diff --git a/cpu/6502/net/lan91c96.S b/cpu/6502/net/lan91c96.S
index 0bfb4e35b..e94fdda7c 100644
--- a/cpu/6502/net/lan91c96.S
+++ b/cpu/6502/net/lan91c96.S
@@ -89,7 +89,7 @@ fixup:	.byte	fixup02-fixup01, fixup03-fixup02, fixup04-fixup03
 	.byte	fixup29-fixup28, fixup30-fixup29, fixup31-fixup30
 	.byte	fixup32-fixup31, fixup33-fixup32, fixup34-fixup33
 	.byte	fixup35-fixup34, fixup36-fixup35, fixup37-fixup36
-	.byte	fixup38-fixup37, fixup39-fixup38, fixup40-fixup39
+	.byte	fixup38-fixup37, fixup39-fixup38
 
 fixups	= * - fixup
 
@@ -272,9 +272,7 @@ fixup22:lda ethdata
 	bcs :++
 
 	; Yes, skip packet
-	; Remove and release RX packet from the FIFO
-	lda #%10000000
-fixup23:sta ethmmucr
+	jsr releasepacket
 
 	; No packet available
 	lda #$00
@@ -285,7 +283,7 @@ fixup23:sta ethmmucr
 	; Read bytes into buffer
 :	jsr adjustptr
 :
-fixup24:lda ethdata
+fixup23:lda ethdata
 	sta (ptr),y
 	iny
 	bne :-
@@ -294,8 +292,7 @@ fixup24:lda ethdata
 	bpl :-
 
 	; Remove and release RX packet from the FIFO
-	lda #%10000000
-fixup25:sta ethmmucr
+	jsr releasepacket
 
 	; Return packet length
 	lda len
@@ -313,19 +310,19 @@ send:
 	; Allocate memory for TX
 	txa
 	ora #%00100000
-fixup26:sta ethmmucr
+fixup24:sta ethmmucr
 
 	; 8 retries
 	ldy #$08
 
 	; Wait for allocation ready
 :
-fixup27:lda ethist
+fixup25:lda ethist
 	and #%00001000		; ALLOC INT
 	bne :+
 
-	; Shouldn't we do something here to actively free memory,
-	; maybe removing and releasing an RX packet from the FIFO ???
+	; No space avaliable, skip a received frame
+	jsr releasepacket
 
 	; And try again
 	dey
@@ -335,21 +332,21 @@ fixup27:lda ethist
 
 	; Acknowledge interrupt, is it necessary ???
 :	lda #%00001000
-fixup28:sta ethack
+fixup26:sta ethack
 
 	; Set packet address
-fixup29:lda etharr
-fixup30:sta ethpnr
+fixup27:lda etharr
+fixup28:sta ethpnr
 
 	lda #$00
 	ldx #%01000000		; AUTO INCR.
-fixup31:sta ethptr
-fixup32:stx ethptr+1
+fixup29:sta ethptr
+fixup30:stx ethptr+1
 
 	; Status written by CSMA
 	lda #$00
-fixup33:sta ethdata
-fixup34:sta ethdata
+fixup31:sta ethdata
+fixup32:sta ethdata
 
 	; Check packet length parity:
 	; - Even packet length -> carry set   -> add 6 bytes
@@ -361,10 +358,10 @@ fixup34:sta ethdata
 	; The packet contains 3 extra words
 	lda len
 	adc #$05		; Actually 5 or 6 depending on carry
-fixup35:sta ethdata
+fixup33:sta ethdata
 	lda len+1
 	adc #$00
-fixup36:sta ethdata
+fixup34:sta ethdata
 
 	; Send the packet
 	; ---------------
@@ -372,7 +369,7 @@ fixup36:sta ethdata
 	; Write bytes from buffer
 	jsr adjustptr
 :	lda (ptr),y
-fixup37:sta ethdata
+fixup35:sta ethdata
 	iny
 	bne :-
 	inc ptr+1
@@ -390,13 +387,13 @@ fixup37:sta ethdata
 
 	; No
 :	lda #$00
-fixup38:sta ethdata		; Fill byte
+fixup36:sta ethdata		; Fill byte
 :	
-fixup39:sta ethdata		; Control byte
+fixup37:sta ethdata		; Control byte
 
 	; Add packet to FIFO
 	lda #%11000000		; ENQUEUE PACKET - transmit packet
-fixup40:sta ethmmucr
+fixup38:sta ethmmucr
 	clc
 	rts
 
@@ -407,6 +404,14 @@ exit:
 
 ;---------------------------------------------------------------------
 
+releasepacket:
+	; Remove and release RX packet from the FIFO
+	lda #%10000000
+fixup39:sta ethmmucr
+	rts
+
+;---------------------------------------------------------------------
+
 adjustptr:
 	lda len
 	ldx len+1
diff --git a/platform/apple2enh/Makefile.apple2enh b/platform/apple2enh/Makefile.apple2enh
index ca1d45970..2bc8c4626 100644
--- a/platform/apple2enh/Makefile.apple2enh
+++ b/platform/apple2enh/Makefile.apple2enh
@@ -55,7 +55,7 @@ endif
 
 disk: all
 	cp $(CONTIKI)/tools/$(TARGET)/prodos.dsk contiki.dsk
-	java -jar $(AC) -p    contiki.dsk contiki.system sys 0 < $(CC65_HOME)/targetutil/loader.system
+	java -jar $(AC) -p    contiki.dsk contiki.system sys   < $(CC65_HOME)/targetutil/loader.system
 	java -jar $(AC) -cc65 contiki.dsk contiki        bin   < $(CONTIKI_PROJECT).$(TARGET)
 	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
diff --git a/platform/apple2enh/contiki-conf.h b/platform/apple2enh/contiki-conf.h
index 3f96da1aa..4326efe2d 100644
--- a/platform/apple2enh/contiki-conf.h
+++ b/platform/apple2enh/contiki-conf.h
@@ -64,5 +64,6 @@
 #define WWW_CONF_MAX_FORMACTIONLEN  20
 #define WWW_CONF_MAX_INPUTNAMELEN   20
 #define WWW_CONF_MAX_INPUTVALUELEN  20
+#define WWW_CONF_WGET_EXEC(url)     exec("wget", url)
 
 #endif /* CONTIKI_CONF_H_ */
diff --git a/platform/apple2enh/lib/pfs.S b/platform/apple2enh/lib/pfs.S
index 00101d329..ed44dfc1e 100644
--- a/platform/apple2enh/lib/pfs.S
+++ b/platform/apple2enh/lib/pfs.S
@@ -32,13 +32,14 @@
 ;
 ;---------------------------------------------------------------------
 	.constructor init_pfs
-        .destructor  done_pfs
+	.destructor  done_pfs
 	.importzp    ptr1
-	.import	     popax, _uip_aligned_buf
-	.export	     _pfs_open, _pfs_read, _pfs_close
+	.import      popax, _uip_aligned_buf
+	.export      _pfs_open, _pfs_read, _pfs_close
 ;---------------------------------------------------------------------
 pathname	:= $0280
 mli		:= $BF00
+level		:= $BF94
 
 OPEN_CALL	= $C8
 READ_CALL	= $CA
@@ -68,8 +69,11 @@ close_fd:	.byte	$00		    ;REF_NUM
 	.segment	"INIT"
 
 init_pfs:
-        ; Get prefix len of path used to load binary
-        ldx pathname
+	; Allow exec() to keep file open
+	inc level
+
+	; Get prefix len of path used to load binary
+	ldx pathname
 :	lda pathname,x
 	cmp #'/'
 	beq :+
@@ -80,6 +84,15 @@ init_pfs:
 ;---------------------------------------------------------------------
 	.code
 
+done_pfs:
+	; Close all file
+	lda #$00
+	jsr _pfs_close
+
+	; Allow exec() to keep file open
+	dec level
+	rts
+
 _pfs_open:
 	; Pop and store name
 	jsr popax
@@ -131,11 +144,8 @@ _pfs_read:
 	ldx read_count_out+1
 	rts
 
-done_pfs:
-	lda #$00
-
 _pfs_close:
-	; Store	fd
+	; Store fd
 	sta close_fd
 
 	jsr mli
@@ -147,6 +157,6 @@ _pfs_close:
 error:
 	; Return -1
 	lda #$FF
-        tax
-        rts
+	tax
+	rts
 ;---------------------------------------------------------------------
diff --git a/tools/6502/Makefile b/tools/6502/Makefile
index 6e0d6bd50..143393cf0 100644
--- a/tools/6502/Makefile
+++ b/tools/6502/Makefile
@@ -73,14 +73,14 @@ apple2: contiki-apple2-1.dsk contiki-apple2-2.dsk contiki-apple2-3.dsk contiki-a
 
 contiki-apple2-1.dsk: apple2enh-makes
 	cp ../apple2enh/prodos.dsk $@
-	java -jar $(AC) -p    $@ menu.system     sys 0 < ../apple2enh/menu.system
-	java -jar $(AC) -p    $@ ethconfi.system sys 0 < $(CC65_HOME)/targetutil/loader.system
-	java -jar $(AC) -cc65 $@ ethconfi        bin 0 < ../../cpu/6502/ethconfig/ethconfig.apple2enh
-	java -jar $(AC) -p    $@ ipconfig.system sys 0 < $(CC65_HOME)/targetutil/loader.system
-	java -jar $(AC) -cc65 $@ ipconfig        bin 0 < ../../cpu/6502/ipconfig/ipconfig.apple2enh
-	java -jar $(AC) -p    $@ webbrows.system sys 0 < $(CC65_HOME)/targetutil/loader.system
+	java -jar $(AC) -p    $@ menu.system     sys   < ../apple2enh/menu.system
+	java -jar $(AC) -p    $@ ethconfi.system sys   < $(CC65_HOME)/targetutil/loader.system
+	java -jar $(AC) -cc65 $@ ethconfi        bin   < ../../cpu/6502/ethconfig/ethconfig.apple2enh
+	java -jar $(AC) -p    $@ ipconfig.system sys   < $(CC65_HOME)/targetutil/loader.system
+	java -jar $(AC) -cc65 $@ ipconfig        bin   < ../../cpu/6502/ipconfig/ipconfig.apple2enh
+	java -jar $(AC) -p    $@ webbrows.system sys   < $(CC65_HOME)/targetutil/loader.system
 	java -jar $(AC) -cc65 $@ webbrows        bin   < ../../examples/webbrowser/webbrowser.apple2enh
-	java -jar $(AC) -p    $@ wget.system     sys 0 < $(CC65_HOME)/targetutil/loader.system
+	java -jar $(AC) -p    $@ wget.system     sys   < $(CC65_HOME)/targetutil/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
@@ -90,14 +90,14 @@ contiki-apple2-1.dsk: apple2enh-makes
 
 contiki-apple2-2.dsk: apple2enh-makes
 	cp ../apple2enh/prodos.dsk $@
-	java -jar $(AC) -p    $@ menu.system     sys 0 < ../apple2enh/menu.system
-	java -jar $(AC) -p    $@ ethconfi.system sys 0 < $(CC65_HOME)/targetutil/loader.system
-	java -jar $(AC) -cc65 $@ ethconfi        bin 0 < ../../cpu/6502/ethconfig/ethconfig.apple2enh
-	java -jar $(AC) -p    $@ ipconfig.system sys 0 < $(CC65_HOME)/targetutil/loader.system
-	java -jar $(AC) -cc65 $@ ipconfig        bin 0 < ../../cpu/6502/ipconfig/ipconfig.apple2enh
-	java -jar $(AC) -p    $@ irc.system      sys 0 < $(CC65_HOME)/targetutil/loader.system
+	java -jar $(AC) -p    $@ menu.system     sys   < ../apple2enh/menu.system
+	java -jar $(AC) -p    $@ ethconfi.system sys   < $(CC65_HOME)/targetutil/loader.system
+	java -jar $(AC) -cc65 $@ ethconfi        bin   < ../../cpu/6502/ethconfig/ethconfig.apple2enh
+	java -jar $(AC) -p    $@ ipconfig.system sys   < $(CC65_HOME)/targetutil/loader.system
+	java -jar $(AC) -cc65 $@ ipconfig        bin   < ../../cpu/6502/ipconfig/ipconfig.apple2enh
+	java -jar $(AC) -p    $@ irc.system      sys   < $(CC65_HOME)/targetutil/loader.system
 	java -jar $(AC) -cc65 $@ irc             bin   < ../../examples/irc/irc-client.apple2enh
-	java -jar $(AC) -p    $@ breadbox.system sys 0 < $(CC65_HOME)/targetutil/loader.system
+	java -jar $(AC) -p    $@ breadbox.system sys   < $(CC65_HOME)/targetutil/loader.system
 	java -jar $(AC) -cc65 $@ breadbox        bin   < ../../../contikiprojects/vandenbrande.com/twitter/platform/apple2enh/breadbox64.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
@@ -107,14 +107,14 @@ contiki-apple2-2.dsk: apple2enh-makes
 
 contiki-apple2-3.dsk: apple2enh-makes
 	cp ../apple2enh/prodos.dsk $@
-	java -jar $(AC) -p    $@ menu.system     sys 0 < ../apple2enh/menu.system
-	java -jar $(AC) -p    $@ ethconfi.system sys 0 < $(CC65_HOME)/targetutil/loader.system
-	java -jar $(AC) -cc65 $@ ethconfi        bin 0 < ../../cpu/6502/ethconfig/ethconfig.apple2enh
-	java -jar $(AC) -p    $@ ipconfig.system sys 0 < $(CC65_HOME)/targetutil/loader.system
-	java -jar $(AC) -cc65 $@ ipconfig        bin 0 < ../../cpu/6502/ipconfig/ipconfig.apple2enh
-	java -jar $(AC) -p    $@ email.system    sys 0 < $(CC65_HOME)/targetutil/loader.system
+	java -jar $(AC) -p    $@ menu.system     sys   < ../apple2enh/menu.system
+	java -jar $(AC) -p    $@ ethconfi.system sys   < $(CC65_HOME)/targetutil/loader.system
+	java -jar $(AC) -cc65 $@ ethconfi        bin   < ../../cpu/6502/ethconfig/ethconfig.apple2enh
+	java -jar $(AC) -p    $@ ipconfig.system sys   < $(CC65_HOME)/targetutil/loader.system
+	java -jar $(AC) -cc65 $@ ipconfig        bin   < ../../cpu/6502/ipconfig/ipconfig.apple2enh
+	java -jar $(AC) -p    $@ email.system    sys   < $(CC65_HOME)/targetutil/loader.system
 	java -jar $(AC) -cc65 $@ email           bin   < ../../examples/email/email-client.apple2enh
-	java -jar $(AC) -p    $@ ftp.system      sys 0 < $(CC65_HOME)/targetutil/loader.system
+	java -jar $(AC) -p    $@ ftp.system      sys   < $(CC65_HOME)/targetutil/loader.system
 	java -jar $(AC) -cc65 $@ ftp             bin   < ../../examples/ftp/ftp-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
@@ -124,14 +124,14 @@ contiki-apple2-3.dsk: apple2enh-makes
 
 contiki-apple2-4.dsk: apple2enh-makes
 	cp ../apple2enh/prodos.dsk $@
-	java -jar $(AC) -p    $@ menu.system     sys 0 < ../apple2enh/menu.system
-	java -jar $(AC) -p    $@ ethconfi.system sys 0 < $(CC65_HOME)/targetutil/loader.system
-	java -jar $(AC) -cc65 $@ ethconfi        bin 0 < ../../cpu/6502/ethconfig/ethconfig.apple2enh
-	java -jar $(AC) -p    $@ ipconfig.system sys 0 < $(CC65_HOME)/targetutil/loader.system
-	java -jar $(AC) -cc65 $@ ipconfig        bin 0 < ../../cpu/6502/ipconfig/ipconfig.apple2enh
-	java -jar $(AC) -p    $@ webserv.system  sys 0 < $(CC65_HOME)/targetutil/loader.system
+	java -jar $(AC) -p    $@ menu.system     sys   < ../apple2enh/menu.system
+	java -jar $(AC) -p    $@ ethconfi.system sys   < $(CC65_HOME)/targetutil/loader.system
+	java -jar $(AC) -cc65 $@ ethconfi        bin   < ../../cpu/6502/ethconfig/ethconfig.apple2enh
+	java -jar $(AC) -p    $@ ipconfig.system sys   < $(CC65_HOME)/targetutil/loader.system
+	java -jar $(AC) -cc65 $@ ipconfig        bin   < ../../cpu/6502/ipconfig/ipconfig.apple2enh
+	java -jar $(AC) -p    $@ webserv.system  sys   < $(CC65_HOME)/targetutil/loader.system
 	java -jar $(AC) -cc65 $@ webserv         bin   < ../../examples/webserver/webserver-example.apple2enh
-	java -jar $(AC) -p    $@ telnetd.system  sys 0 < $(CC65_HOME)/targetutil/loader.system
+	java -jar $(AC) -p    $@ telnetd.system  sys   < $(CC65_HOME)/targetutil/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
@@ -145,26 +145,26 @@ contiki-apple2-4.dsk: apple2enh-makes
 
 contiki-apple2.2mg: apple2enh-makes
 	cp ../apple2enh/prodos.2mg $@
-	java -jar $(AC) -p    $@ menu.system     sys 0 < ../apple2enh/menu.system
-	java -jar $(AC) -p    $@ ethconfi.system sys 0 < $(CC65_HOME)/targetutil/loader.system
-	java -jar $(AC) -cc65 $@ ethconfi        bin 0 < ../../cpu/6502/ethconfig/ethconfig.apple2enh
-	java -jar $(AC) -p    $@ ipconfig.system sys 0 < $(CC65_HOME)/targetutil/loader.system
-	java -jar $(AC) -cc65 $@ ipconfig        bin 0 < ../../cpu/6502/ipconfig/ipconfig.apple2enh
-	java -jar $(AC) -p    $@ webbrows.system sys 0 < $(CC65_HOME)/targetutil/loader.system
+	java -jar $(AC) -p    $@ menu.system     sys   < ../apple2enh/menu.system
+	java -jar $(AC) -p    $@ ethconfi.system sys   < $(CC65_HOME)/targetutil/loader.system
+	java -jar $(AC) -cc65 $@ ethconfi        bin   < ../../cpu/6502/ethconfig/ethconfig.apple2enh
+	java -jar $(AC) -p    $@ ipconfig.system sys   < $(CC65_HOME)/targetutil/loader.system
+	java -jar $(AC) -cc65 $@ ipconfig        bin   < ../../cpu/6502/ipconfig/ipconfig.apple2enh
+	java -jar $(AC) -p    $@ webbrows.system sys   < $(CC65_HOME)/targetutil/loader.system
 	java -jar $(AC) -cc65 $@ webbrows        bin   < ../../examples/webbrowser/webbrowser.apple2enh
-	java -jar $(AC) -p    $@ wget.system     sys 0 < $(CC65_HOME)/targetutil/loader.system
+	java -jar $(AC) -p    $@ wget.system     sys   < $(CC65_HOME)/targetutil/loader.system
 	java -jar $(AC) -cc65 $@ wget            bin   < ../../examples/wget/wget.apple2enh
-	java -jar $(AC) -p    $@ irc.system      sys 0 < $(CC65_HOME)/targetutil/loader.system
+	java -jar $(AC) -p    $@ irc.system      sys   < $(CC65_HOME)/targetutil/loader.system
 	java -jar $(AC) -cc65 $@ irc             bin   < ../../examples/irc/irc-client.apple2enh
-	java -jar $(AC) -p    $@ breadbox.system sys 0 < $(CC65_HOME)/targetutil/loader.system
+	java -jar $(AC) -p    $@ breadbox.system sys   < $(CC65_HOME)/targetutil/loader.system
 	java -jar $(AC) -cc65 $@ breadbox        bin   < ../../../contikiprojects/vandenbrande.com/twitter/platform/apple2enh/breadbox64.apple2enh
-	java -jar $(AC) -p    $@ email.system    sys 0 < $(CC65_HOME)/targetutil/loader.system
+	java -jar $(AC) -p    $@ email.system    sys   < $(CC65_HOME)/targetutil/loader.system
 	java -jar $(AC) -cc65 $@ email           bin   < ../../examples/email/email-client.apple2enh
-	java -jar $(AC) -p    $@ ftp.system      sys 0 < $(CC65_HOME)/targetutil/loader.system
+	java -jar $(AC) -p    $@ ftp.system      sys   < $(CC65_HOME)/targetutil/loader.system
 	java -jar $(AC) -cc65 $@ ftp             bin   < ../../examples/ftp/ftp-client.apple2enh
-	java -jar $(AC) -p    $@ webserv.system  sys 0 < $(CC65_HOME)/targetutil/loader.system
+	java -jar $(AC) -p    $@ webserv.system  sys   < $(CC65_HOME)/targetutil/loader.system
 	java -jar $(AC) -cc65 $@ webserv         bin   < ../../examples/webserver/webserver-example.apple2enh
-	java -jar $(AC) -p    $@ telnetd.system  sys 0 < $(CC65_HOME)/targetutil/loader.system
+	java -jar $(AC) -p    $@ telnetd.system  sys   < $(CC65_HOME)/targetutil/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