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96 lines
2.9 KiB
Forth
96 lines
2.9 KiB
Forth
\ Copyright (c) 2006-2015 Devin Teske <dteske@FreeBSD.org>
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\ All rights reserved.
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\
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\ Redistribution and use in source and binary forms, with or without
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\ modification, are permitted provided that the following conditions
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\ are met:
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\ 1. Redistributions of source code must retain the above copyright
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\ notice, this list of conditions and the following disclaimer.
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\ 2. Redistributions in binary form must reproduce the above copyright
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\ notice, this list of conditions and the following disclaimer in the
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\ documentation and/or other materials provided with the distribution.
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\
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\ THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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\ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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\ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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\ ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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\ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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\ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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\ OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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\ HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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\ LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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\ OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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\ SUCH DAMAGE.
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\
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marker task-version.4th
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vocabulary version-processing
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only forth also version-processing definitions
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variable versionX
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variable versionY
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\ Default $loader_version value if not overridden or using tribute screen
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: str_loader_version ( -- C-ADDR/U|-1 ) -1 ;
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\ Initialize text placement to defaults
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80 versionX ! \ NOTE: this is the ending column (text is right-justified)
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24 versionY !
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only forth definitions also version-processing
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: print_version ( -- )
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\ Get the text placement position (if set)
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s" loader_version_x" getenv dup -1 <> if
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?number drop versionX ! -1
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then drop
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s" loader_version_y" getenv dup -1 <> if
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?number drop versionY ! -1
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then drop
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\ Default version if none was set
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s" loader_version" getenv dup -1 = if
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drop
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\ Use above default if no logo is requested
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s" loader_logo" getenv dup -1 = if
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drop str_loader_version
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else
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\ For tributes, do nothing (defer to logo-*.4th)
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2dup s" tribute" compare-insensitive 0= if
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2drop
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s" logo" sfind if
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drop exit \ see logo-tribute.4th
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else
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drop str_loader_version
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then
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else 2dup s" tributebw" compare-insensitive 0= if
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2drop
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s" logo" sfind if
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drop exit \ see logo-tributebw.4th
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else
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drop str_loader_version
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then
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else
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2drop str_loader_version
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then then
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then
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then dup -1 = if
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drop exit \ default version (above) is disabled
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then
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\ Right justify the text
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dup versionX @ swap - versionY @ at-xy
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\ Print the version (optionally in cyan)
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loader_color? dup ( c-addr/u -- c-addr/u bool bool )
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if 6 fg then
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-rot type
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if me then
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0 25 at-xy
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;
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only forth definitions
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