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git-svn-id: http://svn.code.sf.net/p/netboot65/code@110 93682198-c243-4bdb-bd91-e943c89aac3b

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This commit is contained in:
jonnosan 2009-04-16 05:41:04 +00:00
parent 60a7676dea
commit c29d63971d
1 changed files with 10 additions and 8 deletions
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18
client/ip65/tftp.s
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@ -17,10 +17,10 @@
.export tftp_download
.export tftp_directory_listing
.export tftp_data_block_length
.export tftp_set_download_callback
.export tftp_set_callback_vector
.export tftp_data_block_length
.export tftp_clear_callbacks
.import output_buffer
.import ip65_process
.import ip65_error
@ -57,7 +57,7 @@ tftp_filename: .res 2 ;name of file to d/l or filemask to get directory listing
;packet offsets
tftp_inp = udp_inp + udp_data
tftp_outp: .res 128
tftp_outp = output_buffer
;= output_buffer
;everything after filename in a request at a relative address, not fixed, so don't bother defining offset constants
@ -383,7 +383,7 @@ tftp_in:
ldax #udp_inp+$0e
@got_pointer_to_tftp_data:
jsr tftp_download_callback
jsr tftp_callback_vector
lda udp_inp+4 ;check the length of the UDP packet
cmp #02
@ -429,22 +429,24 @@ copy_tftp_block_to_ram:
; inputs:
; AX - address of routine to call for each packet.
; outputs: none
tftp_set_download_callback:
stax tftp_download_callback+1
tftp_set_callback_vector:
stax tftp_callback_vector+1
rts
;clear callback vectors, i.e. all future transfers read from/write to RAM
;inputs: none
;outputs: none
tftp_clear_callbacks:
lda #0
sta tftp_callback_address_set
ldax #copy_tftp_block_to_ram
jmp tftp_set_download_callback
jmp tftp_set_callback_vector
.rodata
tftp_octet_mode: .asciiz "OCTET"
.data
tftp_download_callback:
tftp_callback_vector:
jmp copy_tftp_block_to_ram ;vector for action to take when a data block received (default is to store block in RAM)
tftp_callback_address_set: .byte 0