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https://github.com/bobbimanners/emailler.git
synced 2024-09-08 21:54:28 +00:00
fixed unreliable detection of remote disconnect plus border colour now indicates connection status properly
git-svn-id: http://svn.code.sf.net/p/netboot65/code@238 93682198-c243-4bdb-bd91-e943c89aac3b
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@ -13,6 +13,11 @@
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.import telnet_ip
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.import filter_number
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.export telnet_on_connection
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.bss
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original_border: .res 1
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.code
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telnet_main_entry:
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;prompt for a hostname, then resolve to an IP address
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@ -117,8 +122,22 @@ telnet_main_entry:
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jsr print_ascii_as_native
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ldax #mode
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jsr print_ascii_as_native
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jsr telnet_connect
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lda $d020
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sta original_border
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jsr telnet_connect
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lda original_border
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sta $d020
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;reset the background colour
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jmp telnet_main_entry
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telnet_on_connection:
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;toggle the background colour
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dec $d020
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rts
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;constants
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connecting_in: .byte "connecting in ",0
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@ -2,7 +2,9 @@
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;to use:
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;set the following variables - telnet_use_native_charset,telnet_port,telnet_ip
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;then call telnet_connect
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;you must also define (and export) these function
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; telnet_menu - called whenever the F1 key is pressed.
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; telnet_on_connection - called after succesful connection
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.include "../inc/common.i"
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@ -41,6 +43,7 @@
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.export telnet_ip
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.import telnet_menu
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.import telnet_on_connection
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.segment "IP65ZP" : zeropage
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@ -48,6 +51,12 @@
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buffer_ptr: .res 2 ; source pointer
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.code
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;connect to a remote telnet server
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;inputs:
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;telnet_use_native_charset: set to 0 if remote server uses standard ASCII, 1 if remote server uses the 'native' charset (i.e. PETSCII)
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;telnet_port: port number to connect to
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;telnet_ip: ip address of remote server
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telnet_connect:
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lda telnet_use_native_charset
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bne :+
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@ -73,6 +82,9 @@ telnet_connect:
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jsr print_errorcode
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rts
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@connect_ok:
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jsr telnet_on_connection
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ldax #ok_msg
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jsr print
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jsr print_cr
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@ -82,15 +94,6 @@ telnet_connect:
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@main_polling_loop:
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jsr ip65_process
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lda connection_closed
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beq @not_disconnected
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ldax #disconnected
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jsr print
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rts
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@not_disconnected:
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@inner_loop:
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jsr timer_read
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txa
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adc #$20 ;32 x 1/4 = ~ 8seconds
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@ -100,9 +103,15 @@ telnet_connect:
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cpx telnet_timeout
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bne @no_timeout
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jsr tcp_send_keep_alive
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jmp @inner_loop
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jmp @main_polling_loop
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@no_timeout:
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jsr ip65_process
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lda connection_closed
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beq @not_disconnected
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ldax #disconnected
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jsr print
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rts
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@not_disconnected:
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lda iac_response_buffer_length
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beq @no_iac_response
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ldx #0
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@ -120,7 +129,7 @@ telnet_connect:
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cmp #KEYCODE_F1
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bne @not_telnet_menu
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jsr telnet_menu
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jmp @inner_loop
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jmp @main_polling_loop
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@not_telnet_menu:
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tax
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