+const uint16_t PROGMEM raltBackspace_combo[] = {KC_RALT, KC_BSPACE, COMBO_END};
+
+combo_t key_combos[COMBO_COUNT] = {
+ [SLSHDN_PGDN] = COMBO(slashDown_combo, KC_PGDN),
+ [SLSHUP_PGUP] = COMBO(slashUp_combo, KC_PGUP),
+ [RALTBKSPC_DELETE] = COMBO(raltBackspace_combo, KC_DEL),
+};
diff --git a/keyboards/id80/ansi/keymaps/msf/readme.md b/keyboards/id80/ansi/keymaps/msf/readme.md
new file mode 100644
index 00000000000..7ab300f672b
--- /dev/null
+++ b/keyboards/id80/ansi/keymaps/msf/readme.md
@@ -0,0 +1,4 @@
+# slightly modified:
+- some key combos
+- don't use f-keys,
+- pgup/down, home/end tweaks
diff --git a/keyboards/id80/ansi/keymaps/msf/rules.mk b/keyboards/id80/ansi/keymaps/msf/rules.mk
new file mode 100644
index 00000000000..ab1e438182a
--- /dev/null
+++ b/keyboards/id80/ansi/keymaps/msf/rules.mk
@@ -0,0 +1 @@
+COMBO_ENABLE = yes