mirror of
https://github.com/bobbimanners/emailler.git
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5218deb352
git-svn-id: http://svn.code.sf.net/p/netboot65/code@207 93682198-c243-4bdb-bd91-e943c89aac3b
174 lines
3.5 KiB
ArmAsm
174 lines
3.5 KiB
ArmAsm
;use the NB65 API to send a d64 disk via TFTP
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.ifndef NB65_API_VERSION_NUMBER
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.define EQU =
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.include "../inc/nb65_constants.i"
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.endif
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.include "../ip65/copymem.s"
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.include "../inc/common.i"
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.import print_a
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.import get_key
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.macro cout arg
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lda arg
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jsr print_a
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.endmacro
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.zeropage
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temp_ptr: .res 2
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.bss
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nb65_param_buffer: .res $20
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block_number: .res $0
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.segment "STARTUP" ;this is what gets put at the start of the file on the C64
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.word basicstub ; load address
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.macro print arg
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ldax arg
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ldy #NB65_PRINT_ASCIIZ
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jsr NB65_DISPATCH_VECTOR
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.endmacro
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.macro print_cr
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lda #13
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jsr print_a
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.endmacro
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.macro call arg
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ldy arg
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jsr NB65_DISPATCH_VECTOR
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.endmacro
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basicstub:
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.word @nextline
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.word 2003
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.byte $9e
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.byte <(((init / 1000) .mod 10) + $30)
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.byte <(((init / 100 ) .mod 10) + $30)
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.byte <(((init / 10 ) .mod 10) + $30)
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.byte <(((init ) .mod 10) + $30)
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.byte 0
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@nextline:
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.word 0
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;look for NB65 signature at location pointed at by AX
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look_for_signature:
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stax temp_ptr
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ldy #3
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@check_one_byte:
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lda (temp_ptr),y
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cmp nb65_signature,y
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bne @bad_match
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dey
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bpl@check_one_byte
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clc
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rts
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@bad_match:
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sec
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rts
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init:
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print #signon_message
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ldax #NB65_CART_SIGNATURE ;where signature should be in cartridge
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jsr look_for_signature
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bcc @found_nb65_signature
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ldax #NB65_RAM_STUB_SIGNATURE ;where signature should be in RAM
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jsr look_for_signature
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bcc :+
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jmp nb65_signature_not_found
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:
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jsr NB65_RAM_STUB_ACTIVATE ;we need to turn on NB65 cartridge
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@found_nb65_signature:
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print #initializing
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print #nb65_signature
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ldy #NB65_INITIALIZE
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jsr NB65_DISPATCH_VECTOR
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bcc :+
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print #failed
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jsr print_errorcode
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jmp bad_boot
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:
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print #ok
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print_cr
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; ########################
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; main program goes here:
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;
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rts
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bad_boot:
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print #press_a_key_to_continue
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restart:
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jsr get_key
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jmp $fce2 ;do a cold start
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print_errorcode:
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print #error_code
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call #NB65_GET_LAST_ERROR
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call #NB65_PRINT_HEX
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print_cr
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rts
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nb65_signature_not_found:
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ldy #0
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:
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lda nb65_signature_not_found_message,y
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beq restart
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jsr print_a
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iny
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jmp :-
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.rodata
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error_code:
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.asciiz "ERROR CODE: $"
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press_a_key_to_continue:
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.byte "PRESS A KEY TO CONTINUE",13,0
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failed:
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.byte "FAILED ", 0
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ok:
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.byte "OK ", 0
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initializing:
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.byte "INITIALIZING ",0
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signon_message:
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.byte "NB65 UNNAMED TOOL V0.1",13,0
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nb65_signature_not_found_message:
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.byte "NO NB65 API FOUND",13,"PRESS ANY KEY TO RESET", 0
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nb65_signature:
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.byte $4E,$42,$36,$35 ; "NB65" - API signature
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.byte ' ',0 ; so we can use this as a string
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;-- LICENSE FOR nb65_skeleton.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 netboot65.
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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) 2009
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; Jonno Downes. All Rights Reserved.
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; -- LICENSE END --
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