From 8be4c52211a732b5cbe73997bbdd81ddb2353a12 Mon Sep 17 00:00:00 2001 From: Dimitri Sokolyuk Date: Mon, 27 Apr 2009 23:30:28 +0000 Subject: utah teapot tek plotter --- tek4014-1.c | 119 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 119 insertions(+) create mode 100644 tek4014-1.c (limited to 'tek4014-1.c') diff --git a/tek4014-1.c b/tek4014-1.c new file mode 100644 index 0000000..7e1a6cb --- /dev/null +++ b/tek4014-1.c @@ -0,0 +1,119 @@ +/*- + * Copyright (c) 2008 Poul-Henning Kamp + * 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. + * + * $Id$ + */ + +#include "aduc.h" + +#include "loran0.h" + +/********************************************************************** + * TEK4014 plotting functions + */ + +#define SC(x) ser_char(x) +#define SS(x) ser_str(x) + +void +tek4014_start(void) +{ + SC(0x9d); SS("15;green"); SC(0x9c); /* TEK fg col */ + SC(0x9d); SS("16;black"); SC(0x9c); /* TEK bg col */ + SC(0x9b); SS("?38h"); /* TEK mode */ + SC(0x0d); + SC(27); SC(12); /* TEK PAGE */ + + /* Draw an outline */ + tek4014_pen(); + tek4014_coord( 0, 0); + tek4014_coord(4095 - 0, 0); + tek4014_coord(4095 - 0, 3071 - 0); + tek4014_coord( 0, 3071 - 0); + tek4014_coord( 0, 0); +} + +void +tek4014_end(void) +{ + SC(31); /* Text mode */ + SC(27); SC(3); /* VT PAGE */ +} + +void +tek4014_coord(unsigned x, unsigned y) +{ + unsigned char lox, loy, hix, hiy, eb; + static unsigned char lloy = -1, lhix = -1, lhiy = -1, leb = -1; + + if (y > 3071) + y = 3071; + if (x > 4095) + x = 4095; + hiy = (y >> 7) & 0x1f; + loy = (y >> 2) & 0x1f; + hix = (x >> 7) & 0x1f; + lox = (x >> 2) & 0x1f; + eb = (x & 3) | ((y & 3) << 2); + + if (hiy != lhiy) + SC(hiy | 0x20); + if (eb != leb) + SC( eb | 0x60); + if (eb != leb || loy != lloy || hix != lhix) + SC(loy | 0x60); + if (hix != lhix) + SC(hix | 0x20); + SC(lox | 0x40); + lhiy = hiy; + lhix = hix; + lloy = loy; + leb = eb; +} + +void +tek4014_pen(void) +{ + SC(29); +} + +void +tek4014_text(void) +{ + SC(31); +} + +void +tek4014_curve(unsigned x, unsigned y, int *p, unsigned len, int scalex, int scaley) +{ + int i; + + tek4014_pen(); + tek4014_coord(0, y); + tek4014_coord(50, y); + tek4014_pen(); + for (i = 0; i < len; i++) + tek4014_coord(i * scalex + x, y + p[i] / scaley); +} -- cgit v1.2.3