diff --git a/Snippet:-Keyboard-controlled-robot.md b/Snippet:-Keyboard-controlled-robot.md
index 021b652..3765275 100644
--- a/Snippet:-Keyboard-controlled-robot.md
+++ b/Snippet:-Keyboard-controlled-robot.md
@@ -9,7 +9,9 @@ Key | Action
 `C` | Clear [Inventory](https://github.com/simon987/Much-Assembly-Required/wiki/Hardware:-Inventory)
 
 ```assembly
-;HEADER - Constants by hackersoup https://github.com/simon987/Much-Assembly-Required/wiki/Assembly-program-examples
+; HEADER - Constants by hackersoup with help of many contributors
+; https://github.com/simon987/Much-Assembly-Required/wiki/Snippet:-Constants
+
 ;*************************** Hardware IDs
 HWID_LEGS     equ 0x1
 HWID_LASER    equ 0x2
@@ -22,6 +24,8 @@ HWID_CLOCK    equ 0x8
 HWID_HOLO     equ 0x9
 HWID_BATTERY  equ 0xA
 HWID_FLOPPY   equ 0xB
+HWID_RADIO    equ 0xC
+HWID_COMPORT  equ 0xD
 
 ;*************************** Drill actions IDs
 DRILL_POLL        equ 1
@@ -39,8 +43,6 @@ INV_EMPTY equ 0
 ;*************************** Laser actions IDs
 LASER_WITHDRAW equ 1
 LASER_DEPOSIT  equ 2
-; Items that can be used with the Laser
-ITEM_BIOMASS   equ 0x1
 
 ;*************************** Legs actions IDs
 LEGS_SET_DIRECTION          equ 1
@@ -60,15 +62,6 @@ LIDAR_GET_WORLD_POS equ 4
 ;*************************** Keyboard actions IDs
 KEYBOARD_CLEAR     equ 0
 KEYBOARD_FETCH_KEY equ 1
-; Keys to use with Keyboard Hardware
-KEY_A              equ 0x41
-KEY_C              equ 0x43
-KEY_D              equ 0x44
-KEY_E              equ 0x45
-KEY_F              equ 0x46
-KEY_I              equ 0x49
-KEY_S              equ 0x53
-KEY_W              equ 0x57
 
 ;*************************** Hologram Projector actions IDs
 HOLO_CLEAR          equ 0
@@ -91,7 +84,62 @@ CLOCK_POLL equ 0
 FLOPPY_POLL         equ 1
 FLOPPY_READ_SECTOR  equ 2
 FLOPPY_WRITE_SECTOR equ 3
-;END OF HEADER
+
+;*************************** Radio actions IDs
+RADIO_LISTEN equ 1
+
+;*************************** Com Port actions IDs
+COMPORT_POLL           equ 1
+COMPORT_FRONT_PORT_OUT equ 2
+COMPORT_SELF_OUT       equ 3
+
+;*************************** Keys IDs
+KEY_ESC   equ 0x1b
+KEY_SPACE equ 0x20
+KEY_ENTER equ 0xd
+KEY_0     equ 0x30
+KEY_1     equ 0x31
+KEY_2     equ 0x32
+KEY_3     equ 0x33
+KEY_4     equ 0x34
+KEY_5     equ 0x35
+KEY_6     equ 0x36
+KEY_7     equ 0x37
+KEY_8     equ 0x38
+KEY_9     equ 0x39
+KEY_A     equ 0x41
+KEY_B     equ 0x42
+KEY_C     equ 0x43
+KEY_D     equ 0x44
+KEY_E     equ 0x45
+KEY_F     equ 0x46
+KEY_G     equ 0x47
+KEY_H     equ 0x48
+KEY_I     equ 0x49
+KEY_J     equ 0x4a
+KEY_K     equ 0x4b
+KEY_L     equ 0x4c
+KEY_M     equ 0x4d
+KEY_N     equ 0x4e
+KEY_O     equ 0x4f
+KEY_P     equ 0x50
+KEY_Q     equ 0x51
+KEY_R     equ 0x52
+KEY_S     equ 0x53
+KEY_T     equ 0x54
+KEY_U     equ 0x55
+KEY_V     equ 0x56
+KEY_W     equ 0x57
+KEY_X     equ 0x58
+KEY_Y     equ 0x59
+KEY_Z     equ 0x5a
+
+;*************************** Items IDs
+ITEM_BIOMASS equ 1
+ITEM_IRON    equ 3
+ITEM_COPPER  equ 4
+
+; END OF HEADER
 
 .text
 	MOV A, KEYBOARD_FETCH_KEY