xref: /freebsd/stand/forth/brand.4th (revision 410556f1f10fd35b350102725fd8504c3cb0afc8)
1\ Copyright (c) 2006-2015 Devin Teske <dteske@FreeBSD.org>
2\ All rights reserved.
3\
4\ Redistribution and use in source and binary forms, with or without
5\ modification, are permitted provided that the following conditions
6\ are met:
7\ 1. Redistributions of source code must retain the above copyright
8\    notice, this list of conditions and the following disclaimer.
9\ 2. Redistributions in binary form must reproduce the above copyright
10\    notice, this list of conditions and the following disclaimer in the
11\    documentation and/or other materials provided with the distribution.
12\
13\ THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14\ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15\ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16\ ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17\ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18\ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19\ OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20\ HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21\ LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22\ OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23\ SUCH DAMAGE.
24\
25\ $FreeBSD$
26
27marker task-brand.4th
28
29variable brandX
30variable brandY
31
32\ Initialize brand placement to defaults
332 brandX !
341 brandY !
35
36\ This function draws any number of company brands at (loader_brand_x,
37\ loader_brand_y) if defined, or (2,1) (top-left). To choose your brand, set
38\ the variable `loader_brand' to the respective brand name.
39\
40\ NOTE: Each is defined as a brand function in /boot/brand-${loader_brand}.4th
41\ NOTE: If `/boot/brand-${loader_brand}.4th' does not exist or does not define
42\       a `brand' function, no brand is drawn.
43\
44: draw-brand ( -- ) \ at (loader_brand_x,loader_brand_y), else (2,1)
45
46	s" loader_brand_x" getenv dup -1 <> if
47		?number 1 = if brandX ! then
48	else drop then
49 	s" loader_brand_y" getenv dup -1 <> if
50 		?number 1 = if brandY ! then
51 	else drop then
52
53	\ If `brand' is defined, execute it
54	s" brand" sfind ( -- xt|0 bool ) if
55		brandX @ brandY @ rot execute
56	else
57		\ Not defined; try-include desired brand file
58		drop ( xt = 0 ) \ cruft
59		s" loader_brand" getenv dup -1 = over 0= or if
60			dup 0= if 2drop else drop then \ getenv result unused
61			s" try-include /boot/brand-fbsd.4th"
62		else
63			2drop ( c-addr/u -- ) \ getenv result unused
64			s" try-include /boot/brand-${loader_brand}.4th"
65		then
66		evaluate
67		1 spaces
68
69		\ Execute `brand' if defined now
70		s" brand" sfind if
71			brandX @ brandY @ rot execute
72		else drop then
73	then
74;
75
76: draw-brand
77	['] draw-brand console-iterate
78;
79