diff options
Diffstat (limited to 'sys/boot/forth/screen.4th')
-rw-r--r-- | sys/boot/forth/screen.4th | 86 |
1 files changed, 62 insertions, 24 deletions
diff --git a/sys/boot/forth/screen.4th b/sys/boot/forth/screen.4th index 3ea79e4..e0af82b 100644 --- a/sys/boot/forth/screen.4th +++ b/sys/boot/forth/screen.4th @@ -1,36 +1,74 @@ -\ Screen manipulation related words. +\ Copyright (c) 2003 Scott Long <scottl@FreeBSD.org> +\ Copyright (c) 2015 Devin Teske <dteske@FreeBSD.org> +\ All rights reserved. +\ +\ Redistribution and use in source and binary forms, with or without +\ modification, are permitted provided that the following conditions +\ are met: +\ 1. Redistributions of source code must retain the above copyright +\ notice, this list of conditions and the following disclaimer. +\ 2. Redistributions in binary form must reproduce the above copyright +\ notice, this list of conditions and the following disclaimer in the +\ documentation and/or other materials provided with the distribution. +\ +\ THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +\ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +\ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +\ ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +\ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +\ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +\ OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +\ HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +\ LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +\ OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +\ SUCH DAMAGE. +\ \ $FreeBSD$ marker task-screen.4th -: escc ( -- ) \ emit Esc-[ - 91 27 emit emit -; +\ emit Esc-[ +: escc ( -- ) 27 emit [char] [ emit ; -: ho ( -- ) \ Home cursor - escc 72 emit \ Esc-[H -; +\ Home cursor ( Esc-[H ) +: ho ( -- ) escc [char] H emit ; -: cld ( -- ) \ Clear from current position to end of display - escc 74 emit \ Esc-[J -; +\ Clear from current position to end of display ( Esc-[J ) +: cld ( -- ) escc [char] J emit ; -: clear ( -- ) \ clear screen - ho cld -; +\ clear screen +: clear ( -- ) ho cld ; -: at-xy ( x y -- ) \ move cursor to x rows, y cols (1-based coords) - escc .# 59 emit .# 72 emit \ Esc-[%d;%dH -; +\ move cursor to x rows, y cols (1-based coords) ( Esc-[%d;%dH ) +: at-xy ( x y -- ) escc .# [char] ; emit .# [char] H emit ; -: fg ( x -- ) \ Set foreground color - escc 3 .# .# 109 emit \ Esc-[3%dm -; +\ Set foreground color ( Esc-[3%dm ) +: fg ( x -- ) escc 3 .# .# [char] m emit ; -: bg ( x -- ) \ Set background color - escc 4 .# .# 109 emit \ Esc-[4%dm -; +\ Set background color ( Esc-[4%dm ) +: bg ( x -- ) escc 4 .# .# [char] m emit ; + +\ Mode end (clear attributes) +: me ( -- ) escc [char] m emit ; + +\ Enable bold mode ( Esc-[1m ) +: b ( -- ) escc 1 .# [char] m emit ; + +\ Disable bold mode ( Esc-[22m ) +: -b ( -- ) escc 22 .# [char] m emit ; + +\ Enable inverse foreground/background mode ( Esc-[7m ) +: inv ( -- ) escc 7 .# [char] m emit ; + +\ Disable inverse foreground/background mode ( Esc-[27m ) +: -inv ( -- ) escc 27 .# [char] m emit ; -: me ( -- ) \ Mode end (clear attributes) - escc 109 emit +\ Convert all occurrences of given character (c) in string (c-addr/u) to Esc +: escc! ( c-addr/u c -- c-addr/u ) + 2 pick 2 pick + begin dup 0> while + over c@ 3 pick = if over 27 swap c! then + 1- swap 1+ swap + repeat + 2drop drop ; |