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75 lines
2.5 KiB
Forth
75 lines
2.5 KiB
Forth
\ Copyright (c) 2003 Scott Long <scottl@FreeBSD.org>
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\ Copyright (c) 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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\ $FreeBSD$
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marker task-screen.4th
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\ emit Esc-[
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: escc ( -- ) 27 emit [char] [ emit ;
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\ Home cursor ( Esc-[H )
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: ho ( -- ) escc [char] H emit ;
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\ Clear from current position to end of display ( Esc-[J )
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: cld ( -- ) escc [char] J emit ;
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\ clear screen
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: clear ( -- ) ho cld ;
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\ move cursor to x rows, y cols (1-based coords) ( Esc-[%d;%dH )
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: at-xy ( x y -- ) escc .# [char] ; emit .# [char] H emit ;
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\ Set foreground color ( Esc-[3%dm )
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: fg ( x -- ) escc 3 .# .# [char] m emit ;
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\ Set background color ( Esc-[4%dm )
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: bg ( x -- ) escc 4 .# .# [char] m emit ;
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\ Mode end (clear attributes)
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: me ( -- ) escc [char] m emit ;
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\ Enable bold mode ( Esc-[1m )
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: b ( -- ) escc 1 .# [char] m emit ;
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\ Disable bold mode ( Esc-[22m )
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: -b ( -- ) escc 22 .# [char] m emit ;
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\ Enable inverse foreground/background mode ( Esc-[7m )
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: inv ( -- ) escc 7 .# [char] m emit ;
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\ Disable inverse foreground/background mode ( Esc-[27m )
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: -inv ( -- ) escc 27 .# [char] m emit ;
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\ Convert all occurrences of given character (c) in string (c-addr/u) to Esc
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: escc! ( c-addr/u c -- c-addr/u )
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2 pick 2 pick
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begin dup 0> while
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over c@ 3 pick = if over 27 swap c! then
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1- swap 1+ swap
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repeat
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2drop drop
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;
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