You've already forked fuse-utils
mirror of
https://git.code.sf.net/p/fuse-emulator/fuse-utils
synced 2025-07-31 06:04:29 +03:00
76 lines
2.1 KiB
C++
76 lines
2.1 KiB
C++
/* getpulse2.h: ROM loader state looking for the second part of a data
|
|
pulse pair
|
|
Copyright (c) 2008 Fredrick Meunier
|
|
|
|
$Id$
|
|
|
|
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;
|
|
}
|