From 8c0e0b0f0ec2daf5c1db1de171514fb23ad6c94e Mon Sep 17 00:00:00 2001
From: jonnosan <jonnosan@93682198-c243-4bdb-bd91-e943c89aac3b>
Date: Sun, 21 Mar 2010 11:23:36 +0000
Subject: [PATCH] tcp_listen was very busted (was sending a bogus sequence
 number in the initial SYN/ACK packet, so subsequent data transmissions never
 properly acknowledged by remote host)

git-svn-id: http://svn.code.sf.net/p/netboot65/code@250 93682198-c243-4bdb-bd91-e943c89aac3b
---
 client/ip65/tcp.s | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/client/ip65/tcp.s b/client/ip65/tcp.s
index bbd0ff6..58b7f16 100644
--- a/client/ip65/tcp.s
+++ b/client/ip65/tcp.s
@@ -178,6 +178,7 @@ tcp_listen:
   sta tcp_connect_sequence_number+1
   jsr ip65_random_word
   stax  tcp_connect_sequence_number+2
+  jsr set_expected_ack;       ;due to various ugly hacks, the 'expected ack' value is now what is put into the 'SEQ' field in outbound packets 
 @listen_loop:
   jsr ip65_process
   jsr check_for_abort_key
@@ -286,7 +287,8 @@ tcp_connection_established:
   stax  acc32
   ldax  #$01
   jsr add_16_32
-  
+
+set_expected_ack:
 ;set the expected ack number with current seq number
 	ldx #3				; 
 :	lda tcp_connect_sequence_number,x