Add implementation of analog TV signal generator (PAL so far)

Quick and dirty Howto: make && tv/osmotv --sdr-soapy --sdr-tx-gain 60 -r 15000000 -c 21 tx-fubk --sdr-tune-args "OFFSET=-3000000"
6 years ago · 496aff5a79
parent a52c89800c
commit 496aff5a79
22 changed files with 3071 additions and 5 deletions
--- a/.gitignore
+++ b/.gitignore
@ -22,6 +22,7 @@ compile
 m4
 src/common/libcommon.a
 src/common/libmobile.a
+src/common/libimage.a
 src/anetz/anetz
 src/bnetz/bnetz
 src/cnetz/cnetz
@ -31,6 +32,7 @@ src/amps/amps
 src/tacs/tacs
 src/jtacs/jtacs
 src/r2000/radiocom2000
+src/tv/osmotv
 sim/cnetz_sim
 src/test/test_filter
 src/test/test_compandor
--- a/configure.ac
+++ b/configure.ac
@ -29,6 +29,39 @@ AC_CHECK_LIB([pthread], [main])

 PKG_CHECK_MODULES(ALSA, alsa >= 1.0)

+# disabled due to problems with api compatibilty with imagemagick
+#AC_ARG_ENABLE(graphicsmagick,
+#	[AS_HELP_STRING(
+#		[--disable-graphicsmagick],
+#		[Disable building graphicsmagick]
+#	)],
+#	[enable_graphicsmagick=$enableval], [enable_graphicsmagick="yes"])
+#if test x"$enable_graphicsmagick" = x"yes"
+#then
+#	PKG_CHECK_MODULES(GRAPHICSMAGICK, GraphicsMagick >= 1.3.16, , enable_graphicsmagick=no)
+#fi
+#if test x"$enable_graphicsmagick" = x"yes"
+#then
+#	somethingmagick=yes
+#fi
+
+AC_ARG_ENABLE(imagemagick,
+	[AS_HELP_STRING(
+		[--disable-imagemagick],
+		[Disable building imagemagick]
+	)],
+	[enable_imagemagick=$enableval], [enable_imagemagick="yes"])
+if test x"$enable_imagemagick" = x"yes"
+then
+	PKG_CHECK_MODULES(IMAGEMAGICK, ImageMagick >= 6.0.0, , enable_imagemagick=no)
+fi
+if test x"$enable_imagemagick" = x"yes"
+then
+	somethingmagick=yes
+fi
+
+AM_CONDITIONAL(ENABLE_MAGICK, test x"$somethingmagick" = x"yes")
+
 with_sdr=no
 AC_ARG_WITH([uhd], [AS_HELP_STRING([--with-uhd], [compile with UHD driver @<:@default=check@:>@]) ], [], [with_uhd="check"])
 AC_ARG_WITH([soapy], [AS_HELP_STRING([--with-soapy], [compile with SoapySDR driver @<:@default=check@:>@]) ], [], [with_soapy="check"])
@ -37,8 +70,9 @@ AS_IF([test "x$with_soapy" != xno], [PKG_CHECK_MODULES(SOAPY, SoapySDR >= 0.6.0,
 AM_CONDITIONAL(HAVE_UHD, test "x$with_uhd" == "xyes" )
 AM_CONDITIONAL(HAVE_SOAPY, test "x$with_soapy" == "xyes" )
 AM_CONDITIONAL(HAVE_SDR, test "x$with_sdr" == "xyes" )
-AS_IF([test "x$with_uhd" == "xyes"],[AC_MSG_NOTICE( Compiling with UHD SDR support )], [AC_MSG_NOTICE( UHD SDR not support )])
-AS_IF([test "x$with_soapy" == "xyes"],[AC_MSG_NOTICE( Compiling with SoapySDR support )], [AC_MSG_NOTICE( SoapySDR not support )])
+AS_IF([test "x$with_uhd" == "xyes"],[AC_MSG_NOTICE( Compiling with UHD SDR support )], [AC_MSG_NOTICE( UHD SDR not supported )])
+AS_IF([test "x$with_soapy" == "xyes"],[AC_MSG_NOTICE( Compiling with SoapySDR support )], [AC_MSG_NOTICE( SoapySDR not supported )])
+AS_IF([test "x$somethingmagick" == "xyes"],[AC_MSG_NOTICE( Compiling with ImageMagick )],[AC_MSG_NOTICE( ImageMagick not supported )])

 AC_OUTPUT(
    src/common/Makefile
@ -50,6 +84,7 @@ AC_OUTPUT(
    src/tacs/Makefile
    src/jtacs/Makefile
    src/r2000/Makefile
+    src/tv/Makefile
    src/test/Makefile
    src/Makefile
    sim/Makefile
--- a/src/Makefile.am
+++ b/src/Makefile.am
@ -1,3 +1,3 @@
 AUTOMAKE_OPTIONS = foreign
-SUBDIRS = common anetz bnetz cnetz nmt amps tacs jtacs r2000 test
+SUBDIRS = common anetz bnetz cnetz nmt amps tacs jtacs r2000 tv test

--- a/src/common/Makefile.am
+++ b/src/common/Makefile.am
@ -1,6 +1,6 @@
-AM_CPPFLAGS = -Wall -Wextra -g $(all_includes) $(UHD_CFLAGS) $(SOAPY_CFLAGS)
+AM_CPPFLAGS = -Wall -Wextra -g $(all_includes) $(GRAPHICSMAGICK_CFLAGS) $(IMAGEMAGICK_CFLAGS) $(UHD_CFLAGS) $(SOAPY_CFLAGS)

-noinst_LIBRARIES = libcommon.a libmobile.a
+noinst_LIBRARIES = libcommon.a libmobile.a libimage.a

 libcommon_a_SOURCES = \
 	sample.c \
@ -31,6 +31,9 @@ libmobile_a_SOURCES = \
 	display_status.c \
 	main_mobile.c

+libimage_a_SOURCES = \
+	img.c
+
 if HAVE_SDR
 AM_CPPFLAGS += -DHAVE_SDR

@ -55,3 +58,7 @@ libcommon_a_SOURCES += \
 	soapy.c
 endif

+if ENABLE_MAGICK
+AM_CPPFLAGS += -DWITH_MAGICK
+endif
+
--- a/src/common/img.c
+++ b/src/common/img.c
@ -0,0 +1,388 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include "img.h"
+
+int save_depth = 16;
+
+#ifdef WITH_MAGICK
+#include <magick/api.h>
+
+/* load given image to memory. return short RGB values */
+unsigned short *load_img(int *width, int *height, const char *filename, int index)
+{
+	Image *image = NULL;
+	ImageInfo *imageinfo = NULL;
+	ExceptionInfo exception;
+	unsigned short *img = NULL;
+
+	MagickCoreGenesis(NULL, MagickFalse);
+//	InitializeMagick(NULL);
+	imageinfo = CloneImageInfo(0);
+	GetExceptionInfo(&exception);
+
+	sprintf(imageinfo->filename, filename, index);
+
+	image = ReadImage(imageinfo, &exception);
+	if (!image) {
+//		printf("failed to read image '%s' via *magick\n", filename);
+		goto exit;
+	}
+
+	*width = image->columns;
+	*height = image->rows;
+
+	img = (unsigned short *)malloc((*width) * (*height) * 3 * 2);
+	if (!img) {
+		printf("%s:failed to allocate image data\n", __func__);
+		goto exit;
+	}
+
+	ExportImagePixels(image, 0, 0, *width, *height, "RGB", ShortPixel, img, NULL);
+//	DispatchImage(image, 0, 0, *width, *height, "RGB", ShortPixel, img, NULL);
+
+exit:
+	if (image)
+		DestroyImage(image);
+
+	if (imageinfo)
+		DestroyImageInfo(imageinfo);
+
+	MagickCoreTerminus();
+//	DestroyMagick();
+
+	return img;
+}
+
+/* save given image */
+int save_img(unsigned short *img, int width, int height, int alpha, const char *filename, int index)
+{
+	int rc = -1;
+	Image *image = NULL;
+	ImageInfo *imageinfo = NULL;
+	ExceptionInfo exception;
+
+	MagickCoreGenesis(NULL, MagickFalse);
+//	InitializeMagick(NULL);
+	imageinfo = CloneImageInfo(0);
+	GetExceptionInfo(&exception);
+
+	imageinfo->quality = 100;
+	if (strlen(filename) >= 4 && !strcmp(filename + strlen(filename) - 4, ".png"))
+		imageinfo->quality = 1;
+
+	image=ConstituteImage(width, height, (alpha)?"RGBA":"RGB", ShortPixel, img, &exception);
+	if (!image) {
+		printf("%s:failed to prepare to write image\n", __func__);
+		goto exit;
+	}
+
+	/* store as 16 bit, if lib and format supports it */
+	image->depth = save_depth;
+
+	sprintf(image->filename, filename, index); /* ACHTUNG: nicht imageinfo!!! */
+	if (!WriteImage(imageinfo, image)) {
+		printf("%s:failed to write image\n", __func__);
+		goto exit;
+	}
+
+	rc = 0;
+
+exit:
+	if (image)
+		DestroyImage(image);
+
+	if (imageinfo)
+		DestroyImageInfo(imageinfo);
+
+	MagickCoreTerminus();
+//	DestroyMagick();
+
+	return rc;
+}
+#else
+
+/* load given image to memory. return short RGB values */
+unsigned short *load_img(int *width, int *height, const char *filename, int index)
+{
+	FILE *fp = NULL;
+	unsigned short *img = NULL;
+	char line[256];
+	int words, i;
+
+	sprintf(line, filename, index);
+//	printf("reading image: %s\n", line);
+	fp = fopen(line, "r");
+	if (!fp) {
+//		printf("failed to read ppm image '%s'\n", filename);
+		goto exit;
+	}
+again1:
+	if (!fgets(line, sizeof(line), fp)) {
+		printf("%s:failed to read image depth\n", __func__);
+		goto exit;
+	}
+	line[sizeof(line)-1] = '\0';
+	if (line[0]) line[strlen(line)-1] = '\0';
+	if (line[0] == '#')
+		goto again1;
+	if (!!strcmp(line, "P6")) {
+		printf("%s:expecting image depth 'P6'\n", __func__);
+		goto exit;
+	}
+again2:
+	if (!fgets(line, sizeof(line), fp)) {
+		printf("%s:failed to read image size\n", __func__);
+		goto exit;
+	}
+	line[sizeof(line)-1] = '\0';
+	if (line[0]) line[strlen(line)-1] = '\0';
+	if (line[0] == '#')
+		goto again2;
+	sscanf(line, "%d %d", width, height);
+//	printf("Image size: w=%d h=%d\n", *width, *height);
+again3:
+	if (!fgets(line, sizeof(line), fp)) {
+		printf("%s:failed to read line '255' or '65535'\n", __func__);
+		goto exit;
+	}
+	line[sizeof(line)-1] = '\0';
+	if (line[0]) line[strlen(line)-1] = '\0';
+	if (line[0] == '#')
+		goto again3;
+	if (!strcmp(line, "255")) {
+		words = 1;
+	} else
+	if (!strcmp(line, "65535")) {
+		words = 2;
+	} else {
+		printf("%s:expecting line '255' or '65535'\n", __func__);
+		goto exit;
+	}
+
+	img = (unsigned short *)malloc((*width) * (*height) * 3 * 2);
+	if (!img) {
+		printf("%s:failed to allocate image data\n", __func__);
+		goto exit;
+	}
+	if (fread(img, (*width) * (*height) * 3 * words, 1, fp) != 1) {
+		printf("%s:failed to read image data\n", __func__);
+		goto exit;
+	}
+
+	/* char to short (255 -> 65535) */
+	if (words == 1) {
+		unsigned char *from = (unsigned char *)img, c;
+		for (i = (*width) * (*height) * 3 - 1; i >= 0; i--) {
+			c = from[i];
+			img[i] = (c << 8) | c;
+		}
+	} else {
+		/* correct byte order */
+		unsigned short v;
+		unsigned char *from = (unsigned char *)img;
+		for (i = 0; i < (*width) * (*height) * 3; i++) {
+			v = ((*from++) << 8);
+			v |= (*from++);
+			img[i] = v;
+		}
+	}
+
+exit:
+	if (fp)
+		fclose(fp);
+
+	return img;
+}
+
+/* save given image */
+int save_img(unsigned short *img, int width, int height, int alpha, const char *filename, int index)
+{
+	FILE *fp = NULL;
+	int rc = -1;
+	char line[256];
+	int i;
+	unsigned short v;
+	unsigned char *to;
+
+	if (alpha) {
+		printf("%s:cannot save alpha component with PPM support only\n", __func__);
+		alpha = 0;
+		goto exit;
+	}
+
+	sprintf(line, filename, index);
+//	printf("writing image: %s\n", line);
+	fp = fopen(line, "w");
+	if (!fp) {
+		printf("%s:failed to write image\n", __func__);
+		goto exit;
+	}
+	fprintf(fp, "P6\n%d %d\n65535\n", width, height);
+
+	/* correct byte order, write and restore byte order */
+	to = (unsigned char *)img;
+	for (i = 0; i < width * height * 3; i++) {
+		v = img[i];
+		if (i/100*i == i) { printf("%04x ", v); }
+		(*to++) = v >> 8;
+		(*to++) = v;
+	}
+	rc = fwrite(img, width * height * 3 * 2, 1, fp);
+	to = (unsigned char *)img;
+	for (i = 0; i < width * height * 3; i++) {
+		v = (*to++) << 8;
+		v |= (*to++);
+		img[i] = v;
+	}
+	if (rc != 1) {
+		printf("%s:failed to write image data\n", __func__);
+		goto exit;
+	}
+
+	rc = 0;
+
+exit:
+	if (fp)
+		fclose(fp);
+
+	return rc;
+}
+#endif
+
+int save_img_array(double *array, int width, int height, int alpha, const char *filename, int index)
+{
+	int rc = -1;
+	unsigned short *img = NULL;
+	int components;
+
+#ifndef WITH_MAGICK
+	if (alpha) {
+		printf("%s:warning, cannot save alpha component with PPM support only\n", __func__);
+		alpha = 0;
+	}
+#endif
+	components = (alpha) ? 4 : 3;
+
+	img = (unsigned short *)malloc(width * height * components * 2);
+	if (!img) {
+		printf("%s:failed to allocate image data\n", __func__);
+		goto exit;
+	}
+
+	array2img_short(array, width, height, img, width, height, alpha);
+
+	save_img(img, width, height, alpha, filename, index);
+
+	rc = 0;
+
+exit:
+	if (img)
+		free(img);
+
+	return rc;
+}
+
+/* convert an image to a three dimensional array of double
+ * the size is: width, height, 3
+ */
+void img2array_short(unsigned short *img, int iw, int ih, double *array, int aw, int ah)
+{
+	int x, y;
+	int channel;
+	double r, g, b;
+
+	channel = aw * ah;
+
+	for (y = 0; y < ih; y++) {
+		for (x = 0; x < iw; x++) {
+			r = img[(x+iw*y)*3] / 65535.0F;
+			g = img[(x+iw*y)*3+1] / 65535.0F;
+			b = img[(x+iw*y)*3+2] / 65535.0F;
+			array[x+aw*y] = r;
+			array[x+aw*y+channel] = g;
+			array[x+aw*y+channel+channel] = b;
+		}
+	}
+}
+
+/* convert a three dimensional array of double to an image
+ * the size is: width, height, 3
+ */
+void array2img_short(double *array, int aw, int ah, unsigned short *img, int iw, int ih, int alpha)
+{
+	int x, y, c;
+	int channel, components;
+	double r, g, b, a;
+
+	channel = aw * ah;
+	components = (alpha) ? 4 : 3;
+
+	for (y = 0; y < ih; y++) {
+		for (x = 0; x < iw; x++) {
+			r = array[x+aw*y];
+			c = (r * 65535.0F + 0.5F);
+			if (c < 0)
+				c = 0;
+			else if (c > 65535)
+				c = 65535;
+			img[(x+iw*y)*components] = c;
+			g = array[x+aw*y+channel];
+			c = (g * 65535.0F + 0.5F);
+			if (c < 0)
+				c = 0;
+			else if (c > 65535)
+				c = 65535;
+			img[(x+iw*y)*components+1] = c;
+			b = array[x+aw*y+channel+channel];
+			c = (b * 65535.0F + 0.5F);
+			if (c < 0)
+				c = 0;
+			else if (c > 65535)
+				c = 65535;
+			img[(x+iw*y)*components+2] = c;
+			if (alpha) {
+				a = array[x+aw*y+channel+channel+channel];
+				c = (a * 65535.0F + 0.5F);
+				if (c < 0)
+					c = 0;
+				else if (c > 65535)
+					c = 65535;
+				img[(x+iw*y)*components+3] = c;
+			}
+		}
+	}
+}
+
+/*
+ * scale down image in img_buffer by calculating average
+ */
+void scale_img(unsigned short *img, int width, int height, int scale)
+{
+	int w, h, i, j, x, y;
+	int r, g, b;
+
+	if (scale == 1)
+		return;
+
+	w = width / scale;
+	h = height / scale;
+
+	for (i = 0; i < h; i++) {
+		for (j = 0; j < w; j++) {
+			r = g = b = 0;
+			for (y = 0; y < scale; y++) {
+				for (x = 0; x < scale; x++) {
+					r += img[((i*scale+y) * width + j*scale+x) * 3 + 0];
+					g += img[((i*scale+y) * width + j*scale+x) * 3 + 1];
+					b += img[((i*scale+y) * width + j*scale+x) * 3 + 2];
+				}
+			}
+			img[(i * w + j)*3 + 0] = r / scale / scale;
+			img[(i * w + j)*3 + 1] = g / scale / scale;
+			img[(i * w + j)*3 + 2] = b / scale / scale;
+		}
+	}
+}
+
+
--- a/src/common/img.h
+++ b/src/common/img.h
@ -0,0 +1,7 @@
+extern int save_depth;
+unsigned short *load_img(int *width, int *height, const char *filename, int index);
+int save_img(unsigned short *img, int width, int height, int alpha, const char *filename, int index);
+int save_img_array(double *array, int width, int height, int alpha, const char *filename, int index);
+void img2array_short(unsigned short *img, int iw, int ih, double *array, int aw, int ah);
+void array2img_short(double *array, int aw, int ah, unsigned short *img, int iw, int ih, int alpha);
+void scale_img(unsigned short *img, int width, int height, int scale);
--- a/src/tv/Makefile.am
+++ b/src/tv/Makefile.am
@ -0,0 +1,40 @@
+AM_CPPFLAGS = -Wall -Wextra -g $(all_includes) -fstack-check
+
+bin_PROGRAMS = \
+	osmotv
+
+osmotv_SOURCES = \
+	bas.c \
+	fubk.c \
+	font.c \
+	vcr.c \
+	image.c \
+	tv_modulate.c \
+	channels.c \
+	main.c
+osmotv_LDADD = \
+	$(COMMON_LA) \
+	$(top_builddir)/src/common/libimage.a \
+	$(top_builddir)/src/common/libcommon.a \
+	$(ALSA_LIBS) \
+	$(UHD_LIBS) \
+	$(SOAPY_LIBS) \
+	$(GRAPHICSMAGICK_LIBS) $(IMAGEMAGICK_LIBS) \
+	-lm
+
+if HAVE_SDR
+AM_CPPFLAGS += -DHAVE_SDR
+endif
+
+if HAVE_UHD
+AM_CPPFLAGS += -DHAVE_UHD
+endif
+
+if HAVE_SOAPY
+AM_CPPFLAGS += -DHAVE_SOAPY
+endif
+
+if ENABLE_MAGICK
+AM_CPPFLAGS += -DWITH_MAGICK
+endif
+
--- a/src/tv/bas.c
+++ b/src/tv/bas.c
@ -0,0 +1,284 @@
+/* generate a BAS signal
+ *
+ * (C) 2017 by Andreas Eversberg <jolly@eversberg.eu>
+ * All Rights Reserved
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <string.h>
+#include <stdint.h>
+#include <math.h>
+#include "../common/sample.h"
+#include "../common/iir_filter.h"
+#include "bas.h"
+#include "vcr.h"
+#include "fubk.h"
+#include "image.h"
+
+#define WHITE_LEVEL	1.0
+#define BLACK_LEVEL	0.32
+#define	PORCH_LEVEL	0.3
+#define SYNC_LEVEL	0.0
+
+#define H_SYNC_START	0.0000015
+#define H_SYNC_STOP	0.0000062
+#define	H_LINE_START	0.000012
+#define H_LINE_END	0.000064
+#define H_SYNC2_START	(H_SYNC_START + H_LINE_END/2.0)
+#define H_SYNC2_STOP	(H_SYNC_STOP + H_LINE_END/2.0)
+#define V_SYNC_STOP	(H_SYNC2_START - (H_SYNC_STOP - H_SYNC_START))
+#define V_SYNC2_STOP	(H_SYNC_START - (H_SYNC_STOP - H_SYNC_START) + H_LINE_END) // wraps, so we substract H_LINE_END
+#define SYNC_RAMP	0.0000003
+#define IMAGE_RAMP	0.0000002
+#define H_CBURST_START	0.0000068
+#define H_CBURST_STOP	0.0000094
+#define COLOR_CARRIER	4433618.75
+#define COLOR_OFFSET	0.0000004
+#define BURST_AMPLITUDE	0.15
+#define COLOR_FILTER_ITER 1
+
+void bas_init(bas_t *bas, double samplerate, enum bas_type type, int fbas, double circle_radius, int color_bar, int grid_only, const char *station_id, unsigned short *img, int width, int height)
+{
+	memset(bas, 0, sizeof(*bas));
+	bas->samplerate = samplerate;
+	bas->type = type;
+	bas->fbas = fbas;
+	bas->v_polarity = 1;
+	bas->circle_radius = circle_radius;
+	bas->color_bar = color_bar;
+	bas->grid_only = grid_only;
+	bas->station_id = station_id;
+	bas->img = img;
+	bas->img_width = width;
+	bas->img_height = height;
+
+	/* filter color signal */
+	iir_lowpass_init(&bas->lp_u, 1300000.0, samplerate, COLOR_FILTER_ITER);
+	iir_lowpass_init(&bas->lp_v, 1300000.0, samplerate, COLOR_FILTER_ITER);
+	/* filter final FBAS, so we prevent from beeing in the audio carrier spectrum */
+	iir_lowpass_init(&bas->lp_y, 4500000.0, samplerate, COLOR_FILTER_ITER);
+}
+
+static inline double ramp(double x)
+{
+	return 0.5 - 0.5 * cos(x * M_PI);
+}
+
+int bas_generate(bas_t *bas, sample_t *sample)
+{
+	double step = 1.0 / bas->samplerate;
+	int total_i = 0, i, c, line, middlefield_line;
+	double x = 0, render_start, render_end;
+	int have_image;
+	sample_t color_u[(int)(bas->samplerate / 15625.0) + 10];
+	sample_t color_v[(int)(bas->samplerate / 15625.0) + 10];
+	double _sin, _cos;
+	double color_step = COLOR_CARRIER / bas->samplerate * 2 * M_PI;
+	/* the offset is specified by delaying Y signal by 0.4 uS. */
+// additianlly we compensate the delay caused by the color filter, that is 2 samples per iteration */
+	int color_offset = (int)(bas->samplerate * COLOR_OFFSET); // + 2 * COLOR_FILTER_ITER;
+
+	for (line = 0; line < 625; line++) {
+		/* reset color */
+		memset(color_u, 0, sizeof(color_u));
+		memset(color_v, 0, sizeof(color_v));
+
+		/* render image interlaced */
+		have_image = 1;
+/* switch off to have black image */
+#if 1
+		if (line >= 24-1 && line <= 310-1)
+			middlefield_line = (line - (24-1)) * 2 + 1;
+		else if (line >= 336-1 && line <= 622-1)
+			middlefield_line = (line - (336-1)) * 2;
+		else
+			have_image = 0;
+		if (have_image) {
+			switch (bas->type) {
+			case BAS_FUBK:
+				/* render FUBK test image */
+				fubk_gen_line(sample, x, bas->samplerate, color_u, color_v, bas->v_polarity, H_LINE_START, H_LINE_END, middlefield_line, bas->circle_radius, bas->color_bar, bas->grid_only, bas->station_id);
+				break;
+			case BAS_IMAGE: {
+				/* 574 lines of image are to be rendered */
+				int img_line = middlefield_line - (574 - bas->img_height) / 2;
+				if (img_line >= 0 && img_line < bas->img_height) {
+					/* render image data */
+					image_gen_line(sample, x, bas->samplerate, color_u, color_v, bas->v_polarity, H_LINE_START, H_LINE_END, bas->img + bas->img_width * img_line * 3, bas->img_width);
+				}
+			    }
+			    	break;
+			case BAS_VCR:
+				/* render VCR test image */
+				vcr_gen_line(sample, x, bas->samplerate, color_u, color_v, bas->v_polarity, H_LINE_START, H_LINE_END, middlefield_line / 2);
+				break;
+			}
+		}
+#endif
+
+		i = 0;
+
+		/* porch before sync */
+		render_start = H_SYNC_START - SYNC_RAMP / 2;
+		while (x < render_start) {
+			sample[i++] = PORCH_LEVEL;
+			x += step;
+		}
+		/* ramp to sync level */
+		render_end = render_start + SYNC_RAMP;
+		while (x < render_end) {
+			sample[i++] = ramp((x - render_start) / SYNC_RAMP) * (SYNC_LEVEL - PORCH_LEVEL) + PORCH_LEVEL;
+			x += step;
+		}
+		/* sync (long sync for vertical blank) */
+		if (line <= 3-1 || line == 314-1 || line == 315-1)
+			render_start = V_SYNC_STOP - SYNC_RAMP / 2;
+		else
+			render_start = H_SYNC_STOP - SYNC_RAMP / 2;
+		while (x < render_start) {
+			sample[i++] = SYNC_LEVEL;
+			x += step;
+		}
+		/* ramp to porch level */
+		render_end = render_start + SYNC_RAMP;
+		while (x < render_end) {
+			sample[i++] = ramp((x - render_start) / SYNC_RAMP) * (PORCH_LEVEL - SYNC_LEVEL) + SYNC_LEVEL;
+			x += step;
+		}
+		if (have_image) {
+			/* porch after sync, before color burst */
+			render_start = H_CBURST_START;
+			while (x < render_start) {
+				sample[i++] = PORCH_LEVEL;
+				x += step;
+			}
+			/* porch after sync, color burst */
+			render_start = H_CBURST_STOP;
+			while (x < render_start) {
+				/* shift color burst to the right, it is shifted back when modulating */
+				color_u[i+color_offset] = -0.5 * BURST_AMPLITUDE; /* - 180 degrees */
+				color_v[i+color_offset] = 0.5 * BURST_AMPLITUDE * (double)bas->v_polarity; /* +- 90 degrees */
+				sample[i++] = PORCH_LEVEL;
+				x += step;
+			}
+			/* porch after sync, after color burst */
+			render_start = H_LINE_START;
+			while (x < render_start) {
+				sample[i++] = PORCH_LEVEL;
+				x += step;
+			}
+			/* ramp to image */
+			render_end = render_start + IMAGE_RAMP;
+			while (x < render_end) {
+				/* scale level of image to range of BAS signal */
+				sample[i] = sample[i] * (WHITE_LEVEL - BLACK_LEVEL) + BLACK_LEVEL;
+				/* ramp from porch level to image level */
+				sample[i] = ramp((x - render_start) / IMAGE_RAMP) * (sample[i] - PORCH_LEVEL) + PORCH_LEVEL;
+				i++;
+				x += step;
+			}
+			/* image */
+			render_start = H_LINE_END - IMAGE_RAMP;
+			while (x < render_start) {
+				/* scale level of image to range of BAS signal */
+				sample[i] = sample[i] * (WHITE_LEVEL - BLACK_LEVEL) + BLACK_LEVEL;
+				i++;
+				x += step;
+			}
+			/* ramp to porch level */
+			render_end = H_LINE_END;
+			while (x < render_end) {
+				/* scale level of image to range of BAS signal */
+				sample[i] = sample[i] * (WHITE_LEVEL - BLACK_LEVEL) + BLACK_LEVEL;
+				/* ramp from image level to porch level */
+				sample[i] = ramp((x - render_start) / IMAGE_RAMP) * (PORCH_LEVEL - sample[i]) + sample[i];
+				i++;
+				x += step;
+			}
+		} else {
+			/* draw porch to second sync */
+			if (line <= 5-1 || (line >= 311-1 && line <= 317-1) || line >= 623-1) {
+				/* porch before sync */
+				render_start = H_SYNC2_START - SYNC_RAMP / 2;
+				while (x < render_start) {
+					sample[i++] = PORCH_LEVEL;
+					x += step;
+				}
+				/* ramp to sync level */
+				render_end = render_start + SYNC_RAMP;
+				while (x < render_end) {
+					sample[i++] = ramp((x - render_start) / SYNC_RAMP) * (SYNC_LEVEL - PORCH_LEVEL) + PORCH_LEVEL;
+					x += step;
+				}
+				/* sync (long sync for vertical blank) */
+				if (line <= 2-1 || line == 313-1 || line == 314-1 || line == 315-1)
+					render_start = V_SYNC2_STOP - SYNC_RAMP / 2;
+				else
+					render_start = H_SYNC2_STOP - SYNC_RAMP / 2;
+				while (x < render_start) {
+					sample[i++] = SYNC_LEVEL;
+					x += step;
+				}
+				/* ramp to porch level */
+				render_end = render_start + SYNC_RAMP;
+				while (x < render_end) {
+					sample[i++] = ramp((x - render_start) / SYNC_RAMP) * (PORCH_LEVEL - SYNC_LEVEL) + SYNC_LEVEL;
+					x += step;
+				}
+			}
+			/* porch to end of line */
+			render_end = H_LINE_END;
+			while (x < render_end) {
+				sample[i++] = PORCH_LEVEL;
+				x += step;
+			}
+		}
+
+		if (bas->fbas) {
+			/* filter color carrier */
+			iir_process(&bas->lp_u, color_u, i);
+			iir_process(&bas->lp_v, color_v, i);
+
+			/* modulate color to sample */
+			bas->color_phase = fmod(bas->color_phase + color_step * (double)color_offset, 2.0 * M_PI);
+			for (c = color_offset; c < i; c++) {
+				bas->color_phase += color_step;
+				if (bas->color_phase >= 2.0 * M_PI)
+					bas->color_phase -= 2.0 * M_PI;
+				_sin = sin(bas->color_phase);
+				_cos = cos(bas->color_phase);
+				sample[c-color_offset] += color_u[c] * _cos - color_v[c] * _sin;
+				sample[c-color_offset] += color_u[c] * _sin + color_v[c] * _cos;
+	//			puts(debug_amplitude(sample[c-color_offset]));
+			}
+
+			/* filter bas signal */
+			iir_process(&bas->lp_y, sample, i);
+		}
+
+		/* flip polarity of V signal */
+		bas->v_polarity = -bas->v_polarity;
+
+		/* increment sample buffer to next line */
+		sample += i;
+		/* return x */
+		x -= H_LINE_END;
+		/* sum total i */
+		total_i += i;
+	}
+
+	return total_i;
+}
+
--- a/src/tv/bas.h
+++ b/src/tv/bas.h
@ -0,0 +1,25 @@
+
+enum bas_type {
+	BAS_FUBK,
+	BAS_VCR,
+	BAS_IMAGE,
+};
+
+typedef struct bas {
+	double		samplerate;
+	enum bas_type	type;
+	int		fbas;			/* if color shall be added */
+	double		circle_radius;		/* radius of circle in grid units */
+	int		color_bar;		/* show only color bar on all lines */
+	int		grid_only;		/* show only the grid */
+	const char	*station_id;		/* text to display as station id */
+	double		color_phase;		/* current phase of color carrier */
+	int		v_polarity;		/* polarity of V color vector */
+	unsigned short	*img;			/* image data, if it should be used */
+	int		img_width, img_height;	/* size of image */
+	iir_filter_t	lp_y, lp_u, lp_v;	/* low pass filters */
+} bas_t;
+
+void bas_init(bas_t *bas, double samplerate, enum bas_type type, int fbas, double circle_radius, int color_bar, int grid_only, const char *station_id, unsigned short *img, int width, int height);
+int bas_generate(bas_t *bas, sample_t *sample);
+
--- a/src/tv/channels.c
+++ b/src/tv/channels.c
@ -0,0 +1,94 @@
+#include <stdio.h>
+
+static struct tv_channels {
+	int	channel;
+	double	video_mhz;
+	double	audio_mhz;
+} tv_channels[] = {
+	{ 1,	41.25,	46.75	},
+	{ 2,	48.25,	53.75	},
+	{ 3,	55.25,	60.75	},
+	{ 4,	62.25,	67.75	},
+	{ 5,	175.25,	180.75	},
+	{ 6,	182.25,	187.75	},
+	{ 7,	189.25,	194.75	},
+	{ 8,	196.25,	201.75	},
+	{ 9,	203.25,	208.75	},
+	{ 10,	210.25,	215.75	},
+	{ 11,	217.25,	222.75	},
+	{ 12,	224.25,	229.75	},
+	{ 21,	471.25,	476.75	},
+	{ 22,	479.25,	484.75	},
+	{ 23,	487.25,	492.75	},
+	{ 24,	495.25,	500.75	},
+	{ 25,	503.25,	508.75	},
+	{ 26,	511.25,	516.75	},
+	{ 27,	519.25,	524.75	},
+	{ 28,	527.25,	532.75	},
+	{ 29,	535.25,	540.75	},
+	{ 30,	543.25,	548.75	},
+	{ 31,	551.25,	556.75	},
+	{ 32,	559.25,	564.75	},
+	{ 33,	567.25,	572.75	},
+	{ 34,	575.25,	580.75	},
+	{ 35,	583.25,	588.75	},
+	{ 36,	591.25,	596.75	},
+	{ 37,	599.25,	604.75	},
+	{ 38,	607.25,	612.75	},
+	{ 39,	615.25,	620.75	},
+	{ 40,	623.25,	628.75	},
+	{ 41,	631.25,	636.75	},
+	{ 42,	639.25,	644.75	},
+	{ 43,	647.25,	652.75	},
+	{ 44,	655.25,	660.75	},
+	{ 45,	663.25,	668.75	},
+	{ 46,	671.25,	676.75	},
+	{ 47,	679.25,	684.75	},
+	{ 48,	687.25,	692.75	},
+	{ 49,	695.25,	700.75	},
+	{ 50,	703.25,	708.75	},
+	{ 51,	711.25,	716.75	},
+	{ 52,	719.25,	724.75	},
+	{ 53,	727.25,	732.75	},
+	{ 54,	735.25,	740.75	},
+	{ 55,	743.25,	748.75	},
+	{ 56,	751.25,	756.75	},
+	{ 57,	759.25,	764.75	},
+	{ 58,	767.25,	772.75	},
+	{ 59,	775.25,	780.75	},
+	{ 60,	783.25,	788.75	},
+	{ 61,	791.25,	796.75	},
+	{ 62,	799.25,	804.75	},
+	{ 63,	807.25,	812.75	},
+	{ 64,	815.25,	820.75	},
+	{ 65,	823.25,	828.75	},
+	{ 66,	831.25,	836.75	},
+	{ 67,	839.25,	844.75	},
+	{ 68,	847.25,	852.75	},
+	{ 69,	855.25,	860.75	},
+	{ 0,	0,	0,	}
+};
+
+double get_tv_video_frequency(int channel)
+{
+	int i;
+
+	for (i = 0; tv_channels[i].channel; i++) {
+		if (tv_channels[i].channel == channel)
+			return tv_channels[i].video_mhz * 1e6;
+	}
+
+	return 0.0;
+}
+
+void list_tv_channels(void)
+{
+	int i;
+
+	printf("List of TV channels in MHz:\n\n");
+	printf("Channel Video   Audio\n");
+	printf("------------------------\n");
+	for (i = 0; tv_channels[i].channel; i++) {
+		printf("%d\t%.2f\t%.2f\n", tv_channels[i].channel, tv_channels[i].video_mhz, tv_channels[i].audio_mhz);
+	}
+}
--- a/src/tv/channels.h
+++ b/src/tv/channels.h
@ -0,0 +1,4 @@
+
+double get_tv_video_frequency(int channel);
+void list_tv_channels(void);
+
--- a/src/tv/font.c
+++ b/src/tv/font.c
@ -0,0 +1,877 @@
+#include <stdint.h>
+#include "font.h"
+
+static const uint8_t font_c64_data[] = {
+/* --- new character ' ' (32) */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+/* --- new character '!' (33) */
+	0x18,	/* ...##... */
+	0x18,	/* ...##... */
+	0x18,	/* ...##... */
+	0x18,	/* ...##... */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+	0x18,	/* ...##... */
+	0x00,	/* ........ */
+/* --- new character '"' (34) */
+	0x66,	/* .##..##. */
+	0x66,	/* .##..##. */
+	0x66,	/* .##..##. */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+/* --- new character '#' (35) */
+	0x66,	/* .##..##. */
+	0x66,	/* .##..##. */
+	0xff,	/* ######## */
+	0x66,	/* .##..##. */
+	0xff,	/* ######## */
+	0x66,	/* .##..##. */
+	0x66,	/* .##..##. */
+	0x00,	/* ........ */
+/* --- new character '$' (36) */
+	0x18,	/* ...##... */
+	0x3e,	/* ..#####. */
+	0x60,	/* .##..... */
+	0x3c,	/* ..####.. */
+	0x06,	/* .....##. */
+	0x7c,	/* .#####.. */
+	0x18,	/* ...##... */
+	0x00,	/* ........ */
+/* --- new character '%' (37) */
+	0x62,	/* .##...#. */
+	0x66,	/* .##..##. */
+	0x0c,	/* ....##.. */
+	0x18,	/* ...##... */
+	0x30,	/* ..##.... */
+	0x66,	/* .##..##. */
+	0x46,	/* .#...##. */
+	0x00,	/* ........ */
+/* --- new character '&' (38) */
+	0x3c,	/* ..####.. */
+	0x66,	/* .##..##. */
+	0x3c,	/* ..####.. */
+	0x38,	/* ..###... */
+	0x67,	/* .##..### */
+	0x66,	/* .##..##. */
+	0x3f,	/* ..###### */
+	0x00,	/* ........ */
+/* --- new character ''' (39) */
+	0x06,	/* .....##. */
+	0x0c,	/* ....##.. */
+	0x18,	/* ...##... */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+/* --- new character '(' (40) */
+	0x0c,	/* ....##.. */
+	0x18,	/* ...##... */
+	0x30,	/* ..##.... */
+	0x30,	/* ..##.... */
+	0x30,	/* ..##.... */
+	0x18,	/* ...##... */
+	0x0c,	/* ....##.. */
+	0x00,	/* ........ */
+/* --- new character ')' (41) */
+	0x30,	/* ..##.... */
+	0x18,	/* ...##... */
+	0x0c,	/* ....##.. */
+	0x0c,	/* ....##.. */
+	0x0c,	/* ....##.. */
+	0x18,	/* ...##... */
+	0x30,	/* ..##.... */
+	0x00,	/* ........ */
+/* --- new character '*' (42) */
+	0x00,	/* ........ */
+	0x66,	/* .##..##. */
+	0x3c,	/* ..####.. */
+	0xff,	/* ######## */
+	0x3c,	/* ..####.. */
+	0x66,	/* .##..##. */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+/* --- new character '+' (43) */
+	0x00,	/* ........ */
+	0x18,	/* ...##... */
+	0x18,	/* ...##... */
+	0x7e,	/* .######. */
+	0x18,	/* ...##... */
+	0x18,	/* ...##... */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+/* --- new character ',' (44) */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+	0x18,	/* ...##... */
+	0x18,	/* ...##... */
+	0x30,	/* ..##.... */
+/* --- new character '-' (45) */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+	0x7e,	/* .######. */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+/* --- new character '.' (46) */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+	0x18,	/* ...##... */
+	0x18,	/* ...##... */
+	0x00,	/* ........ */
+/* --- new character '/' (47) */
+	0x00,	/* ........ */
+	0x03,	/* ......## */
+	0x06,	/* .....##. */
+	0x0c,	/* ....##.. */
+	0x18,	/* ...##... */
+	0x30,	/* ..##.... */
+	0x60,	/* .##..... */
+	0x00,	/* ........ */
+/* --- new character '0' (48) */
+	0x3c,	/* ..####.. */
+	0x66,	/* .##..##. */
+	0x6e,	/* .##.###. */
+	0x76,	/* .###.##. */
+	0x66,	/* .##..##. */
+	0x66,	/* .##..##. */
+	0x3c,	/* ..####.. */
+	0x00,	/* ........ */
+/* --- new character '1' (49) */
+	0x18,	/* ...##... */
+	0x18,	/* ...##... */
+	0x38,	/* ..###... */
+	0x18,	/* ...##... */
+	0x18,	/* ...##... */
+	0x18,	/* ...##... */
+	0x7e,	/* .######. */
+	0x00,	/* ........ */
+/* --- new character '2' (50) */
+	0x3c,	/* ..####.. */
+	0x66,	/* .##..##. */
+	0x06,	/* .....##. */
+	0x0c,	/* ....##.. */
+	0x30,	/* ..##.... */
+	0x60,	/* .##..... */
+	0x7e,	/* .######. */
+	0x00,	/* ........ */
+/* --- new character '3' (51) */
+	0x3c,	/* ..####.. */
+	0x66,	/* .##..##. */
+	0x06,	/* .....##. */
+	0x1c,	/* ...###.. */
+	0x06,	/* .....##. */
+	0x66,	/* .##..##. */
+	0x3c,	/* ..####.. */
+	0x00,	/* ........ */
+/* --- new character '4' (52) */
+	0x06,	/* .....##. */
+	0x0e,	/* ....###. */
+	0x1e,	/* ...####. */
+	0x66,	/* .##..##. */
+	0x7f,	/* .####### */
+	0x06,	/* .....##. */
+	0x06,	/* .....##. */
+	0x00,	/* ........ */
+/* --- new character '5' (53) */
+	0x7e,	/* .######. */
+	0x60,	/* .##..... */
+	0x7c,	/* .#####.. */
+	0x06,	/* .....##. */
+	0x06,	/* .....##. */
+	0x66,	/* .##..##. */
+	0x3c,	/* ..####.. */
+	0x00,	/* ........ */
+/* --- new character '6' (54) */
+	0x3c,	/* ..####.. */
+	0x66,	/* .##..##. */
+	0x60,	/* .##..... */
+	0x7c,	/* .#####.. */
+	0x66,	/* .##..##. */
+	0x66,	/* .##..##. */
+	0x3c,	/* ..####.. */
+	0x00,	/* ........ */
+/* --- new character '7' (55) */
+	0x7e,	/* .######. */
+	0x66,	/* .##..##. */
+	0x0c,	/* ....##.. */
+	0x18,	/* ...##... */
+	0x18,	/* ...##... */
+	0x18,	/* ...##... */
+	0x18,	/* ...##... */
+	0x00,	/* ........ */
+/* --- new character '8' (56) */
+	0x3c,	/* ..####.. */
+	0x66,	/* .##..##. */
+	0x66,	/* .##..##. */
+	0x3c,	/* ..####.. */
+	0x66,	/* .##..##. */
+	0x66,	/* .##..##. */
+	0x3c,	/* ..####.. */
+	0x00,	/* ........ */
+/* --- new character '9' (57) */
+	0x3c,	/* ..####.. */
+	0x66,	/* .##..##. */
+	0x66,	/* .##..##. */
+	0x3e,	/* ..#####. */
+	0x06,	/* .....##. */
+	0x66,	/* .##..##. */
+	0x3c,	/* ..####.. */
+	0x00,	/* ........ */
+/* --- new character ':' (58) */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+	0x18,	/* ...##... */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+	0x18,	/* ...##... */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+/* --- new character ';' (59) */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+	0x18,	/* ...##... */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+	0x18,	/* ...##... */
+	0x18,	/* ...##... */
+	0x30,	/* ..##.... */
+/* --- new character '<' (60) */
+	0x0e,	/* ....###. */
+	0x18,	/* ...##... */
+	0x30,	/* ..##.... */
+	0x60,	/* .##..... */
+	0x30,	/* ..##.... */
+	0x18,	/* ...##... */
+	0x0e,	/* ....###. */
+	0x00,	/* ........ */
+/* --- new character '=' (61) */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+	0x7e,	/* .######. */
+	0x00,	/* ........ */
+	0x7e,	/* .######. */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+	0x00,	/* ........ */
+/* --- new character '>' (62) */
+	0x70,	/* .###.... */
+	0x18,	/* ...##... */
+	0x0c,	/* ....##.. */
+	0x06,	/* .....##. */
+	0x0c,	/* ....##.. */
+	0x18,	/* ...##... */
+	0x70,	/* .###.... */
+	0x00,	/* ........ */
+/* --- new character '?' (63) */
+	0x3c,	/* ..####.. */
+	0x66,	/* .##..##. */
+	0x06,	/* .....##. */
+	0x0c,	/* ....##.. */
+	0x18,	/* ...##... */
+	0x00,	/* ........ */
+	0x18,	/* ...##... */
+	0x00,	/* ........ */
+/* --- new character '@' (64) */
+	0x3c,	/* ..####.. */
+	0x66,	/* .##..##. */
+	0x6e,	/* .##.###. */
+	0x6e,	/* .##.###. */
+	0x60,	/* .##..... */
+	0x62,	/* .##...#. */
+	0x3c,	/* ..####.. */
+	0x00,	/* ........ */
+/* --- new character 'A' (65) */
+	0x18,	/* ...##... */
+	0x3c,	/* ..####.. */
+	0x66,	/* .##..##. */
+	0x7e,	/* .######. */
+	0x66,	/* .##..##. */
+	0x66,	/* .##..##. */
+	0x66,	/* .##..##. */
+	0x00,	/* ........ */
+/* --- new character 'B' (66) */
+	0x7c,	/* .#####.. */
+	0x66,	/* .##..##. */
+	0x66,	/* .##..##. */
+	0x7c,	/* .#####.. */
+	0x66,	/* .##..##. */
+	0x66,	/* .##..##. */
+	0x7c,	/* .#####.. */
+	0x00,	/* ........ */
+/* --- new character 'C' (67) */
+	0x3c,	/* ..####.. */
+	0x66,	/* .##..##. */
+	0x60,	/* .##..... */
+	0x60,	/* .##..... */
+	0x60,	/* .##..... */
+	0x66,	/* .##..##. */
+	0x3c,	/* ..####.. */
+	0x00,	/* ........ */
+/* --- new character 'D' (68) */
+	0x78,	/* .####... */
+	0x6c,	/* .##.##.. */
+	0x66,	/* .##..##. */
+	0x66,	/* .##..##. */
+	0x66,	/* .##..##. */
+	0x6c,	/* .##.##.. */
+	0x78,	/* .####... */
+	0x00,	/* ........ */
+/* --- new character 'E' (69) */
+	0x7e,	/* .######. */
+	0x60,	/* .##..... */
+	0x60,	/* .##..... */
+	0x78,	/* .####... */
+	0x60,	/* .##..... */
+	0x60,	/* .##..... */
+	0x7e,	/* .######. */
+	0x00,	/* ........ */
+/* --- new character 'F' (70) */
+	0x7e,	/* .######. */
+	0x60,	/* .##..... */
+	0x60,	/* .##..... */
+	0x78,	/* .####... */
+	0x60,	/* .##..... */
+	0x60,	/* .##..... */
+	0x60,	/* .##..... */
+	0x00,	/* ........ */
+/* --- new character 'G' (71) */
+	0x3c,	/* ..####.. */
+	0x66,	/* .##..##. */
+	0x60,	/* .##..... */
+	0x6e,	/* .##.###. */
+	0x66,	/* .##..##. */
+	0x66,	/* .##..##. */
+	0x3c,	/* ..####.. */
+	0x00,	/* ........ */
+/* --- new character 'H' (72) */
+	0x66,	/* .##..##. */
+	0x66,	/* .##..##. */
+	0x66,	/* .##..##. */
+	0x7e,	/* .######. */
+	0x66,	/* .##..##. */
+	0x66,	/* .##..##. */
+	0x66,	/* .##..##. */
+	0x00,	/* ........ */
+/* --- new character 'I' (73) */
+	0x3c,	/* ..####.. */
+	0x18,	/* ...##... */
+	0x18,	/* ...##... */
+	0x18,	/* ...##... */
+	0x18,	/* ...##... */
+	0x18,	/* ...##... */
+	0x3c,	/* ..####.. */
+	0x00,	/* ........ */
+/* --- new character 'J' (74) */
+	0x1e,	/* ...####. */
+	0x0c,	/* ....##.. */
+	0x0c,	/* ....##.. */
+	0x0c,	/* ....##.. */
+	0x0c,	/* ....##.. */
+	0x6c,	/* .##.##.. */
+	0x38,	/* ..###... */
+	0x00,	/* ........ */
+/* --- new character 'K' (75) */
+	0x66,	/* .##..##. */
+	0x6c,	/* .##.##.. */
+	0x78,	/* .####... */
+	0x70,	/* .###.... */
+	0x78,	/* .####... */
+	0x6c,	/* .##.##.. */
+	0x66,	/* .##..##. */
+	0x00,	/* ........ */
+/* --- new character 'L' (76) */
+	0x60,	/* .##..... */
+	0x60,	/* .##..... */
+	0x60,	/* .##..... */
+	0x60,	/* .##..... */
+	0x60,	/* .##..... */
+	0x60,	/* .##..... */
+	0x7e,	/* .######. */
+	0x00,	/* ........ */
+/* --- new character 'M' (77) */
+	0x63,	/* .##...## */
+	0x77,	/* .###.### */
+	0x7f,	/* .####### */
+	0x6b,	/* .##.#.## */
+	0x63,	/* .##...## */
+	0x63,	/* .##...## */
+	0x63,	/* .##...## */
+	0x00,	/* ........ */
+/* --- new character 'N' (78) */
+	0x66,	/* .##..##. */
+	0x76,	/* .###.##. */
+	0x7e,	/* .######. */
+	0x7e,	/* .######. */
+	0x6e,	/* .##.###. */
+	0x66,	/* .##..##. */
+	0x66,	/* .##..##. */
+	0x00,	/* ........ */
+/* --- new character 'O' (79) */
+	0x3c,	/* ..####.. */
+	0x66,	/* .##..##. */
+	0x66,	/* .##..##. */
+	0x66,	/* .##..##. */
+	0x66,	/* .##..##. */
+	0x66,	/* .##..##. */
+	0x3c,	/* ..####.. */
+	0x00,	/* ........ */
+/* --- new character 'P' (80) */