mirror of
https://github.com/bobbimanners/emailler.git
synced 2024-11-15 02:04:28 +00:00
e7b042efdc
git-svn-id: http://svn.code.sf.net/p/netboot65/code@319 93682198-c243-4bdb-bd91-e943c89aac3b
355 lines
7.5 KiB
ArmAsm
355 lines
7.5 KiB
ArmAsm
; #############
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;
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; jonno@jamtronix.com - May 2011
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;
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.include "../inc/common.i"
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.include "commonprint.i"
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.import ip65_init
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.import dhcp_init
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.import tftp_ip
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.importzp tftp_filename
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.import tftp_load_address
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.import tftp_download
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.import tftp_callback_vector
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.import w5100_set_ip_config
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.import cls
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.import beep
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.import exit_to_basic
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.import timer_vbl_handler
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.import get_key_ip65
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.import cfg_mac
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.import cfg_size
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.import cfg_ip
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.import cfg_netmask
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.import cfg_gateway
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.import cfg_dns
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.import cfg_tftp_server
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.import cfg_get_configuration_ptr
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.import dns_ip
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.import dns_set_hostname
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.import dns_resolve
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.import ip65_process
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.import copymem
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.importzp copy_src
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.importzp copy_dest
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.import get_filtered_input
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.import __DATA_LOAD__
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.import __DATA_RUN__
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.import __DATA_SIZE__
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.import __SELF_MODIFIED_CODE_LOAD__
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.import __SELF_MODIFIED_CODE_RUN__
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.import __SELF_MODIFIED_CODE_SIZE__
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SCNKEY=$FF9F ;Query keyboard - put matrix code into $00CB & status of shift keys $028D
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IP_CONFIG_SNAPSHOT=$200
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.bss
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tmp_load_address: .res 2
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shift_pressed_on_bootup : .res 1
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.data
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exit_cart:
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call_downloaded_prg:
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jsr $0000 ;overwritten when we load a file
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jmp warm_init
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.segment "CARTRIDGE_HEADER"
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.word cold_init ;cold start vector
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.word warm_init ;warm start vector
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.byte $C3,$C2,$CD,$38,$30 ; "CBM80"
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.byte $0,$0,$0 ;reserved for future use
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.byte $0,$0,$0 ;reserved for future use
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.byte $0,$0,$0 ;reserved for future use
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.byte $0,$0,$0 ;reserved for future use
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.byte $0,$0,$0 ;reserved for future use
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.code
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cold_init:
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;first let the kernal do a normal startup
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sei
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jsr $fda3 ;initialize CIA I/O
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jsr $fd50 ;RAM test, set pointers
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jsr $fd15 ;set vectors for KERNAL
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jsr $ff5B ;init. VIC
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cli ;KERNAL init. finished
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;do the 'secret knock' to disable writes to the EEPROM
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lda #$55
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sta $9c55
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lda #$aa
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sta $83aa
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lda #$05
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sta $9c55
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@poll_loop:
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lda $8000
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cmp $8000
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bne @poll_loop
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;copy ourselves to the C64 RAM
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;so if we go into 'SHUTUP' mode, we keep executing from the same address, in C64 RAM
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ldax #$8000
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stax copy_src
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stax copy_dest
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ldax #$2000
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jsr copymem
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warm_init:
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jsr SCNKEY ;Query keyboard - put matrix code into $00CB & status of shift keys $028D
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lda $028D
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and #$02
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beq @commodore_key_not_pressed
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jmp $e394
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@commodore_key_not_pressed:
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lda $028D
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and #$01
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sta shift_pressed_on_bootup
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;set some funky colours
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LDA #$05 ;green
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STA $D020 ;border
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LDA #$00 ;black
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STA $D021 ;background
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lda #$05 ;petscii for white text
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jsr print_a
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;relocate our r/w data
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ldax #__DATA_LOAD__
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stax copy_src
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ldax #__DATA_RUN__
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stax copy_dest
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ldax #__DATA_SIZE__
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jsr copymem
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ldax #__SELF_MODIFIED_CODE_LOAD__
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stax copy_src
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ldax #__SELF_MODIFIED_CODE_RUN__
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stax copy_dest
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ldax #__SELF_MODIFIED_CODE_SIZE__
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jsr copymem
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ldax #wizboot_msg
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jsr print
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;monkey patch the TFTP callback handler
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ldax tftp_callback_vector+1
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stax new_tftp_callback_vector+1
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ldax #new_tftp_callback_vector
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stax tftp_callback_vector+1
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jsr ip65_init
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bcs init_failed
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jsr dhcp_init
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bcc init_ok
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init_failed:
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jsr print_errorcode
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jsr print_ip_config
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flash_forever:
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inc $d020
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jmp flash_forever
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init_ok:
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;stash the IP config we just got somewhere that other WizNet apps can get it
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ldax #cfg_mac
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stax copy_src
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ldax #IP_CONFIG_SNAPSHOT
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stax copy_dest
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ldax #cfg_size
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jsr copymem
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lda shift_pressed_on_bootup
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bne @skip_resolving_tftp_hostname
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ldax #resolving_tftp_hostname
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jsr print
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jsr print_cr
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ldax #tftp_hostname
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jsr dns_set_hostname
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bcs init_failed
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jsr dns_resolve
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bcs init_failed
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ldx #$03
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@copy_tftp_ip_loop:
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lda dns_ip,x
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sta cfg_tftp_server,x
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dex
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bpl @copy_tftp_ip_loop
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@skip_resolving_tftp_hostname:
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ldx #$03
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:
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lda cfg_tftp_server,x
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sta tftp_ip,x
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dex
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bpl :-
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jsr print_cr
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jsr print_ip_config
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tftp_boot:
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ldax #tftp_file
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stax tftp_filename
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ldax #$0000 ;load address will be first 2 bytes of file we download (LO/HI order)
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stax tftp_load_address
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ldax #downloading_msg
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jsr print
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ldax tftp_filename
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jsr print
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jsr print_cr
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jsr tftp_download
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bcc file_downloaded_ok
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ldax #tftp_download_fail_msg
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jsr print
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jsr print_errorcode
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jsr wait_for_keypress
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return_to_main:
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jmp tftp_boot
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file_downloaded_ok:
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ldax #tftp_download_ok_msg
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jsr print
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ldax tftp_load_address
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boot_into_file:
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stax tmp_load_address ;use the param buffer as a temp holding place for the load address
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;get ready to bank out
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jsr $ffe7 ; make sure all files have been closed.
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;check whether the file we just downloaded was a BASIC prg
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lda tmp_load_address
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cmp #01
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bne @not_a_basic_file
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lda tmp_load_address+1
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cmp #$08
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bne @not_a_basic_file
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jsr $e453 ;set BASIC vectors
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jsr $e3bf ;initialize BASIC
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jsr $a86e
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jsr $a533 ; re-bind BASIC lines
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ldx $22 ;load end-of-BASIC pointer (lo byte)
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ldy $23 ;load end-of-BASIC pointer (hi byte)
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stx $2d ;save end-of-BASIC pointer (lo byte)
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sty $2e ;save end-of-BASIC pointer (hi byte)
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jsr $a659 ; CLR (reset variables)
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ldax #$a7ae ; jump to BASIC interpreter loop
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jmp exit_cart_via_ax
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@not_a_basic_file:
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ldax tmp_load_address
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exit_cart_via_ax:
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sta call_downloaded_prg+1
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stx call_downloaded_prg+2
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jmp exit_cart
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wait_for_keypress:
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ldax #press_a_key_to_continue
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jsr print
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@loop:
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jsr $ffe4
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beq @loop
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rts
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get_key:
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@loop:
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jsr $ffe4
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beq @loop
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rts
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.rodata
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wizboot_msg:
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.byte 147 ;cls
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;.byte 14 ;lower case
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.byte 142 ;upper case
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.byte 13," RR-NET MK3 - V"
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.include "../inc/version.i"
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.include "timestamp.i"
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.byte 13
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.byte 13," HOLD C= FOR BASIC / SHIFT FOR LAN BOOT",13,13
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.byte 0
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downloading_msg: .byte 13,"DOWNLOADING ",0
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tftp_download_fail_msg:
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.byte "DOWNLOAD FAILED", 13, 0
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tftp_download_ok_msg:
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.byte 13,"DOWNLOAD OK", 13, 0
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tftp_file:
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.asciiz "BOOTC64.PRG"
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resolving_tftp_hostname:
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.byte "RESOLVING "
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tftp_hostname:
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.asciiz "JAMTRONIX.COM"
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.data
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new_tftp_callback_vector:
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jsr $ffff
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lda #'.'
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jmp print_a
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;we need a 'dummy' segment here - some drivers use this segment (e.g. wiznet), some don't (e.g. rr-net)
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;if we don't declare this, we get an 'undefined segment' error when linking to a driver that doesn't use it.
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.segment "SELF_MODIFIED_CODE"
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;-- LICENSE FOR wizboot.s --
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; The contents of this file are subject to the Mozilla Public License
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; Version 1.1 (the "License"); you may not use this file except in
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; compliance with the License. You may obtain a copy of the License at
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; http://www.mozilla.org/MPL/
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;
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; Software distributed under the License is distributed on an "AS IS"
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; basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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; License for the specific language governing rights and limitations
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; under the License.
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;
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; The Original Code is wizboot.
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;
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; The Initial Developer of the Original Code is Jonno Downes,
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; jonno@jamtronix.com.
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; Portions created by the Initial Developer are Copyright (C) 2011
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; Jonno Downes. All Rights Reserved.
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; -- LICENSE END --
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