\ Copyright (c) 2003 Scott Long \ Copyright (c) 2012-2015 Devin Teske \ 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: head/sys/boot/forth/frames.4th 280937 2015-04-01 01:54:28Z dteske $ marker task-frames.4th vocabulary frame-drawing only forth also frame-drawing definitions \ XXX Filled boxes are left as an exercise for the reader... ;-/ variable h_el variable v_el variable lt_el variable lb_el variable rt_el variable rb_el variable fill \ ASCII frames (used when serial console is detected) 45 constant ascii_dash 61 constant ascii_equal 124 constant ascii_pipe 43 constant ascii_plus s" arch-pc98" environment? [if] \ Single frames 149 constant sh_el 150 constant sv_el 152 constant slt_el 154 constant slb_el 153 constant srt_el 155 constant srb_el \ Double frames 149 constant dh_el 150 constant dv_el 152 constant dlt_el 154 constant dlb_el 153 constant drt_el 155 constant drb_el \ Fillings 0 constant fill_none 32 constant fill_blank 135 constant fill_dark 135 constant fill_med 135 constant fill_bright [else] \ Single frames 196 constant sh_el 179 constant sv_el 218 constant slt_el 192 constant slb_el 191 constant srt_el 217 constant srb_el \ Double frames 205 constant dh_el 186 constant dv_el 201 constant dlt_el 200 constant dlb_el 187 constant drt_el 188 constant drb_el \ Fillings 0 constant fill_none 32 constant fill_blank 176 constant fill_dark 177 constant fill_med 178 constant fill_bright [then] only forth definitions also frame-drawing : hline ( len x y -- ) \ Draw horizontal single line at-xy \ move cursor 0 do h_el @ emit loop ; : f_ascii ( -- ) ( -- ) \ set frames to ascii ascii_dash h_el ! ascii_pipe v_el ! ascii_plus lt_el ! ascii_plus lb_el ! ascii_plus rt_el ! ascii_plus rb_el ! ; : f_single ( -- ) \ set frames to single boot_serial? if f_ascii exit then sh_el h_el ! sv_el v_el ! slt_el lt_el ! slb_el lb_el ! srt_el rt_el ! srb_el rb_el ! ; : f_double ( -- ) \ set frames to double boot_serial? if f_ascii ascii_equal h_el ! exit then dh_el h_el ! dv_el v_el ! dlt_el lt_el ! dlb_el lb_el ! drt_el rt_el ! drb_el rb_el ! ; : vline ( len x y -- ) \ Draw vertical single line 2dup 4 pick 0 do at-xy v_el @ emit 1+ 2dup loop 2drop 2drop drop ; : box ( w h x y -- ) \ Draw a box 2dup 1+ 4 pick 1- -rot vline \ Draw left vert line 2dup 1+ swap 5 pick + swap 4 pick 1- -rot vline \ Draw right vert line 2dup swap 1+ swap 5 pick 1- -rot hline \ Draw top horiz line 2dup swap 1+ swap 4 pick + 5 pick 1- -rot hline \ Draw bottom horiz line 2dup at-xy lt_el @ emit \ Draw left-top corner 2dup 4 pick + at-xy lb_el @ emit \ Draw left bottom corner 2dup swap 5 pick + swap at-xy rt_el @ emit \ Draw right top corner 2 pick + swap 3 pick + swap at-xy rb_el @ emit 2drop ; f_single fill_none fill ! only forth definitions