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56758831fe
Replace mini cons25 emulator with teken, this does enable us proper console terminal for loader and will make it possible to implement different back end callbacks to draw to screen. At this time we still only "draw" in text mode.
143 lines
3.6 KiB
Forth
143 lines
3.6 KiB
Forth
\ Copyright (c) 2003 Scott Long <scottl@FreeBSD.org>
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\ Copyright (c) 2012-2015 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-frames.4th
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vocabulary frame-drawing
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only forth also frame-drawing definitions
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\ XXX Filled boxes are left as an exercise for the reader... ;-/
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variable h_el
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variable v_el
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variable lt_el
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variable lb_el
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variable rt_el
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variable rb_el
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variable fill
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\ ASCII frames (used when serial console is detected)
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45 constant ascii_dash
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61 constant ascii_equal
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124 constant ascii_pipe
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43 constant ascii_plus
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\ Single frames
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0x2500 constant sh_el
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0x2502 constant sv_el
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0x250c constant slt_el
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0x2514 constant slb_el
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0x2510 constant srt_el
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0x2518 constant srb_el
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\ Double frames
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0x2550 constant dh_el
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0x2551 constant dv_el
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0x2554 constant dlt_el
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0x255a constant dlb_el
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0x2557 constant drt_el
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0x255d constant drb_el
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\ Fillings
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0 constant fill_none
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32 constant fill_blank
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0x2591 constant fill_dark
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0x2592 constant fill_med
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0x2593 constant fill_bright
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only forth definitions also frame-drawing
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: hline ( len x y -- ) \ Draw horizontal single line
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at-xy \ move cursor
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0 do
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h_el @ xemit
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loop
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;
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: f_ascii ( -- ) ( -- ) \ set frames to ascii
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ascii_dash h_el !
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ascii_pipe v_el !
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ascii_plus lt_el !
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ascii_plus lb_el !
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ascii_plus rt_el !
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ascii_plus rb_el !
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;
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: f_single ( -- ) \ set frames to single
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boot_serial? if f_ascii exit then
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sh_el h_el !
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sv_el v_el !
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slt_el lt_el !
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slb_el lb_el !
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srt_el rt_el !
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srb_el rb_el !
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;
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: f_double ( -- ) \ set frames to double
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boot_serial? if
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f_ascii
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ascii_equal h_el !
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exit
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then
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dh_el h_el !
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dv_el v_el !
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dlt_el lt_el !
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dlb_el lb_el !
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drt_el rt_el !
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drb_el rb_el !
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;
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: vline ( len x y -- ) \ Draw vertical single line
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2dup 4 pick
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0 do
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at-xy
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v_el @ xemit
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1+
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2dup
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loop
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2drop 2drop drop
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;
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: box ( w h x y -- ) \ Draw a box
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2dup 1+ 4 pick 1- -rot
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vline \ Draw left vert line
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2dup 1+ swap 5 pick + swap 4 pick 1- -rot
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vline \ Draw right vert line
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2dup swap 1+ swap 5 pick 1- -rot
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hline \ Draw top horiz line
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2dup swap 1+ swap 4 pick + 5 pick 1- -rot
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hline \ Draw bottom horiz line
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2dup at-xy lt_el @ xemit \ Draw left-top corner
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2dup 4 pick + at-xy lb_el @ xemit \ Draw left bottom corner
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2dup swap 5 pick + swap at-xy rt_el @ xemit \ Draw right top corner
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2 pick + swap 3 pick + swap at-xy rb_el @ xemit
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2drop
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;
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f_single
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fill_none fill !
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only forth definitions
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