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/*
Copyright (C) 2003 Ralf Forsberg
This file is part of the libgpsim_modules library of gpsim
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see
<http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
#ifndef MODULES_VIDEO_H_
#define MODULES_VIDEO_H_
/* IN_MODULE should be defined for modules */
#define IN_MODULE
#include "../src/stimuli.h"
#include "../src/modules.h"
#include <gtk/gtk.h>
#include <cairo.h>
#include <glib.h>
class Video;
class Processor;
/*********************************************************
*
* Create a class derived from the IOPIN class that
* will allow us to intercept when the I/O input is being
* driven. (This isn't done for PIC I/O pins because the
* logic for handling I/O pin changes resides in the ???
* class.)
*/
class IOPIN_Monitor : public IOPIN {
private:
Video *video;
public:
IOPIN_Monitor(Video *v, const char *opt_name)
: IOPIN(opt_name), video(v)
{
}
void setDrivenState(bool new_state) override;
};
#define XRES 640
#define YRES 625
class Video : public Module {
public:
explicit Video(const char *);
~Video();
// Inheritances from the Package class
virtual void create_iopin_map();
virtual void update_state();
virtual int get_num_of_pins()
{
return 2;
}
void copy_scanline_to_pixmap();
int check_for_vrt1();
int check_for_vrt2();
guint64 cycles_to_us(guint64 cycles);
guint64 us_to_cycles(guint64 cycles);
void refresh();
static Module *construct(const char *new_name);
IOPIN *sync_pin;
IOPIN *lume_pin;
guint64 sync_time; // gpsim cycle counter at last H-sync
int scanline;
unsigned char line[XRES]; // buffer for one line
unsigned char shadow[XRES][YRES]; // pixmap mirror
Processor *cpu;
GtkWidget *window;
GtkWidget *da;
cairo_surface_t *image;
int line_nr;
int last_line_nr;
private:
int last_port_value = 0;
int shortsync_counter = 0;
int last_shortsync_counter = 0;
};
#endif // MODULES_VIDEO_H_
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