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https://github.com/bobbimanners/emailler.git
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update gopher to use resource_download
git-svn-id: http://svn.code.sf.net/p/netboot65/code@190 93682198-c243-4bdb-bd91-e943c89aac3b
This commit is contained in:
jonnosan
parent
0845e5dd5d
commit
8ee3c969e9
@ -1,10 +1,10 @@
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TARGET=c64
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.PHONY: ip65 drivers test clean distclean nb65 kipper examples
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.PHONY: ip65 drivers test clean distclean nb65 examples
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all: ip65 drivers test nb65 kipper examples
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all: ip65 drivers test nb65 examples
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ip65:
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make -C ip65 all
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@ -12,9 +12,6 @@ ip65:
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drivers:
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make -C drivers all
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kipper:
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make -C kipper all
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examples:
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make -C examples all
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@ -19,13 +19,6 @@
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.importzp copy_dest
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.import copymem
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.import ascii_to_native
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.import tcp_connect
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.import tcp_send
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.import tcp_send_data_len
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.import tcp_callback
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.import tcp_connect_ip
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.import tcp_inbound_data_length
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.import tcp_inbound_data_ptr
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.import dns_ip
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.import dns_resolve
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.import dns_set_hostname
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@ -44,7 +37,17 @@
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.import telnet_local_echo
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.import telnet_line_mode
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.import telnet_use_native_charset
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.import url_ip
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.import url_port
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.import url_selector
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.import url_resource_type
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.import url_parse
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.import url_download
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.import url_download_buffer
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.import url_download_buffer_length
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.import resource_download
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.segment "IP65ZP" : zeropage
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; pointer for moving through buffers
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@ -81,7 +84,7 @@ download_flag: .res 1
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dl_loop_counter: .res 2
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this_is_last_page: .res 1
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tcp_buffer_ptr: .res 2
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temp_ax: .res 2
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RESOURCE_HOSTNAME_MAX_LENGTH=64
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@ -91,15 +94,15 @@ resource_port: .res 2
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resource_selector: .res 128
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resource_selector_length: .res 1
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displayed_resource_type: .res 1
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query_string: .res 32
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query_string_length: .res 1
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RESOURCE_HISTORY_ENTRIES=8
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resource_history:
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.res $100*RESOURCE_HISTORY_ENTRIES
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scratch_buffer_length=16000
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scratch_buffer:
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.res 16000
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.res scratch_buffer_length
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.code
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@ -226,7 +229,7 @@ display_resource_in_buffer:
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lda screen_current_col
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cmp #0
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; beq :+
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beq :+
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jsr print_cr
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:
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lda screen_current_row
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@ -346,9 +349,16 @@ select_resource_from_current_directory:
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inx
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jmp @copy_selector
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@end_of_selector:
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lda #$00
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sta resource_selector,x
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stx resource_selector_length
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;terminate with a CR,LF,$00
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lda #$0D
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sta resource_selector,x
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lda #$0A
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sta resource_selector+1,x
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lda #$00
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sta resource_selector+2,x
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tax
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;should now be pointing at the tab just before the hostname
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@copy_hostname:
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@ -408,16 +418,23 @@ select_resource_from_current_directory:
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stax buffer_ptr
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jsr print_cr
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ldy #0
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sty query_string_length
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ldx resource_selector_length
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lda #09
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@copy_one_char:
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sta query_string,y
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inc query_string_length
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sta resource_selector,x
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inx
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lda (buffer_ptr),y
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beq @done_query_string
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iny
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jmp @copy_one_char
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bne @copy_one_char
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@done_query_string:
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;terminate with a CR,LF,$00
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lda #$0D
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sta resource_selector,x
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lda #$0A
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sta resource_selector+1,x
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lda #$00
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sta resource_selector+2,x
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@done:
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add_resource_to_history_and_display:
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@ -452,13 +469,7 @@ add_resource_to_history_and_display:
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bcs @error_in_loading
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jmp display_resource_in_buffer
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@error_in_loading:
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ldax #error
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jsr print
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lda ip65_error
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jsr print_hex
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jsr print_cr
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;jsr get_key
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rts
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jmp print_errorcode
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;show the entries in the history buffer
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@ -479,7 +490,7 @@ show_history:
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bne @show_one_entry
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get_keypress_then_rts:
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jsr print_cr
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ldax #any_key_to_continue
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ldax #press_a_key_to_continue
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jsr print
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jsr get_key
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rts
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@ -487,8 +498,6 @@ get_keypress_then_rts:
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;load the 'current_resource' into the buffer
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load_resource_into_buffer:
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ldax #scratch_buffer
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stax tcp_buffer_ptr
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ldax #resolving
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jsr print
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ldax #resource_hostname
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@ -501,22 +510,21 @@ load_resource_into_buffer:
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jsr dns_resolve
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:
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bcc @no_error
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jmp @error
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rts
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@no_error:
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ldx #3 ; save IP address just retrieved
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: lda dns_ip,x
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sta tcp_connect_ip,x
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sta url_ip,x
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sta telnet_ip,x
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dex
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bpl :-
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ldax #gopher_download_callback
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stax tcp_callback
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ldax #connecting
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jsr print
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lda displayed_resource_type
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cmp #'8' ;is it a 'telnet' resource?
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bne @not_telnet_resource
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ldax #connecting
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jsr print
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ldax resource_port
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stax telnet_port
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lda #0
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@ -542,98 +550,16 @@ load_resource_into_buffer:
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@not_telnet_resource:
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ldax resource_port
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jsr tcp_connect
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bcs @error
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;connected, now send the selector
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jsr print_cr
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ldax #retrieving
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jsr print
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stax url_port
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ldax #resource_selector
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jsr print
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jsr print_cr
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ldx #0
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stx download_flag
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stx dl_loop_counter
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stx dl_loop_counter+1
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lda resource_selector_length
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beq @empty_selector
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stax tcp_send_data_len
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ldax #resource_selector
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jsr tcp_send
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stax url_selector
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ldax #scratch_buffer
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stax url_download_buffer
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ldax #scratch_buffer_length
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stax url_download_buffer_length
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@empty_selector:
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;send the tab and query string (if supplied)
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lda displayed_resource_type
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cmp #'7' ;is it a 'search' resource?
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bne @send_cr_lf
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ldax query_string_length
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sta tcp_send_data_len
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ldax #query_string
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jsr tcp_send
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@send_cr_lf:
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;send the CR/LF after the connector
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ldax #2
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sta tcp_send_data_len
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ldax #cr_lf
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jsr tcp_send
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jmp resource_download
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;now loop until we're done
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@download_loop:
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inc dl_loop_counter
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bne :+
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inc dl_loop_counter+1
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bne :+
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lda #'.'
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jsr print_a
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:
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jsr ip65_process
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lda download_flag
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beq @download_loop
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clc
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@error:
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rts
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gopher_download_callback:
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lda tcp_inbound_data_length
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cmp #$ff
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bne @not_end_of_file
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lda #1
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sta download_flag
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;put a zero byte at the end of the file (in case it was a text file)
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ldax tcp_buffer_ptr
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stax copy_dest
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lda #0
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tay
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sta (copy_dest),y
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rts
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@not_end_of_file:
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;copy this chunk to our input buffer
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ldax tcp_buffer_ptr
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stax copy_dest
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ldax tcp_inbound_data_ptr
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stax copy_src
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ldax tcp_inbound_data_length
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jsr copymem
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;increment the pointer into the input buffer
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clc
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lda tcp_buffer_ptr
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adc tcp_inbound_data_length
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sta tcp_buffer_ptr
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lda tcp_buffer_ptr+1
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adc tcp_inbound_data_length+1
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sta tcp_buffer_ptr+1
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lda #'*'
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jsr print_a
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rts
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;retrieve entry specified by A from resource history
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@ -711,8 +637,6 @@ port_no:
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history:
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.byte "GOPHER HISTORY ",13,0
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cr_lf: .byte $0D,$0A
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error:
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.byte "ERROR - CODE ",0
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connecting:
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.byte "CONNECTING ",0
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retrieving:
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@ -726,7 +650,4 @@ selector:
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query:
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.byte "QUERY :",0
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any_key_to_continue:
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.byte "PRESS ANY KEY TO CONTINUE",0
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@ -41,6 +41,7 @@ TIMEOUT_SECONDS=15
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.export url_download
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.export url_download_buffer
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.export url_download_buffer_length
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.export resource_download
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target_string=copy_src
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search_string=copy_dest
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@ -293,9 +294,22 @@ skip_to_hostname:
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; AX = length of resource downloaded.
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url_download:
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jsr url_parse
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bcc @url_parsed_ok
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bcc resource_download
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rts
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@url_parsed_ok:
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;download a resource specified by ip,port & selector
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;inputs:
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; url_ip = ip address of host to connect to
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; url_port = port number of to connect to
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; url_selector= address of selector to send to host after connecting
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; url_download_buffer - points to a buffer that url will be downloaded into
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; url_download_buffer_length - length of buffer
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;outputs:
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; sec if an error occured, else buffer pointed at by url_download_buffer is filled with contents
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; of specified resource (with an extra 2 null bytes at the end),
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; AX = length of resource downloaded.
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resource_download:
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ldax url_download_buffer
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stax temp_buffer
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ldax url_download_buffer_length
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@ -322,7 +336,7 @@ url_download:
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jsr tcp_send_string
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jsr timer_read
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txa
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adc #TIMEOUT_SECONDS*4 ;what value shoul trigger the timeout?
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adc #TIMEOUT_SECONDS*4 ;what value should trigger the timeout?
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sta timeout_counter
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;now loop until we're done
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@download_loop:
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