1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
/*
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 __VIDEO_H__
#define __VIDEO_H__
/* IN_MODULE should be defined for modules */
#define IN_MODULE
#include "../src/stimuli.h"
#include "../src/ioports.h"
#include "../src/symbol.h"
#include "../src/modules.h"
#include <gtk/gtk.h>
class Video;
class Video_Interface;
/*********************************************************
*
* 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:
virtual void setDrivenState( bool new_state);
IOPIN_Monitor (Video *v, const char *opt_name)
: IOPIN(opt_name) , video(v)
{
}
};
#define XRES 640
#define YRES 625
class Video : public Module
{
public:
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;
GdkGC *white_gc, *black_gc, *grey_gc;
GdkPixmap *pixmap;
int line_nr;
int last_line_nr;
GdkColor black_color, grey_color, white_color;
Video(const char *);
~Video(void);
// Inheritances from the Package class
virtual void create_iopin_map(void);
virtual void update_state(void);
virtual int get_num_of_pins(void) {return 2;};
void copy_scanline_to_pixmap(void);
int check_for_vrt1(void);
int check_for_vrt2(void);
guint64 cycles_to_us(guint64 cycles);
guint64 us_to_cycles(guint64 cycles);
void refresh(void);
static Module *construct(const char *new_name);
private:
Video_Interface *interface;
};
#endif // __VIDEO_H__
|
