diff --git a/3dprint/buttons.scad b/3dprint/buttons.scad
index 5424bcf..a60efc6 100644
--- a/3dprint/buttons.scad
+++ b/3dprint/buttons.scad
@@ -51,7 +51,7 @@ button_height = 8;
 button_small_width = 8;
 button_small_height = 8;
 
-render_text = false;
+render_text = true;
 render_button = true;
 
 row_length = 4;
diff --git a/3dprint/panel.scad b/3dprint/panel.scad
index b31a902..de20c18 100644
--- a/3dprint/panel.scad
+++ b/3dprint/panel.scad
@@ -206,7 +206,7 @@ module side(rightside = false) {
     }
 }
 
-render_panel = false;
+render_panel = true;
 render_case = true;
 
 mount_screw_diam = 4+wiggle_room;
diff --git a/CMakeLists.txt b/CMakeLists.txt
index a0c14fb..b7c2434 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -43,7 +43,7 @@ target_link_libraries(ledtest pico_stdlib hardware_pio)
 pico_add_extra_outputs(ledtest)
 
 add_executable(lcdtest
-  src/lcdtest.c
+  src/lcdtest.c src/lcdbus.c src/lcd_ui.c
 )
 
 pico_generate_pio_header(lcdtest ${CMAKE_CURRENT_LIST_DIR}/src/lcdbus.pio)
diff --git a/hw/rp2040_radio/rp2040_radio.kicad_sch b/hw/rp2040_radio/rp2040_radio.kicad_sch
index 84993ab..fabf081 100644
--- a/hw/rp2040_radio/rp2040_radio.kicad_sch
+++ b/hw/rp2040_radio/rp2040_radio.kicad_sch
@@ -5,101 +5,6 @@
   (paper "A4")
 
   (lib_symbols
-    (symbol "74xx:74HC165" (in_bom yes) (on_board yes)
-      (property "Reference" "U" (at -7.62 19.05 0)
-        (effects (font (size 1.27 1.27)))
-      )
-      (property "Value" "74HC165" (at -7.62 -21.59 0)
-        (effects (font (size 1.27 1.27)))
-      )
-      (property "Footprint" "" (at 0 0 0)
-        (effects (font (size 1.27 1.27)) hide)
-      )
-      (property "Datasheet" "https://assets.nexperia.com/documents/data-sheet/74HC_HCT165.pdf" (at 0 0 0)
-        (effects (font (size 1.27 1.27)) hide)
-      )
-      (property "ki_keywords" "8 bit shift register parallel load cmos" (at 0 0 0)
-        (effects (font (size 1.27 1.27)) hide)
-      )
-      (property "ki_description" "Shift Register, 8-bit, Parallel Load" (at 0 0 0)
-        (effects (font (size 1.27 1.27)) hide)
-      )
-      (property "ki_fp_filters" "DIP?16* SO*16*3.9x9.9mm*P1.27mm* SSOP*16*5.3x6.2mm*P0.65mm* TSSOP*16*4.4x5mm*P0.65*" (at 0 0 0)
-        (effects (font (size 1.27 1.27)) hide)
-      )
-      (symbol "74HC165_1_0"
-        (pin input line (at -12.7 -10.16 0) (length 5.08)
-          (name "~{PL}" (effects (font (size 1.27 1.27))))
-          (number "1" (effects (font (size 1.27 1.27))))
-        )
-        (pin input line (at -12.7 15.24 0) (length 5.08)
-          (name "DS" (effects (font (size 1.27 1.27))))
-          (number "10" (effects (font (size 1.27 1.27))))
-        )
-        (pin input line (at -12.7 12.7 0) (length 5.08)
-          (name "D0" (effects (font (size 1.27 1.27))))
-          (number "11" (effects (font (size 1.27 1.27))))
-        )
-        (pin input line (at -12.7 10.16 0) (length 5.08)
-          (name "D1" (effects (font (size 1.27 1.27))))
-          (number "12" (effects (font (size 1.27 1.27))))
-        )
-        (pin input line (at -12.7 7.62 0) (length 5.08)
-          (name "D2" (effects (font (size 1.27 1.27))))
-          (number "13" (effects (font (size 1.27 1.27))))
-        )
-        (pin input line (at -12.7 5.08 0) (length 5.08)
-          (name "D3" (effects (font (size 1.27 1.27))))
-          (number "14" (effects (font (size 1.27 1.27))))
-        )
-        (pin input line (at -12.7 -17.78 0) (length 5.08)
-          (name "~{CE}" (effects (font (size 1.27 1.27))))
-          (number "15" (effects (font (size 1.27 1.27))))
-        )
-        (pin power_in line (at 0 22.86 270) (length 5.08)
-          (name "VCC" (effects (font (size 1.27 1.27))))
-          (number "16" (effects (font (size 1.27 1.27))))
-        )
-        (pin input line (at -12.7 -15.24 0) (length 5.08)
-          (name "CP" (effects (font (size 1.27 1.27))))
-          (number "2" (effects (font (size 1.27 1.27))))
-        )
-        (pin input line (at -12.7 2.54 0) (length 5.08)
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-          (number "3" (effects (font (size 1.27 1.27))))
-        )
-        (pin input line (at -12.7 0 0) (length 5.08)
-          (name "D5" (effects (font (size 1.27 1.27))))
-          (number "4" (effects (font (size 1.27 1.27))))
-        )
-        (pin input line (at -12.7 -2.54 0) (length 5.08)
-          (name "D6" (effects (font (size 1.27 1.27))))
-          (number "5" (effects (font (size 1.27 1.27))))
-        )
-        (pin input line (at -12.7 -5.08 0) (length 5.08)
-          (name "D7" (effects (font (size 1.27 1.27))))
-          (number "6" (effects (font (size 1.27 1.27))))
-        )
-        (pin output line (at 12.7 12.7 180) (length 5.08)
-          (name "~{Q7}" (effects (font (size 1.27 1.27))))
-          (number "7" (effects (font (size 1.27 1.27))))
-        )
-        (pin power_in line (at 0 -25.4 90) (length 5.08)
-          (name "GND" (effects (font (size 1.27 1.27))))
-          (number "8" (effects (font (size 1.27 1.27))))
-        )
-        (pin output line (at 12.7 15.24 180) (length 5.08)
-          (name "Q7" (effects (font (size 1.27 1.27))))
-          (number "9" (effects (font (size 1.27 1.27))))
-        )
-      )
-      (symbol "74HC165_1_1"
-        (rectangle (start -7.62 17.78) (end 7.62 -20.32)
-          (stroke (width 0.254) (type default))
-          (fill (type background))
-        )
-      )
-    )
     (symbol "74xx:74HC595" (in_bom yes) (on_board yes)
       (property "Reference" "U" (at -7.62 13.97 0)
         (effects (font (size 1.27 1.27)))
@@ -195,400 +100,6 @@
         )
       )
     )
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-      (property "Reference" "U" (at 0 1.27 0)
-        (effects (font (size 1.27 1.27)))
-      )
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-        (effects (font (size 1.27 1.27)))
-      )
-      (property "Footprint" "" (at 0 0 0)
-        (effects (font (size 1.27 1.27)) hide)
-      )
-      (property "Datasheet" "http://www.ti.com/lit/gpn/sn74ls00" (at 0 0 0)
-        (effects (font (size 1.27 1.27)) hide)
-      )
-      (property "ki_locked" "" (at 0 0 0)
-        (effects (font (size 1.27 1.27)))
-      )
-      (property "ki_keywords" "TTL nand 2-input" (at 0 0 0)
-        (effects (font (size 1.27 1.27)) hide)
-      )
-      (property "ki_description" "quad 2-input NAND gate" (at 0 0 0)
-        (effects (font (size 1.27 1.27)) hide)
-      )
-      (property "ki_fp_filters" "DIP*W7.62mm* SO14*" (at 0 0 0)
-        (effects (font (size 1.27 1.27)) hide)
-      )
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-        (arc (start 0 -3.81) (mid 3.7934 0) (end 0 3.81)
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-          )
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-          (stroke (width 0.254) (type default))
-          (fill (type background))
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-        (pin input inverted (at -7.62 2.54 0) (length 4.318)
-          (name "~" (effects (font (size 1.27 1.27))))
-          (number "1" (effects (font (size 1.27 1.27))))
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-        (pin input inverted (at -7.62 -2.54 0) (length 4.318)
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-        (pin output line (at 7.62 0 180) (length 3.81)
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-          (number "3" (effects (font (size 1.27 1.27))))
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-        (pin input line (at -7.62 -2.54 0) (length 3.81)
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-        (pin output inverted (at 7.62 0 180) (length 3.81)
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-          (number "6" (effects (font (size 1.27 1.27))))
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@@ -977,45 +488,6 @@
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-      )
-      (property "Value" "R_Small" (at 0.762 -1.016 0)
-        (effects (font (size 1.27 1.27)) (justify left))
-      )
-      (property "Footprint" "" (at 0 0 0)
-        (effects (font (size 1.27 1.27)) hide)
-      )
-      (property "Datasheet" "~" (at 0 0 0)
-        (effects (font (size 1.27 1.27)) hide)
-      )
-      (property "ki_keywords" "R resistor" (at 0 0 0)
-        (effects (font (size 1.27 1.27)) hide)
-      )
-      (property "ki_description" "Resistor, small symbol" (at 0 0 0)
-        (effects (font (size 1.27 1.27)) hide)
-      )
-      (property "ki_fp_filters" "R_*" (at 0 0 0)
-        (effects (font (size 1.27 1.27)) hide)
-      )
-      (symbol "R_Small_0_1"
-        (rectangle (start -0.762 1.778) (end 0.762 -1.778)
-          (stroke (width 0.2032) (type default))
-          (fill (type none))
-        )
-      )
-      (symbol "R_Small_1_1"
-        (pin passive line (at 0 2.54 270) (length 0.762)
-          (name "~" (effects (font (size 1.27 1.27))))
-          (number "1" (effects (font (size 1.27 1.27))))
-        )
-        (pin passive line (at 0 -2.54 90) (length 0.762)
-          (name "~" (effects (font (size 1.27 1.27))))
-          (number "2" (effects (font (size 1.27 1.27))))
-        )
-      )
-    )
     (symbol "power:+3V3" (power) (pin_names (offset 0)) (in_bom yes) (on_board yes)
       (property "Reference" "#PWR" (at 0 -3.81 0)
         (effects (font (size 1.27 1.27)) hide)
@@ -1068,58 +540,6 @@
         )
       )
     )
-    (symbol "power:+5V" (power) (pin_names (offset 0)) (in_bom yes) (on_board yes)
-      (property "Reference" "#PWR" (at 0 -3.81 0)
-        (effects (font (size 1.27 1.27)) hide)
-      )
-      (property "Value" "+5V" (at 0 3.556 0)
-        (effects (font (size 1.27 1.27)))
-      )
-      (property "Footprint" "" (at 0 0 0)
-        (effects (font (size 1.27 1.27)) hide)
-      )
-      (property "Datasheet" "" (at 0 0 0)
-        (effects (font (size 1.27 1.27)) hide)
-      )
-      (property "ki_keywords" "global power" (at 0 0 0)
-        (effects (font (size 1.27 1.27)) hide)
-      )
-      (property "ki_description" "Power symbol creates a global label with name \"+5V\"" (at 0 0 0)
-        (effects (font (size 1.27 1.27)) hide)
-      )
-      (symbol "+5V_0_1"
-        (polyline
-          (pts
-            (xy -0.762 1.27)
-            (xy 0 2.54)
-          )
-          (stroke (width 0) (type default))
-          (fill (type none))
-        )
-        (polyline
-          (pts
-            (xy 0 0)
-            (xy 0 2.54)
-          )
-          (stroke (width 0) (type default))
-          (fill (type none))
-        )
-        (polyline
-          (pts
-            (xy 0 2.54)
-            (xy 0.762 1.27)
-          )
-          (stroke (width 0) (type default))
-          (fill (type none))
-        )
-      )
-      (symbol "+5V_1_1"
-        (pin power_in line (at 0 0 90) (length 0) hide
-          (name "+5V" (effects (font (size 1.27 1.27))))
-          (number "1" (effects (font (size 1.27 1.27))))
-        )
-      )
-    )
     (symbol "power:GND" (power) (pin_names (offset 0)) (in_bom yes) (on_board yes)
       (property "Reference" "#PWR" (at 0 -6.35 0)
         (effects (font (size 1.27 1.27)) hide)
@@ -1361,44 +781,17 @@
     )
   )
 
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-    (uuid 0120875d-6a3d-4f4f-8289-bbdf61e71cbb)
-  )
-  (junction (at 182.88 82.55) (diameter 0) (color 0 0 0 0)
-    (uuid 043d6f36-a8a8-4025-aa24-7dfd22ed9863)
+  (junction (at 124.46 118.11) (diameter 0) (color 0 0 0 0)
+    (uuid 06db332c-27a6-43e5-98ae-16efd7252074)
   )
   (junction (at 119.38 78.74) (diameter 0) (color 0 0 0 0)
     (uuid 08bb74aa-29e9-4517-a465-07591e6c621a)
   )
-  (junction (at 152.4 35.56) (diameter 0) (color 0 0 0 0)
-    (uuid 108615ce-8327-482b-bfff-cf9a86c17881)
+  (junction (at 99.695 81.28) (diameter 0) (color 0 0 0 0)
+    (uuid 1651b4c5-05b4-46f8-acd8-fc74f1d033b3)
   )
-  (junction (at 185.42 67.31) (diameter 0) (color 0 0 0 0)
-    (uuid 1a896b41-d878-4723-b4d9-ac6dce1fe983)
-  )
-  (junction (at 154.94 40.64) (diameter 0) (color 0 0 0 0)
-    (uuid 2cb1d08c-70e6-4d88-9788-c096fc6695c4)
-  )
-  (junction (at 165.1 107.95) (diameter 0) (color 0 0 0 0)
-    (uuid 35de492e-cbc7-4917-be56-ae82ff2396d5)
-  )
-  (junction (at 170.18 118.11) (diameter 0) (color 0 0 0 0)
-    (uuid 37a8d0e4-92c0-4069-9257-3290e2050b8f)
-  )
-  (junction (at 166.37 110.49) (diameter 0) (color 0 0 0 0)
-    (uuid 4cd2fb9c-e679-4832-b6c2-7ae0d0047b33)
-  )
-  (junction (at 124.46 81.28) (diameter 0) (color 0 0 0 0)
-    (uuid 530ae894-c6a5-4c4d-a0f2-c5c578b57f9c)
-  )
-  (junction (at 142.24 83.82) (diameter 0) (color 0 0 0 0)
-    (uuid 5bea2673-1442-4588-9a28-26aeecbc5900)
-  )
-  (junction (at 139.7 93.98) (diameter 0) (color 0 0 0 0)
-    (uuid 644d90e0-de05-43cd-a527-80a71ce4f195)
-  )
-  (junction (at 163.83 105.41) (diameter 0) (color 0 0 0 0)
-    (uuid 7393716b-852a-4102-b39c-0c714d1a69b2)
+  (junction (at 139.7 132.08) (diameter 0) (color 0 0 0 0)
+    (uuid 21c52832-979a-4162-998d-c2199ef4f440)
   )
   (junction (at 233.68 16.51) (diameter 0) (color 0 0 0 0)
     (uuid 76435a3b-6f10-4aa1-a0c9-f9f71e5b72fc)
@@ -1406,54 +799,12 @@
   (junction (at 121.92 73.66) (diameter 0) (color 0 0 0 0)
     (uuid 774c05fc-1be8-47d9-9504-0c8f3757bef6)
   )
-  (junction (at 167.64 113.03) (diameter 0) (color 0 0 0 0)
-    (uuid 864e67f2-ffea-45c2-a262-0f991222cf25)
-  )
   (junction (at 139.7 95.25) (diameter 0) (color 0 0 0 0)
     (uuid 93fd6cd5-8777-4a03-9864-de65c046331a)
   )
   (junction (at 139.7 29.21) (diameter 0) (color 0 0 0 0)
     (uuid 95045ac6-4a18-4e30-917a-b8fd32bc9fed)
   )
-  (junction (at 124.46 93.98) (diameter 0) (color 0 0 0 0)
-    (uuid 98bb616b-4e0b-4eca-bfa6-28cafe8fa22d)
-  )
-  (junction (at 201.93 73.66) (diameter 0) (color 0 0 0 0)
-    (uuid 9bf8a880-8405-475e-b32f-41c5e85850f5)
-  )
-  (junction (at 160.02 50.8) (diameter 0) (color 0 0 0 0)
-    (uuid 9ca6390e-a7f9-49ea-bc15-871922479965)
-  )
-  (junction (at 162.56 102.87) (diameter 0) (color 0 0 0 0)
-    (uuid aed347f3-4ba5-4703-b54d-c7afcd167651)
-  )
-  (junction (at 157.48 45.72) (diameter 0) (color 0 0 0 0)
-    (uuid bed1f9e2-c947-4e2d-996f-8a32c5d673ad)
-  )
-  (junction (at 158.75 48.26) (diameter 0) (color 0 0 0 0)
-    (uuid c21695b3-8fe7-490b-a111-96a46780ad24)
-  )
-  (junction (at 171.45 120.65) (diameter 0) (color 0 0 0 0)
-    (uuid c3b332f6-7aae-40de-a14c-775ab060c444)
-  )
-  (junction (at 121.92 83.82) (diameter 0) (color 0 0 0 0)
-    (uuid cd928df0-13a8-4253-8f84-6717b5630d46)
-  )
-  (junction (at 119.38 67.31) (diameter 0) (color 0 0 0 0)
-    (uuid d53ab1dd-294d-414d-8d38-c2bd490177a1)
-  )
-  (junction (at 156.21 43.18) (diameter 0) (color 0 0 0 0)
-    (uuid e35846de-168e-48c2-848c-226e8e7ec78a)
-  )
-  (junction (at 161.29 53.34) (diameter 0) (color 0 0 0 0)
-    (uuid e92bcc5f-e0c9-44de-87a7-50bad395734b)
-  )
-  (junction (at 201.93 142.24) (diameter 0) (color 0 0 0 0)
-    (uuid f2fa4561-a723-4d00-80e3-cb7bb652f6e0)
-  )
-  (junction (at 153.67 38.1) (diameter 0) (color 0 0 0 0)
-    (uuid f7cd5262-8096-47ba-b9dc-8d41d303a52e)
-  )
 
   (no_connect (at 260.35 80.01) (uuid 0add54d0-adfc-47f5-af75-7f8287353ce1))
   (no_connect (at 247.65 36.83) (uuid 4239c0e8-b08f-4c6f-9225-4147dfa77b81))
@@ -1461,10 +812,6 @@
   (no_connect (at 247.65 80.01) (uuid e6ddfb5d-1738-4fac-be16-478a1a7e48ed))
   (no_connect (at 247.65 74.93) (uuid f6a7f714-caa7-44e7-824d-470a116b00fb))
 
-  (bus_entry (at 30.48 71.12) (size 2.54 2.54)
-    (stroke (width 0) (type default))
-    (uuid 03ec3ad4-a361-42d0-9586-917fa480bd4c)
-  )
   (bus_entry (at 163.83 16.51) (size -2.54 2.54)
     (stroke (width 0) (type default))
     (uuid 06bfd635-3b25-436b-969c-fcc625cf0b33)
@@ -1529,6 +876,10 @@
     (stroke (width 0) (type default))
     (uuid 4fd291b1-f02f-49e1-b8c9-9dbe42e378e7)
   )
+  (bus_entry (at 99.695 16.51) (size -2.54 2.54)
+    (stroke (width 0) (type default))
+    (uuid 511c73fe-cac0-4d3d-983e-aa2a531f2aa6)
+  )
   (bus_entry (at 270.51 34.29) (size -2.54 2.54)
     (stroke (width 0) (type default))
     (uuid 53697879-2a0f-4d48-b96c-884be410e56b)
@@ -1573,10 +924,6 @@
     (stroke (width 0) (type default))
     (uuid a5d0924e-28ab-4b7c-92ce-1ded1ce4d891)
   )
-  (bus_entry (at 30.48 68.58) (size 2.54 2.54)
-    (stroke (width 0) (type default))
-    (uuid a9a8b530-b753-402b-8a2b-c4aee0f75a7e)
-  )
   (bus_entry (at 156.21 16.51) (size -2.54 2.54)
     (stroke (width 0) (type default))
     (uuid af36f6f3-24bc-4962-b46b-185a479053b9)
@@ -1589,7 +936,7 @@
     (stroke (width 0) (type default))
     (uuid b8e9b49d-7493-4e1f-9306-7a5304a4540e)
   )
-  (bus_entry (at 30.48 66.04) (size 2.54 2.54)
+  (bus_entry (at 27.305 78.74) (size 2.54 2.54)
     (stroke (width 0) (type default))
     (uuid bc6b2786-da95-452f-aa34-446de3be46cb)
   )
@@ -1597,9 +944,9 @@
     (stroke (width 0) (type default))
     (uuid bcc8dc75-81b4-4f13-be88-d7ab7b38c6fd)
   )
-  (bus_entry (at 30.48 78.74) (size 2.54 2.54)
+  (bus_entry (at 41.275 16.51) (size -2.54 2.54)
     (stroke (width 0) (type default))
-    (uuid bda1b802-20f7-4236-acad-a08329f4dc9c)
+    (uuid c9024786-9db2-401e-8b7b-48a7e1b2e398)
   )
   (bus_entry (at 165.1 16.51) (size -2.54 2.54)
     (stroke (width 0) (type default))
@@ -1613,14 +960,18 @@
     (stroke (width 0) (type default))
     (uuid d502b8a7-54ac-43e4-8d42-077df0357401)
   )
-  (bus_entry (at 30.48 76.2) (size 2.54 2.54)
-    (stroke (width 0) (type default))
-    (uuid d6a9e992-82cd-4e4c-b111-46578899c080)
-  )
   (bus_entry (at 173.99 16.51) (size -2.54 2.54)
     (stroke (width 0) (type default))
     (uuid d8d67fbf-641d-4b12-a78a-68d902030dff)
   )
+  (bus_entry (at 102.235 16.51) (size -2.54 2.54)
+    (stroke (width 0) (type default))
+    (uuid db557ee9-14f1-4733-9a5c-b0b80ae05d44)
+  )
+  (bus_entry (at 104.775 16.51) (size -2.54 2.54)
+    (stroke (width 0) (type default))
+    (uuid dfd39add-2be5-4c76-8aa8-f5d98ecc2fba)
+  )
   (bus_entry (at 270.51 46.99) (size -2.54 2.54)
     (stroke (width 0) (type default))
     (uuid e0172ecc-10bb-4d07-9d2b-20cde79e13c3)
@@ -1634,19 +985,15 @@
     (stroke (width 0) (type default))
     (uuid 003ff46a-b4ad-4521-bd92-0b204dda9ed3)
   )
-  (wire (pts (xy 119.38 67.31) (xy 119.38 78.74))
+  (wire (pts (xy 99.695 81.28) (xy 85.09 81.28))
     (stroke (width 0) (type default))
-    (uuid 01436a3b-0c72-4163-83dd-0ff9e2dede18)
+    (uuid 03ca4a39-f40a-4a59-96eb-1870aa8d9d4e)
   )
   (bus (pts (xy 233.68 44.45) (xy 233.68 46.99))
     (stroke (width 0) (type default))
     (uuid 0712651a-c808-4b7c-9f53-d02e6661c930)
   )
 
-  (wire (pts (xy 187.96 25.4) (xy 187.96 33.02))
-    (stroke (width 0) (type default))
-    (uuid 072e011b-f8c2-4735-942f-03e867bc79df)
-  )
   (wire (pts (xy 149.86 105.41) (xy 163.83 105.41))
     (stroke (width 0) (type default))
     (uuid 0771e7e0-2114-4c69-a0f7-90ec252af06c)
@@ -1656,10 +1003,6 @@
     (uuid 08aa724b-6755-4af9-a891-61312f9da06a)
   )
 
-  (wire (pts (xy 187.96 100.33) (xy 189.23 100.33))
-    (stroke (width 0) (type default))
-    (uuid 0920c123-598f-4d02-8fbc-358e3d69efb1)
-  )
   (wire (pts (xy 236.22 44.45) (xy 247.65 44.45))
     (stroke (width 0) (type default))
     (uuid 0c245733-551b-41af-99a3-c9c554daf2c0)
@@ -1680,22 +1023,10 @@
     (stroke (width 0) (type default))
     (uuid 0fa898ca-db9d-48f2-b3c0-a6723932267f)
   )
-  (wire (pts (xy 168.91 115.57) (xy 189.23 115.57))
-    (stroke (width 0) (type default))
-    (uuid 1057f96c-1c88-4ff8-b8b4-5dd6b9f0fbd5)
-  )
-  (wire (pts (xy 189.23 58.42) (xy 182.88 58.42))
-    (stroke (width 0) (type default))
-    (uuid 126b71f3-b53d-445c-9b3e-9d126e4291f1)
-  )
   (wire (pts (xy 151.13 76.2) (xy 127 76.2))
     (stroke (width 0) (type default))
     (uuid 12d49c9c-14d0-45bc-beba-e04326c12cbd)
   )
-  (wire (pts (xy 187.96 83.82) (xy 187.96 100.33))
-    (stroke (width 0) (type default))
-    (uuid 13f1ae5e-225e-43ab-8013-b371501aab2b)
-  )
   (wire (pts (xy 167.64 19.05) (xy 167.64 113.03))
     (stroke (width 0) (type default))
     (uuid 14a09129-77da-4f39-98ee-f006dc3ef9fe)
@@ -1713,22 +1044,14 @@
     (uuid 16971af9-7986-4a50-bc06-687953cc2857)
   )
 
-  (wire (pts (xy 135.255 93.98) (xy 139.7 93.98))
+  (wire (pts (xy 97.155 68.58) (xy 85.09 68.58))
     (stroke (width 0) (type default))
-    (uuid 1aff1ae3-4386-449e-a627-185bf55bcb1c)
-  )
-  (wire (pts (xy 170.18 118.11) (xy 189.23 118.11))
-    (stroke (width 0) (type default))
-    (uuid 1c1068f8-24b4-4362-b480-e04e5367b752)
+    (uuid 16cb8548-9e39-4eba-842c-59f7c5d08959)
   )
   (wire (pts (xy 237.49 77.47) (xy 247.65 77.47))
     (stroke (width 0) (type default))
     (uuid 1f1bac8d-b64f-4d8d-b3dd-508f6997a9e7)
   )
-  (wire (pts (xy 85.09 68.58) (xy 109.22 68.58))
-    (stroke (width 0) (type default))
-    (uuid 1f3434e7-32f5-40cf-9c20-71674c2c0a9d)
-  )
   (wire (pts (xy 129.54 35.56) (xy 111.76 35.56))
     (stroke (width 0) (type default))
     (uuid 22b1e78b-1432-42fb-8c0a-fc98ecde5b34)
@@ -1738,22 +1061,10 @@
     (uuid 27e08027-036d-4311-92f8-ad5280f64b23)
   )
 
-  (wire (pts (xy 182.88 82.55) (xy 182.88 125.73))
-    (stroke (width 0) (type default))
-    (uuid 280fb9c2-c2c6-4ecb-b012-579ac4164311)
-  )
   (wire (pts (xy 121.92 48.26) (xy 121.92 73.66))
     (stroke (width 0) (type default))
     (uuid 2944112c-5a46-481b-8144-9ebf2775a9d0)
   )
-  (wire (pts (xy 201.93 88.9) (xy 201.93 92.71))
-    (stroke (width 0) (type default))
-    (uuid 295ba5e0-d3af-428e-b8e1-a8a7c0e4029c)
-  )
-  (wire (pts (xy 151.13 125.73) (xy 151.13 146.05))
-    (stroke (width 0) (type default))
-    (uuid 29d952d3-fc55-4d14-ada0-6512c051228d)
-  )
   (wire (pts (xy 129.54 50.8) (xy 124.46 50.8))
     (stroke (width 0) (type default))
     (uuid 29f223f5-5a29-4409-86ec-f79885e3713f)
@@ -1766,18 +1077,10 @@
     (stroke (width 0) (type default))
     (uuid 2c560aa2-18ba-4c38-8bfd-104e664c0f6f)
   )
-  (wire (pts (xy 109.22 68.58) (xy 109.22 148.59))
-    (stroke (width 0) (type default))
-    (uuid 2d7b66f3-4166-443c-a5f5-c0eae1db4a95)
-  )
   (wire (pts (xy 149.86 45.72) (xy 157.48 45.72))
     (stroke (width 0) (type default))
     (uuid 328381f3-58de-42d6-bfc9-29fbcfadd4bd)
   )
-  (wire (pts (xy 187.96 66.04) (xy 187.96 73.66))
-    (stroke (width 0) (type default))
-    (uuid 33d6b93c-5bdf-4df4-974d-af24e1daeda8)
-  )
   (wire (pts (xy 260.35 39.37) (xy 267.97 39.37))
     (stroke (width 0) (type default))
     (uuid 33eaacbe-b6b6-420b-8242-8cfea81c8bdd)
@@ -1786,21 +1089,13 @@
     (stroke (width 0) (type default))
     (uuid 3410b729-2c60-4508-aee1-4392961a02c9)
   )
-  (wire (pts (xy 219.71 83.82) (xy 187.96 83.82))
+  (wire (pts (xy 124.46 132.08) (xy 139.7 132.08))
     (stroke (width 0) (type default))
-    (uuid 34dfb724-e166-48a2-889a-cb52f032fa81)
+    (uuid 353d1a39-dd1e-44e5-b36c-e9973881b839)
   )
-  (wire (pts (xy 185.42 130.81) (xy 185.42 67.31))
+  (wire (pts (xy 139.7 132.08) (xy 139.7 133.35))
     (stroke (width 0) (type default))
-    (uuid 38c2322c-cbcd-49ed-bb47-4b541bfd23da)
-  )
-  (wire (pts (xy 33.02 81.28) (xy 49.53 81.28))
-    (stroke (width 0) (type default))
-    (uuid 38cd334a-b33a-4e79-8005-d7d2f924e7a0)
-  )
-  (wire (pts (xy 189.23 130.81) (xy 185.42 130.81))
-    (stroke (width 0) (type default))
-    (uuid 39ba98f6-7a12-445c-b60e-9f02dd9227d0)
+    (uuid 384510f7-b8e3-4ae7-9513-52f1e4a1676f)
   )
   (wire (pts (xy 241.3 31.75) (xy 241.3 24.13))
     (stroke (width 0) (type default))
@@ -1810,7 +1105,7 @@
     (stroke (width 0) (type default))
     (uuid 3bf8b58d-6af1-409c-9477-8d8baf9b06b0)
   )
-  (bus (pts (xy 30.48 16.51) (xy 30.48 66.04))
+  (bus (pts (xy 27.305 16.51) (xy 27.305 78.74))
     (stroke (width 0) (type default))
     (uuid 3d847ffd-4310-41a5-a864-929bd9c3939d)
   )
@@ -1819,37 +1114,12 @@
     (stroke (width 0) (type default))
     (uuid 3dd73a91-6a79-4fc2-800f-b2b7331e8aa8)
   )
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     (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
-    (uuid e2eee0bc-3ce5-495f-a512-ed9147e35719)
-    (property "Reference" "#PWR07" (at 201.93 82.55 0)
+    (uuid d375eaec-1d5a-4ac4-80bb-957d905d346e)
+    (property "Reference" "#PWR012" (at 38.735 27.94 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Value" "GND" (at 201.93 81.28 0)
+    (property "Value" "+3V3" (at 38.735 36.83 0)
       (effects (font (size 1.27 1.27)))
     )
-    (property "Footprint" "" (at 201.93 76.2 0)
+    (property "Footprint" "" (at 38.735 31.75 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "" (at 201.93 76.2 0)
+    (property "Datasheet" "" (at 38.735 31.75 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (pin "1" (uuid da148831-99a9-463d-b1a0-cbd6218d568a))
+    (pin "1" (uuid 29b778df-d262-4a00-b310-97b09e1956d4))
     (instances
       (project "rp2040_radio"
         (path "/a850cd64-290c-40af-a783-f83343c37ff2"
-          (reference "#PWR07") (unit 1)
+          (reference "#PWR012") (unit 1)
         )
       )
     )
@@ -3316,31 +2199,6 @@
     )
   )
 
-  (symbol (lib_id "power:+5V") (at 227.33 73.66 0) (unit 1)
-    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
-    (uuid f374283f-d677-43ee-871b-70d75a17f217)
-    (property "Reference" "#PWR03" (at 227.33 77.47 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Value" "+5V" (at 227.33 68.58 0)
-      (effects (font (size 1.27 1.27)))
-    )
-    (property "Footprint" "" (at 227.33 73.66 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Datasheet" "" (at 227.33 73.66 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (pin "1" (uuid 09dc1d48-cbc2-4c42-8f18-fa7d72d41033))
-    (instances
-      (project "rp2040_radio"
-        (path "/a850cd64-290c-40af-a783-f83343c37ff2"
-          (reference "#PWR03") (unit 1)
-        )
-      )
-    )
-  )
-
   (sheet_instances
     (path "/" (page "1"))
   )
diff --git a/src/lcd_ui.c b/src/lcd_ui.c
new file mode 100644
index 0000000..7476db3
--- /dev/null
+++ b/src/lcd_ui.c
@@ -0,0 +1,133 @@
+#include "fonts.h"
+#include "lcdbus.h"
+#include <pico/stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+enum static_type {
+    none,
+    box_full,
+    box_border,
+    text,
+    text_vert,
+};
+
+struct static_element {
+    unsigned upper, left, lower, right;
+    enum static_type type;
+    bool visible;
+    const char *data;
+};
+
+struct static_element static_elements[] = {
+    { .upper = 0, .left = 119, .right = 121, .lower = 319,
+      .type = box_full,
+      .visible = true,
+    },
+    { .upper = 10, .left = 10, .right = 17, .lower = 57,
+      .type = text_vert,
+      .visible = true,
+      .data = "VHF1",
+    },
+    { .upper = 10, .left = 20, .right = 30, .lower = 69,
+      .type = box_border,
+      .visible = true,
+    },
+    { .upper = 10, .left = 40, .right = 106, .lower = 22,
+      .type = text,
+      .visible = true,
+      .data = "118.000",
+    },
+    { .upper = 57, .left = 40, .right = 106, .lower = 69,
+      .type = text,
+      .visible = true,
+      .data = "122.800",
+    },
+    { .upper = 79, .left = 0, .right = 239, .lower = 81,
+      .type = box_full,
+      .visible = true,
+    },
+    { .upper = 159, .left = 0, .right = 239, .lower = 161,
+      .type = box_full,
+      .visible = true,
+    },
+    { .upper = 239, .left = 0, .right = 239, .lower = 241,
+      .type = box_full,
+      .visible = true,
+    },
+};
+
+enum ise_ret {
+    ise_blank = 0,
+    ise_pixel = 1,
+    ise_abort,
+};
+
+static enum ise_ret in_static_element(unsigned row, unsigned col, struct static_element const * const se)
+{
+    //    if (row <= se->lower) return ise_abort;
+    if (!se->visible) return ise_blank;
+    if (!((row >= se->upper) && (row <= se->lower) && (col >= se->left) && (col <= se->right))) return ise_blank;
+    switch(se->type) {
+    case box_full:
+	return ise_pixel;
+    case box_border:
+	return (row == se->upper) || (row == se->lower) ||(col == se->left) || (col == se->right);
+    case text:
+	{
+	    // which character to display
+	    const int char_c = (col - se->left) / 8;
+	    // position inside char
+	    const int pos_r = (row - se->upper) % 12;
+	    const int pos_c = (col - se->left) % 8;
+	    if (char_c >= strlen(se->data)) return false;
+	    const char data = Font8x12[(se->data[char_c]-0x20)*12 + pos_r];
+	    return (data & (1u << (7-pos_c))) != 0;
+	}
+    case text_vert:
+	{
+	    // which character to display
+	    const int char_r = (row - se->upper) / 12;
+	    // position inside char
+	    const int pos_r = (row - se->upper) % 12;
+	    const int pos_c = (col - se->left) % 8;
+	    if (char_r >= strlen(se->data)) return false;
+	    const char data = Font8x12[(se->data[char_r]-0x20)*12 + pos_r];
+	    return (data & (1u << (7-pos_c))) != 0;
+	}
+    }
+}
+
+static uint16_t get_pixel(unsigned row, unsigned col)
+{
+    for (int se = 0;se < sizeof(static_elements)/sizeof(static_elements[0]);++se) {
+	switch(in_static_element(row, col, static_elements+se)) {
+	case ise_pixel:
+	    return 0xffff;
+	case ise_blank:
+	    continue;
+	case ise_abort:
+	    return 0x0000;
+	}
+    }
+
+    return 0x0000;
+} 
+
+static unsigned cur_row = 0, cur_col = 0;
+
+#define LCD_WIDTH 240
+#define LCD_HEIGHT 320
+
+bool lcd_ui_process(void)
+{
+    while (!lcd_fifo_full()) {
+	lcd_data_write(get_pixel(cur_row, cur_col));
+	cur_col = (cur_col >= LCD_WIDTH - 1) ? 0 : cur_col + 1;
+	if (cur_col == 0) {
+	    cur_row = (cur_row >= LCD_HEIGHT - 1) ? 0 : cur_row + 1;
+	    if (cur_row == 0) return true;
+	}
+    }
+    return false;
+}
diff --git a/src/lcd_ui.h b/src/lcd_ui.h
new file mode 100644
index 0000000..9a244c1
--- /dev/null
+++ b/src/lcd_ui.h
@@ -0,0 +1,5 @@
+#pragma once
+
+#include <stdbool.h>
+
+bool lcd_ui_process(void);
diff --git a/src/lcdbus.c b/src/lcdbus.c
new file mode 100644
index 0000000..56c356f
--- /dev/null
+++ b/src/lcdbus.c
@@ -0,0 +1,140 @@
+#include <hardware/pio.h>
+#include <pico/stdlib.h>
+#include <stdio.h>
+
+#include "lcdbus.pio.h"
+
+extern PIO pio;
+static uint sm;
+
+#define LCD_RS_PIN 20
+#define LCD_SDO_PIN 19
+#define LCD_FCK_PIN 18
+#define LCD_SCK_PIN 17
+#define LCD_WRS_PIN 16
+
+#define LCD_RESET_PIN 15
+
+static bool rs_pin_state = false;
+
+static void lcd_bus_transact(bool dc, uint16_t out)
+{
+    if (dc != rs_pin_state) {
+	while (!pio_sm_is_tx_fifo_empty(pio, sm));
+	gpio_put(LCD_RS_PIN, dc);
+	rs_pin_state = dc;
+    }
+    pio_sm_put_blocking(pio, sm, (((uint32_t)out) << 16));
+}
+
+void lcd_data_write(uint16_t val)
+{
+    lcd_bus_transact(true, val);
+}
+
+void lcd_control_write(uint16_t val)
+{
+    lcd_bus_transact(false, val);
+}
+
+uint16_t lcd_reg_write(uint8_t reg, uint16_t val)
+{
+    lcd_control_write(reg);
+    lcd_data_write(val);
+}
+
+void lcd_init(void)
+{
+    gpio_init(LCD_RESET_PIN);
+    gpio_set_dir(LCD_RESET_PIN, true);
+    gpio_put(LCD_RESET_PIN, true);
+    gpio_init(LCD_RS_PIN);
+    gpio_set_dir(LCD_RS_PIN, true);
+    gpio_put(LCD_RS_PIN, rs_pin_state);
+
+    uint offset = pio_add_program(pio, &lcdbus_program);
+    sm = pio_claim_unused_sm(pio, true);
+    pio_sm_config c = lcdbus_program_get_default_config(offset);
+    sm_config_set_out_pins(&c, LCD_SDO_PIN, 1);
+    sm_config_set_sideset_pins(&c, LCD_WRS_PIN);
+    sm_config_set_out_shift(&c, false, false, 16);
+    sm_config_set_clkdiv(&c, 3.f);
+    pio_sm_set_pindirs_with_mask(pio, sm,
+				 (1u << LCD_SDO_PIN) | (1u << LCD_SCK_PIN) | (1u << LCD_FCK_PIN) | (1u << LCD_WRS_PIN),
+				 (1u << LCD_SDO_PIN) | (1u << LCD_SCK_PIN) | (1u << LCD_FCK_PIN) | (1u << LCD_WRS_PIN));
+    pio_gpio_init(pio, LCD_SDO_PIN);
+    pio_gpio_init(pio, LCD_WRS_PIN);
+    pio_gpio_init(pio, LCD_SCK_PIN);
+    pio_gpio_init(pio, LCD_FCK_PIN);
+    pio_sm_init(pio, sm, offset, &c);
+    pio_sm_set_enabled(pio, sm, true);
+
+    
+}
+
+void lcd_write_init(void)
+{
+    /* lcd_reg_write(0x07, 0x0021); */
+    /* lcd_reg_write(0x00, 0x0001); */
+    /* lcd_reg_write(0x07, 0x0023); */
+    /* lcd_reg_write(0x10, 0x0000); */
+    /* sleep_ms(30); */
+    /* lcd_reg_write(0x07, 0x0033); */
+    /* lcd_reg_write(0x03, 0xA8A4); */
+    // Initialization sequence taken from UTFT for SSD1289
+    // I don't know what it does, but it doesn't flicker...
+    lcd_reg_write(0x00,0x0001);
+    lcd_reg_write(0x03,0xA8A4);
+    lcd_reg_write(0x0C,0x0000);
+    lcd_reg_write(0x0D,0x080C);
+    lcd_reg_write(0x0E,0x2B00);
+    lcd_reg_write(0x1E,0x00B7);
+    lcd_reg_write(0x01,0x2B3F);
+    lcd_reg_write(0x02,0x0600);
+    lcd_reg_write(0x10,0x0000);
+    lcd_reg_write(0x11,0x6070);
+    lcd_reg_write(0x05,0x0000);
+    lcd_reg_write(0x06,0x0000);
+    lcd_reg_write(0x16,0xEF1C);
+    lcd_reg_write(0x17,0x0003);
+    lcd_reg_write(0x07,0x0233);
+    lcd_reg_write(0x0B,0x0000);
+    lcd_reg_write(0x0F,0x0000);
+    lcd_reg_write(0x41,0x0000);
+    lcd_reg_write(0x42,0x0000);
+    lcd_reg_write(0x48,0x0000);
+    lcd_reg_write(0x49,0x013F);
+    lcd_reg_write(0x4A,0x0000);
+    lcd_reg_write(0x4B,0x0000);
+    lcd_reg_write(0x44,0xEF00);
+    lcd_reg_write(0x45,0x0000);
+    lcd_reg_write(0x46,0x013F);
+    lcd_reg_write(0x30,0x0707);
+    lcd_reg_write(0x31,0x0204);
+    lcd_reg_write(0x32,0x0204);
+    lcd_reg_write(0x33,0x0502);
+    lcd_reg_write(0x34,0x0507);
+    lcd_reg_write(0x35,0x0204);
+    lcd_reg_write(0x36,0x0204);
+    lcd_reg_write(0x37,0x0502);
+    lcd_reg_write(0x3A,0x0302);
+    lcd_reg_write(0x3B,0x0302);
+    lcd_reg_write(0x23,0x0000);
+    lcd_reg_write(0x24,0x0000);
+    lcd_reg_write(0x25,0x8000);
+}
+
+void lcd_clear(uint16_t val)
+{
+    lcd_reg_write(0x4f,0x0000);
+    lcd_reg_write(0x4e,0x0000);    
+    lcd_control_write(0x22);
+    for (int i = 0;i < 320*240;++i) {
+	lcd_data_write(val);
+    }
+}
+
+bool lcd_fifo_full(void)
+{
+    return pio_sm_is_tx_fifo_full(pio, sm);
+}
diff --git a/src/lcdbus.h b/src/lcdbus.h
new file mode 100644
index 0000000..4d0530e
--- /dev/null
+++ b/src/lcdbus.h
@@ -0,0 +1,12 @@
+#pragma once
+
+#include <stdint.h>
+#include <stdbool.h>
+
+void lcd_data_write(uint16_t val);
+void lcd_control_write(uint16_t val);
+uint16_t lcd_reg_write(uint8_t reg, uint16_t val);
+void lcd_init(void);
+void lcd_write_init(void);
+void lcd_clear(uint16_t val);
+bool lcd_fifo_full(void);
diff --git a/src/lcdbus.pio b/src/lcdbus.pio
index 601a290..32b4ed3 100644
--- a/src/lcdbus.pio
+++ b/src/lcdbus.pio
@@ -1,9 +1,11 @@
 .program lcdbus
-.side_set 2
+.side_set 3
 
-pull		side 2
+nop		side 5
+.wrap_target
+pull		side 5
 loop:
 out pins, 1	side 0
-in  pins, 1	side 0
-jmp !OSRE loop	side 1
-push 	  	side 2
\ No newline at end of file
+jmp !OSRE loop	side 2
+nop 	  	side 4
+nop		side 5 [1]
\ No newline at end of file
diff --git a/src/lcdtest.c b/src/lcdtest.c
index a2858bc..afa4f1b 100644
--- a/src/lcdtest.c
+++ b/src/lcdtest.c
@@ -1,215 +1,81 @@
-#include "fonts.h"
+//#include "fonts.h"
 #include <hardware/pio.h>
+#include "lcdbus.h"
+#include "lcd_ui.h"
 #include <pico/stdlib.h>
 #include <stdio.h>
 
-#include "lcdbus.pio.h"
-
 PIO pio = pio0;
-static uint sm;
 
-#define LCD_SDI_PIN 20
-#define LCD_SDO_PIN 19
-#define LCD_FCK_PIN 18
-#define LCD_SCK_PIN 17
-#define LCD_OE_PIN  16
-
-#define LCD_RS_PIN 15
-#define LCD_WR_PIN 14
-#define LCD_RD_PIN 13
-#define LCD_CS_PIN 12
-#define LCD_RESET_PIN 11
-
-static uint16_t lcd_bus_transact(uint16_t out)
-{
-    pio_sm_put(pio, sm, ((uint32_t)out)<<16);
-    return pio_sm_get_blocking(pio, sm);
-}
-
-static void lcd_write(bool dc, uint16_t val)
-{
-    gpio_put_masked((1u << LCD_CS_PIN) | (1u << LCD_WR_PIN) | (1u << LCD_RS_PIN), (dc << LCD_RS_PIN));
-    gpio_put(LCD_OE_PIN, false);
-    lcd_bus_transact(val);
-    gpio_put_masked((1u << LCD_CS_PIN) | (1u << LCD_WR_PIN) | (1u << LCD_RS_PIN),
-		    (1u << LCD_CS_PIN) | (1u << LCD_WR_PIN) | (1u << LCD_RS_PIN));
-    gpio_put(LCD_OE_PIN, true);
-    //    busy_wait_us(1);
-}
-
-static uint16_t lcd_read(bool dc)
-{
-    gpio_put_masked((1u << LCD_CS_PIN) | (1u << LCD_RD_PIN) | (1u << LCD_RS_PIN), (dc << LCD_RS_PIN));
-    // wait 250 ns
-    asm volatile ("nop\n");
-    asm volatile ("nop\n");
-    asm volatile ("nop\n");
-    asm volatile ("nop\n");
-    asm volatile ("nop\n");
-    asm volatile ("nop\n");
-    asm volatile ("nop\n");
-    asm volatile ("nop\n");
-    asm volatile ("nop\n");
-    asm volatile ("nop\n");
-    asm volatile ("nop\n");
-    asm volatile ("nop\n");
-    asm volatile ("nop\n");
-    asm volatile ("nop\n");
-    asm volatile ("nop\n");
-    asm volatile ("nop\n");
-    asm volatile ("nop\n");
-    asm volatile ("nop\n");
-    asm volatile ("nop\n");
-    asm volatile ("nop\n");
-    asm volatile ("nop\n");
-    asm volatile ("nop\n");
-    asm volatile ("nop\n");
-    asm volatile ("nop\n");
-    asm volatile ("nop\n");
-    asm volatile ("nop\n");
-    asm volatile ("nop\n");
-    asm volatile ("nop\n");
-    asm volatile ("nop\n");
-    asm volatile ("nop\n");
-    asm volatile ("nop\n");
-    asm volatile ("nop\n");
-    const uint16_t ret = lcd_bus_transact(0);
-    gpio_put_masked((1u << LCD_CS_PIN) | (1u << LCD_RD_PIN) | (1u << LCD_RS_PIN),
-		    (1u << LCD_CS_PIN) | (1u << LCD_RD_PIN) | (1u << LCD_RS_PIN));    
-    return ret;
-}
-
-static uint16_t lcd_reg_read(uint8_t reg)
-{
-    lcd_write(false, reg);
-    return lcd_read(true);
-}
-
-static uint16_t lcd_reg_write(uint8_t reg, uint16_t val)
-{
-    lcd_write(false, reg);
-    lcd_write(true, val);
-}
+#define FRAME_LED 22
 
 int main(void)
 {
     setup_default_uart();   
     printf("lcdtest.c\n");
 
-    gpio_init_mask(0x3f << 11);
-    gpio_set_dir_out_masked(0x3f << 11);
-    // gpio_init(LCD_OE_PIN);
-    // gpio_set_dir(LCD_OE_PIN, true);
-    gpio_put_masked(0x3f << 11, 0x3f << 11);
-    gpio_put(LCD_OE_PIN, true);
+    lcd_init();
+    lcd_write_init();
+    lcd_clear(0);
+   
+    /* int color = 0; */
+    /* while(true) { */
+    /* 	const char* const greeting = "Hello, world!"; */
+    /* 	const int greeting_len = strlen(greeting); */
+    /* 	for (int row = 0;row < 320;++row) { */
+    /* 	    for (int col = 0; col < 240;++col) { */
+    /* 		// which character to display */
+    /* 		const int char_r = row / 12; */
+    /* 		const int char_c = col / 8; */
+    /* 		// position inside char */
+    /* 		const int pos_r = row % 12; */
+    /* 		const int pos_c = col % 8; */
+		
+    /* 		const int index = char_r*30+char_c; */
+    /* 		char data = 0; */
+    /* 		if (index < greeting_len) { */
+    /* 		    data = Font8x12[(greeting[index]-0x20)*12 + pos_r]; */
+    /* 		} */
+		
+    /* 		const bool pixel = (data & (1u << (7-pos_c))) != 0; */
+    /* 		if (pixel) { */
+    /* 		    if (color == 4) { */
+    /* 			lcd_data_write(0x0000); */
+    /* 		    } else { */
+    /* 			lcd_data_write(0xffff); */
+    /* 		    } */
+    /* 		} else { */
+    /* 		    switch(color) { */
+    /* 		    case 0: */
+    /* 			lcd_data_write(0x0000); */
+    /* 			break; */
+    /* 		    case 1: */
+    /* 			lcd_data_write(0x001f); */
+    /* 			break; */
+    /* 		    case 2: */
+    /* 			lcd_data_write(0x07e0); */
+    /* 			break; */
+    /* 		    case 3: */
+    /* 			lcd_data_write(0xf800); */
+    /* 			break; */
+    /* 		    case 4: */
+    /* 			lcd_data_write(0xffff); */
+    /* 			break; */
+    /* 		    } */
+    /* 		} */
+    /* 	    } */
+    /* 	} */
+    /* 	color = (color == 4) ? 0 : color + 1; */
+    /* 	sleep_ms(1000); */
+    /* } */
 
-    uint offset = pio_add_program(pio, &lcdbus_program);
-    sm = pio_claim_unused_sm(pio, true);
-    pio_sm_config c = lcdbus_program_get_default_config(offset);
-    sm_config_set_out_pins(&c, LCD_SDO_PIN, 1);
-    sm_config_set_in_pins(&c, LCD_SDI_PIN);
-    sm_config_set_sideset_pins(&c, LCD_SCK_PIN);
-    sm_config_set_out_shift(&c, false, false, 16);
-    sm_config_set_in_shift(&c, false, false, 16);
-    sm_config_set_clkdiv(&c, 4);
-    pio_sm_set_pindirs_with_mask(pio, sm,
-				 (1u << LCD_SDO_PIN) | (1u << LCD_SCK_PIN) | (1u << LCD_FCK_PIN),
-				 (1u << LCD_SDO_PIN) | (1u << LCD_SCK_PIN) | (1u << LCD_FCK_PIN) | (1u << LCD_SDI_PIN));
-    pio_gpio_init(pio, LCD_SDO_PIN);
-    pio_gpio_init(pio, LCD_SDI_PIN);
-    pio_gpio_init(pio, LCD_SCK_PIN);
-    pio_gpio_init(pio, LCD_FCK_PIN);
-    pio_sm_init(pio, sm, offset, &c);
-    pio_sm_set_enabled(pio, sm, true);
-
-    //gpio_put(LCD_OE_PIN, false);
-    sleep_ms(100);
-    //lcd_write(true, 0x0000);
-    uint16_t r1 = lcd_read(false);
-    if (r1 != 0x8989) {
-	printf("Display chip id not OK (%04hx)\n", r1);
-	return 0;
-    }
-
-    /* lcd_reg_write(0x07, 0x0021); */
-    /* lcd_reg_write(0x00, 0x0001); */
-    /* lcd_reg_write(0x07, 0x0023); */
-    /* lcd_reg_write(0x10, 0x0000); */
-    /* sleep_ms(30); */
-    /* lcd_reg_write(0x07, 0x0033); */
-    /* lcd_reg_write(0x03, 0xA8A4); */
-    // Initialization sequence taken from UTFT for SSD1289
-    // I don't know what it does, but it doesn't flicker...
-    lcd_reg_write(0x00,0x0001);
-    lcd_reg_write(0x03,0xA8A4);
-    lcd_reg_write(0x0C,0x0000);
-    lcd_reg_write(0x0D,0x080C);
-    lcd_reg_write(0x0E,0x2B00);
-    lcd_reg_write(0x1E,0x00B7);
-    lcd_reg_write(0x01,0x2B3F);
-    lcd_reg_write(0x02,0x0600);
-    lcd_reg_write(0x10,0x0000);
-    lcd_reg_write(0x11,0x6070);
-    lcd_reg_write(0x05,0x0000);
-    lcd_reg_write(0x06,0x0000);
-    lcd_reg_write(0x16,0xEF1C);
-    lcd_reg_write(0x17,0x0003);
-    lcd_reg_write(0x07,0x0233);
-    lcd_reg_write(0x0B,0x0000);
-    lcd_reg_write(0x0F,0x0000);
-    lcd_reg_write(0x41,0x0000);
-    lcd_reg_write(0x42,0x0000);
-    lcd_reg_write(0x48,0x0000);
-    lcd_reg_write(0x49,0x013F);
-    lcd_reg_write(0x4A,0x0000);
-    lcd_reg_write(0x4B,0x0000);
-    lcd_reg_write(0x44,0xEF00);
-    lcd_reg_write(0x45,0x0000);
-    lcd_reg_write(0x46,0x013F);
-    lcd_reg_write(0x30,0x0707);
-    lcd_reg_write(0x31,0x0204);
-    lcd_reg_write(0x32,0x0204);
-    lcd_reg_write(0x33,0x0502);
-    lcd_reg_write(0x34,0x0507);
-    lcd_reg_write(0x35,0x0204);
-    lcd_reg_write(0x36,0x0204);
-    lcd_reg_write(0x37,0x0502);
-    lcd_reg_write(0x3A,0x0302);
-    lcd_reg_write(0x3B,0x0302);
-    lcd_reg_write(0x23,0x0000);
-    lcd_reg_write(0x24,0x0000);
-    lcd_reg_write(0x25,0x8000);
-
-    lcd_reg_write(0x4f,0x0000);
-    lcd_reg_write(0x4e,0x0000);    
-    lcd_write(false, 0x22);
-    for (int i = 0;i < 320*240;++i) {
-	lcd_write(true, 0x0000);
-    }
-
-    const char* const greeting = "Hello, world!";
-    const int greeting_len = strlen(greeting);
-    for (int row = 0;row < 320;++row) {
-	for (int col = 0; col < 240;++col) {
-	    // which character to display
-	    const int char_r = row / 12;
-	    const int char_c = col / 8;
-	    // position inside char
-	    const int pos_r = row % 12;
-	    const int pos_c = col % 8;
-
-	    const int index = char_r*30+char_c;
-	    char data = 0;
-	    if (index < greeting_len) {
-		data = Font8x12[(greeting[index]-0x20)*12 + pos_r];
-	    }
-	    
-	    const bool pixel = (data & (1u << (7-pos_c))) != 0;
-	    if (pixel) {
-		lcd_write(true, 0xffff);
-	    } else {
-		lcd_write(true, 0x0000);
-	    }
+    gpio_init(FRAME_LED);
+    gpio_set_dir(FRAME_LED, true);
+    bool frame_led = false;
+    while(true) {
+	if (lcd_ui_process()) {
+	    gpio_put(FRAME_LED, frame_led);
+	    frame_led = !frame_led;
 	}
-    }    
+    }
 }