mirror of
https://git.code.sf.net/p/fuse-emulator/fuse
synced 2026-01-27 01:41:34 +03:00
125 lines
3.3 KiB
C
125 lines
3.3 KiB
C
/* kempmouse.c: Kempston mouse emulation
|
|
Copyright (c) 2004-2016 Darren Salt, Fredrick Meunier, Philip Kendall
|
|
Copyright (c) 2015 Stuart Brady
|
|
Copyright (c) 2016 Sergio Baldoví
|
|
|
|
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: linux@youmustbejoking.demon.co.uk
|
|
|
|
*/
|
|
|
|
#include <config.h>
|
|
|
|
#include <libspectrum.h>
|
|
|
|
#include "infrastructure/startup_manager.h"
|
|
#include "kempmouse.h"
|
|
#include "module.h"
|
|
#include "periph.h"
|
|
#include "settings.h"
|
|
#include "ui/ui.h"
|
|
|
|
static void kempmouse_snapshot_enabled( libspectrum_snap *snap );
|
|
static void kempmouse_to_snapshot( libspectrum_snap *snap );
|
|
|
|
static module_info_t kempmouse_module_info = {
|
|
|
|
/* .reset = */ NULL,
|
|
/* .romcs = */ NULL,
|
|
/* .snapshot_enabled = */ kempmouse_snapshot_enabled,
|
|
/* .snapshot_from = */ NULL,
|
|
/* .snapshot_to = */ kempmouse_to_snapshot,
|
|
|
|
};
|
|
|
|
static struct {
|
|
struct { libspectrum_byte x, y; } pos;
|
|
libspectrum_byte buttons;
|
|
} kempmouse = { {0, 0}, 255 };
|
|
|
|
#define READ(name,item) \
|
|
static libspectrum_byte \
|
|
read_##name( libspectrum_word port GCC_UNUSED, libspectrum_byte *attached ) \
|
|
{ \
|
|
*attached = 0xff; /* TODO: check this */ \
|
|
return kempmouse.item; \
|
|
}
|
|
|
|
READ( buttons, buttons );
|
|
READ( x_pos, pos.x );
|
|
READ( y_pos, pos.y );
|
|
|
|
static const periph_port_t kempmouse_ports[] = {
|
|
/* _we_ require b0 set */
|
|
{ 0x0121, 0x0001, read_buttons, NULL },
|
|
{ 0x0521, 0x0101, read_x_pos, NULL },
|
|
{ 0x0521, 0x0501, read_y_pos, NULL },
|
|
};
|
|
|
|
static const periph_t kempmouse_periph = {
|
|
/* .option = */ &settings_current.kempston_mouse,
|
|
/* .ports = */ kempmouse_ports,
|
|
/* .hard_reset = */ 1,
|
|
/* .activate = */ NULL,
|
|
};
|
|
|
|
static int
|
|
kempmouse_init( void *context )
|
|
{
|
|
module_register( &kempmouse_module_info );
|
|
periph_register( PERIPH_TYPE_KEMPSTON_MOUSE, &kempmouse_periph );
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
kempmouse_register_startup( void )
|
|
{
|
|
startup_manager_module dependencies[] = { STARTUP_MANAGER_MODULE_SETUID };
|
|
startup_manager_register( STARTUP_MANAGER_MODULE_KEMPMOUSE, dependencies,
|
|
ARRAY_SIZE( dependencies ), kempmouse_init, NULL,
|
|
NULL );
|
|
}
|
|
|
|
void
|
|
kempmouse_update( int dx, int dy, int btn, int down )
|
|
{
|
|
kempmouse.pos.x += dx;
|
|
kempmouse.pos.y -= dy;
|
|
if( btn != -1 ) {
|
|
if( down )
|
|
kempmouse.buttons &= ~(1 << btn);
|
|
else
|
|
kempmouse.buttons |= 1 << btn;
|
|
}
|
|
}
|
|
|
|
static void
|
|
kempmouse_snapshot_enabled( libspectrum_snap *snap )
|
|
{
|
|
if( libspectrum_snap_kempston_mouse_active( snap ) )
|
|
settings_current.kempston_mouse = 1;
|
|
}
|
|
|
|
static void
|
|
kempmouse_to_snapshot( libspectrum_snap *snap )
|
|
{
|
|
libspectrum_snap_set_kempston_mouse_active( snap,
|
|
settings_current.kempston_mouse );
|
|
}
|