109 lines
3.6 KiB
Raku
109 lines
3.6 KiB
Raku
#!/usr/bin/env perl
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# $XTermId: vt52chars.pl,v 1.1 2019/07/08 20:27:21 tom Exp $
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# -----------------------------------------------------------------------------
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# Copyright 2019 by Thomas E. Dickey
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#
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# All Rights Reserved
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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# IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY
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# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#
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# Except as contained in this notice, the name(s) of the above copyright
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# holders shall not be used in advertising or otherwise to promote the
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# sale, use or other dealings in this Software without prior written
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# authorization.
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# -----------------------------------------------------------------------------
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# show the vt52 graphic characters, annotatated in a table.
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sub clear() {
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printf "\033H"; # home
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printf "\033J"; # erase
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}
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sub move($$) {
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my $y = shift;
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my $x = shift;
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printf "\033Y%c%c", $y + 32, $x + 32;
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}
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sub start_vt52() {
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printf "\033[?2l";
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}
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sub stop_vt52() {
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printf "\033<";
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}
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sub show_char() {
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my $value = shift;
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my $string = shift;
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my $chr = $value - 0140;
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return if ( $chr < 0 ); # not supported by xterm
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$value &= 0xff;
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my $y = 2 + int( $chr % 16 );
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my $x = 6 + int( $chr / 16 ) * 40;
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&move( $y, $x );
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printf "%03o \033F%s\033G %s", $value, chr($value), $string;
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}
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sub show_table() {
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&clear;
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&move( 0, 28 );
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printf "VT52 graphic characters";
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&show_char( 0140, "reserved" );
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&show_char( 0141, "solid rectangle" );
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&show_char( 0142, "1/" );
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&show_char( 0143, "3/" );
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&show_char( 0144, "5/" );
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&show_char( 0145, "7/" );
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&show_char( 0146, "degrees" );
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&show_char( 0147, "plus or minus" );
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&show_char( 0150, "right arrow" );
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&show_char( 0151, "ellipsis" );
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&show_char( 0152, "divide by" );
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&show_char( 0153, "down arrow" );
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&show_char( 0154, "bar at scan 0" );
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&show_char( 0155, "bar at scan 1" );
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&show_char( 0156, "bar at scan 2" );
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&show_char( 0157, "bar at scan 3" );
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&show_char( 0160, "bar at scan 4" );
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&show_char( 0161, "bar at scan 5" );
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&show_char( 0162, "bar at scan 6" );
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&show_char( 0163, "bar at scan 7" );
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&show_char( 0164, "subscript 0" );
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&show_char( 0165, "subscript 1" );
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&show_char( 0166, "subscript 2" );
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&show_char( 0167, "subscript 3" );
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&show_char( 0170, "subscript 4" );
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&show_char( 0171, "subscript 5" );
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&show_char( 0172, "subscript 6" );
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&show_char( 0173, "subscript 7" );
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&show_char( 0174, "subscript 8" );
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&show_char( 0175, "subscript 9" );
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&show_char( 0176, "paragraph" );
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&move( 19, 6 );
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printf "BAR[\033F\154\155\156\157\160\161\162\163\033G]";
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&move( 23, 0 );
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}
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&start_vt52;
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&show_table;
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&stop_vt52;
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1;
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