diff --git a/programs/emulator/e80/trunk/compile.bat b/programs/emulator/e80/trunk/compile_eng.bat
similarity index 85%
rename from programs/emulator/e80/trunk/compile.bat
rename to programs/emulator/e80/trunk/compile_eng.bat
index ccca77aa6f..972ffe19ed 100644
--- a/programs/emulator/e80/trunk/compile.bat
+++ b/programs/emulator/e80/trunk/compile_eng.bat
@@ -1,5 +1,6 @@
 del *.o
 fasm asm_code.asm start.o
+echo #define LANG_ENG 1 > lang.h
 gcc -c z80/z80.c
 gcc -c system/kolibri.c
 gcc -c system/stdlib.c
diff --git a/programs/emulator/e80/trunk/compile_rus.bat b/programs/emulator/e80/trunk/compile_rus.bat
new file mode 100644
index 0000000000..490364324b
--- /dev/null
+++ b/programs/emulator/e80/trunk/compile_rus.bat
@@ -0,0 +1,12 @@
+del *.o
+fasm asm_code.asm start.o
+echo #define LANG_RUS 1 > lang.h
+gcc -c z80/z80.c
+gcc -c system/kolibri.c
+gcc -c system/stdlib.c
+gcc -c system/string.c
+gcc -c e80.c
+ld -nostdlib -T kolibri.ld -o e80.kex start.o kolibri.o stdlib.o string.o z80.o e80.o 
+objcopy e80.kex -O binary
+kpack e80.kex
+pause
\ No newline at end of file
diff --git a/programs/emulator/e80/trunk/e80.c b/programs/emulator/e80/trunk/e80.c
index 0470e1bc16..1b68e8dc49 100644
--- a/programs/emulator/e80/trunk/e80.c
+++ b/programs/emulator/e80/trunk/e80.c
@@ -1,4 +1,9 @@
 
+#ifndef AUTOBUILD
+// autobuild does not create lang.h, but defines LANG_{RUS,ENG} directly
+#include "lang.h"
+#endif
+
 #include "system/kolibri.h"
 #include "system/stdlib.h"
 #include "system/string.h"
diff --git a/programs/emulator/e80/trunk/system/msgbox.c b/programs/emulator/e80/trunk/system/msgbox.c
index fda06dee3d..b79850ea96 100644
--- a/programs/emulator/e80/trunk/system/msgbox.c
+++ b/programs/emulator/e80/trunk/system/msgbox.c
@@ -18,18 +18,14 @@
 
 ///=============================
 
-#define LANG_EN
-
-#ifdef LANG_RU
+#if LANG_RUS
 char BTN_OK[]={"OK"};
 char BTN_CANCEL[]={"Отмена"};
 char BTN_ABORT[]={"Прекратить"};
 char BTN_RETRY[]={"Повторить"};
 char BTN_INGNORE[]={"Игнорировать"};
 char BTN_NO[]={"Нет"};
-#endif
-
-#ifdef LANG_EN
+#else
 char BTN_OK[]={"OK"};
 char BTN_CANCEL[]={"Cancel"};
 char BTN_ABORT[]={"Abort"};