diff --git a/Depfile b/Depfile
index b72d9ee..ded280f 100644
--- a/Depfile
+++ b/Depfile
@@ -26,9 +26,12 @@ LDFLAGS=-g -m32 -nostdlib -fno-builtin -Tkernel.ld
 
 --
 
-obj/main.o: scripts/main.spark
+obj/main.o: scripts/main.cu
+	/home/felix/projects/Electronics/build-Electronics-Desktop-Debug/bin/copper \
+		scripts/main.cu > \
+		scripts/main.cu.spark
 	/home/felix/projects/Electronics/build-Electronics-Desktop-Debug/bin/spark \
-		scripts/main.spark \
+		scripts/main.cu.spark \
 		obj/main.ca
 	objcopy -B i386 -I binary -O elf32-i386 \
 		obj/main.ca obj/main.o
diff --git a/Makefile b/Makefile
index d0a49a8..e1a8e76 100644
--- a/Makefile
+++ b/Makefile
@@ -29,8 +29,8 @@ all: kernel
 clean:
 	$(RM) obj/dynamic.o obj/intr_common_handler.o obj/multiboot.o obj/start.o obj/console.o obj/init.o obj/interrupts.o obj/malloc.o obj/pmm.o obj/serial.o obj/stdlib.o obj/timer.o obj/vmm.o obj/cplusplus.o obj/cpp-test.o obj/vm.o obj/cpustatetype.o obj/main.o
 
-kernel: obj/dynamic.o obj/intr_common_handler.o obj/multiboot.o obj/start.o obj/console.o obj/init.o obj/interrupts.o obj/malloc.o obj/pmm.o obj/serial.o obj/stdlib.o obj/timer.o obj/vmm.o obj/cplusplus.o obj/cpp-test.o obj/vm.o obj/cpustatetype.o obj/main.o conductance/assembly.o conductance/compoundtype.o conductance/opcodes.o conductance/string.o conductance/virtualmachine.o conductance/vmpointertype.o conductance/vmprimitivetype.o conductance/vmtype.o conductance/vmvalue.o conductance/vmvoidtype.o
-	$(LD) $(FLAGS) $(LDFLAGS) -o $@ obj/dynamic.o obj/intr_common_handler.o obj/multiboot.o obj/start.o obj/console.o obj/init.o obj/interrupts.o obj/malloc.o obj/pmm.o obj/serial.o obj/stdlib.o obj/timer.o obj/vmm.o obj/cplusplus.o obj/cpp-test.o obj/vm.o obj/cpustatetype.o obj/main.o conductance/assembly.o conductance/compoundtype.o conductance/opcodes.o conductance/string.o conductance/virtualmachine.o conductance/vmpointertype.o conductance/vmprimitivetype.o conductance/vmtype.o conductance/vmvalue.o conductance/vmvoidtype.o
+kernel: obj/dynamic.o obj/intr_common_handler.o obj/multiboot.o obj/start.o obj/console.o obj/init.o obj/interrupts.o obj/malloc.o obj/pmm.o obj/serial.o obj/stdlib.o obj/timer.o obj/vmm.o obj/cplusplus.o obj/cpp-test.o obj/vm.o obj/cpustatetype.o obj/main.o conductance/assembly.o conductance/compoundtype.o conductance/opcodes.o conductance/process.o conductance/string.o conductance/thread.o conductance/virtualmachine.o conductance/vmpointertype.o conductance/vmprimitivetype.o conductance/vmtype.o conductance/vmvalue.o conductance/vmvoidtype.o
+	$(LD) $(FLAGS) $(LDFLAGS) -o $@ obj/dynamic.o obj/intr_common_handler.o obj/multiboot.o obj/start.o obj/console.o obj/init.o obj/interrupts.o obj/malloc.o obj/pmm.o obj/serial.o obj/stdlib.o obj/timer.o obj/vmm.o obj/cplusplus.o obj/cpp-test.o obj/vm.o obj/cpustatetype.o obj/main.o conductance/assembly.o conductance/compoundtype.o conductance/opcodes.o conductance/process.o conductance/string.o conductance/thread.o conductance/virtualmachine.o conductance/vmpointertype.o conductance/vmprimitivetype.o conductance/vmtype.o conductance/vmvalue.o conductance/vmvoidtype.o
 
 # src/console.c
 obj/console.o: src/console.c include/console.h include/kstdlib.h \
@@ -123,9 +123,12 @@ obj/start.o: asm/start.S
 
 # Custom Targets
 
-obj/main.o: scripts/main.spark
+obj/main.o: scripts/main.cu
+	/home/felix/projects/Electronics/build-Electronics-Desktop-Debug/bin/copper \
+		scripts/main.cu > \
+		scripts/main.cu.spark
 	/home/felix/projects/Electronics/build-Electronics-Desktop-Debug/bin/spark \
-		scripts/main.spark \
+		scripts/main.cu.spark \
 		obj/main.ca
 	objcopy -B i386 -I binary -O elf32-i386 \
 		obj/main.ca obj/main.o
diff --git a/conductance/Makefile b/conductance/Makefile
index 681850f..227a7b1 100644
--- a/conductance/Makefile
+++ b/conductance/Makefile
@@ -54,7 +54,9 @@ SOURCES       = ../../Electronics/Electronics/Conductance/types/compoundtype.cpp
 		../../Electronics/Electronics/Conductance/virtualmachine.cpp \
 		../../Electronics/Electronics/Conductance/vmtype.cpp \
 		../../Electronics/Electronics/Conductance/vmvalue.cpp \
-		../ker/string.cpp 
+		../ker/string.cpp \
+		../../Electronics/Electronics/Conductance/thread.cpp \
+		../../Electronics/Electronics/Conductance/process.cpp 
 OBJECTS       = compoundtype.o \
 		vmpointertype.o \
 		vmprimitivetype.o \
@@ -64,7 +66,9 @@ OBJECTS       = compoundtype.o \
 		virtualmachine.o \
 		vmtype.o \
 		vmvalue.o \
-		string.o
+		string.o \
+		thread.o \
+		process.o
 DIST          = /usr/lib/qt/mkspecs/features/spec_pre.prf \
 		/usr/lib/qt/mkspecs/common/unix.conf \
 		/usr/lib/qt/mkspecs/common/linux.conf \
@@ -248,7 +252,9 @@ DIST          = /usr/lib/qt/mkspecs/features/spec_pre.prf \
 		../../Electronics/Electronics/Conductance/virtualmachine.cpp \
 		../../Electronics/Electronics/Conductance/vmtype.cpp \
 		../../Electronics/Electronics/Conductance/vmvalue.cpp \
-		../ker/string.cpp
+		../ker/string.cpp \
+		../../Electronics/Electronics/Conductance/thread.cpp \
+		../../Electronics/Electronics/Conductance/process.cpp
 QMAKE_TARGET  = Conductance
 DESTDIR       = #avoid trailing-slash linebreak
 TARGET        = libConductance.a
@@ -817,6 +823,50 @@ string.o: ../ker/string.cpp ../include/ker/string.hpp \
 		../include/malloc.h
 	$(CXX) -c $(CXXFLAGS) $(INCPATH) -o string.o ../ker/string.cpp
 
+thread.o: ../../Electronics/Electronics/Conductance/thread.cpp ../include/kstdlib.h \
+		../include/varargs.h \
+		../include/config.h \
+		../include/malloc.h \
+		../../Electronics/Electronics/Conductance/vmtype.hpp \
+		../../Electronics/Electronics/Conductance/vmtypes.hpp \
+		../include/ker/string.hpp \
+		../include/ker/vector.hpp \
+		../include/ker/new.hpp \
+		../../Electronics/Electronics/Conductance/vmvalue.hpp \
+		../../Electronics/Electronics/Conductance/opcodes.hpp \
+		../include/ker/dictionary.hpp \
+		../include/kernel.h \
+		../include/ker/pair.hpp \
+		../../Electronics/Electronics/Tools/fixedstring.hpp \
+		../../Electronics/Electronics/Conductance/virtualmachine.hpp \
+		../../Electronics/Electronics/Tools/binaryreader.hpp \
+		../../Electronics/Electronics/Tools/refcounted.hpp \
+		../../Electronics/Electronics/Conductance/assembly.hpp \
+		../../Electronics/Electronics/Conductance/types/compoundtype.hpp
+	$(CXX) -c $(CXXFLAGS) $(INCPATH) -o thread.o ../../Electronics/Electronics/Conductance/thread.cpp
+
+process.o: ../../Electronics/Electronics/Conductance/process.cpp ../include/kstdlib.h \
+		../include/varargs.h \
+		../include/config.h \
+		../include/malloc.h \
+		../../Electronics/Electronics/Conductance/vmtype.hpp \
+		../../Electronics/Electronics/Conductance/vmtypes.hpp \
+		../include/ker/string.hpp \
+		../include/ker/vector.hpp \
+		../include/ker/new.hpp \
+		../../Electronics/Electronics/Conductance/vmvalue.hpp \
+		../../Electronics/Electronics/Conductance/opcodes.hpp \
+		../include/ker/dictionary.hpp \
+		../include/kernel.h \
+		../include/ker/pair.hpp \
+		../../Electronics/Electronics/Tools/fixedstring.hpp \
+		../../Electronics/Electronics/Conductance/virtualmachine.hpp \
+		../../Electronics/Electronics/Tools/binaryreader.hpp \
+		../../Electronics/Electronics/Tools/refcounted.hpp \
+		../../Electronics/Electronics/Conductance/assembly.hpp \
+		../../Electronics/Electronics/Conductance/types/compoundtype.hpp
+	$(CXX) -c $(CXXFLAGS) $(INCPATH) -o process.o ../../Electronics/Electronics/Conductance/process.cpp
+
 ####### Install
 
 install:  FORCE
diff --git a/scripts/main.cu b/scripts/main.cu
index e69de29..d173042 100644
--- a/scripts/main.cu
+++ b/scripts/main.cu
@@ -0,0 +1,25 @@
+PUB main() | i : INT
+BEGIN
+    native.print("Hello World!\n");
+    1 → i;
+    WHILE i <= 5 DO
+        native.print(i, "\n");
+        (i + 1) → i;
+    END
+END
+
+PUB irq(id : INT, data : INT)
+BEGIN
+    native.print("irq:", id, ", ", data.eax, " ", data.ebx, "\n");
+END
+
+#!
+Was noch gemacht werden muss, bis der Tastatur-Treiber funktionieren könnte:
+    - Support für beliebige Typen in Copper
+    - Pushen von Typen != INT
+        - erweiterung von pushi um typcode (u?int(8|16|32), bool)
+        - erweiterung von pushr um typcode
+    - Bitwise Operations
+    - outb und inb
+    - eventuell hex literals für Copper
+!#
diff --git a/scripts/main.cu.spark b/scripts/main.cu.spark
new file mode 100644
index 0000000..7b6ce7a
--- /dev/null
+++ b/scripts/main.cu.spark
@@ -0,0 +1,58 @@
+; =============================================
+; compiled with Copper 1.0
+; 2015-10-09 23:28:07
+; =============================================
+
+; fndecl
+; 1, main
+.export main
+main:
+	pushnil ; return value
+	pushnil ; i:INT
+	; Here be dragons!
+	pusht "Hello World!\n"
+	calln print 1
+
+	pushi 1
+	store 1
+
+_private_0:
+	load 1
+	pushi 5
+	op2 8
+	jmp_if_not _private_1
+	load 1
+	pusht "\n"
+	calln print 2
+
+	load 1
+	pushi 1
+	op2 0
+	store 1
+
+	jmp _private_0
+_private_1:
+
+	ret
+; end of main
+
+; fndecl
+; 1, irq
+.export irq
+irq:
+	pushnil ; return value
+	; Here be dragons!
+	pusht "irq:"
+	load -1
+	pusht ", "
+	load -2
+	readfld eax
+	pusht " "
+	load -2
+	readfld ebx
+	pusht "\n"
+	calln print 7
+
+	ret
+; end of irq
+
diff --git a/scripts/main.spark b/scripts/main.spark
index d27ec54..ddd110f 100644
--- a/scripts/main.spark
+++ b/scripts/main.spark
@@ -7,19 +7,19 @@
 
 ; PUB main()
 main:
-	pushi 0
+	pushi 2 0
 
 	pusht "Hello World from Conductance!\n"
 	calln print 1
 
 _loop:
 	load 0
-	pushi 5
+	pushi 2 5
 	comp_less
 	jmp_if_not _end
 
 	load 0
-	pushi 1
+	pushi 2 1
 	add
 	store 0
 
diff --git a/trainOS.pro b/trainOS.pro
index b37d4a1..384aa6e 100644
--- a/trainOS.pro
+++ b/trainOS.pro
@@ -54,7 +54,8 @@ DISTFILES += \
     Makefile.new \
     asm/dynamic.S \
 	README.md \
-    scripts/main.spark
+    scripts/main.spark \
+    scripts/main.cu
 
 INCLUDEPATH += include
 DEPENDPATH += include