mirror of
https://git.code.sf.net/p/fuse-emulator/fuse
synced 2026-01-28 14:20:54 +03:00
93 lines
2.6 KiB
C
93 lines
2.6 KiB
C
/* specplus2.c: Spectrum +2 specific routines
|
|
Copyright (c) 1999-2001 Philip Kendall
|
|
|
|
$Id$
|
|
|
|
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
|
|
Author contact information:
|
|
|
|
E-mail: pak21-fuse@srcf.ucam.org
|
|
Postal address: 15 Crescent Road, Wokingham, Berks, RG40 2DB, England
|
|
|
|
*/
|
|
|
|
#include <config.h>
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <libspectrum.h>
|
|
|
|
#include "settings.h"
|
|
#include "spec128.h"
|
|
#include "specplus2.h"
|
|
|
|
/* The +2 emulation just uses the 128K routines */
|
|
|
|
int specplus2_init( fuse_machine_info *machine )
|
|
{
|
|
int error;
|
|
|
|
machine->machine = LIBSPECTRUM_MACHINE_PLUS2;
|
|
machine->id = "plus2";
|
|
|
|
machine->reset = specplus2_reset;
|
|
|
|
error = machine_set_timings( machine ); if( error ) return error;
|
|
|
|
machine->timex = 0;
|
|
machine->ram.read_memory = spec128_readbyte;
|
|
machine->ram.read_memory_internal = spec128_readbyte_internal;
|
|
machine->ram.read_screen = spec128_read_screen_memory;
|
|
machine->ram.write_memory = spec128_writebyte;
|
|
machine->ram.write_memory_internal = spec128_writebyte_internal;
|
|
machine->ram.contend_memory = spec128_contend_memory;
|
|
machine->ram.contend_port = spec128_contend_port;
|
|
|
|
error = machine_allocate_roms( machine, 2 );
|
|
if( error ) return error;
|
|
machine->rom_length[0] = machine->rom_length[1] = 0x4000;
|
|
|
|
machine->peripherals = spec128_peripherals;
|
|
machine->unattached_port = spec128_unattached_port;
|
|
|
|
machine->ay.present = 1;
|
|
|
|
machine->shutdown = NULL;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
int
|
|
specplus2_reset( void )
|
|
{
|
|
int error;
|
|
|
|
machine_current->ram.locked=0;
|
|
machine_current->ram.current_page=0;
|
|
machine_current->ram.current_rom=0;
|
|
machine_current->ram.current_screen=5;
|
|
|
|
error = machine_load_rom( &ROM[0], settings_current.rom_plus2_0,
|
|
machine_current->rom_length[0] );
|
|
if( error ) return error;
|
|
error = machine_load_rom( &ROM[1], settings_current.rom_plus2_1,
|
|
machine_current->rom_length[1] );
|
|
if( error ) return error;
|
|
|
|
return 0;
|
|
}
|