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
|
/* getpulse2.h: ROM loader state looking for the second part of a data
pulse pair
Copyright (c) 2008 Fredrick Meunier
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 2 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, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
Author contact information:
E-mail: fredm@spamcop.net
*/
#include "findpilot.h"
#include "getpulse1.h"
#include "getpulse2.h"
getpulse2* getpulse2::unique_instance;
getpulse2::getpulse2()
{
first_tstates = 0;
first_pulse = 0;
}
getpulse2*
getpulse2::instance()
{
if( unique_instance == 0 ) {
unique_instance = new getpulse2();
}
return unique_instance;
}
void
getpulse2::handle_pulse( romloader* loader, double tstates,
unsigned int pulse_length )
{
if( first_pulse + pulse_length < loader->ZERO_THRESHOLD ) {
loader->add_zero_pulse( first_pulse );
loader->add_zero_pulse( pulse_length );
loader->add_bit( 0 );
loader->change_state( getpulse1::instance() );
} else if ( first_pulse + pulse_length > loader->DATA_TOTAL_MAX ) {
// End block and go back to searching for a pilot
loader->end_block( first_pulse, first_tstates );
loader->reset_pilot_count();
loader->change_state( findpilot::instance() );
} else {
loader->add_one_pulse( first_pulse );
loader->add_one_pulse( pulse_length );
loader->add_bit( 1 );
loader->change_state( getpulse1::instance() );
}
}
void
getpulse2::set_first_pulse ( double tstates, int pulse )
{
first_tstates = tstates;
first_pulse = pulse;
}
|
