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git-svn-id: http://svn.code.sf.net/p/netboot65/code@116 93682198-c243-4bdb-bd91-e943c89aac3b
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jonnosan
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@ -15,3 +15,15 @@
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stx 1+(arg)
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.endmacro
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.macro phax
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pha
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txa
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pha
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.endmacro
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.macro plax
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pla
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tax
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pla
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.endmacro
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@ -35,7 +35,8 @@ NB65_TFTP_DIRECTORY_LISTING EQU $20 ;inputs: AX points to a TFTP parameter st
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NB65_TFTP_DOWNLOAD EQU $21 ;inputs: AX points to a TFTP parameter structure, outputs: TFTP param structure updated with
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;NB65_TFTP_POINTER updated to reflect actual load address (if load address $0000 originally passed in)
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NB65_TFTP_CALLBACK_DOWNLOAD EQU $22 ;inputs: AX points to a TFTP parameter structure, outputs: none
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NB65_TFTP_CALLBACK_UPLOAD EQU $23 ;upload: AX points to a TFTP parameter structure, outputs: none
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NB65_TFTP_UPLOAD EQU $23 ;upload: AX points to a TFTP parameter structure, outputs: none
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NB65_TFTP_CALLBACK_UPLOAD EQU $24 ;upload: AX points to a TFTP parameter structure, outputs: none
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NB65_DNS_RESOLVE EQU $30 ;inputs: AX points to a DNS parameter structure, outputs: DNS param structure updated with
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;NB65_DNS_HOSTNAME_IP updated with IP address corresponding to hostname.
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@ -63,6 +64,7 @@ NB65_DRIVER_NAME EQU $1A ;2 byte pointer to name of driver
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NB65_TFTP_IP EQU $00 ;4 byte IP address of TFTP server
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NB65_TFTP_FILENAME EQU $04 ;2 byte pointer to asciiz filename (or filemask in case of NB65_TFTP_DIRECTORY_LISTING)
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NB65_TFTP_POINTER EQU $06 ;2 byte pointer to memory location data to be stored in OR address of callback function
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NB65_TFTP_FILESIZE EQU $08 ;2 byte file length (filled in by NB65_TFTP_DOWNLOAD, must be passed in to NB65_TFTP_UPLOAD)
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;offsets in DNS parameter structure (used by NB65_DNS_RESOLVE)
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NB65_DNS_HOSTNAME EQU $00 ;2 byte pointer to asciiz hostname to resolve (can also be a dotted quad string)
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@ -23,6 +23,7 @@
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.import tftp_download
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.import tftp_upload
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.import tftp_set_callback_vector
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.import tftp_filesize
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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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@ -46,7 +47,7 @@ nb65_params = copy_src
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.data
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old_ax: .res 2
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jmp_old_irq:
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jmp $0000
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@ -102,7 +103,6 @@ set_tftp_callback_vector:
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nb65_dispatcher:
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stax nb65_params
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stax old_ax
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cpy #NB65_INITIALIZE
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@ -132,37 +132,6 @@ irq_handler_installed:
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:
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cpy #NB65_TFTP_DIRECTORY_LISTING
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bne :+
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jsr set_tftp_params
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jsr tftp_directory_listing
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@after_tftp_call: ;write the current load address back to the param buffer (so if $0000 was passed in, the caller can find out the actual value used)
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bcs @tftp_error
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ldax old_ax
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stax nb65_params
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ldy #NB65_TFTP_POINTER
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lda tftp_load_address
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sta (nb65_params),y
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iny
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lda tftp_load_address+1
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sta (nb65_params),y
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clc
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@tftp_error:
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@dns_error:
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rts
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:
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cpy #NB65_TFTP_DOWNLOAD
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bne :+
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jsr set_tftp_params
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jsr tftp_download
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jmp @after_tftp_call
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:
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cpy #NB65_DNS_RESOLVE
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bne :+
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ldy #NB65_DNS_HOSTNAME+1
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@ -171,7 +140,7 @@ irq_handler_installed:
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dey
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lda (nb65_params),y
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jsr dns_set_hostname
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bcs @dns_error
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bcc @dns_error
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jsr dns_resolve
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bcs @dns_error
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ldy #NB65_DNS_HOSTNAME_IP
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@ -182,7 +151,9 @@ irq_handler_installed:
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iny
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dex
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bne @copy_dns_ip
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@dns_error:
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rts
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:
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cpy #NB65_UDP_ADD_LISTENER
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@ -299,11 +270,52 @@ irq_handler_installed:
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rts
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:
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cpy #NB65_TFTP_DIRECTORY_LISTING
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bne :+
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phax
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jsr set_tftp_params
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jsr tftp_directory_listing
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@after_tftp_call: ;write the current load address back to the param buffer (so if $0000 was passed in, the caller can find out the actual value used)
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plax
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bcs @tftp_error
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stax nb65_params
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ldy #NB65_TFTP_POINTER
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lda tftp_load_address
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sta (nb65_params),y
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iny
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lda tftp_load_address+1
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sta (nb65_params),y
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ldy #NB65_TFTP_FILESIZE
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lda tftp_filesize
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sta (nb65_params),y
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iny
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lda tftp_filesize+1
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sta (nb65_params),y
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clc
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@tftp_error:
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rts
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:
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cpy #NB65_TFTP_DOWNLOAD
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bne :+
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phax
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jsr set_tftp_params
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jsr tftp_download
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jmp @after_tftp_call
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:
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cpy #NB65_TFTP_CALLBACK_DOWNLOAD
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bne :+
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phax
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jsr set_tftp_params
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jsr set_tftp_callback_vector
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jmp tftp_download
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jsr tftp_download
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jmp @after_tftp_call
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:
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cpy #NB65_TFTP_CALLBACK_UPLOAD
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@ -21,6 +21,7 @@
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.export tftp_set_callback_vector
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.export tftp_data_block_length
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.export tftp_clear_callbacks
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.export tftp_filesize
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.import ip65_process
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.import ip65_error
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@ -91,15 +92,16 @@ tftp_actual_server_ip: .res 4 ;this is read from the reply - it may not be t
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tftp_just_set_new_load_address: .res 1
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tftp_opcode: .res 2 ; will be set to 4 if we are doing a RRQ, or 7 if we are doing a DIR
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tftp_filesize: .res 2 ;will be set by tftp_download, needs to be set before calling tftp_upload_from_memory
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.code
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;uploads a file to a tftp server
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;uploads a file to a tftp server with data retrieved from specified memory location
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; inputs:
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; tftp_ip: ip address of host to download from (set to 255.255.255.255 for broadcast)
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; tftp_filename: pointer to null terminated name of file to download
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; of file should be loaded into (e.g. if downloading a C64 'prg' file)
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; a callback vector should have been set with tftp_set_callback_vector
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; tftp_ip: ip address of host to send file to (set to 255.255.255.255 for broadcast)
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; tftp_filename: pointer to null terminated name of file to upload
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; tftp_load_address: starting address of data to be sent
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; tftp_filesize: length of data to send
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; outputs: carry flag is set if there was an error
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; if a callback vector has been set with tftp_set_callback_vector
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; then the specified routine will be called once for each 512 byte packet
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@ -109,6 +111,18 @@ tftp_opcode: .res 2 ; will be set to 4 if we are doing a RRQ, or 7 if we are doi
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; with file downloaded.
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; tftp_load_address: will be set to the actual address loaded into (NB - this field is
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; ignored if a callback vector has been set with tftp_set_callback_vector)
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tftp_upload_from_memory:
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ldax #copy_ram_to_tftp_block
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jsr tftp_set_callback_vector
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;uploads a file to a tftp server with data retrieved from user supplied routine
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; inputs:
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; tftp_ip: ip address of host to send file to (set to 255.255.255.255 for broadcast)
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; tftp_filename: pointer to null terminated name of file to upload
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; a callback vector should have been set with tftp_set_callback_vector
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; outputs: carry flag is set if there was an error
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; the specified routine will be called once for each 512 byte packet
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; to be sent from the tftp server.
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tftp_upload:
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ldax #$0200 ;opcode 02 = WRQ
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jmp set_tftp_opcode
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@ -153,7 +167,10 @@ tftp_directory_listing:
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; tftp_load_address: will be set to the actual address loaded into (NB - this field is
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; ignored if a callback vector has been set with tftp_set_callback_vector)
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tftp_download:
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ldax #$0100 ;opcode 01 = RRQ
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lda #00
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sta tftp_filesize
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sta tftp_filesize+1
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ldx #$01 ;opcode 01 = RRQ (A should already be zero from having just reset file length)
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set_tftp_opcode:
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stax tftp_opcode
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lda #tftp_initializing
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@ -503,6 +520,10 @@ copy_tftp_block_to_ram:
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sta tftp_current_memloc+1
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rts
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;default handler for uploading a file
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copy_ram_to_tftp_block:
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rts
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;set up vector of routine to be called when each 512 packet arrives from tftp server
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;when downloading OR for routine to be called when ready to send new block
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;when uploading.
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@ -174,8 +174,15 @@ init:
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stax nb65_param_buffer+NB65_TFTP_POINTER
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ldax #nb65_param_buffer
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call #NB65_TFTP_CALLBACK_DOWNLOAD
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lda #'$'
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jsr print_a
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lda nb65_param_buffer+NB65_TFTP_FILESIZE+1
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jsr print_hex
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lda nb65_param_buffer+NB65_TFTP_FILESIZE
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jsr print_hex
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print #bytes_download
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print_cr
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;udp callback test
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ldax #64 ;listen on port 64
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@ -409,6 +416,8 @@ ok:
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dns_lookup_failed_msg:
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.byte "DNS LOOKUP FAILED", 0
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bytes_download: .byte "BYTES DOWNLOADED",13,0
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reply_message:
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.byte "PONG!"
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reply_message_end:
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