diff --git a/.gitmodules b/.gitmodules
index 3129a53..e69de29 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +0,0 @@
-[submodule "lua"]
-	path = lua
-	url = https://git.kolibrios.org/lua/lua.git
diff --git a/.vscode/c_cpp_properties.json b/.vscode/c_cpp_properties.json
index 936f463..5997ecc 100644
--- a/.vscode/c_cpp_properties.json
+++ b/.vscode/c_cpp_properties.json
@@ -1,20 +1,42 @@
 {
     "configurations": [
         {
-            "name": "Release",
+            "name": "Windows Lua5.4",
             "includePath": [
-                "${workspaceFolder}/lua/src",
+                "C:/MinGW/msys/1.0/home/autobuild/tools/win32/include",
+                "C:/MinGW/msys/1.0/home/autobuild/tools/win32/include/lua5.4",
                 "${workspaceFolder}/../kolibrios/contrib/sdk/sources/newlib/libc/include"
             ],
-            "defines": []
+            "defines": [
+                "SYSCALLS_VERSION_A",
+                "SYSCALLS_VERSION_B",
+                "SYSCALLS_VERSION_C"
+            ]
+        },
+        {
+            "name": "Windows Lua5.3",
+            "includePath": [
+                "C:/MinGW/msys/1.0/home/autobuild/tools/win32/include",
+                "C:/MinGW/msys/1.0/home/autobuild/tools/win32/include/lua5.3",
+                "${workspaceFolder}/../kolibrios/contrib/sdk/sources/newlib/libc/include"
+            ],
+            "defines": [
+                "SYSCALLS_VERSION_A",
+                "SYSCALLS_VERSION_B",
+                "SYSCALLS_VERSION_C"
+            ]
         },
         {
             "name": "Debug",
             "includePath": [
-                "${workspaceFolder}/lua/src",
+                "/home/autobuild/tools/win32/include",
+                "/home/autobuild/tools/win32/include/lua5.4",
                 "${workspaceFolder}/../kolibrios/contrib/sdk/sources/newlib/libc/include"
             ],
             "defines": [
+                "SYSCALLS_VERSION_A",
+                "SYSCALLS_VERSION_B",
+                "SYSCALLS_VERSION_C",
                 "NDEBUG"
             ]
         }
diff --git a/.vscode/settings.json b/.vscode/settings.json
index 805b389..844e796 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -7,7 +7,9 @@
         "socket.h": "c",
         "graphic.h": "c",
         "syscalls.h": "c",
-        "registers.h": "c"
+        "registers.h": "c",
+        "version_type.h": "c",
+        "library_version.h": "c"
     },
     "cSpell.words": [
         "syscalls",
diff --git a/Makefile b/Makefile
index 01ae0fb..e0d1b27 100644
--- a/Makefile
+++ b/Makefile
@@ -1,13 +1,18 @@
-LUA_V = 54
+
+LUA_V = 5.4
+SYSCALLS_VER_A = 2
+SYSCALLS_VER_B = 0
+SYSCALLS_VER_C = 0
+SYSCALLS_VER = $(SYSCALLS_VER_C).$(SYSCALLS_VER_B).$(SYSCALLS_VER_A)
 
 CC = kos32-gcc
 LD = kos32-ld
 STRIP = kos32-strip
 OBJCOPY = kos32-objcopy
 STD = -std=gnu11
-CFLAGS = $(SYSCFLAGS) -O2 -Wall -Wextra $(STD) $(MYCFLAGS)
+CFLAGS = $(SYSCFLAGS) -O2 -Wall -Wextra $(STD) $(MYCFLAGS) -DSYSCALLS_VERSION_A=$(SYSCALLS_VER_A) -DSYSCALLS_VERSION_B=$(SYSCALLS_VER_B) -DSYSCALLS_VERSION_C=$(SYSCALLS_VER_C)
 LDFLAGS = $(SYSLDFLAGS) $(MYLDFLAGS)
-LIBS = $(SYSLIBS) $(MYLIBS) $(TOOLCHAIN_PATH)/mingw32/lib/lua$(LUA_V).dll.a
+LIBS = $(SYSLIBS) $(MYLIBS) -llua$(LUA_V).dll
 
 ifeq ($(OS), Windows_NT)
 	TOOLCHAIN_PATH = C:/MinGW/msys/1.0/home/autobuild/tools/win32
@@ -21,9 +26,8 @@ KOLIBRIOS_REPO = $(abspath ../kolibrios)
 
 SDK_DIR = $(KOLIBRIOS_REPO)/contrib/sdk
 NewLib_DIR = $(SDK_DIR)/sources/newlib
-SYSCFLAGS = -fno-ident -fomit-frame-pointer -U__WIN32__ -U_Win32 -U_WIN32 -U__MINGW32__ -UWIN32 -I$(NewLib_DIR)/libc/include -I$(abspath .)/lua/src
-SYSLDFLAGS = --image-base 0 -Tapp-dynamic.lds
-SYSLIBS = -nostdlib -L $(SDK_DIR)/lib -L$(TOOLCHAIN_PATH)/lib -L$(TOOLCHAIN_PATH)/mingw32/lib -lgcc -lc.dll -ldll
+SYSCFLAGS = -fno-ident -fomit-frame-pointer -U__WIN32__ -U_Win32 -U_WIN32 -U__MINGW32__ -UWIN32 -I$(NewLib_DIR)/libc/include -I$(TOOLCHAIN_PATH)/include/lua$(LUA_V)
+SYSLIBS = -L $(SDK_DIR)/lib -lgcc -lc.dll -ldll
 MYCFLAGS =
 MYLDFLAGS =
 MYLIBS =
@@ -33,11 +37,12 @@ MYOBJS =
 Socket_O = src/sockets/socket.o src/sockets/socket_lua.o src/sockets/sockaddr.o
 IPC_O = src/IPC/ipc.o src/IPC/IPC_msg.o
 Debug_O = src/debug/debug.o src/debug/registers.o
+Version_O = src/version/coreversion.o src/version/version_type.o
 
-ALL_O = src/syscalls.o src/ARP_entry.o src/systemColors.o src/graphic.o $(Socket_O) $(Debug_O) $(IPC_O)
+ALL_O = src/syscalls.o src/ARP_entry.o src/systemColors.o src/graphic.o $(Socket_O) $(Debug_O) $(Version_O) $(IPC_O) src/background/background.o
 
 syscalls.dll: $(ALL_O)
-	$(CC) -shared -T dll.lds --entry _DllStartup -o $@ $(ALL_O) $(LIBS)
+	$(LD) -shared -T dll.lds --entry _DllStartup $(LDFLAGS) -o $@ $(ALL_O) $(LIBS)
 
 clean:
 	rm -f $(ALL_O) syscalls.dll
@@ -46,7 +51,7 @@ clean:
 
 ## Sources
 
-src/syscalls.o:	src/syscalls.c	src/syscalls.h	src/systemColors.h	src/ARP_entry.h	src/scancodes.h	src/sockets/socket_lua.h	src/graphic.h
+src/syscalls.o:	src/syscalls.c	src/syscalls.h	src/systemColors.h	src/ARP_entry.h	src/scancodes.h	src/sockets/socket_lua.h	src/graphic.h	src/version/library_version.h
 src/ARP_entry.o:	src/ARP_entry.c	src/ARP_entry.h	src/debug.h
 src/systemColors.o:	src/systemColors.c	src/systemColors.h	src/debug.h
 src/sockets/socket.o:	src/sockets/socket.c	src/sockets/socket.h
@@ -54,9 +59,12 @@ src/sockets/socket_lua.o:	src/sockets/socket_lua.c	src/sockets/socket_lua.h
 src/sockets/sockaddr.o:	src/sockets/sockaddr.c	src/sockets/sockaddr.h
 src/graphic.o:	src/graphic.c	src/graphic.h
 src/debug/debug.o:	src/debug/debug.c	src/debug/debug.h	src/debug/registers.h
-src/debug/registers.o:	src/debug/registers.c	src/debug/registers.h	src/syscalls.h
 src/IPC/ipc.o:	src/IPC/ipc.c	src/IPC/ipc.h	src/IPC/IPC_msg.h
 src/IPC/IPC_msg.o:	src/IPC/IPC_msg.c	src/IPC/IPC_msg.h
+src/debug/registers.o:	src/debug/registers.c	src/debug/registers.h	src/syscalls.h	src/debug.h
+src/version/coreversion.o:	src/version/coreversion.c	src/version/coreversion.h
+src/version/version_type.o:	src/version/version_type.c	src/version/version_type.h	src/debug.h
+src/background/background.o: src/background/background.c src/background/background.h
 
 ## headers
 
@@ -67,3 +75,6 @@ src/debug/debug.h:	src/syscalls.h
 src/debug/registers.h:	src/syscalls.h
 src/IPC/IPC_msg.h: src/syscalls.h 
 src/IPC/ipc.h:	src/syscalls.h 
+src/version/coreversion.h:	src/version/version_type.h
+src/version/version_type.h:	src/syscalls.h
+src/background/background.h: src/syscalls.h
diff --git a/lua b/lua
deleted file mode 160000
index eae2ea0..0000000
--- a/lua
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit eae2ea0aaa2c4d0ad9e9c5c6594f9b2378971ced
diff --git a/src/background/background.c b/src/background/background.c
new file mode 100644
index 0000000..d68563b
--- /dev/null
+++ b/src/background/background.c
@@ -0,0 +1,129 @@
+#include "background.h"
+
+static ksys_pos_t sizes;
+
+int syscalls_backgroundGetSize(lua_State* L)
+{
+	asm_inline(
+		"int $0x40"
+		:"=a"(sizes)
+		: "a"(39), "b"(1)
+	);
+
+	syscalls_push_pos_t(L, sizes);
+
+	return 1;
+}
+
+int syscalls_backgroundSetSize(lua_State* L)
+{
+	sizes = syscalls_check_pos_t(L, 1);
+
+	_ksys_bg_set_size(
+		sizes.x,
+		sizes.y
+	);
+
+	return 0;
+}
+
+int syscalls_backgroundPutPixel(lua_State* L)
+{
+	uint32_t x = luaL_checkinteger(L, 1);
+	uint32_t y = luaL_checkinteger(L, 2);
+
+	_ksys_bg_put_pixel(
+		x,
+		y,
+		sizes.x,
+		luaL_checkinteger(L, 3)
+	);
+
+	return 0;
+}
+
+ksys_color_t background_read_point(ksys_pos_t pos, uint16_t w)
+{
+	ksys_color_t color;
+
+	asm_inline(
+		"int $0x40"
+		:"=a"(color)
+		: "a"(39), "b"(2), "c"((pos.x + pos.y * w) * 3)
+	);
+
+	return color;
+}
+
+int syscalls_backgroundReadPoint(lua_State* L)
+{
+	lua_pushinteger(
+		L,
+		background_read_point(syscalls_check_pos_t(L, 1), sizes.x)
+	);
+
+	return 1;
+}
+
+int syscalls_backgroundRedraw(lua_State* L)
+{
+	_ksys_bg_redraw();
+
+	return 0;
+}
+
+int syscalls_backgroundSetDrawMode(lua_State* L)
+{
+	_ksys_bg_set_mode(luaL_checkinteger(L, 1));
+
+	return 0;
+}
+
+int syscalls_backgroundGetDrawMode(lua_State* L)
+{
+	enum KSYS_BG_MODES mode;
+
+	asm_inline(
+		"int $0x40"
+		:"=a"(mode)
+		: "a"(39), "b"(4)
+	);
+
+	lua_pushinteger(L, mode);
+
+	return 1;
+}
+
+int syscalls_backgroundOpenMap(lua_State* L)
+{
+	lua_pushinteger(
+		L,
+		_ksys_bg_get_map()
+	);
+
+	return 1;
+}
+
+int syscalls_backgroundCloseMap(lua_State* L)
+{
+	if (_ksys_bg_close_map(luaL_checkinteger(L, 1)) == 0)
+	{
+		lua_pushnil(L);
+	}
+	else
+	{
+		lua_pushboolean(L, true);
+	}
+
+	return 1;
+}
+
+int syscalls_backgroundRedrawArea(lua_State* L)
+{
+	_ksys_bg_redraw_bar(
+		syscalls_check_pos_t(L, 1),
+		syscalls_check_pos_t(L, 3)
+	);
+
+	return 0;
+}
diff --git a/src/background/background.h b/src/background/background.h
new file mode 100644
index 0000000..6168827
--- /dev/null
+++ b/src/background/background.h
@@ -0,0 +1,33 @@
+#ifndef __BACKGROUND_H__
+#define __BACKGROUND_H__
+
+#include "../syscalls.h"
+
+int syscalls_backgroundSetSize(lua_State* L);
+
+int syscalls_backgroundPutPixel(lua_State* L);
+
+int syscalls_backgroundRedraw(lua_State* L);
+
+int syscalls_backgroundSetDrawMode(lua_State* L);
+
+int syscalls_backgroundGetDrawMode(lua_State* L);
+
+int syscalls_backgroundOpenMap(lua_State* L);
+
+int syscalls_backgroundCloseMap(lua_State* L);
+
+int syscalls_backgroundRedrawArea(lua_State* L);
+
+inline syscalls_push_BackgroundDrawMode(lua_State* L)
+{
+	lua_createtable(L, 0, 2);
+
+	LUA_PUSH_INTEGER_FIELD(L, KSYS_BG_MODE_PAVE, "Pave");
+
+	LUA_PUSH_INTEGER_FIELD(L, KSYS_BG_MODE_STRETCH, "Stretch");
+
+	lua_setfield(L, -2, "DrawMode");
+}
+
+#endif // __BACKGROUND_H__
diff --git a/src/syscalls.c b/src/syscalls.c
index 1f26835..9f9f077 100644
--- a/src/syscalls.c
+++ b/src/syscalls.c
@@ -17,6 +17,9 @@
 #include "graphic.h"
 #include "IPC/ipc.h"
 #include "IPC/IPC_msg.h"
+#include "version/coreversion.h"
+#include "version/library_version.h"
+#include "background/background.h"
 
 /*
 	Режим ввода с клавиатуры
@@ -107,7 +110,7 @@ static int syscalls_SetSkin(lua_State* L)
 	return 1;
 }
 
-static int syscalls_GetSkinTilteArea(lua_State* L)
+static int syscalls_GetSkinTitleArea(lua_State* L)
 {
 	ksys_pos_t leftRight, topBottom;
 
@@ -408,37 +411,6 @@ static int syscalls_getButton(lua_State* L)
 }
 
 
-/*
-	Backgound
-*/
-
-static int syscalls_backgroundSetSize(lua_State* L)
-{
-	_ksys_bg_set_size(
-		luaL_checkinteger(L, 1),
-		luaL_checkinteger(L, 2));
-
-	return 0;
-}
-
-static int syscalls_backgroundPutPixel(lua_State* L)
-{
-	_ksys_bg_put_pixel(
-		luaL_checkinteger(L, 1),
-		luaL_checkinteger(L, 2),
-		luaL_checkinteger(L, 3),
-		luaL_checkinteger(L, 4));
-
-	return 0;
-}
-
-static int syscalls_backgroundRedraw(lua_State* L)
-{
-	_ksys_bg_redraw();
-
-	return 0;
-}
-
 static int syscalls_getCPUClock(lua_State* L)
 {
 	lua_pushinteger(L, _ksys_get_cpu_clock());
@@ -506,7 +478,7 @@ static int syscalls_getKey(lua_State* L)
 		{
 			char s[2];
 			s[0] = a.code;
-			s[1] = '\n';
+			s[1] = '\0';
 			lua_pushstring(L, s);
 		}
 		else
@@ -1495,7 +1467,7 @@ static const luaL_Reg syscallsLib[] = {
 	{"SetWindowTitle", syscalls_setWindowTitle},
 	{"GetSkinHeight", syscalls_getSkinHeight},
 	{"SetSkin", syscalls_SetSkin},
-	{"GetSkinTitleArea", syscalls_GetSkinTilteArea},
+	{"GetSkinTitleArea", syscalls_GetSkinTitleArea},
 	/* Buttons funcs*/
 	{"DefineButton", syscalls_defineButton},
 	{"DeleteButton", syscalls_deleteButton},
@@ -1507,11 +1479,16 @@ static const luaL_Reg syscallsLib[] = {
 	{"CheckEvent", syscalls_checkEvent},
 	{"WaitEventTimeout", syscalls_waitEventTimeout},
 	/* Background funcs */
-	{"BackgroundSetSize", syscalls_backgroundSetSize},
-	{"BackgroundPutPixel", syscalls_backgroundPutPixel},
-	{"BackgroundRedraw", syscalls_backgroundRedraw},
+	{ "BackgroundSetSize", syscalls_backgroundSetSize },
+	{ "BackgroundPutPixel", syscalls_backgroundPutPixel },
+	{ "BackgroundRedraw", syscalls_backgroundRedraw },
+	{ "BackgroundSetDrawMode", syscalls_backgroundSetDrawMode },
+	{ "BackgroundGetDrawMode", syscalls_backgroundGetDrawMode },
+	{ "BackgroundOpenMap", syscalls_backgroundOpenMap },
+	{ "BackgroundCloseMap", syscalls_backgroundCloseMap },
+	{ "BackgroundRedrawArea", syscalls_backgroundRedrawArea },
 	/* system funcs */
-	{"GetRamSize", syscalls_getRamSize},
+	{ "GetRamSize", syscalls_getRamSize },
 	{"GetFreeRam", syscalls_getFreeRam},
 	{"GetCPUClock", syscalls_getCPUClock},
 	{"ShutdownPowerOff", syscalls_shutdownPowerOff},
@@ -1779,6 +1756,8 @@ LUALIB_API int luaopen_syscalls(lua_State* L)
 {
 	luaL_newlib(L, syscallsLib);
 
+	syscalls_push_library_version(L);
+
 	syscalls_push_events(L);
 	syscalls_push_slotStates(L);
 	syscalls_register_scancodes(L);
@@ -1793,6 +1772,7 @@ LUALIB_API int luaopen_syscalls(lua_State* L)
 
 	syscalls_register_ARPEntry(L);
 	syscalls_register_SystemColors(L);
+	syscalls_register_Version(L);
 
 	_ksys_set_event_mask(7); // set default event mask
 
diff --git a/src/syscalls.h b/src/syscalls.h
index 16b2755..2931d3d 100644
--- a/src/syscalls.h
+++ b/src/syscalls.h
@@ -4,8 +4,9 @@
 #include <lua.h>
 #include <lualib.h>
 #include <lauxlib.h>
+#include <sys/ksys.h>
 
-inline void syscalls_ReturnIntegerOrNil(LUA_INTEGER value, lua_State* L)
+static inline void syscalls_ReturnIntegerOrNil(LUA_INTEGER value, lua_State* L)
 {
 	if (value == -1)
 	{
@@ -17,7 +18,7 @@ inline void syscalls_ReturnIntegerOrNil(LUA_INTEGER value, lua_State* L)
 	}
 }
 
-inline void syscalls_ReturnIntegerValueOrNil(LUA_INTEGER cond, LUA_INTEGER value, lua_State* L)
+static inline void syscalls_ReturnIntegerValueOrNil(LUA_INTEGER cond, LUA_INTEGER value, lua_State* L)
 {
 	if (cond == -1)
 	{
@@ -29,7 +30,7 @@ inline void syscalls_ReturnIntegerValueOrNil(LUA_INTEGER cond, LUA_INTEGER value
 	}
 }
 
-inline void syscalls_ReturnTrueOrNil(LUA_INTEGER value, lua_State* L)
+static inline void syscalls_ReturnTrueOrNil(LUA_INTEGER value, lua_State* L)
 {
 	if (value == -1)
 	{
@@ -41,7 +42,7 @@ inline void syscalls_ReturnTrueOrNil(LUA_INTEGER value, lua_State* L)
 	}
 }
 
-inline void syscalls_ReturnStringOrNil(LUA_INTEGER cond, const char* value, lua_State* L)
+static inline void syscalls_ReturnStringOrNil(LUA_INTEGER cond, const char* value, lua_State* L)
 {
 	if (cond == -1)
 	{
@@ -57,4 +58,23 @@ inline void syscalls_ReturnStringOrNil(LUA_INTEGER cond, const char* value, lua_
 #define LUA_PUSH_STRING_FIELD(L, val, name) lua_pushstring(L, val); lua_setfield(L, -2, name);
 #define LUA_PUSH_NUMBER_FIELD(L, val, name) lua_pushnumber(L, val); lua_setfield(L, -2, name);
 
+static inline ksys_pos_t syscalls_check_pos_t(lua_State* L, int index)
+{
+	ksys_pos_t pos;
+
+	pos.x = luaL_checkinteger(L, index);
+	pos.y = luaL_checkinteger(L, index + 1);
+
+	return pos;
+}
+
+static inline void syscalls_push_pos_t(lua_State* L, ksys_pos_t pos)
+{
+	lua_createtable(L, 0, 2);
+
+	LUA_PUSH_INTEGER_FIELD(L, pos.x, "x");
+
+	LUA_PUSH_INTEGER_FIELD(L, pos.y, "y");
+}
+
 #endif // __SYSCALLS_H__
diff --git a/src/version/coreversion.c b/src/version/coreversion.c
new file mode 100644
index 0000000..a50d712
--- /dev/null
+++ b/src/version/coreversion.c
@@ -0,0 +1,13 @@
+#include "coreversion.h"
+
+int syscalls_GetCoreVersion(lua_State* L)
+{
+	struct core_version* ver = syscalls_pushVersion(L);
+
+	asm_inline(
+		"int $0x40"
+		::"a"(18), "b"(13), "c"(ver)
+	);
+
+	return 1;
+}
\ No newline at end of file
diff --git a/src/version/coreversion.h b/src/version/coreversion.h
new file mode 100644
index 0000000..cfa3782
--- /dev/null
+++ b/src/version/coreversion.h
@@ -0,0 +1,8 @@
+#ifndef __CORE_VERSION_H__
+#define __CORE_VERSION_H__
+
+#include "version_type.h"
+
+int syscalls_GetCoreVersion(lua_State *L);
+
+#endif // __CORE_VERSION_H__
diff --git a/src/version/library_version.h b/src/version/library_version.h
new file mode 100644
index 0000000..f2f5067
--- /dev/null
+++ b/src/version/library_version.h
@@ -0,0 +1,17 @@
+#ifndef __LIBRARY_VERSION_H__
+#define __LIBRARY_VERSION_H__
+
+#include "../syscalls.h"
+
+inline void syscalls_push_library_version(lua_State* L)
+{
+	lua_createtable(L, 0, 3);
+
+	LUA_PUSH_INTEGER_FIELD(L, SYSCALLS_VERSION_A, "a");
+	LUA_PUSH_INTEGER_FIELD(L, SYSCALLS_VERSION_B, "b");
+	LUA_PUSH_INTEGER_FIELD(L, SYSCALLS_VERSION_C, "c");
+
+	lua_setfield(L, -2, "version");
+}
+
+#endif // __LIBRARY_VERSION_H__
\ No newline at end of file
diff --git a/src/version/version_type.c b/src/version/version_type.c
new file mode 100644
index 0000000..ff8394a
--- /dev/null
+++ b/src/version/version_type.c
@@ -0,0 +1,202 @@
+#include "version_type.h"
+#include <string.h>
+#include "../debug.h"
+
+static int syscalls_indexVersion(lua_State* L)
+{
+	struct core_version* r = luaL_checkudata(L, 1, syscalls_Version_metatable_name);
+	const char* index = luaL_checkstring(L, 2);
+
+	if (strcmp(index, "a") == 0)
+	{
+		lua_pushinteger(L, r->a);
+	}
+	else if (strcmp(index, "b") == 0)
+	{
+		lua_pushinteger(L, r->b);
+	}
+	else if (strcmp(index, "c") == 0)
+	{
+		lua_pushinteger(L, r->c);
+	}
+	else if (strcmp(index, "d") == 0)
+	{
+		lua_pushinteger(L, r->d);
+	}
+	else if (strcmp(index, "rev") == 0)
+	{
+		lua_pushinteger(L, r->revision);
+	}
+	else
+	{
+		lua_pushnil(L);
+	}
+
+	return 1;
+}
+
+static int syscalls_newindexVersion(lua_State* L)
+{
+	struct core_version* r = luaL_checkudata(L, 1, syscalls_Version_metatable_name);
+	const char* index = luaL_checkstring(L, 2);
+	uint32_t val = luaL_checkinteger(L, 3);
+
+	if (strcmp(index, "a") == 0)
+	{
+		r->a = val;
+	}
+	else if (strcmp(index, "b") == 0)
+	{
+		r->b = val;
+	}
+	else if (strcmp(index, "c") == 0)
+	{
+		r->c = val;
+	}
+	else if (strcmp(index, "d") == 0)
+	{
+		r->d = val;
+	}
+	else if (strcmp(index, "rev") == 0)
+	{
+		r->revision = val;
+	}
+	else
+	{
+		luaL_error(L, "wrong index: %s", index);
+	}
+
+	return 0;
+}
+
+static int syscalls_eqVersion(lua_State* L)
+{
+	lua_pushboolean(
+		L,
+		memcmp(
+			luaL_checkudata(L, 1, syscalls_Version_metatable_name),
+			luaL_checkudata(L, 2, syscalls_Version_metatable_name),
+			sizeof(struct core_version)
+		)
+	);
+
+	return 1;
+}
+
+static int syscalls_ltVersion(lua_State* L)
+{
+	struct core_version* a = luaL_checkudata(L, 1, syscalls_Version_metatable_name);
+	struct core_version* b = luaL_checkudata(L, 2, syscalls_Version_metatable_name);
+
+	bool r;
+
+	if (a->a < b->a)
+		r = true;
+	else if (a->b < b->b)
+		r = true;
+	else if (a->c < b->c)
+		r = true;
+	else if (a->d < b->d)
+		r = true;
+	else if (a->revision < b->revision)
+		r = true;
+	else
+		r = false;
+
+	lua_pushboolean(L, r);
+
+	return 1;
+}
+
+static int syscalls_leVersion(lua_State* L)
+{
+	struct core_version* a = luaL_checkudata(L, 1, syscalls_Version_metatable_name);
+	struct core_version* b = luaL_checkudata(L, 2, syscalls_Version_metatable_name);
+
+	bool r;
+
+	if (a->a <= b->a)
+		r = true;
+	else if (a->b <= b->b)
+		r = true;
+	else if (a->c <= b->c)
+		r = true;
+	else if (a->d <= b->d)
+		r = true;
+	else if (a->revision <= b->revision)
+		r = true;
+	else
+		r = false;
+
+	lua_pushboolean(L, r);
+	return 1;
+}
+
+static int syscalls_tostringVersion(lua_State* L)
+{
+	// AAA.BBB.CCC.DDD.RRRRRRRRRRRRR
+	// +1 на конце на всякий случай
+	char buff[4 + 4 + 4 + 4 + 13 + 1];
+	struct core_version* a = luaL_checkudata(L, 1, syscalls_Version_metatable_name);
+
+	sprintf(buff, "%d.%d.%d.%d.%d", a->a, a->b, a->c, a->d, a->revision);
+
+	lua_pushstring(L, buff);
+
+	return 1;
+}
+
+static const luaL_Reg syscalls_Version_m[] = {
+	{"__index", syscalls_indexVersion},
+	{"__newindex", syscalls_newindexVersion},
+	{"__eq", syscalls_eqVersion},
+	{"__lt", syscalls_ltVersion},
+	{"__le", syscalls_ltVersion},
+	{"__tostring", syscalls_tostringVersion},
+	{NULL, NULL}
+};
+
+struct core_version* syscalls_pushVersion(lua_State* L)
+{
+	DEBUG_LINE("push Version entry");
+
+	struct core_version* entry = lua_newuserdata(L, sizeof(struct core_version));
+
+	luaL_setmetatable(L, syscalls_Version_metatable_name);
+
+	return entry;
+}
+
+static int syscalls_newVersion(lua_State* L)
+{
+	struct core_version* r = syscalls_pushVersion(L);
+	memset(r, 0, sizeof(struct core_version));
+
+	r->a = luaL_checkinteger(L, 1);
+	r->b = luaL_checkinteger(L, 2);
+	r->c = luaL_checkinteger(L, 3);
+	r->d = luaL_checkinteger(L, 4);
+	r->revision = luaL_checkinteger(L, 5);
+
+	return 1;
+}
+
+static const luaL_Reg syscalls_Version_lib[] = {
+	{"new", syscalls_newVersion},
+	{NULL, NULL}
+};
+
+void syscalls_register_Version(lua_State* L)
+{
+	DEBUG_LINE("register Version entry");
+
+	luaL_newlib(L, syscalls_Version_lib);
+
+	lua_setfield(L, -2, syscalls_Version_name);
+
+
+	luaL_newmetatable(L, syscalls_Version_metatable_name);
+	luaL_setfuncs(L, syscalls_Version_m, 0);
+
+	lua_pop(L, 1);
+}
diff --git a/src/version/version_type.h b/src/version/version_type.h
new file mode 100644
index 0000000..9fe66d7
--- /dev/null
+++ b/src/version/version_type.h
@@ -0,0 +1,28 @@
+#ifndef __VERSION_TYPE_H__
+#define __VERSION_TYPE_H__
+
+#include <sys/ksys.h>
+#include "../syscalls.h"
+
+// sub library name
+#define syscalls_Version_name "CoreVersion"
+#define syscalls_Version_metatable_name "Version table"
+#define syscalls_Version_metatable_name "Version metatable"
+
+struct core_version
+{
+	uint8_t a;
+	uint8_t b;
+	uint8_t c;
+	uint8_t d;
+	uint8_t zero;
+	uint32_t revision;
+
+	uint32_t unused;
+};
+
+struct core_version* syscalls_pushVersion(lua_State* L);
+
+void syscalls_register_Version(lua_State* L);
+
+#endif // __VERSION_TYPE_H__