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git-svn-id: http://svn.code.sf.net/p/netboot65/code@156 93682198-c243-4bdb-bd91-e943c89aac3b

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This commit is contained in:
jonnosan 2009-07-12 10:43:42 +00:00
parent 14667cc6c1
commit 8eac97e4bf
10 changed files with 67 additions and 29 deletions
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2
client/cfg/c64prg.cfg
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@ -1,7 +1,7 @@
MEMORY {
ZP: start = $02, size = $1A, type = rw, define = yes;
IP65ZP: start = $5f, size = $10, type = rw, define = yes;
RAM: start = $07FF, size = $58ab, define = yes, file = %O;
RAM: start = $07FF, size = $77ab, define = yes, file = %O;
DISCARD: start = $77FF, size = $10, define = yes;
}
SEGMENTS {

8
client/inc/nb65_constants.i
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@ -33,7 +33,7 @@ NB65_SEND_UDP_PACKET EQU $12 ;inputs: AX points to a UDP packet parame
NB65_UDP_REMOVE_LISTENER EQU $13 ;inputs: AX contains UDP port number that listener will be removed from
NB65_TCP_CONNECT EQU $14 ;inputs: AX points to a TCP connect parameter structure, outputs: A = connection #
NB65_TCP_SEND_PACKET EQU $15 ;inputs: AX points to a TCP send parameter structure, outputs: none packet is sent
NB65_SEND_TCP_PACKET EQU $15 ;inputs: AX points to a TCP send parameter structure, outputs: none packet is sent
NB65_TCP_CLOSE_CONNECTION EQU $16 ;inputs: A = connection # to close, outputs: none
NB65_TFTP_SET_SERVER EQU $20 ;inputs: AX points to a TFTP server parameter structure, outputs: none
@ -88,9 +88,8 @@ NB65_TCP_PORT EQU $04 ;2 byte port number (to li
NB65_TCP_CALLBACK EQU $06 ;2 byte address of routine to be called whenever a new packet arrives
;offsets in TCP send parameter structure
NB65_TCP_CONNECTION_NUMBER EQU $00 ;1 byte connection number for previously set up connection
NB65_TCP_PAYLOAD_LENGTH EQU $01 ;2 byte length of payload of packet (after all ethernet,IP,UDP/TCP headers)
NB65_TCP_PAYLOAD_POINTER EQU $03 ;2 byte pointer to payload of packet (after all headers)
NB65_TCP_PAYLOAD_LENGTH EQU $00 ;2 byte length of payload of packet (after all ethernet,IP,UDP/TCP headers)
NB65_TCP_PAYLOAD_POINTER EQU $02 ;2 byte pointer to payload of packet (after all headers)
;offsets in TCP/UDP packet parameter structure
NB65_REMOTE_IP EQU $00 ;4 byte IP address of remote machine (src of inbound packets, dest of outbound packets)
@ -99,7 +98,6 @@ NB65_LOCAL_PORT EQU $06 ;2 byte port number of loc
NB65_PAYLOAD_LENGTH EQU $08 ;2 byte length of payload of packet (after all ethernet,IP,UDP/TCP headers)
; in a TCP connection, if the length is $FFFF, this actually means "end of connection"
NB65_PAYLOAD_POINTER EQU $0A ;2 byte pointer to payload of packet (after all headers)
NB65_CONNECTION_NUMBER EQU $0C ;1 byte "connection number" (valid for TCP connections only)
;error codes (as returned by NB65_GET_LAST_ERROR)
NB65_ERROR_PORT_IN_USE EQU $80

36
client/ip65/tcp.s
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@ -1,4 +1,10 @@
;TCP (transmission control protocol) functions
;NB to use these functions, you must pass "-DTCP" to ca65 when assembling "ip.s"
;otherwise inbound tcp packets won't get passed in to tcp_process
;currently only a single outbound (client) connection is supported
;to use, first call "tcp_connect" to create a connection. to send data on that connection, call "tcp_send".
;whenever data arrives, a call will be made to the routine pointed at by tcp_callback.
MAX_TCP_PACKETS_SENT=8 ;timeout after sending 8 messages will be about 7 seconds (1+2+3+4+5+6+7+8)/4
@ -12,7 +18,6 @@ MAX_TCP_PACKETS_SENT=8 ;timeout after sending 8 messages will be about 7 sec
.export tcp_init
.export tcp_process
.export tcp_listen
.export tcp_connect
.export tcp_callback
.export tcp_connect_ip
@ -21,7 +26,7 @@ MAX_TCP_PACKETS_SENT=8 ;timeout after sending 8 messages will be about 7 sec
.export tcp_inbound_data_ptr
.export tcp_inbound_data_length
.export tcp_ack_number
.import ip_calc_cksum
.import ip_send
@ -113,22 +118,22 @@ tcp_ack_number: .res 4
tcp_data_ptr: .res 2
tcp_data_len: .res 2
tcp_send_data_ptr: .res 2
tcp_send_data_len: .res 2
tcp_callback: .res 2
tcp_send_data_len: .res 2 ;length (in bytes) of data to be sent over tcp connection
tcp_callback: .res 2 ;vector to routine to be called when data is received over tcp connection
tcp_flags: .res 1
tcp_inbound_data_ptr: .res 2
tcp_inbound_data_length: .res 2
tcp_inbound_data_ptr: .res 2 ;pointer to data just recieved over tcp connection
tcp_inbound_data_length: .res 2 ;length of data just received over tcp connection
;(if this is $ffff, that means "end of file", i.e. remote end has closed connection)
tcp_connect_sequence_number: .res 4 ;the seq number we will next send out
tcp_connect_expected_ack_number: .res 4 ;what we expect to see in the next inbound ack
tcp_connect_ack_number: .res 4 ;what we will next ack
tcp_connect_last_received_seq_number: .res 4 ;the seq field in the last inbound packet for this connection
tcp_connect_last_ack: .res 4 ;ack field in the last inbound packet for this connection
tcp_connect_local_port: .res 2
tcp_connect_local_port: .res 2 ;
tcp_connect_remote_port: .res 2
tcp_connect_ip: .res 4
tcp_connect_ip: .res 4 ;ip address of remote server to connect to
tcp_timer: .res 1
@ -137,6 +142,10 @@ tcp_packet_sent_count: .res 1
.code
; initialize tcp
;called automatically by ip_init if "ip.s" was compiled with -DTCP
; inputs: none
; outputs: none
tcp_init:
rts
@ -473,11 +482,6 @@ tcp_send_packet:
jmp ip_send ; send packet, sec on error
;listen on the tcp port specified
; tcp_callback: vector to call when data arrives on specified port
; AX: set to tcp port to listen on
tcp_listen:
rts
check_current_connection:
;see if the ip packet we just got is for a valid (non-closed) tcp connection
@ -516,14 +520,14 @@ check_current_connection:
clc
rts
tcp_process:
;process incoming tcp packet
;called automatically by ip_process if "ip.s" was compiled with -DTCP
;inputs:
; eth_inp: should contain an ethernet frame encapsulating an inbound tcp packet
;outputs:
; none but if connection was found, an outbound message may be created, overwriting eth_outp
; also tcp_state and other tcp variables may be modified
tcp_process:
lda #tcp_flag_RST
bit tcp_inp+tcp_flags_field

4
client/nb65/nb65_c64.s
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@ -587,7 +587,9 @@ netboot65_msg:
main_menu_msg:
.byte 13," MAIN MENU",13,13
.byte "F1: TFTP BOOT"
.if !(BANKSWITCH_SUPPORT=$03)
.if (BANKSWITCH_SUPPORT=$03)
.byte " F3: GOPHER"
.else
.byte " F3: BASIC"
.endif
.byte 13

2
client/nb65/nb65_version.i
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@ -1 +1 @@
.byte "0.9.8"
.byte "0.9.14"

6
client/test/Makefile
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@ -21,7 +21,7 @@ INCFILES=\
all: \
ip65test.dsk \
testdns.prg \
test_gopher.prg \
gopher_browser.prg \
testdns.pg2 \
testtftp.prg \
testtftp.pg2\
@ -42,8 +42,8 @@ all: \
test_tcp.prg: test_tcp.o $(IP65TCPLIB) $(C64PROGLIB) $(INCFILES) ../cfg/c64prg.cfg
$(LD) -m test_tcp.map -vm -C ../cfg/c64prg.cfg -o test_tcp.prg $(AFLAGS) $< $(IP65TCPLIB) $(C64PROGLIB)
test_gopher.prg: test_gopher.o $(IP65TCPLIB) $(C64PROGLIB) $(INCFILES) ../cfg/c64prg.cfg
$(LD) -m test_gopher.map -vm -C ../cfg/c64prg.cfg -o test_gopher.prg $(AFLAGS) $< $(IP65TCPLIB) $(C64PROGLIB)
gopher_browser.prg: gopher_browser.o $(IP65TCPLIB) $(C64PROGLIB) $(INCFILES) ../cfg/c64prg.cfg
$(LD) -m gopher_browser.map -vm -C ../cfg/c64prg.cfg -o gopher_browser.prg $(AFLAGS) $< $(IP65TCPLIB) $(C64PROGLIB)
%.pg2: %.o $(IP65LIB) $(APPLE2PROGLIB) $(INCFILES) ../cfg/a2bin.cfg

2
dist/version_number.txt vendored
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@ -1 +1 @@
0.9.8
0.9.14

33
doc/C64 gopher client.txt Normal file
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@ -0,0 +1,33 @@
C64 gopher browser v0.1
REQUIREMENTS
1) RR-NET or compatible
2) DHCP server on LAN
USAGE
When run, the program will use DHCP to assign itself an IP address, default gateway and DNS server address.
You will then be prompted for the address of a gopher server. you can enter a hostname or an ip address. If
you just hit enter at this prompt, "gopher.floodgap.com" will load. NB - in the current version you can only
enter a server name, not a specific resource on that server, or a port (the default gopher port 70 is used).
Once a gopher resource is loaded, the following keys are active:
SPACE, F7 or down arrow : scroll down to next page
F1 or up arror : scroll up to previous page
F2 : show recently visited resource
F3 or left arrow : go back to last visited resource
F5 : prompt to enter a new server (nb server name only - not resource or port)
RUN/STOP : quit
If the page currently being displayed has links to further resources in it, each link will be displayed
starting with a highlighted letter (e.g. the first link on a page will have an inverse "A" next to it,
the 2nd link on a page will have an inverse "B" next to it etc). Press the letter assigned to the link
will load up that resource.
Currently only Text and Directory resources are handled.
jonno @ jamtronix.com
2009-07-11

3
doc/ip65.html
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@ -89,7 +89,7 @@ IP65 is a TCP/IP stack for 6502 based computers.
<tr>
<th>Services</th>
<td class="unimp" colspan="2" rowspan="2">TCP</td>
<td class="partial" colspan="2" rowspan="2">TCP</td>
<td class="done" colspan="2">DHCP/DNS/TFTP</td>
<td class="done" colspan="2">Echo</td>
</tr>
@ -153,6 +153,7 @@ IP65 is a TCP/IP stack for 6502 based computers.
<pre>
Release Maintainer Changes
------- ---------- -------
2009-07-12 Jonno Downes Initial TCP implementation (use -DTCP to include)
2009-03-21 Jonno Downes Added technical reference documentation
2009-03-15 Jonno Downes Added DHCP, DNS & TFTP
2009-01-22 Per Olofsson Added copymem fix from Jonno Downes. Added MPL license.

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doc/nb65_api_technical_reference.doc
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