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e54bb71bcc
- Tab chars were partially used with the unusual width of two blanks. I removed them altogether. - Line endings were inconsistent even iniside individual files. I normalized them. - I introduced a consistent coding style regarding comment indenting and blank line usage. - I removed trailing spaces. - I removed newlines following unnamed labels. - ...
96 lines
1.9 KiB
ArmAsm
96 lines
1.9 KiB
ArmAsm
.export _libnet_init
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.export _libnet_get_config
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.export _libnet_MAC
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.import cfg_init
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.import cfg_ip
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.import copymem
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.import ip65_init
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.import dhcp_init
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.import ip65_error
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.import cfg_mac_default
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.import cfg_mac
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.import cfg_size
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_libnet_MAC = cfg_mac_default
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; load A/X macro
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.macro ldax arg
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.if (.match (.left (1, arg), #)) ; immediate mode
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lda #<(.right (.tcount (arg)-1, arg))
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ldx #>(.right (.tcount (arg)-1, arg))
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.else ; assume absolute or zero page
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lda arg
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ldx 1+(arg)
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.endif
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.endmacro
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; store A/X macro
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.macro stax arg
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sta arg
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stx 1+(arg)
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.endmacro
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NO_ERROR = $00
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.importzp copy_src
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.importzp copy_dest
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.code
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_libnet_init:
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sta copy_src
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stx copy_src+1
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beq @dhcp_request
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ldax #cfg_ip
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stax copy_dest
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ldax #$10 ; 4 items of config data
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jsr copymem
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jsr ip65_init
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@check_error:
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bcc @ok
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lda ip65_error
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rts
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@ok:
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lda #NO_ERROR
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rts
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@dhcp_request:
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jsr ip65_init
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jsr dhcp_init
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jmp @check_error
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_libnet_get_config:
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stax copy_dest
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ldax #cfg_ip
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stax copy_src
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ldax #$10 ; 4 items of config data
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jmp copymem
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.bss
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tmp_ax: .res 2
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; -- LICENSE FOR libnet.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 libnet.
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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) 2012
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; Jonno DOwnes. All Rights Reserved.
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; -- LICENSE END --
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