diff --git a/main.s65 b/main.s65
index 672533a..02ed732 100644
--- a/main.s65
+++ b/main.s65
@@ -3,6 +3,8 @@
 .export home,homeloop
 .import keypad_printer:absolute
 .import spi_menu:absolute
+.import ps2_keyboard_printer:absolute
+.import ps2_keyboard_util:absolute
 
 .code
 
@@ -143,9 +145,11 @@ reset:
     cmp #'D'
     jeq print_2
     cmp #'1'
-    beq @debug0_on
+    ; beq @debug0_on
+    beq @ps2_util
     cmp #'2'
-    beq @debug0_off
+    beq @ps2_printer
+    ; beq @debug0_off
     cmp #'4'
     beq @debug1_on
     cmp #'5'
@@ -161,6 +165,10 @@ reset:
     wai
     jmp @loop
     
+@ps2_util:
+    jmp ps2_keyboard_util
+@ps2_printer:
+    jmp ps2_keyboard_printer
 @debug0_off:
     DEBUG_LED_OFF 0
     jmp @loop
@@ -209,18 +217,18 @@ message_1:
 message_2:
     .byte   "0123456789=!?#+*"
     .byte   "ABCDEFGHIJKLMNOP"
-    .byte   "QRSTUVWXYZÖÄÜß-_"
+    .byte   "QRSTUVWXYZöäüß-_"
     .asciiz "{[(<>)]}$%&/,;.:"
 message_menu: 
-    .byte   "<A> Printer     "
-    ; .byte   "<B> Temperatur  "
-    .byte   "<B> SPI-Menu    "
-    .byte   "<C> Text 1      "
-    .asciiz "<D> Text 2      "
-str_spi_begin:
-    .asciiz "---BEGIN  SPI---"
-str_spi_start:
-    .asciiz "---START  SPI---"
+    .byte   "A/2: KP/KB Print"
+    ; .byte   "<B> Temperatur"
+    .byte   "1: KB Util      "
+    .byte   "B: SPI-Menu     "
+    .asciiz "C/D: Text 1/2   "
+; str_spi_begin:
+;     .asciiz "---BEGIN  SPI---"
+; str_spi_start:
+;     .asciiz "---START  SPI---"
 str_io2:
     .asciiz "IO2::RB='"
 
diff --git a/programs/spi-menu.s65 b/programs/spi-menu.s65
index 9641a6d..2bdf2a8 100644
--- a/programs/spi-menu.s65
+++ b/programs/spi-menu.s65
@@ -9,11 +9,15 @@
 
 .export spi_menu
 .bss
-trans_bytes: .res 2   ; used to check if screen needs to be updated
+trans_bytes: .res 2   ;; used to check if screen needs to be updated
 status_char: .res 1
-status_str:  .res 17  ; 16 + null
+status_str:  .res 17  ;; space for 16 + null
 
 .code
+;;********************************************************************************
+;; @brief Receive code via SPI and execute it
+;; @ingroup applications
+;;********************************************************************************
 .proc spi_menu
     stz trans_bytes
     stz trans_bytes+1