diff --git a/extmod/modTrezorUi/modTrezorUi-stmhal.h b/extmod/modTrezorUi/modTrezorUi-stmhal.h
index ab4fd618..8763d846 100644
--- a/extmod/modTrezorUi/modTrezorUi-stmhal.h
+++ b/extmod/modTrezorUi/modTrezorUi-stmhal.h
@@ -95,21 +95,31 @@ static void display_unsleep(void) {
     CMD(0x29); // display
 }
 
+static uint8_t WINDOW_OFFSET_X = 0, WINDOW_OFFSET_Y = 0;
+
 static void display_orientation(uint16_t degrees)
 {
     // memory access control
     switch (degrees) {
         case 0:
-            CMD(0x36); DATA(0x08);
+            CMD(0x36); DATA(0x08 | (1<<6) | (1<<7));
+            WINDOW_OFFSET_X = 0;
+            WINDOW_OFFSET_Y = 80;
             break;
         case 90:
-            CMD(0x36); DATA(0x08);
+            CMD(0x36); DATA(0x08 | (1<<5) | (1<<6));
+            WINDOW_OFFSET_X = 0;
+            WINDOW_OFFSET_Y = 0;
             break;
         case 180:
             CMD(0x36); DATA(0x08);
+            WINDOW_OFFSET_X = 0;
+            WINDOW_OFFSET_Y = 0;
             break;
         case 270:
-            CMD(0x36); DATA(0x08);
+            CMD(0x36); DATA(0x08 | (1<<5) | (1<<7));
+            WINDOW_OFFSET_X = 80;
+            WINDOW_OFFSET_Y = 0;
             break;
     }
 }
@@ -142,11 +152,21 @@ static void display_init(void) {
     display_unsleep();
 }
 
-static void display_set_window(uint8_t x, uint8_t y, uint8_t w, uint8_t h) {
-    CMD(0x2A); DATA(0); DATA(x); DATA(0); DATA(x + w - 1); // column addr set
-    CMD(0x2B); DATA(0); DATA(y); DATA(0); DATA(y + h - 1); // row addr set
+static void display_set_window(uint16_t x, uint16_t y, uint16_t w, uint16_t h) {
+    x += WINDOW_OFFSET_X;
+    y += WINDOW_OFFSET_Y;
+    uint16_t x1 = x + w - 1;
+    uint16_t y1 = y + h - 1;
+    CMD(0x2A); DATA(x >> 8); DATA(x & 0xFF); DATA(x1 >> 8); DATA(x1 & 0xFF); // column addr set
+    CMD(0x2B); DATA(y >> 8); DATA(y & 0xFF); DATA(y1 >> 8); DATA(y1 & 0xFF); // row addr set
     CMD(0x2C);
 }
 
 static void display_update(void) {
 }
+
+static void display_rawcmd(uint8_t reg, uint8_t *data, int datalen)
+{
+    CMD(reg);
+    DATAS(data, datalen);
+}
diff --git a/extmod/modTrezorUi/modTrezorUi-unix.h b/extmod/modTrezorUi/modTrezorUi-unix.h
index 4e7e8fab..30bf781b 100644
--- a/extmod/modTrezorUi/modTrezorUi-unix.h
+++ b/extmod/modTrezorUi/modTrezorUi-unix.h
@@ -55,7 +55,7 @@ static void display_init(void)
     SDL_inited = 1;
 }
 
-static void display_set_window(uint8_t x, uint8_t y, uint8_t w, uint8_t h) {
+static void display_set_window(uint16_t x, uint16_t y, uint16_t w, uint16_t h) {
     if (!SDL_inited) return;
     SX = x; SY = y;
     EX = x + w - 1; EY = y + h - 1;
@@ -77,3 +77,7 @@ static void display_orientation(int degrees)
     ROTATION = degrees;
     display_update();
 }
+
+static void display_rawcmd(uint8_t reg, uint8_t *data, int datalen)
+{
+}
diff --git a/extmod/modTrezorUi/modTrezorUi.c b/extmod/modTrezorUi/modTrezorUi.c
index 439ff6bd..39b9accf 100644
--- a/extmod/modTrezorUi/modTrezorUi.c
+++ b/extmod/modTrezorUi/modTrezorUi.c
@@ -26,8 +26,6 @@
 #error Unsupported port. Only STMHAL and UNIX ports are supported.
 #endif
 
-#define SINF_WRITE DATA
-
 #include "modTrezorUi-inflate.h"
 #include "modTrezorUi-font_Roboto.h"
 #include "modTrezorUi-font_RobotoMono.h"
@@ -257,6 +255,16 @@ STATIC mp_obj_t mod_TrezorUi_Display_orientation(mp_obj_t self, mp_obj_t degrees
 }
 MP_DEFINE_CONST_FUN_OBJ_2(mod_TrezorUi_Display_orientation_obj, mod_TrezorUi_Display_orientation);
 
+// def Display.rawcmd(self, reg: int, data: bytes) -> None:
+STATIC mp_obj_t mod_TrezorUi_Display_rawcmd(mp_obj_t self, mp_obj_t reg, mp_obj_t data) {
+    mp_int_t r = mp_obj_get_int(reg);
+    mp_buffer_info_t bufinfo;
+    mp_get_buffer_raise(data, &bufinfo, MP_BUFFER_READ);
+    display_rawcmd(r, bufinfo.buf, bufinfo.len);
+    return mp_const_none;
+}
+MP_DEFINE_CONST_FUN_OBJ_3(mod_TrezorUi_Display_rawcmd_obj, mod_TrezorUi_Display_rawcmd);
+
 STATIC const mp_rom_map_elem_t mod_TrezorUi_Display_locals_dict_table[] = {
     { MP_ROM_QSTR(MP_QSTR_bar), MP_ROM_PTR(&mod_TrezorUi_Display_bar_obj) },
     { MP_ROM_QSTR(MP_QSTR_blit), MP_ROM_PTR(&mod_TrezorUi_Display_blit_obj) },
@@ -264,6 +272,7 @@ STATIC const mp_rom_map_elem_t mod_TrezorUi_Display_locals_dict_table[] = {
     { MP_ROM_QSTR(MP_QSTR_icon), MP_ROM_PTR(&mod_TrezorUi_Display_icon_obj) },
     { MP_ROM_QSTR(MP_QSTR_text), MP_ROM_PTR(&mod_TrezorUi_Display_text_obj) },
     { MP_ROM_QSTR(MP_QSTR_orientation), MP_ROM_PTR(&mod_TrezorUi_Display_orientation_obj) },
+    { MP_ROM_QSTR(MP_QSTR_rawcmd), MP_ROM_PTR(&mod_TrezorUi_Display_rawcmd_obj) },
 };
 STATIC MP_DEFINE_CONST_DICT(mod_TrezorUi_Display_locals_dict, mod_TrezorUi_Display_locals_dict_table);