diff --git a/P8000_WDC_Emulator/P8000_WDC_Emulator/Makefile b/P8000_WDC_Emulator/P8000_WDC_Emulator/Makefile
new file mode 100644
index 0000000..4120010
--- /dev/null
+++ b/P8000_WDC_Emulator/P8000_WDC_Emulator/Makefile
@@ -0,0 +1,36 @@
+OUTPUT_FILE=P8000_WDC_Emulator
+MCU=	-mmcu=atmega1284p
+
+CC=avr-gcc
+CFLAGS= -I/usr/local/avr/include -funsigned-char -funsigned-bitfields -O1 \
+	-ffunction-sections -fpack-struct -fshort-enums -Wall -Wundef \
+	-Werror -pedantic -pedantic-errors -c -std=gnu99  ${MCU}
+
+LDFLAGS=-Wl,-Map="${OUTPUT_FILE}.map" -Wl,--start-group -Wl,-lm  \
+	-Wl,--end-group -Wl,--gc-sections -mrelax ${MCU}
+
+RM := rm -rf
+
+OBJS +=  \
+main.o \
+mmc.o \
+uart.o \
+wdc_if_pio.o \
+wdc_if_sdcard.o \
+wdc_par.o \
+wdc_ram.o
+
+
+all: ${OUTPUT_FILE}
+
+${OUTPUT_FILE}: ${OBJS}
+	avr-gcc -o${OUTPUT_FILE}.elf ${OBJS} ${LDFLAGS}
+	avr-objcopy -O ihex -R .eeprom -R .fuse -R .lock -R .signature  "${OUTPUT_FILE}.elf" "${OUTPUT_FILE}.hex"
+	avr-objcopy -j .eeprom  --set-section-flags=.eeprom=alloc,load --change-section-lma .eeprom=0  --no-change-warnings -O ihex "${OUTPUT_FILE}.elf" "${OUTPUT_FILE}.eep" || exit 0
+	avr-objdump -h -S "${OUTPUT_FILE}.elf" > "${OUTPUT_FILE}.lss"
+	avr-size "${OUTPUT_FILE}.elf"
+	
+clean:
+	-${RM} ${OBJS}
+	rm -rf "${OUTPUT_FILE}.elf" "${OUTPUT_FILE}.a" "${OUTPUT_FILE}.hex" "${OUTPUT_FILE}.lss" "${OUTPUT_FILE}.eep" "${OUTPUT_FILE}.map"
+	
diff --git a/P8000_WDC_Emulator/P8000_WDC_Emulator/wdc_main.c b/P8000_WDC_Emulator/P8000_WDC_Emulator/wdc_main.c
index 6ed12b7..de3053c 100644
--- a/P8000_WDC_Emulator/P8000_WDC_Emulator/wdc_main.c
+++ b/P8000_WDC_Emulator/P8000_WDC_Emulator/wdc_main.c
@@ -1,7 +1,7 @@
 /*
  * P8000 WDC Emulator
  *
- * $Id: wdc_main.c,v 1.13 2012/06/06 22:05:06 olivleh1 Exp $
+ * $Id: wdc_main.c,v 1.14 2012/06/06 23:10:31 olivleh1 Exp $
  *
  * TODO: - Different Errorcodes in the MMC layer (use defines)
  *       - errorchecking in several places
@@ -341,7 +341,7 @@ main ( void )
 
 void atmega_setup ( void )
 {
-    //    set_sleep_mode ( SLEEP_MODE_IDLE );
+    set_sleep_mode ( SLEEP_MODE_IDLE );
     uart_init();
     wdc_init_ports();
     while ( wdc_init_sdcard() ) {