diff --git a/cpu/6502/6502def.h b/cpu/6502/6502def.h
index c0f5c999a..4552f1b6f 100644
--- a/cpu/6502/6502def.h
+++ b/cpu/6502/6502def.h
@@ -68,7 +68,6 @@ typedef unsigned short uip_stats_t;
 #define UIP_ARCH_ADD32  1
 #define UIP_ARCH_CHKSUM 1
 
-#define UIP_CONF_LLH_LEN                      14
 #define RESOLV_CONF_SUPPORTS_MDNS              0
 #define RESOLV_CONF_SUPPORTS_RECORD_EXPIRATION 0
 
@@ -80,6 +79,12 @@ void logscr(const void *msg, unsigned len);
 #define logscr(msg, len) write(STDERR_FILENO, msg, len)
 #endif
 
+#if WITH_SLIP
+#define UIP_CONF_LLH_LEN  0
+#else /* WITH_SLIP */
+#define UIP_CONF_LLH_LEN 14
+#endif /* WITH_SLIP */
+
 #if MTU_SIZE
 #define UIP_CONF_BUFFER_SIZE (UIP_LLH_LEN + MTU_SIZE)
 #else /* MTU_SIZE */
diff --git a/cpu/6502/Makefile.6502 b/cpu/6502/Makefile.6502
index 07e8e3af6..1ddf9599c 100644
--- a/cpu/6502/Makefile.6502
+++ b/cpu/6502/Makefile.6502
@@ -31,6 +31,10 @@
 # Author: Oliver Schmidt <ol.sc@web.de>
 #
 
+ifdef SLIP
+  DEFINES += WITH_SLIP
+endif
+
 .SUFFIXES:
 
 CONTIKI_TARGET_DIRS = . lib sys
@@ -39,7 +43,7 @@ CONTIKI_CPU_DIRS    = . lib sys ctk net
 CONTIKI_TARGET_SOURCEFILES += contiki-main.c
 CONTIKI_CPU_SOURCEFILES    += log.c error.c unload.c config.c ctk-mouse.c \
                               clock.c mtarch.c mtarch-asm.S lc-asm.S \
-                              uip_arch.c ethernet-drv.c ethernet.c
+                              uip_arch.c slip_arch.c ethernet-drv.c ethernet.c
 
 ETHERNET_SOURCEFILES = cs8900a.S lan91c96.S w5100.S
 
diff --git a/cpu/6502/README.md b/cpu/6502/README.md
index 103631b58..13c7b7019 100644
--- a/cpu/6502/README.md
+++ b/cpu/6502/README.md
@@ -6,7 +6,7 @@ cc65 compiler [http://cc65.github.io/cc65/](http://cc65.github.io/cc65/).
 
 The Contiki network configuration for 6502-based targets is loaded from a
 binary configuration file (by default named contiki.cfg). It has the following
-format:
+format for Ethernet:
 
 - Bytes  1 -  4: IP Address     (HiByte first)
 - Bytes  5 -  8: Subnet Mask    (HiByte first)
@@ -15,10 +15,13 @@ format:
 - Bytes 17 - 18: Ethernet card I/O address (LoByte first !)
 - Bytes 19 - xx: Ethernet card driver name (ASCII / PETSCII)
 
-An online Contiki configuration file generator is available at two sites:
+It has the following format for SLIP (based on RS232 driver coming with cc65):
 
-- [http://www.a2retrosystems.com/contiki.html](http://www.a2retrosystems.com/contiki.html)
-- [http://contiki.cbm8bit.com](http://contiki.cbm8bit.com)
+- Bytes  1 -  4: IP Address     (HiByte first)
+- Bytes  5 -  8: Subnet Mask    (HiByte first)
+- Bytes  9 - 12: Default Router (HiByte first)
+- Bytes 13 - 16: DNS Server     (HiByte first)
+- Bytes 17 - 21: struct ser_params (see cc65 serial.h)
 
 The build for 6502-based machines includes the 'disk' make goal which creates a
 bootable floppy disk image containing the project binary, a sample
@@ -32,6 +35,11 @@ make goal. The values of the high-level configuration macros are not tracked by
 the build so a manual rebuild is necessary on any change. The following
 high-level configuration macros may be set:
 
+- WITH_SLIP
+    - Default: 0
+    - Purpose: Use SLIP (based on RS232 driver coming with cc65) instead of
+      Ethernet.
+
 - MTU_SIZE
     - Default: 1500
     - Purpose: Set the Maximum Transfer Unit size.
@@ -78,6 +86,10 @@ high-level configuration macros may be set:
     - Default: 0
     - Purpose: Enable CTK mouse support and load a mouse driver.
 
+- STATIC_MOUSE
+    - Default: N/A
+    - Purpose: Link mouse driver statically instead of loading it dynamically.
+
 - WITH_ARGS
     - Default: 0
     - Purpose: Enable support for contiki_argc / contiki_argv.
diff --git a/cpu/6502/ctk/ctk-mouse.c b/cpu/6502/ctk/ctk-mouse.c
index e578dfb0a..c3a718dbc 100644
--- a/cpu/6502/ctk/ctk-mouse.c
+++ b/cpu/6502/ctk/ctk-mouse.c
@@ -49,6 +49,15 @@ static uint8_t okay;
 void
 ctk_mouse_init(void)
 {
+#ifdef STATIC_MOUSE
+
+  okay = mouse_install(&mouse_def_callbacks, &STATIC_MOUSE) == MOUSE_ERR_OK;
+  if(okay) {
+    atexit((void (*)(void))mouse_uninstall);
+  }
+
+#else /* STATIC_MOUSE */
+
   struct mod_ctrl module_control = {cfs_read};
 
   module_control.callerdata = cfs_open("contiki.mou", CFS_READ);
@@ -65,6 +74,8 @@ ctk_mouse_init(void)
     }
     cfs_close(module_control.callerdata);
   }
+
+#endif /* STATIC_MOUSE */
 }
 /*-----------------------------------------------------------------------------------*/
 unsigned short
diff --git a/cpu/6502/ethconfig/ethconfig.c b/cpu/6502/ethconfig/ethconfig.c
index 8dd9dba2f..058f56a86 100644
--- a/cpu/6502/ethconfig/ethconfig.c
+++ b/cpu/6502/ethconfig/ethconfig.c
@@ -42,6 +42,7 @@ choose(uint8_t max)
     exit(0);
   }
 
+  putchar('\n');
   return val - '0';
 }
 /*-----------------------------------------------------------------------------------*/
@@ -65,13 +66,13 @@ main(void)
   d = choose(d) - 1;
 
 #ifdef __APPLE2__
-  printf("\nSlot (1-7)\n");
+  printf("Slot (1-7)\n");
   drivers[d].address += choose(7) * 0x10;
 #endif
 
   f = cfs_open("contiki.cfg", CFS_WRITE);
   if(f == -1) {
-    printf("\nSaving Config - Error\n");
+    printf("Saving Config - Error\n");
     return;
   }
   cfs_write(f, ipcfg, sizeof(ipcfg));
@@ -79,6 +80,6 @@ main(void)
   cfs_write(f, drivers[d].driver, strlen(drivers[d].driver));
   cfs_close(f);
 
-  printf("\nSaving Config - Done\n");
+  printf("Saving Config - Done\n");
 }
 /*-----------------------------------------------------------------------------------*/
diff --git a/cpu/6502/lib/config.c b/cpu/6502/lib/config.c
index e1c2cecc6..b296f89df 100644
--- a/cpu/6502/lib/config.c
+++ b/cpu/6502/lib/config.c
@@ -39,7 +39,24 @@
 #include "cfs/cfs.h"
 #include "sys/log.h"
 #include "lib/error.h"
-#include "net/ethernet-drv.h"
+
+#include "lib/config.h"
+
+struct {
+  uip_ipaddr_t hostaddr;
+  uip_ipaddr_t netmask;
+  uip_ipaddr_t draddr;
+  uip_ipaddr_t resolvaddr;
+  union {
+    struct {
+      uint16_t addr;
+#ifndef STATIC_DRIVER
+      char     name[12+1];
+#endif /* !STATIC_DRIVER */
+    }          ethernet;
+    uint8_t    slip[5];
+  };
+} config;
 
 /*-----------------------------------------------------------------------------------*/
 #if LOG_CONF_ENABLED
@@ -59,16 +76,9 @@ ipaddrtoa(uip_ipaddr_t *ipaddr, char *buffer)
 }
 #endif /* LOG_CONF_ENABLED */
 /*-----------------------------------------------------------------------------------*/
-struct ethernet_config *
+void
 config_read(char *filename)
 {
-  static struct {
-    uip_ipaddr_t           hostaddr;
-    uip_ipaddr_t           netmask;
-    uip_ipaddr_t           draddr;
-    uip_ipaddr_t           resolvaddr;
-    struct ethernet_config ethernetcfg;
-  } config;
   int file;
 
   file = cfs_open(filename, CFS_READ);
@@ -77,29 +87,35 @@ config_read(char *filename)
     error_exit();
   }
 
-  if(cfs_read(file, &config, sizeof(config)) < sizeof(config)
-                                             - sizeof(config.ethernetcfg.name)) {
+  if(cfs_read(file, &config, sizeof(config)) < sizeof(uip_ipaddr_t) * 4
+                                             + sizeof(uint16_t)) {
     log_message(filename, ": No config file");
     error_exit();
   }
 
   cfs_close(file);
 
-  log_message("IP Address:  ",  ipaddrtoa(&config.hostaddr, uip_buf));
-  log_message("Subnet Mask: ",  ipaddrtoa(&config.netmask, uip_buf));
-  log_message("Def. Router: ",  ipaddrtoa(&config.draddr, uip_buf));
-  log_message("DNS Server:  ",  ipaddrtoa(&config.resolvaddr, uip_buf));
+  log_message("IP Address:  ", ipaddrtoa(&config.hostaddr, uip_buf));
+  log_message("Subnet Mask: ", ipaddrtoa(&config.netmask, uip_buf));
+  log_message("Def. Router: ", ipaddrtoa(&config.draddr, uip_buf));
+  log_message("DNS Server:  ", ipaddrtoa(&config.resolvaddr, uip_buf));
 
-#ifndef STATIC_DRIVER
-  log_message("Eth. Driver: ",  config.ethernetcfg.name);
-#else /* !STATIC_DRIVER */
+#ifdef STATIC_DRIVER
   #define _stringize(arg) #arg
   #define  stringize(arg) _stringize(arg)
-  log_message("Eth. Driver: ",  stringize(ETHERNET));
+#if WITH_SLIP
+  log_message("SLIP Driver: ", stringize(STATIC_DRIVER));
+#else /* WITH_SLIP */
+  log_message("Eth. Driver: ", stringize(STATIC_DRIVER));
+#endif /* WITH_SLIP */
   #undef  _stringize
   #undef   stringize
-#endif /* !STATIC_DRIVER */
-  log_message("Driver Port: $", utoa(config.ethernetcfg.addr, uip_buf, 16));
+#else /* STATIC_DRIVER */
+  log_message("Eth. Driver: ", config.ethernet.name);
+#endif /* STATIC_DRIVER */
+#if !WITH_SLIP
+  log_message("Driver Port: $", utoa(config.ethernet.addr, uip_buf, 16));
+#endif /* !WITH_SLIP */
 
   uip_sethostaddr(&config.hostaddr);
   uip_setnetmask(&config.netmask);
@@ -107,7 +123,5 @@ config_read(char *filename)
 #if WITH_DNS
   uip_nameserver_update(&config.resolvaddr, UIP_NAMESERVER_INFINITE_LIFETIME);
 #endif /* WITH_DNS */
-
-  return &config.ethernetcfg;
 }
 /*-----------------------------------------------------------------------------------*/
diff --git a/cpu/6502/lib/config.h b/cpu/6502/lib/config.h
index 11bc03463..af660f128 100644
--- a/cpu/6502/lib/config.h
+++ b/cpu/6502/lib/config.h
@@ -35,6 +35,22 @@
 #ifndef CONFIG_H_
 #define CONFIG_H_
 
-struct ethernet_config * config_read(char *filename);
+extern struct {
+  uip_ipaddr_t hostaddr;
+  uip_ipaddr_t netmask;
+  uip_ipaddr_t draddr;
+  uip_ipaddr_t resolvaddr;
+  union {
+    struct {
+      uint16_t addr;
+#ifndef STATIC_DRIVER
+      char     name[12+1];
+#endif /* !STATIC_DRIVER */
+    }          ethernet;
+    uint8_t    slip[5];
+  };
+} config;
+
+void config_read(char *filename);
 
 #endif /* CONFIG_H_ */
diff --git a/cpu/6502/net/ethernet-drv.c b/cpu/6502/net/ethernet-drv.c
index d5348e644..6c38fbeb5 100644
--- a/cpu/6502/net/ethernet-drv.c
+++ b/cpu/6502/net/ethernet-drv.c
@@ -92,7 +92,7 @@ PROCESS_THREAD(ethernet_process, ev, data)
 
   PROCESS_BEGIN();
 
-  ethernet_init((struct ethernet_config *)data);
+  ethernet_init();
 
   tcpip_set_outputfunc(ethernet_output);
 
diff --git a/cpu/6502/net/ethernet-drv.h b/cpu/6502/net/ethernet-drv.h
index 4602e9fab..a6c8c3a89 100644
--- a/cpu/6502/net/ethernet-drv.h
+++ b/cpu/6502/net/ethernet-drv.h
@@ -35,11 +35,6 @@
 
 #include "contiki.h"
 
-struct ethernet_config {
-  uint16_t addr;
-  char  name[12+1];
-};
-
 PROCESS_NAME(ethernet_process);
 
 #if NETSTACK_CONF_WITH_IPV6
diff --git a/cpu/6502/net/ethernet.c b/cpu/6502/net/ethernet.c
index 54a7b4afd..3db36a500 100644
--- a/cpu/6502/net/ethernet.c
+++ b/cpu/6502/net/ethernet.c
@@ -38,7 +38,7 @@
 #include "cfs/cfs.h"
 #include "sys/log.h"
 #include "lib/error.h"
-#include "net/ethernet-drv.h"
+#include "lib/config.h"
 
 #include "net/ethernet.h"
 
@@ -59,25 +59,42 @@ struct {
 
 /*---------------------------------------------------------------------------*/
 void
-ethernet_init(struct ethernet_config *config)
+ethernet_init(void)
 {
   static const char signature[4] = {0x65, 0x74, 0x68, 0x01};
 
-#ifndef STATIC_DRIVER
+#ifdef STATIC_DRIVER
+
+  extern void STATIC_DRIVER;
+
+  module = &STATIC_DRIVER;
+
+  module->buffer = uip_buf;
+  module->buffer_size = UIP_BUFSIZE;
+  if(module->init(config.ethernet.addr)) {
+    #define _stringize(arg) #arg
+    #define  stringize(arg) _stringize(arg)
+    log_message(stringize(STATIC_DRIVER), ": No hardware");
+    #undef  _stringize
+    #undef   stringize
+    error_exit();
+  }
+
+#else /* STATIC_DRIVER */
 
   struct mod_ctrl module_control = {cfs_read};
   uint8_t byte;
 
-  module_control.callerdata = cfs_open(config->name, CFS_READ);
+  module_control.callerdata = cfs_open(config.ethernet.name, CFS_READ);
   if(module_control.callerdata < 0) {
-    log_message(config->name, ": File not found");
+    log_message(config.ethernet.name, ": File not found");
     error_exit();
   }
 
   byte = mod_load(&module_control);
   if(byte != MLOAD_OK) {
-    log_message(config->name, byte == MLOAD_ERR_MEM? ": Out of memory":
-                                                     ": No module");
+    log_message(config.ethernet.name, byte == MLOAD_ERR_MEM? ": Out of memory":
+                                                             ": No module");
     error_exit();
   }
 
@@ -86,26 +103,20 @@ ethernet_init(struct ethernet_config *config)
 
   for(byte = 0; byte < 4; ++byte) {
     if(module->signature[byte] != signature[byte]) {
-      log_message(config->name, ": No ETH driver");
+      log_message(config.ethernet.name, ": No ETH driver");
       error_exit();
     }
   }
 
-#else /* !STATIC_DRIVER */
-
-  extern void STATIC_DRIVER;
-
-  module = &STATIC_DRIVER;
-
-#endif /* !STATIC_DRIVER */
-
   module->buffer = uip_buf;
   module->buffer_size = UIP_BUFSIZE;
-  if(module->init(config->addr)) {
-    log_message(config->name, ": No hardware");
+  if(module->init(config.ethernet.addr)) {
+    log_message(config.ethernet.name, ": No hardware");
     error_exit();
   }
 
+#endif /* STATIC_DRIVER */
+
   uip_setethaddr(module->ethernet_address);
 }
 /*---------------------------------------------------------------------------*/
diff --git a/cpu/6502/net/ethernet.h b/cpu/6502/net/ethernet.h
index ce06f6e7a..b2b62029e 100644
--- a/cpu/6502/net/ethernet.h
+++ b/cpu/6502/net/ethernet.h
@@ -35,7 +35,7 @@
 #ifndef ETHERNET_H_
 #define ETHERNET_H_
 
-void ethernet_init(struct ethernet_config *config);
+void ethernet_init(void);
 uint16_t ethernet_poll(void);
 void ethernet_send(void);
 void ethernet_exit(void);
diff --git a/cpu/6502/net/slip_arch.c b/cpu/6502/net/slip_arch.c
new file mode 100644
index 000000000..8ca846800
--- /dev/null
+++ b/cpu/6502/net/slip_arch.c
@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2017, Swedish Institute of Computer Science
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * This file is part of the Contiki operating system.
+ *
+ * Author: Oliver Schmidt <ol.sc@web.de>
+ *
+ */
+
+#include <serial.h>
+#include <stdlib.h>
+
+#include "contiki-net.h"
+#include "sys/log.h"
+#include "lib/error.h"
+#include "lib/config.h"
+
+#include "dev/slip.h"
+
+#if WITH_SLIP
+/*---------------------------------------------------------------------------*/
+void
+slip_arch_init(unsigned long ubr)
+{
+  unsigned err;
+
+  err = ser_install(STATIC_DRIVER);
+  if(err == SER_ERR_OK) {
+    err = ser_open((struct ser_params *)config.slip);
+    if(err == SER_ERR_OK)
+      atexit((void (*)(void))ser_close);
+  }
+  if(err != SER_ERR_OK) {
+    err += '0';
+    /* High byte of err serves as string termination. */
+    log_message("Serial init error code: ", (char *)&err);
+    error_exit();
+  }
+
+  tcpip_set_outputfunc(slip_send);
+}
+/*---------------------------------------------------------------------------*/
+void
+slip_arch_writeb(unsigned char c)
+{
+  while(ser_put(c) == SER_ERR_OVERFLOW)
+    ;
+}
+/*---------------------------------------------------------------------------*/
+void
+slip_arch_poll(void)
+{
+  static unsigned char c;
+
+  while(ser_get(&c) != SER_ERR_NO_DATA)
+    slip_input_byte(c);
+}
+/*---------------------------------------------------------------------------*/
+#endif /* WITH_SLIP */
diff --git a/cpu/6502/serconfig/Makefile b/cpu/6502/serconfig/Makefile
new file mode 100644
index 000000000..00e1373d0
--- /dev/null
+++ b/cpu/6502/serconfig/Makefile
@@ -0,0 +1,6 @@
+CONTIKI_PROJECT = serconfig
+all: $(CONTIKI_PROJECT)
+
+CONTIKI = ../../..
+CONTIKI_WITH_IPV4 = 1
+include $(CONTIKI)/Makefile.include
diff --git a/cpu/6502/serconfig/Makefile.c128.defines b/cpu/6502/serconfig/Makefile.c128.defines
new file mode 100644
index 000000000..0b150a411
--- /dev/null
+++ b/cpu/6502/serconfig/Makefile.c128.defines
@@ -0,0 +1 @@
+DEFINES = WITH_PFS
diff --git a/cpu/6502/serconfig/Makefile.c64.defines b/cpu/6502/serconfig/Makefile.c64.defines
new file mode 100644
index 000000000..0b150a411
--- /dev/null
+++ b/cpu/6502/serconfig/Makefile.c64.defines
@@ -0,0 +1 @@
+DEFINES = WITH_PFS
diff --git a/cpu/6502/serconfig/serconfig.c b/cpu/6502/serconfig/serconfig.c
new file mode 100644
index 000000000..178400517
--- /dev/null
+++ b/cpu/6502/serconfig/serconfig.c
@@ -0,0 +1,105 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <serial.h>
+
+#include "cfs/cfs.h"
+
+static struct {
+  char    *screen;
+  uint8_t value;
+} baud[] = {
+  {"  300 baud", SER_BAUD_300},
+  {"  600 baud", SER_BAUD_600},
+  {" 1200 baud", SER_BAUD_1200},
+  {" 2400 baud", SER_BAUD_2400},
+  {" 4800 baud", SER_BAUD_4800},
+  {" 9600 baud", SER_BAUD_9600},
+  {"19200 baud", SER_BAUD_19200}
+};
+
+static struct {
+  char    *screen;
+  uint8_t value;
+} stop[] = {
+  {"1 stop bit",  SER_STOP_1},
+  {"2 stop bits", SER_STOP_2}
+};
+
+static struct {
+  char    *screen;
+  uint8_t value;
+} parity[] = {
+  {"  No parity", SER_PAR_NONE},
+  {" Odd parity", SER_PAR_ODD},
+  {"Even parity", SER_PAR_EVEN}
+};
+
+uint8_t           ipcfg[16];
+struct ser_params params;
+
+/*-----------------------------------------------------------------------------------*/
+uint8_t
+choose(uint8_t max)
+{
+  char val;
+
+  do {
+    printf("\n?");
+    val = getchar();
+  } while(val < '0' || val > max + '0');
+
+  putchar('\n');
+  if(val == '0') {
+    exit(0);
+  }
+
+  putchar('\n');
+  return val - '0';
+}
+/*-----------------------------------------------------------------------------------*/
+void
+main(void)
+{
+  int f;
+  uint8_t c;
+
+  f = cfs_open("contiki.cfg", CFS_READ);
+  if(f == -1) {
+    printf("Loading Config - Error\n");
+    return;
+  }
+  cfs_read(f, ipcfg, sizeof(ipcfg));
+  cfs_close(f);
+
+  for(c = 0; c < sizeof(baud) / sizeof(baud[0]); ++c) {
+    printf("%d: %s\n", c + 1, baud[c].screen);
+  }
+  params.baudrate = baud[choose(c) - 1].value;
+
+  params.databits = SER_BITS_8;
+
+  for(c = 0; c < sizeof(stop) / sizeof(stop[0]); ++c) {
+    printf("%d: %s\n", c + 1, stop[c].screen);
+  }
+  params.stopbits = stop[choose(c) - 1].value;
+
+  for(c = 0; c < sizeof(parity) / sizeof(parity[0]); ++c) {
+    printf("%d: %s\n", c + 1, parity[c].screen);
+  }
+  params.parity = parity[choose(c) - 1].value;
+
+  params.handshake = SER_HS_HW;
+
+  f = cfs_open("contiki.cfg", CFS_WRITE);
+  if(f == -1) {
+    printf("\nSaving Config - Error\n");
+    return;
+  }
+  cfs_write(f, ipcfg,   sizeof(ipcfg));
+  cfs_write(f, &params, sizeof(params));
+  cfs_close(f);
+
+  printf("Saving Config - Done\n");
+}
+/*-----------------------------------------------------------------------------------*/
diff --git a/platform/apple2enh/Makefile.apple2enh b/platform/apple2enh/Makefile.apple2enh
index 01734c6ea..65402bb24 100644
--- a/platform/apple2enh/Makefile.apple2enh
+++ b/platform/apple2enh/Makefile.apple2enh
@@ -31,6 +31,12 @@
 # Author: Oliver Schmidt <ol.sc@web.de>
 #
 
+DEFINES += STATIC_MOUSE=a2e_stdmou_mou
+
+ifdef SLIP
+  DEFINES += STATIC_DRIVER=a2e_ssc_ser
+endif
+
 CONTIKI_TARGET_SOURCEFILES += pfs.S
 
 CONTIKI_CPU = $(CONTIKI)/cpu/6502
@@ -57,12 +63,13 @@ disk: all
 	cp $(CONTIKI)/tools/$(TARGET)/prodos.dsk contiki.dsk
 	java -jar $(AC) -p    contiki.dsk contiki.system sys   < $(CC65_TARGET_DIR)/util/loader.system
 	java -jar $(AC) -cc65 contiki.dsk contiki        bin   < $(CONTIKI_PROJECT).$(TARGET)
+ifdef SLIP
+	java -jar $(AC) -p    contiki.dsk contiki.cfg    bin 0 < $(CONTIKI)/tools/6502/sample.cfg
+else
 	java -jar $(AC) -p    contiki.dsk contiki.cfg    bin 0 < $(CONTIKI)/tools/$(TARGET)/sample.cfg
 	java -jar $(AC) -p    contiki.dsk cs8900a.eth    rel 0 < cs8900a.eth
 	java -jar $(AC) -p    contiki.dsk lan91c96.eth   rel 0 < lan91c96.eth
 	java -jar $(AC) -p    contiki.dsk w5100.eth      rel 0 < w5100.eth
-ifeq ($(findstring WITH_MOUSE,$(DEFINES)),WITH_MOUSE)
-	java -jar $(AC) -p    contiki.dsk contiki.mou    rel 0 < $(CC65_TARGET_DIR)/drv/mou/a2e.stdmou.mou
 endif
 ifeq ($(HTTPD-CFS),1)
 	java -jar $(AC) -p    contiki.dsk index.htm      bin 0 < httpd-cfs/index.htm
diff --git a/platform/apple2enh/contiki-main.c b/platform/apple2enh/contiki-main.c
index f65a4fe94..35d84aabd 100644
--- a/platform/apple2enh/contiki-main.c
+++ b/platform/apple2enh/contiki-main.c
@@ -36,8 +36,19 @@
 #include "ctk/ctk.h"
 #include "sys/log.h"
 #include "lib/config.h"
+#include "dev/slip.h"
 #include "net/ethernet-drv.h"
 
+#if WITH_SLIP
+#define DRIVER_PROCESS &slip_process,
+#define SLIP_INIT() slip_arch_init(0)
+#define SLIP_POLL() slip_arch_poll()
+#else /* WITH_SLIP */
+#define DRIVER_PROCESS &ethernet_process,
+#define SLIP_INIT()
+#define SLIP_POLL()
+#endif /* WITH_SLIP */
+
 #if WITH_GUI
 #define CTK_PROCESS &ctk_process,
 #else /* WITH_GUI */
@@ -52,12 +63,12 @@
 
 PROCINIT(&etimer_process,
          CTK_PROCESS
+         DRIVER_PROCESS
          &tcpip_process
          RESOLV_PROCESS);
 
-static struct ethernet_config *ethernet_config;
-
 void clock_update(void);
+void slip_arch_poll(void);
 
 /*-----------------------------------------------------------------------------------*/
 #if WITH_ARGS
@@ -87,35 +98,12 @@ main(void)
   videomode(VIDEOMODE_80COL);
 #endif /* WITH_80COL */
 
+  config_read("contiki.cfg");
+
+  SLIP_INIT();
+
   process_init();
-
-#if 1
-  ethernet_config = config_read("contiki.cfg");
-#else
-  {
-    static struct ethernet_config config = {0xC0B0, "cs8900a.eth"};
-    uip_ipaddr_t addr;
-
-    uip_ipaddr(&addr, 192,168,0,128);
-    uip_sethostaddr(&addr);
-
-    uip_ipaddr(&addr, 255,255,255,0);
-    uip_setnetmask(&addr);
-
-    uip_ipaddr(&addr, 192,168,0,1);
-    uip_setdraddr(&addr);
-
-    uip_ipaddr(&addr, 192,168,0,1);
-    uip_nameserver_update(&addr, UIP_NAMESERVER_INFINITE_LIFETIME);
-
-    ethernet_config = &config;
-  }
-#endif
-
   procinit_init();
-
-  process_start((struct process *)&ethernet_process, (void *)ethernet_config);
-
   autostart_start(autostart_processes);
 
   log_message("Contiki up and running ...", "");
@@ -126,6 +114,8 @@ main(void)
 
     etimer_request_poll();
 
+    SLIP_POLL();
+
     clock_update();
   }
 }
diff --git a/platform/atarixl/Makefile.atarixl b/platform/atarixl/Makefile.atarixl
index 2bb1d1edf..c32a558ed 100644
--- a/platform/atarixl/Makefile.atarixl
+++ b/platform/atarixl/Makefile.atarixl
@@ -31,7 +31,11 @@
 # Author: Oliver Schmidt <ol.sc@web.de>
 #
 
-DEFINES += STATIC_DRIVER=cs8900a
+ifdef SLIP
+  DEFINES += STATIC_DRIVER=atrxrdev_ser
+else
+  DEFINES += STATIC_DRIVER=cs8900a
+endif
 
 CONTIKI_CPU = $(CONTIKI)/cpu/6502
 include $(CONTIKI_CPU)/Makefile.6502
@@ -54,7 +58,11 @@ disk: all
 	cp $(CONTIKI)/tools/$(TARGET)/dos25/dos.sys atr/dos.sys
 	cp $(CONTIKI)/tools/$(TARGET)/dos25/dup.sys atr/dup.sys
 	cp $(CONTIKI_PROJECT).$(TARGET)             atr/autorun.sys
+ifdef SLIP
+	cp $(CONTIKI)/tools/6502/sample.cfg         atr/contiki.cfg
+else
 	cp $(CONTIKI)/tools/$(TARGET)/sample.cfg    atr/contiki.cfg
+endif
 ifeq ($(findstring WITH_MOUSE,$(DEFINES)),WITH_MOUSE)
 	cp $(CC65_TARGET_DIR)/drv/mou/atrxst.mou    atr/contiki.mou
 endif
diff --git a/platform/atarixl/contiki-main.c b/platform/atarixl/contiki-main.c
index 91cb35367..9eadee59b 100644
--- a/platform/atarixl/contiki-main.c
+++ b/platform/atarixl/contiki-main.c
@@ -36,8 +36,19 @@
 #include "ctk/ctk.h"
 #include "sys/log.h"
 #include "lib/config.h"
+#include "dev/slip.h"
 #include "net/ethernet-drv.h"
 
+#if WITH_SLIP
+#define DRIVER_PROCESS &slip_process,
+#define SLIP_INIT() slip_arch_init(0)
+#define SLIP_POLL() slip_arch_poll()
+#else /* WITH_SLIP */
+#define DRIVER_PROCESS &ethernet_process,
+#define SLIP_INIT()
+#define SLIP_POLL()
+#endif /* WITH_SLIP */
+
 #if WITH_GUI
 #define CTK_PROCESS &ctk_process,
 #else /* WITH_GUI */
@@ -52,10 +63,11 @@
 
 PROCINIT(&etimer_process,
          CTK_PROCESS
+         DRIVER_PROCESS
          &tcpip_process
          RESOLV_PROCESS);
 
-static  struct ethernet_config *ethernet_config;
+void slip_arch_poll(void);
 
 /*-----------------------------------------------------------------------------------*/
 #if WITH_ARGS
@@ -81,35 +93,12 @@ main(void)
   bordercolor(BORDERCOLOR);
   bgcolor(SCREENCOLOR);
 
+  config_read("contiki.cfg");
+
+  SLIP_INIT();
+
   process_init();
-
-#if 1
-  ethernet_config = config_read("contiki.cfg");
-#else
-  {
-    static struct ethernet_config config = {0xD500, "cs8900a.eth"};
-    uip_ipaddr_t addr;
-
-    uip_ipaddr(&addr, 192,168,0,128);
-    uip_sethostaddr(&addr);
-
-    uip_ipaddr(&addr, 255,255,255,0);
-    uip_setnetmask(&addr);
-
-    uip_ipaddr(&addr, 192,168,0,1);
-    uip_setdraddr(&addr);
-
-    uip_ipaddr(&addr, 192,168,0,1);
-    uip_nameserver_update(&addr, UIP_NAMESERVER_INFINITE_LIFETIME);
-
-    ethernet_config = &config;
-  }
-#endif
-
   procinit_init();
-
-  process_start((struct process *)&ethernet_process, (void *)ethernet_config);
-
   autostart_start(autostart_processes);
 
   log_message("Contiki up and running ...", "");
@@ -119,6 +108,8 @@ main(void)
     process_run();
 
     etimer_request_poll();
+
+    SLIP_POLL();
   }
 }
 /*-----------------------------------------------------------------------------------*/
diff --git a/platform/c128/Makefile.c128 b/platform/c128/Makefile.c128
index c1adbaf08..bd1122c33 100644
--- a/platform/c128/Makefile.c128
+++ b/platform/c128/Makefile.c128
@@ -31,6 +31,10 @@
 # Author: Oliver Schmidt <ol.sc@web.de>
 #
 
+ifdef SLIP
+  DEFINES += STATIC_DRIVER=c128_swlink_ser
+endif
+
 CONTIKI_TARGET_SOURCEFILES += exec.c logscr.S lseek.c \
                               pfs.S pfs-dir.c pfs-dir-asm.S pfs_remove.S pfs_seek.S pfs_write.S
 
@@ -48,9 +52,13 @@ endif
 disk: all
 	$(C1541) -format contiki,00 d71 contiki.d71
 	$(C1541) -attach contiki.d71 -write $(CONTIKI_PROJECT).$(TARGET)             contiki,p
+ifdef SLIP
+	$(C1541) -attach contiki.d71 -write $(CONTIKI)/tools/6502/sample.cfg         contiki.cfg,s
+else
 	$(C1541) -attach contiki.d71 -write $(CONTIKI)/tools/$(TARGET)/sample.cfg    contiki.cfg,s
 	$(C1541) -attach contiki.d71 -write cs8900a.eth                              cs8900a.eth,s
 	$(C1541) -attach contiki.d71 -write lan91c96.eth                             lan91c96.eth,s
+endif
 ifeq ($(findstring WITH_MOUSE,$(DEFINES)),WITH_MOUSE)
 	$(C1541) -attach contiki.d71 -write $(CC65_TARGET_DIR)/drv/mou/c128-1351.mou contiki.mou,s
 endif
diff --git a/platform/c128/contiki-main.c b/platform/c128/contiki-main.c
index a1856d405..940601e9b 100644
--- a/platform/c128/contiki-main.c
+++ b/platform/c128/contiki-main.c
@@ -36,8 +36,19 @@
 #include "ctk/ctk.h"
 #include "sys/log.h"
 #include "lib/config.h"
+#include "dev/slip.h"
 #include "net/ethernet-drv.h"
 
+#if WITH_SLIP
+#define DRIVER_PROCESS &slip_process,
+#define SLIP_INIT() slip_arch_init(0)
+#define SLIP_POLL() slip_arch_poll()
+#else /* WITH_SLIP */
+#define DRIVER_PROCESS &ethernet_process,
+#define SLIP_INIT()
+#define SLIP_POLL()
+#endif /* WITH_SLIP */
+
 #if WITH_GUI
 #define CTK_PROCESS &ctk_process,
 #else /* WITH_GUI */
@@ -52,10 +63,11 @@
 
 PROCINIT(&etimer_process,
          CTK_PROCESS
+         DRIVER_PROCESS
          &tcpip_process
          RESOLV_PROCESS);
 
-static struct ethernet_config *ethernet_config;
+void slip_arch_poll(void);
 
 /*-----------------------------------------------------------------------------------*/
 #if WITH_ARGS
@@ -81,35 +93,12 @@ main(void)
   videomode(VIDEOMODE_80COL);
 #endif /* WITH_80COL */
 
+  config_read("contiki.cfg");
+
+  SLIP_INIT();
+
   process_init();
-
-#if 1
-  ethernet_config = config_read("contiki.cfg");
-#else
-  {
-    static struct ethernet_config config = {0xDE08, "cs8900a.eth"};
-    uip_ipaddr_t addr;
-
-    uip_ipaddr(&addr, 192,168,0,128);
-    uip_sethostaddr(&addr);
-
-    uip_ipaddr(&addr, 255,255,255,0);
-    uip_setnetmask(&addr);
-
-    uip_ipaddr(&addr, 192,168,0,1);
-    uip_setdraddr(&addr);
-
-    uip_ipaddr(&addr, 192,168,0,1);
-    uip_nameserver_update(&addr, UIP_NAMESERVER_INFINITE_LIFETIME);
-
-    ethernet_config = &config;
-  }
-#endif
-
   procinit_init();
-
-  process_start((struct process *)&ethernet_process, (void *)ethernet_config);
-
   autostart_start(autostart_processes);
 
   log_message("Contiki up and running ...", "");
@@ -119,6 +108,8 @@ main(void)
     process_run();
 
     etimer_request_poll();
+
+    SLIP_POLL();
   }
 }
 /*-----------------------------------------------------------------------------------*/
diff --git a/platform/c64/Makefile.c64 b/platform/c64/Makefile.c64
index 7fcb4d19f..f1b8b09b8 100644
--- a/platform/c64/Makefile.c64
+++ b/platform/c64/Makefile.c64
@@ -31,6 +31,10 @@
 # Author: Oliver Schmidt <ol.sc@web.de>
 #
 
+ifdef SLIP
+  DEFINES += STATIC_DRIVER=c64_swlink_ser
+endif
+
 CONTIKI_TARGET_SOURCEFILES += exec.c logscr.S lseek.c \
                               pfs.S pfs-dir.c pfs-dir-asm.S pfs_remove.S pfs_seek.S pfs_write.S
 
@@ -52,9 +56,13 @@ endif
 disk: all
 	$(C1541) -format contiki,00 d64 contiki.d64
 	$(C1541) -attach contiki.d64 -write $(CONTIKI_PROJECT).$(TARGET)            contiki,p
+ifdef SLIP
+	$(C1541) -attach contiki.d64 -write $(CONTIKI)/tools/6502/sample.cfg        contiki.cfg,s
+else
 	$(C1541) -attach contiki.d64 -write $(CONTIKI)/tools/$(TARGET)/sample.cfg   contiki.cfg,s
 	$(C1541) -attach contiki.d64 -write cs8900a.eth                             cs8900a.eth,s
 	$(C1541) -attach contiki.d64 -write lan91c96.eth                            lan91c96.eth,s
+endif
 ifeq ($(findstring WITH_MOUSE,$(DEFINES)),WITH_MOUSE)
 	$(C1541) -attach contiki.d64 -write $(CC65_TARGET_DIR)/drv/mou/c64-1351.mou contiki.mou,s
 endif
diff --git a/platform/c64/contiki-main.c b/platform/c64/contiki-main.c
index f2b4aae18..91bf73804 100644
--- a/platform/c64/contiki-main.c
+++ b/platform/c64/contiki-main.c
@@ -38,8 +38,19 @@
 #include "ctk/ctk.h"
 #include "sys/log.h"
 #include "lib/config.h"
+#include "dev/slip.h"
 #include "net/ethernet-drv.h"
 
+#if WITH_SLIP
+#define DRIVER_PROCESS &slip_process,
+#define SLIP_INIT() slip_arch_init(0)
+#define SLIP_POLL() slip_arch_poll()
+#else /* WITH_SLIP */
+#define DRIVER_PROCESS &ethernet_process,
+#define SLIP_INIT()
+#define SLIP_POLL()
+#endif /* WITH_SLIP */
+
 #if WITH_GUI
 #define CTK_PROCESS &ctk_process,
 #else /* WITH_GUI */
@@ -54,10 +65,11 @@
 
 PROCINIT(&etimer_process,
          CTK_PROCESS
+         DRIVER_PROCESS
          &tcpip_process
          RESOLV_PROCESS);
 
-static struct ethernet_config *ethernet_config;
+void slip_arch_poll(void);
 
 /*-----------------------------------------------------------------------------------*/
 #if WITH_ARGS
@@ -83,35 +95,12 @@ main(void)
   _heapadd((void *)0x0400, 0x0400);
 #endif /* WITH_80COL */
 
+  config_read("contiki.cfg");
+
+  SLIP_INIT();
+
   process_init();
-
-#if 1
-  ethernet_config = config_read("contiki.cfg");
-#else
-  {
-    static struct ethernet_config config = {0xDE08, "cs8900a.eth"};
-    uip_ipaddr_t addr;
-
-    uip_ipaddr(&addr, 192,168,0,128);
-    uip_sethostaddr(&addr);
-
-    uip_ipaddr(&addr, 255,255,255,0);
-    uip_setnetmask(&addr);
-
-    uip_ipaddr(&addr, 192,168,0,1);
-    uip_setdraddr(&addr);
-
-    uip_ipaddr(&addr, 192,168,0,1);
-    uip_nameserver_update(&addr, UIP_NAMESERVER_INFINITE_LIFETIME);
-
-    ethernet_config = &config;
-  }
-#endif
-
   procinit_init();
-
-  process_start((struct process *)&ethernet_process, (void *)ethernet_config);
-
   autostart_start(autostart_processes);
 
   log_message("Contiki up and running ...", "");
@@ -121,6 +110,8 @@ main(void)
     process_run();
 
     etimer_request_poll();
+
+    SLIP_POLL();
   }
 }
 /*-----------------------------------------------------------------------------------*/
diff --git a/tools/6502/Makefile b/tools/6502/Makefile
index fef30e632..8f845bf12 100644
--- a/tools/6502/Makefile
+++ b/tools/6502/Makefile
@@ -61,10 +61,16 @@ endif
 
 CC65 := $(shell cl65 --print-target-path)
 
+ifdef SLIP
+DEV = ser
+else
+DEV = eth
+endif
+
 define makes
 .PHONY: $1-$2makes
 $1-$2makes:
-	$(MAKE) -C ../../cpu/6502/ethconfig        TARGET=$1             $2
+	$(MAKE) -C ../../cpu/6502/$(DEV)config     TARGET=$1             $2
 	$(MAKE) -C ../../cpu/6502/ipconfig         TARGET=$1             $2
 	$(MAKE) -C ../../examples/webbrowser       TARGET=$1             $2
 	$(MAKE) -C ../../examples/webbrowser-80col TARGET=$1             $2
@@ -93,83 +99,96 @@ contiki-apple2.zip: contiki-apple2-1.dsk contiki-apple2-2.dsk contiki-apple2-3.d
 
 contiki-apple2-1.dsk: apple2enh-makes
 	cp ../apple2enh/prodos.dsk $@
-	java -jar $(AC) -p    $@ menu.system     sys   < ../apple2enh/menu.system
-	java -jar $(AC) -p    $@ ethconfi.system sys   < $(CC65)/apple2enh/util/loader.system
-	java -jar $(AC) -cc65 $@ ethconfi        bin   < ../../cpu/6502/ethconfig/ethconfig.apple2enh
-	java -jar $(AC) -p    $@ ipconfig.system sys   < $(CC65)/apple2enh/util/loader.system
-	java -jar $(AC) -cc65 $@ ipconfig        bin   < ../../cpu/6502/ipconfig/ipconfig.apple2enh
-	java -jar $(AC) -p    $@ webbrows.system sys   < $(CC65)/apple2enh/util/loader.system
-	java -jar $(AC) -cc65 $@ webbrows        bin   < ../../examples/webbrowser-80col/webbrowser.apple2enh
-	java -jar $(AC) -p    $@ wget.system     sys   < $(CC65)/apple2enh/util/loader.system
-	java -jar $(AC) -cc65 $@ wget            bin   < ../../examples/wget/wget.apple2enh
-	java -jar $(AC) -p    $@ contiki.cfg     bin 0 < ../apple2enh/default.cfg
-	java -jar $(AC) -p    $@ cs8900a.eth     rel 0 < ../../cpu/6502/ethconfig/cs8900a.eth
-	java -jar $(AC) -p    $@ lan91c96.eth    rel 0 < ../../cpu/6502/ethconfig/lan91c96.eth
-	java -jar $(AC) -p    $@ w5100.eth       rel 0 < ../../cpu/6502/ethconfig/w5100.eth
-	java -jar $(AC) -p    $@ contiki.mou     rel 0 < $(CC65)/apple2enh/drv/mou/a2e.stdmou.mou
+	java -jar $(AC) -p    $@ menu.system        sys   < ../apple2enh/menu.system
+	java -jar $(AC) -p    $@ $(DEV)confi.system sys   < $(CC65)/apple2enh/util/loader.system
+	java -jar $(AC) -cc65 $@ $(DEV)confi        bin   < ../../cpu/6502/$(DEV)config/$(DEV)config.apple2enh
+	java -jar $(AC) -p    $@ ipconfig.system    sys   < $(CC65)/apple2enh/util/loader.system
+	java -jar $(AC) -cc65 $@ ipconfig           bin   < ../../cpu/6502/ipconfig/ipconfig.apple2enh
+	java -jar $(AC) -p    $@ webbrows.system    sys   < $(CC65)/apple2enh/util/loader.system
+	java -jar $(AC) -cc65 $@ webbrows           bin   < ../../examples/webbrowser-80col/webbrowser.apple2enh
+	java -jar $(AC) -p    $@ wget.system        sys   < $(CC65)/apple2enh/util/loader.system
+	java -jar $(AC) -cc65 $@ wget               bin   < ../../examples/wget/wget.apple2enh
+ifdef SLIP
+	java -jar $(AC) -p    $@ contiki.cfg        bin 0 < default.cfg
+else
+	java -jar $(AC) -p    $@ contiki.cfg        bin 0 < ../apple2enh/default.cfg
+	java -jar $(AC) -p    $@ cs8900a.eth        rel 0 < ../../cpu/6502/ethconfig/cs8900a.eth
+	java -jar $(AC) -p    $@ lan91c96.eth       rel 0 < ../../cpu/6502/ethconfig/lan91c96.eth
+	java -jar $(AC) -p    $@ w5100.eth          rel 0 < ../../cpu/6502/ethconfig/w5100.eth
+endif
 
 contiki-apple2-2.dsk: apple2enh-makes
 	cp ../apple2enh/prodos.dsk $@
-	java -jar $(AC) -p    $@ menu.system     sys   < ../apple2enh/menu.system
-	java -jar $(AC) -p    $@ ethconfi.system sys   < $(CC65)/apple2enh/util/loader.system
-	java -jar $(AC) -cc65 $@ ethconfi        bin   < ../../cpu/6502/ethconfig/ethconfig.apple2enh
-	java -jar $(AC) -p    $@ ipconfig.system sys   < $(CC65)/apple2enh/util/loader.system
-	java -jar $(AC) -cc65 $@ ipconfig        bin   < ../../cpu/6502/ipconfig/ipconfig.apple2enh
-	java -jar $(AC) -p    $@ irc.system      sys   < $(CC65)/apple2enh/util/loader.system
-	java -jar $(AC) -cc65 $@ irc             bin   < ../../examples/irc-80col/irc-client.apple2enh
-	java -jar $(AC) -p    $@ contiki.cfg     bin 0 < ../apple2enh/default.cfg
-	java -jar $(AC) -p    $@ cs8900a.eth     rel 0 < ../../cpu/6502/ethconfig/cs8900a.eth
-	java -jar $(AC) -p    $@ lan91c96.eth    rel 0 < ../../cpu/6502/ethconfig/lan91c96.eth
-	java -jar $(AC) -p    $@ w5100.eth       rel 0 < ../../cpu/6502/ethconfig/w5100.eth
-	java -jar $(AC) -p    $@ contiki.mou     rel 0 < $(CC65)/apple2enh/drv/mou/a2e.stdmou.mou
+	java -jar $(AC) -p    $@ menu.system        sys   < ../apple2enh/menu.system
+	java -jar $(AC) -p    $@ $(DEV)confi.system sys   < $(CC65)/apple2enh/util/loader.system
+	java -jar $(AC) -cc65 $@ $(DEV)confi        bin   < ../../cpu/6502/$(DEV)config/$(DEV)config.apple2enh
+	java -jar $(AC) -p    $@ ipconfig.system    sys   < $(CC65)/apple2enh/util/loader.system
+	java -jar $(AC) -cc65 $@ ipconfig           bin   < ../../cpu/6502/ipconfig/ipconfig.apple2enh
+	java -jar $(AC) -p    $@ irc.system         sys   < $(CC65)/apple2enh/util/loader.system
+	java -jar $(AC) -cc65 $@ irc                bin   < ../../examples/irc-80col/irc-client.apple2enh
+ifdef SLIP
+	java -jar $(AC) -p    $@ contiki.cfg        bin 0 < default.cfg
+else
+	java -jar $(AC) -p    $@ contiki.cfg        bin 0 < ../apple2enh/default.cfg
+	java -jar $(AC) -p    $@ cs8900a.eth        rel 0 < ../../cpu/6502/ethconfig/cs8900a.eth
+	java -jar $(AC) -p    $@ lan91c96.eth       rel 0 < ../../cpu/6502/ethconfig/lan91c96.eth
+	java -jar $(AC) -p    $@ w5100.eth          rel 0 < ../../cpu/6502/ethconfig/w5100.eth
+endif
 
 contiki-apple2-3.dsk: apple2enh-makes
 	cp ../apple2enh/prodos.dsk $@
-	java -jar $(AC) -p    $@ menu.system     sys   < ../apple2enh/menu.system
-	java -jar $(AC) -p    $@ ethconfi.system sys   < $(CC65)/apple2enh/util/loader.system
-	java -jar $(AC) -cc65 $@ ethconfi        bin   < ../../cpu/6502/ethconfig/ethconfig.apple2enh
-	java -jar $(AC) -p    $@ ipconfig.system sys   < $(CC65)/apple2enh/util/loader.system
-	java -jar $(AC) -cc65 $@ ipconfig        bin   < ../../cpu/6502/ipconfig/ipconfig.apple2enh
-	java -jar $(AC) -p    $@ webserv.system  sys   < $(CC65)/apple2enh/util/loader.system
-	java -jar $(AC) -cc65 $@ webserv         bin   < ../../examples/webserver/webserver-example.apple2enh
-	java -jar $(AC) -p    $@ telnetd.system  sys   < $(CC65)/apple2enh/util/loader.system
-	java -jar $(AC) -cc65 $@ telnetd         bin   < ../../examples/telnet-server/telnet-server.apple2enh
-	java -jar $(AC) -p    $@ contiki.cfg     bin 0 < ../apple2enh/default.cfg
-	java -jar $(AC) -p    $@ cs8900a.eth     rel 0 < ../../cpu/6502/ethconfig/cs8900a.eth
-	java -jar $(AC) -p    $@ lan91c96.eth    rel 0 < ../../cpu/6502/ethconfig/lan91c96.eth
-	java -jar $(AC) -p    $@ w5100.eth       rel 0 < ../../cpu/6502/ethconfig/w5100.eth
-	java -jar $(AC) -p    $@ contiki.mou     rel 0 < $(CC65)/apple2enh/drv/mou/a2e.stdmou.mou
-	java -jar $(AC) -p    $@ index.htm       bin 0 < ../../examples/webserver/httpd-cfs/index.htm
-	java -jar $(AC) -p    $@ backgrnd.gif    bin 0 < ../../examples/webserver/httpd-cfs/backgrnd.gif
-	java -jar $(AC) -p    $@ contiki.gif     bin 0 < ../../examples/webserver/httpd-cfs/contiki.gif
-	java -jar $(AC) -p    $@ notfound.htm    bin 0 < ../../examples/webserver/httpd-cfs/notfound.htm
+	java -jar $(AC) -p    $@ menu.system        sys   < ../apple2enh/menu.system
+	java -jar $(AC) -p    $@ $(DEV)confi.system sys   < $(CC65)/apple2enh/util/loader.system
+	java -jar $(AC) -cc65 $@ $(DEV)confi        bin   < ../../cpu/6502/$(DEV)config/$(DEV)config.apple2enh
+	java -jar $(AC) -p    $@ ipconfig.system    sys   < $(CC65)/apple2enh/util/loader.system
+	java -jar $(AC) -cc65 $@ ipconfig           bin   < ../../cpu/6502/ipconfig/ipconfig.apple2enh
+	java -jar $(AC) -p    $@ webserv.system     sys   < $(CC65)/apple2enh/util/loader.system
+	java -jar $(AC) -cc65 $@ webserv            bin   < ../../examples/webserver/webserver-example.apple2enh
+	java -jar $(AC) -p    $@ telnetd.system     sys   < $(CC65)/apple2enh/util/loader.system
+	java -jar $(AC) -cc65 $@ telnetd            bin   < ../../examples/telnet-server/telnet-server.apple2enh
+ifdef SLIP
+	java -jar $(AC) -p    $@ contiki.cfg        bin 0 < default.cfg
+else
+	java -jar $(AC) -p    $@ contiki.cfg        bin 0 < ../apple2enh/default.cfg
+	java -jar $(AC) -p    $@ cs8900a.eth        rel 0 < ../../cpu/6502/ethconfig/cs8900a.eth
+	java -jar $(AC) -p    $@ lan91c96.eth       rel 0 < ../../cpu/6502/ethconfig/lan91c96.eth
+	java -jar $(AC) -p    $@ w5100.eth          rel 0 < ../../cpu/6502/ethconfig/w5100.eth
+endif
+	java -jar $(AC) -p    $@ index.htm          bin 0 < ../../examples/webserver/httpd-cfs/index.htm
+	java -jar $(AC) -p    $@ backgrnd.gif       bin 0 < ../../examples/webserver/httpd-cfs/backgrnd.gif
+	java -jar $(AC) -p    $@ contiki.gif        bin 0 < ../../examples/webserver/httpd-cfs/contiki.gif
+	java -jar $(AC) -p    $@ notfound.htm       bin 0 < ../../examples/webserver/httpd-cfs/notfound.htm
 
 contiki-apple2.po: apple2enh-makes
 	cp ../apple2enh/prodos.po $@
-	java -jar $(AC) -p    $@ menu.system     sys   < ../apple2enh/menu.system
-	java -jar $(AC) -p    $@ ethconfi.system sys   < $(CC65)/apple2enh/util/loader.system
-	java -jar $(AC) -cc65 $@ ethconfi        bin   < ../../cpu/6502/ethconfig/ethconfig.apple2enh
-	java -jar $(AC) -p    $@ ipconfig.system sys   < $(CC65)/apple2enh/util/loader.system
-	java -jar $(AC) -cc65 $@ ipconfig        bin   < ../../cpu/6502/ipconfig/ipconfig.apple2enh
-	java -jar $(AC) -p    $@ webbrows.system sys   < $(CC65)/apple2enh/util/loader.system
-	java -jar $(AC) -cc65 $@ webbrows        bin   < ../../examples/webbrowser-80col/webbrowser.apple2enh
-	java -jar $(AC) -p    $@ wget.system     sys   < $(CC65)/apple2enh/util/loader.system
-	java -jar $(AC) -cc65 $@ wget            bin   < ../../examples/wget/wget.apple2enh
-	java -jar $(AC) -p    $@ irc.system      sys   < $(CC65)/apple2enh/util/loader.system
-	java -jar $(AC) -cc65 $@ irc             bin   < ../../examples/irc-80col/irc-client.apple2enh
-	java -jar $(AC) -p    $@ webserv.system  sys   < $(CC65)/apple2enh/util/loader.system
-	java -jar $(AC) -cc65 $@ webserv         bin   < ../../examples/webserver/webserver-example.apple2enh
-	java -jar $(AC) -p    $@ telnetd.system  sys   < $(CC65)/apple2enh/util/loader.system
-	java -jar $(AC) -cc65 $@ telnetd         bin   < ../../examples/telnet-server/telnet-server.apple2enh
-	java -jar $(AC) -p    $@ contiki.cfg     bin 0 < ../apple2enh/default.cfg
-	java -jar $(AC) -p    $@ cs8900a.eth     rel 0 < ../../cpu/6502/ethconfig/cs8900a.eth
-	java -jar $(AC) -p    $@ lan91c96.eth    rel 0 < ../../cpu/6502/ethconfig/lan91c96.eth
-	java -jar $(AC) -p    $@ w5100.eth       rel 0 < ../../cpu/6502/ethconfig/w5100.eth
-	java -jar $(AC) -p    $@ contiki.mou     rel 0 < $(CC65)/apple2enh/drv/mou/a2e.stdmou.mou
-	java -jar $(AC) -p    $@ index.htm       bin 0 < ../../examples/webserver/httpd-cfs/index.htm
-	java -jar $(AC) -p    $@ backgrnd.gif    bin 0 < ../../examples/webserver/httpd-cfs/backgrnd.gif
-	java -jar $(AC) -p    $@ contiki.gif     bin 0 < ../../examples/webserver/httpd-cfs/contiki.gif
-	java -jar $(AC) -p    $@ notfound.htm    bin 0 < ../../examples/webserver/httpd-cfs/notfound.htm
+	java -jar $(AC) -p    $@ menu.system        sys   < ../apple2enh/menu.system
+	java -jar $(AC) -p    $@ $(DEV)confi.system sys   < $(CC65)/apple2enh/util/loader.system
+	java -jar $(AC) -cc65 $@ $(DEV)confi        bin   < ../../cpu/6502/$(DEV)config/$(DEV)config.apple2enh
+	java -jar $(AC) -p    $@ ipconfig.system    sys   < $(CC65)/apple2enh/util/loader.system
+	java -jar $(AC) -cc65 $@ ipconfig           bin   < ../../cpu/6502/ipconfig/ipconfig.apple2enh
+	java -jar $(AC) -p    $@ webbrows.system    sys   < $(CC65)/apple2enh/util/loader.system
+	java -jar $(AC) -cc65 $@ webbrows           bin   < ../../examples/webbrowser-80col/webbrowser.apple2enh
+	java -jar $(AC) -p    $@ wget.system        sys   < $(CC65)/apple2enh/util/loader.system
+	java -jar $(AC) -cc65 $@ wget               bin   < ../../examples/wget/wget.apple2enh
+	java -jar $(AC) -p    $@ irc.system         sys   < $(CC65)/apple2enh/util/loader.system
+	java -jar $(AC) -cc65 $@ irc                bin   < ../../examples/irc-80col/irc-client.apple2enh
+	java -jar $(AC) -p    $@ webserv.system     sys   < $(CC65)/apple2enh/util/loader.system
+	java -jar $(AC) -cc65 $@ webserv            bin   < ../../examples/webserver/webserver-example.apple2enh
+	java -jar $(AC) -p    $@ telnetd.system     sys   < $(CC65)/apple2enh/util/loader.system
+	java -jar $(AC) -cc65 $@ telnetd            bin   < ../../examples/telnet-server/telnet-server.apple2enh
+ifdef SLIP
+	java -jar $(AC) -p    $@ contiki.cfg        bin 0 < default.cfg
+else
+	java -jar $(AC) -p    $@ contiki.cfg        bin 0 < ../apple2enh/default.cfg
+	java -jar $(AC) -p    $@ cs8900a.eth        rel 0 < ../../cpu/6502/ethconfig/cs8900a.eth
+	java -jar $(AC) -p    $@ lan91c96.eth       rel 0 < ../../cpu/6502/ethconfig/lan91c96.eth
+	java -jar $(AC) -p    $@ w5100.eth          rel 0 < ../../cpu/6502/ethconfig/w5100.eth
+endif
+	java -jar $(AC) -p    $@ contiki.mou        rel 0 < $(CC65)/apple2enh/drv/mou/a2e.stdmou.mou
+	java -jar $(AC) -p    $@ index.htm          bin 0 < ../../examples/webserver/httpd-cfs/index.htm
+	java -jar $(AC) -p    $@ backgrnd.gif       bin 0 < ../../examples/webserver/httpd-cfs/backgrnd.gif
+	java -jar $(AC) -p    $@ contiki.gif        bin 0 < ../../examples/webserver/httpd-cfs/contiki.gif
+	java -jar $(AC) -p    $@ notfound.htm       bin 0 < ../../examples/webserver/httpd-cfs/notfound.htm
 
 $(eval $(call makes,atarixl))
 $(eval $(call makes,atarixl,clean))
@@ -185,10 +204,17 @@ contiki-atari-1.atr: atarixl-makes
 	mkdir atr
 	cp ../atarixl/dos25/dos.sys                     atr/dos.sys
 	cp ../atarixl/dos25/dup.sys                     atr/dup.sys
+ifdef SLIP
+	cp ../../cpu/6502/serconfig/serconfig.atarixl   atr/serconfi.com
+endif
 	cp ../../cpu/6502/ipconfig/ipconfig.atarixl     atr/ipconfig.com
 	cp ../../examples/webbrowser/webbrowser.atarixl atr/webbrows.com
 	cp ../../examples/wget/wget.atarixl             atr/wget.com
+ifdef SLIP
+	cp default.cfg                                  atr/contiki.cfg
+else
 	cp ../atarixl/default.cfg                       atr/contiki.cfg
+endif
 	cp $(CC65)/atarixl/drv/mou/atrxst.mou           atr/contiki.mou
 	cp $(CC65)/atarixl/drv/mou/atrxami.mou          atr/ami.mou
 	cp $(CC65)/atarixl/drv/mou/atrxjoy.mou          atr/joy.mou
@@ -199,16 +225,23 @@ contiki-atari-1.atr: atarixl-makes
 
 contiki-atari-2.atr: atarixl-makes
 	mkdir atr
-	cp ../atarixl/dos25/dos.sys                 atr/dos.sys
-	cp ../atarixl/dos25/dup.sys                 atr/dup.sys
-	cp ../../cpu/6502/ipconfig/ipconfig.atarixl atr/ipconfig.com
-	cp ../../examples/irc/irc-client.atarixl    atr/irc.com
-	cp ../atarixl/default.cfg                   atr/contiki.cfg
-	cp $(CC65)/atarixl/drv/mou/atrxst.mou       atr/contiki.mou
-	cp $(CC65)/atarixl/drv/mou/atrxami.mou      atr/ami.mou
-	cp $(CC65)/atarixl/drv/mou/atrxjoy.mou      atr/joy.mou
-	cp $(CC65)/atarixl/drv/mou/atrxtrk.mou      atr/trk.mou
-	cp $(CC65)/atarixl/drv/mou/atrxtt.mou       atr/tt.mou
+	cp ../atarixl/dos25/dos.sys                   atr/dos.sys
+	cp ../atarixl/dos25/dup.sys                   atr/dup.sys
+ifdef SLIP
+	cp ../../cpu/6502/serconfig/serconfig.atarixl atr/serconfi.com
+endif
+	cp ../../cpu/6502/ipconfig/ipconfig.atarixl   atr/ipconfig.com
+	cp ../../examples/irc/irc-client.atarixl      atr/irc.com
+ifdef SLIP
+	cp default.cfg                                atr/contiki.cfg
+else
+	cp ../atarixl/default.cfg                     atr/contiki.cfg
+endif
+	cp $(CC65)/atarixl/drv/mou/atrxst.mou         atr/contiki.mou
+	cp $(CC65)/atarixl/drv/mou/atrxami.mou        atr/ami.mou
+	cp $(CC65)/atarixl/drv/mou/atrxjoy.mou        atr/joy.mou
+	cp $(CC65)/atarixl/drv/mou/atrxtrk.mou        atr/trk.mou
+	cp $(CC65)/atarixl/drv/mou/atrxtt.mou         atr/tt.mou
 	$(DIR2ATR) -b Dos25 1040 $@ atr
 	rm -r atr
 
@@ -216,10 +249,17 @@ contiki-atari-3.atr: atarixl-makes
 	mkdir atr
 	cp ../atarixl/dos25/dos.sys                           atr/dos.sys
 	cp ../atarixl/dos25/dup.sys                           atr/dup.sys
+ifdef SLIP
+	cp ../../cpu/6502/serconfig/serconfig.atarixl         atr/serconfi.com
+endif
 	cp ../../cpu/6502/ipconfig/ipconfig.atarixl           atr/ipconfig.com
 	cp ../../examples/webserver/webserver-example.atarixl atr/webserv.com
 	cp ../../examples/telnet-server/telnet-server.atarixl atr/telnetd.com
+ifdef SLIP
+	cp default.cfg                                        atr/contiki.cfg
+else
 	cp ../atarixl/default.cfg                             atr/contiki.cfg
+endif
 	cp $(CC65)/atarixl/drv/mou/atrxst.mou                 atr/contiki.mou
 	cp $(CC65)/atarixl/drv/mou/atrxami.mou                atr/ami.mou
 	cp $(CC65)/atarixl/drv/mou/atrxjoy.mou                atr/joy.mou
@@ -236,13 +276,20 @@ contiki-atari.atr: atarixl-makes
 	mkdir atr
 	cp ../atarixl/mydos4534/dos.sys                       atr/dos.sys
 	cp ../atarixl/mydos4534/dup.sys                       atr/dup.sys
+ifdef SLIP
+	cp ../../cpu/6502/serconfig/serconfig.atarixl         atr/serconfi.com
+endif
 	cp ../../cpu/6502/ipconfig/ipconfig.atarixl           atr/ipconfig.com
 	cp ../../examples/webbrowser/webbrowser.atarixl       atr/webbrows.com
 	cp ../../examples/wget/wget.atarixl                   atr/wget.com
 	cp ../../examples/irc/irc-client.atarixl              atr/irc.com
 	cp ../../examples/webserver/webserver-example.atarixl atr/webserv.com
 	cp ../../examples/telnet-server/telnet-server.atarixl atr/telnetd.com
+ifdef SLIP
+	cp default.cfg                                        atr/contiki.cfg
+else
 	cp ../atarixl/default.cfg                             atr/contiki.cfg
+endif
 	cp $(CC65)/atarixl/drv/mou/atrxst.mou                 atr/contiki.mou
 	cp $(CC65)/atarixl/drv/mou/atrxami.mou                atr/ami.mou
 	cp $(CC65)/atarixl/drv/mou/atrxjoy.mou                atr/joy.mou
@@ -267,14 +314,18 @@ contiki-c64.zip: contiki-c64-1.d64 contiki-c64-2.d64 contiki-c64-3.d64 contiki-c
 
 contiki-c64-1.d64: c64-makes
 	$(C1541) -format contiki-1,00 d64 $@
-	$(C1541) -attach $@ -write ../../cpu/6502/ethconfig/ethconfig.c64         ethconfig,p    >$(NULLDEV)
+	$(C1541) -attach $@ -write ../../cpu/6502/$(DEV)config/$(DEV)config.c64   $(DEV)config,p >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../cpu/6502/ipconfig/ipconfig.c64           ipconfig,p     >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../examples/webbrowser/webbrowser.c64       webbrowser,p   >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../examples/webbrowser-80col/webbrowser.c64 webbrowser80,p >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../examples/wget/wget.c64                   wget,p         >$(NULLDEV)
+ifdef SLIP
+	$(C1541) -attach $@ -write default.cfg                                    contiki.cfg,s  >$(NULLDEV)
+else
 	$(C1541) -attach $@ -write ../c64/default.cfg                             contiki.cfg,s  >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../cpu/6502/ethconfig/cs8900a.eth           cs8900a.eth,s  >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../cpu/6502/ethconfig/lan91c96.eth          lan91c96.eth,s >$(NULLDEV)
+endif
 	$(C1541) -attach $@ -write $(CC65)/c64/drv/mou/c64-1351.mou               contiki.mou,s  >$(NULLDEV)
 	$(C1541) -attach $@ -write $(CC65)/c64/drv/mou/c64-inkwell.mou            inkwell.mou,s  >$(NULLDEV)
 	$(C1541) -attach $@ -write $(CC65)/c64/drv/mou/c64-joy.mou                joy.mou,s      >$(NULLDEV)
@@ -282,27 +333,35 @@ contiki-c64-1.d64: c64-makes
 
 contiki-c64-2.d64: c64-makes
 	$(C1541) -format contiki-2,00 d64 $@
-	$(C1541) -attach $@ -write ../../cpu/6502/ethconfig/ethconfig.c64  ethconfig,p    >$(NULLDEV)
-	$(C1541) -attach $@ -write ../../cpu/6502/ipconfig/ipconfig.c64    ipconfig,p     >$(NULLDEV)
-	$(C1541) -attach $@ -write ../../examples/irc/irc-client.c64       irc,p          >$(NULLDEV)
-	$(C1541) -attach $@ -write ../../examples/irc-80col/irc-client.c64 irc80,p        >$(NULLDEV)
-	$(C1541) -attach $@ -write ../c64/default.cfg                      contiki.cfg,s  >$(NULLDEV)
-	$(C1541) -attach $@ -write ../../cpu/6502/ethconfig/cs8900a.eth    cs8900a.eth,s  >$(NULLDEV)
-	$(C1541) -attach $@ -write ../../cpu/6502/ethconfig/lan91c96.eth   lan91c96.eth,s >$(NULLDEV)
-	$(C1541) -attach $@ -write $(CC65)/c64/drv/mou/c64-1351.mou        contiki.mou,s  >$(NULLDEV)
-	$(C1541) -attach $@ -write $(CC65)/c64/drv/mou/c64-inkwell.mou     inkwell.mou,s  >$(NULLDEV)
-	$(C1541) -attach $@ -write $(CC65)/c64/drv/mou/c64-joy.mou         joy.mou,s      >$(NULLDEV)
-	$(C1541) -attach $@ -write $(CC65)/c64/drv/mou/c64-pot.mou         pot.mou,s      >$(NULLDEV)
+	$(C1541) -attach $@ -write ../../cpu/6502/$(DEV)config/$(DEV)config.c64 $(DEV)config,p >$(NULLDEV)
+	$(C1541) -attach $@ -write ../../cpu/6502/ipconfig/ipconfig.c64         ipconfig,p     >$(NULLDEV)
+	$(C1541) -attach $@ -write ../../examples/irc/irc-client.c64            irc,p          >$(NULLDEV)
+	$(C1541) -attach $@ -write ../../examples/irc-80col/irc-client.c64      irc80,p        >$(NULLDEV)
+ifdef SLIP
+	$(C1541) -attach $@ -write default.cfg                                  contiki.cfg,s  >$(NULLDEV)
+else
+	$(C1541) -attach $@ -write ../c64/default.cfg                           contiki.cfg,s  >$(NULLDEV)
+	$(C1541) -attach $@ -write ../../cpu/6502/ethconfig/cs8900a.eth         cs8900a.eth,s  >$(NULLDEV)
+	$(C1541) -attach $@ -write ../../cpu/6502/ethconfig/lan91c96.eth        lan91c96.eth,s >$(NULLDEV)
+endif
+	$(C1541) -attach $@ -write $(CC65)/c64/drv/mou/c64-1351.mou             contiki.mou,s  >$(NULLDEV)
+	$(C1541) -attach $@ -write $(CC65)/c64/drv/mou/c64-inkwell.mou          inkwell.mou,s  >$(NULLDEV)
+	$(C1541) -attach $@ -write $(CC65)/c64/drv/mou/c64-joy.mou              joy.mou,s      >$(NULLDEV)
+	$(C1541) -attach $@ -write $(CC65)/c64/drv/mou/c64-pot.mou              pot.mou,s      >$(NULLDEV)
 
 contiki-c64-3.d64: c64-makes
 	$(C1541) -format contiki-3,00 d64 $@
-	$(C1541) -attach $@ -write ../../cpu/6502/ethconfig/ethconfig.c64          ethconfig,p    >$(NULLDEV)
+	$(C1541) -attach $@ -write ../../cpu/6502/$(DEV)config/$(DEV)config.c64    $(DEV)config,p >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../cpu/6502/ipconfig/ipconfig.c64            ipconfig,p     >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../examples/webserver/webserver-example.c64  webserver,p    >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../examples/telnet-server/telnet-server.c64  telnetd,p      >$(NULLDEV)
+ifdef SLIP
+	$(C1541) -attach $@ -write default.cfg                                     contiki.cfg,s  >$(NULLDEV)
+else
 	$(C1541) -attach $@ -write ../c64/default.cfg                              contiki.cfg,s  >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../cpu/6502/ethconfig/cs8900a.eth            cs8900a.eth,s  >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../cpu/6502/ethconfig/lan91c96.eth           lan91c96.eth,s >$(NULLDEV)
+endif
 	$(C1541) -attach $@ -write $(CC65)/c64/drv/mou/c64-1351.mou                contiki.mou,s  >$(NULLDEV)
 	$(C1541) -attach $@ -write $(CC65)/c64/drv/mou/c64-inkwell.mou             inkwell.mou,s  >$(NULLDEV)
 	$(C1541) -attach $@ -write $(CC65)/c64/drv/mou/c64-joy.mou                 joy.mou,s      >$(NULLDEV)
@@ -314,7 +373,7 @@ contiki-c64-3.d64: c64-makes
 
 contiki-c64.d71: c64-makes
 	$(C1541) -format contiki,00 d71 $@
-	$(C1541) -attach $@ -write ../../cpu/6502/ethconfig/ethconfig.c64          ethconfig,p    >$(NULLDEV)
+	$(C1541) -attach $@ -write ../../cpu/6502/$(DEV)config/$(DEV)config.c64    $(DEV)config,p >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../cpu/6502/ipconfig/ipconfig.c64            ipconfig,p     >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../examples/webbrowser/webbrowser.c64        webbrowser,p   >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../examples/webbrowser-80col/webbrowser.c64  webbrowser80,p >$(NULLDEV)
@@ -323,9 +382,13 @@ contiki-c64.d71: c64-makes
 	$(C1541) -attach $@ -write ../../examples/irc-80col/irc-client.c64         irc80,p        >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../examples/webserver/webserver-example.c64  webserver,p    >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../examples/telnet-server/telnet-server.c64  telnetd,p      >$(NULLDEV)
+ifdef SLIP
+	$(C1541) -attach $@ -write default.cfg                                     contiki.cfg,s  >$(NULLDEV)
+else
 	$(C1541) -attach $@ -write ../c64/default.cfg                              contiki.cfg,s  >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../cpu/6502/ethconfig/cs8900a.eth            cs8900a.eth,s  >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../cpu/6502/ethconfig/lan91c96.eth           lan91c96.eth,s >$(NULLDEV)
+endif
 	$(C1541) -attach $@ -write $(CC65)/c64/drv/mou/c64-1351.mou                contiki.mou,s  >$(NULLDEV)
 	$(C1541) -attach $@ -write $(CC65)/c64/drv/mou/c64-inkwell.mou             inkwell.mou,s  >$(NULLDEV)
 	$(C1541) -attach $@ -write $(CC65)/c64/drv/mou/c64-joy.mou                 joy.mou,s      >$(NULLDEV)
@@ -337,7 +400,7 @@ contiki-c64.d71: c64-makes
 
 contiki-c64.d81: c64-makes
 	$(C1541) -format contiki,00 d81 $@
-	$(C1541) -attach $@ -write ../../cpu/6502/ethconfig/ethconfig.c64          ethconfig,p    >$(NULLDEV)
+	$(C1541) -attach $@ -write ../../cpu/6502/$(DEV)config/$(DEV)config.c64    $(DEV)config,p >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../cpu/6502/ipconfig/ipconfig.c64            ipconfig,p     >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../examples/webbrowser/webbrowser.c64        webbrowser,p   >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../examples/webbrowser-80col/webbrowser.c64  webbrowser80,p >$(NULLDEV)
@@ -346,9 +409,13 @@ contiki-c64.d81: c64-makes
 	$(C1541) -attach $@ -write ../../examples/irc-80col/irc-client.c64         irc80,p        >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../examples/webserver/webserver-example.c64  webserver,p    >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../examples/telnet-server/telnet-server.c64  telnetd,p      >$(NULLDEV)
+ifdef SLIP
+	$(C1541) -attach $@ -write default.cfg                                     contiki.cfg,s  >$(NULLDEV)
+else
 	$(C1541) -attach $@ -write ../c64/default.cfg                              contiki.cfg,s  >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../cpu/6502/ethconfig/cs8900a.eth            cs8900a.eth,s  >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../cpu/6502/ethconfig/lan91c96.eth           lan91c96.eth,s >$(NULLDEV)
+endif
 	$(C1541) -attach $@ -write $(CC65)/c64/drv/mou/c64-1351.mou                contiki.mou,s  >$(NULLDEV)
 	$(C1541) -attach $@ -write $(CC65)/c64/drv/mou/c64-inkwell.mou             inkwell.mou,s  >$(NULLDEV)
 	$(C1541) -attach $@ -write $(CC65)/c64/drv/mou/c64-joy.mou                 joy.mou,s      >$(NULLDEV)
@@ -370,24 +437,32 @@ contiki-c128.zip: contiki-c128-1.d64 contiki-c128-2.d64 contiki-c128.d71 contiki
 
 contiki-c128-1.d64: c128-makes
 	$(C1541) -format contiki-1,00 d64 $@
-	$(C1541) -attach $@ -write ../../cpu/6502/ethconfig/ethconfig.c128         ethconfig,p    >$(NULLDEV)
+	$(C1541) -attach $@ -write ../../cpu/6502/$(DEV)config/$(DEV)config.c128   $(DEV)config,p >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../cpu/6502/ipconfig/ipconfig.c128           ipconfig,p     >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../examples/webbrowser-80col/webbrowser.c128 webbrowser,p   >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../examples/wget/wget.c128                   wget,p         >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../examples/irc-80col/irc-client.c128        irc,p          >$(NULLDEV)
+ifdef SLIP
+	$(C1541) -attach $@ -write default.cfg                                     contiki.cfg,s  >$(NULLDEV)
+else
 	$(C1541) -attach $@ -write ../c128/default.cfg                             contiki.cfg,s  >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../cpu/6502/ethconfig/cs8900a.eth            cs8900a.eth,s  >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../cpu/6502/ethconfig/lan91c96.eth           lan91c96.eth,s >$(NULLDEV)
+endif
 
 contiki-c128-2.d64: c128-makes
 	$(C1541) -format contiki-3,00 d64 $@
-	$(C1541) -attach $@ -write ../../cpu/6502/ethconfig/ethconfig.c128         ethconfig,p    >$(NULLDEV)
+	$(C1541) -attach $@ -write ../../cpu/6502/$(DEV)config/$(DEV)config.c128   $(DEV)config,p >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../cpu/6502/ipconfig/ipconfig.c128           ipconfig,p     >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../examples/webserver/webserver-example.c128 webserver,p    >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../examples/telnet-server/telnet-server.c128 telnetd,p      >$(NULLDEV)
+ifdef SLIP
+	$(C1541) -attach $@ -write default.cfg                                     contiki.cfg,s  >$(NULLDEV)
+else
 	$(C1541) -attach $@ -write ../c128/default.cfg                             contiki.cfg,s  >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../cpu/6502/ethconfig/cs8900a.eth            cs8900a.eth,s  >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../cpu/6502/ethconfig/lan91c96.eth           lan91c96.eth,s >$(NULLDEV)
+endif
 	$(C1541) -attach $@ -write ../../examples/webserver/httpd-cfs/index.htm    index.htm,s    >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../examples/webserver/httpd-cfs/backgrnd.gif backgrnd.gif,s >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../examples/webserver/httpd-cfs/contiki.gif  contiki.gif,s  >$(NULLDEV)
@@ -395,16 +470,20 @@ contiki-c128-2.d64: c128-makes
 
 contiki-c128.d71: c128-makes
 	$(C1541) -format contiki,00 d71 $@
-	$(C1541) -attach $@ -write ../../cpu/6502/ethconfig/ethconfig.c128         ethconfig,p    >$(NULLDEV)
+	$(C1541) -attach $@ -write ../../cpu/6502/$(DEV)config/$(DEV)config.c128   $(DEV)config,p >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../cpu/6502/ipconfig/ipconfig.c128           ipconfig,p     >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../examples/webbrowser-80col/webbrowser.c128 webbrowser,p   >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../examples/wget/wget.c128                   wget,p         >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../examples/irc-80col/irc-client.c128        irc,p          >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../examples/webserver/webserver-example.c128 webserver,p    >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../examples/telnet-server/telnet-server.c128 telnetd,p      >$(NULLDEV)
+ifdef SLIP
+	$(C1541) -attach $@ -write default.cfg                                     contiki.cfg,s  >$(NULLDEV)
+else
 	$(C1541) -attach $@ -write ../c128/default.cfg                             contiki.cfg,s  >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../cpu/6502/ethconfig/cs8900a.eth            cs8900a.eth,s  >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../cpu/6502/ethconfig/lan91c96.eth           lan91c96.eth,s >$(NULLDEV)
+endif
 	$(C1541) -attach $@ -write ../../examples/webserver/httpd-cfs/index.htm    index.htm,s    >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../examples/webserver/httpd-cfs/backgrnd.gif backgrnd.gif,s >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../examples/webserver/httpd-cfs/contiki.gif  contiki.gif,s  >$(NULLDEV)
@@ -412,16 +491,20 @@ contiki-c128.d71: c128-makes
 
 contiki-c128.d81: c128-makes
 	$(C1541) -format contiki,00 d81 $@
-	$(C1541) -attach $@ -write ../../cpu/6502/ethconfig/ethconfig.c128         ethconfig,p    >$(NULLDEV)
+	$(C1541) -attach $@ -write ../../cpu/6502/$(DEV)config/$(DEV)config.c128   $(DEV)config,p >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../cpu/6502/ipconfig/ipconfig.c128           ipconfig,p     >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../examples/webbrowser-80col/webbrowser.c128 webbrowser,p   >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../examples/wget/wget.c128                   wget,p         >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../examples/irc-80col/irc-client.c128        irc,p          >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../examples/webserver/webserver-example.c128 webserver,p    >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../examples/telnet-server/telnet-server.c128 telnetd,p      >$(NULLDEV)
+ifdef SLIP
+	$(C1541) -attach $@ -write default.cfg                                     contiki.cfg,s  >$(NULLDEV)
+else
 	$(C1541) -attach $@ -write ../c128/default.cfg                             contiki.cfg,s  >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../cpu/6502/ethconfig/cs8900a.eth            cs8900a.eth,s  >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../cpu/6502/ethconfig/lan91c96.eth           lan91c96.eth,s >$(NULLDEV)
+endif
 	$(C1541) -attach $@ -write ../../examples/webserver/httpd-cfs/index.htm    index.htm,s    >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../examples/webserver/httpd-cfs/backgrnd.gif backgrnd.gif,s >$(NULLDEV)
 	$(C1541) -attach $@ -write ../../examples/webserver/httpd-cfs/contiki.gif  contiki.gif,s  >$(NULLDEV)
diff --git a/tools/6502/default.cfg b/tools/6502/default.cfg
new file mode 100644
index 000000000..f6c0401fc
Binary files /dev/null and b/tools/6502/default.cfg differ
diff --git a/tools/6502/sample.cfg b/tools/6502/sample.cfg
new file mode 100644
index 000000000..1a40699e4
Binary files /dev/null and b/tools/6502/sample.cfg differ