diff --git a/.Floppies/A2OSX.BUILD.po b/.Floppies/A2OSX.BUILD.po
index f85d0cf0..09435eec 100644
Binary files a/.Floppies/A2OSX.BUILD.po and b/.Floppies/A2OSX.BUILD.po differ
diff --git a/.Floppies/A2OSX.SRC.po b/.Floppies/A2OSX.SRC.po
index e1ef3d0d..2a526c4a 100644
Binary files a/.Floppies/A2OSX.SRC.po and b/.Floppies/A2OSX.SRC.po differ
diff --git a/BIN/PING.S.txt b/BIN/PING.S.txt
index a07ef748..3a11d8ab 100644
--- a/BIN/PING.S.txt
+++ b/BIN/PING.S.txt
@@ -51,12 +51,7 @@ CS.INIT			>LDYA L.LIBTCPIP
 				bcs .9
 				sta hLIBTCPIP
 
-				lda (pPs)
-				ora #S.PS.F.EVENT		Now accept events
-				sta (pPs)
-				
 				clc
-
 .9				rts
 *--------------------------------------
 CS.RUN			>LIBCALL hLIBTCPIP,LIBTCPIP.GET.IPCFG	is TCPIP loaded ?
diff --git a/BIN/RPCDUMP.S.txt b/BIN/RPCDUMP.S.txt
index e2824442..a4aa9a5e 100644
--- a/BIN/RPCDUMP.S.txt
+++ b/BIN/RPCDUMP.S.txt
@@ -22,7 +22,8 @@ CS.START		cld
 				jmp (.1,x)
 				.DA #$61				6502,Level 1 (65c02)
 				.DA #1					BIN Layout Version 1
-				.DA 0
+				.DA #S.PS.F.EVENT
+				.DA #0
 				.DA CS.END-CS.START		Code Length To Relocate
 				.DA DS.END-DS.START		Data Segment to Allocate
 				.DA #16					SS
@@ -67,9 +68,6 @@ CS.INIT			ldy #S.PS.ARGC
 				dex
 				bpl .1
 				
-				lda (pPs)
-				ora #S.PS.F.EVENT		Now accept events
-				sta (pPs)
 				clc
 				rts
 				
diff --git a/LIB/LIBTCPIP.S.FRM.txt b/LIB/LIBTCPIP.S.FRM.txt
index 8daa1648..38844002 100644
--- a/LIB/LIBTCPIP.S.FRM.txt
+++ b/LIB/LIBTCPIP.S.FRM.txt
@@ -142,7 +142,7 @@ FRM.SendIP		ldx #3					Copy SRC.IP even if IP offload
 				iny
 				sta (ZPFrameOutPtr),y
 				
-				stz IP.CHECKSUM			RESET.IP.CHECKSUM	
+				stz IP.CHECKSUM			RESET IP CHECKSUM
 				stz IP.CHECKSUM+1
 
 				clc
diff --git a/LIB/LIBTCPIP.S.IP.txt b/LIB/LIBTCPIP.S.IP.txt
index 335f082f..6eff62b2 100644
--- a/LIB/LIBTCPIP.S.IP.txt
+++ b/LIB/LIBTCPIP.S.IP.txt
@@ -19,42 +19,17 @@ IP.IN			ldy #S.IP.PROTOCOL
 				jsr TCP.IN				TCP will NOT discard FrameIn
 				
 .9				lda hFrameIn
+				beq .8
 				>SYSCALL FreeMem
 				rts
+				
+.8				clc
+				rts
 *--------------------------------------
 IP.ComputeICMPChecksum
 				stz IP.CHECKSUM
 				stz IP.CHECKSUM+1
 
-				lda ZPFrameOutLen
-				sec
-				sbc #S.ICMP.TYPE
-				eor #$ff
-				tax
-				
-				lda ZPFrameOutLen+1
-				sbc /S.ICMP.TYPE
-				eor #$ff
-				
-				ldy #S.ICMP.CHECKSUM
-				
-				jmp IP.ComputeChecksum
-*--------------------------------------
-IP.ComputeUDPChecksum				
-				ldy #S.UDP.LENGTH
-				lda (ZPFrameOutPtr),y
-				clc
-				
-*				adc /S.IP.PROTOCOL.UDP 	(all zero)
-				sta IP.CHECKSUM
-
-				iny
-				lda (ZPFrameOutPtr),y
-				adc #S.IP.PROTOCOL.UDP
-				sta IP.CHECKSUM+1
-				
-				jsr IP.AddSrcDstIPToChecksum
-
 				lda ZPFrameOutLen
 				sec
 				sbc #S.IP
@@ -65,6 +40,37 @@ IP.ComputeUDPChecksum
 				sbc /S.IP
 				eor #$ff
 				
+				ldy #S.ICMP.CHECKSUM
+				
+				clc
+				
+				jmp IP.ComputeChecksum
+*--------------------------------------
+IP.ComputeUDPChecksum
+				clc
+
+				ldy #S.UDP.LENGTH+1
+				lda (ZPFrameOutPtr),y
+				
+				adc #S.IP.PROTOCOL.UDP
+				sta IP.CHECKSUM+1
+
+				dey
+				lda (ZPFrameOutPtr),y
+				adc /S.IP.PROTOCOL.UDP	 	(all zero)
+				sta IP.CHECKSUM
+				
+				jsr IP.AddSrcDstIPToChecksum
+
+				ldy #S.UDP.LENGTH+1
+				lda (ZPFrameOutPtr),y
+				eor #$ff
+				tax
+
+				dey
+				lda (ZPFrameOutPtr),y
+				eor #$ff
+				
 				ldy #S.UDP.CHECKSUM
 				bra IP.ComputeChecksum
 *--------------------------------------
@@ -165,7 +171,6 @@ IP.ComputeChecksum
 *--------------------------------------
 IP.AddSrcDstIPToChecksum
 				ldy #S.IP.SRC
-				
 				ldx #4					4 words for SRC & DST IP
 				
 .1				lda (ZPFrameOutPtr),y
@@ -178,6 +183,7 @@ IP.AddSrcDstIPToChecksum
 				iny
 				dex
 				bne .1
+				
 				rts
 *--------------------------------------
 IP.FillSKT.TemplateSrcDstIPP
diff --git a/LIB/LIBTCPIP.S.txt b/LIB/LIBTCPIP.S.txt
index cdcc0a46..d8116c32 100644
--- a/LIB/LIBTCPIP.S.txt
+++ b/LIB/LIBTCPIP.S.txt
@@ -363,7 +363,7 @@ hFrameIn		.BS 1
 hFrameOut		.BS 1
 HST.SScanF		.AZ "%d.%d.%d.%d"
 IP.ID			.BS 2
-IP.CHECKSUM		.BS 4
+IP.CHECKSUM		.BS 2
 *--------------------------------------
 MAN
 SAVE /A2OSX.SRC/LIB/LIBTCPIP.S
diff --git a/SBIN/DHCPCLNT.S.txt b/SBIN/DHCPCLNT.S.txt
index e2f2e42c..9c0a48a1 100644
--- a/SBIN/DHCPCLNT.S.txt
+++ b/SBIN/DHCPCLNT.S.txt
@@ -24,7 +24,8 @@ CS.START		cld
 				jmp (.1,x)
 				.DA #$61				6502,Level 1 (65c02)
 				.DA #1					BIN Layout Version 1
-				.DA 0
+				.DA #S.PS.F.EVENT
+				.DA #0
 				.DA CS.END-CS.START		CS
 				.DA DS.END-DS.START		DS
 				.DA #64					SS
@@ -92,10 +93,6 @@ CS.INIT			>LDYA L.LIBTCPIP
 				dex
 				bpl .2
 				
-				lda (pPs)
-				ora #S.PS.F.EVENT		Now accept events
-				sta (pPs)
-				
 				clc
 .9				rts
 
@@ -114,8 +111,7 @@ CS.RUN			>PUSHW L.Socket
 				bcc	.1
 				jmp CS.RUN.KO
 				
-.1				txa
-				>STA.G hSocket
+.1				>STA.G hSocket
 				
 				>LDYA L.MSG.CFG1
 				>SYSCALL puts
@@ -125,6 +121,7 @@ CS.RUN			>PUSHW L.Socket
 CS.RUN.SDISC	>PUSHWI DHCP.DISC.LEN
 				>PUSHW L.DHCP.DISC
 				>LDA.G hSocket
+
 				>LIBCALL hLIBTCPIP,LIBTCPIP.SKT.Send
 				bcc .1
 				jmp CS.RUN.KO
diff --git a/SBIN/SHELL.S.txt b/SBIN/SHELL.S.txt
index 9bb36dfc..2d18aa66 100644
--- a/SBIN/SHELL.S.txt
+++ b/SBIN/SHELL.S.txt
@@ -175,7 +175,7 @@ CS.RUN			>LDA.G bReadMode		READ Command ?
 .10				jsr CL.RESET			reset CmdBuf
 				>STA.G bSecureRead		Clear password mode
 
-.12				jsr CL.PrintPrompt
+				jsr CL.PrintPrompt
 				bcs .9
 
 .1				>SLEEP
diff --git a/SBIN/TELNETD.S.txt b/SBIN/TELNETD.S.txt
index 136a3e09..9dd5279d 100644
--- a/SBIN/TELNETD.S.txt
+++ b/SBIN/TELNETD.S.txt
@@ -163,10 +163,7 @@ CS.RUN.SERVER	>LDA.G hSrvSocket
 				>SYSCALL printf
 				bcs .9
 				
-				>PUSHW L.NOD.NAME
-				>LDA.G hClientSocket
-				>LIBCALL hLIBTCPIP,LIBTCPIP.SKT.MkNod
-				bcs .9
+