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/* tc2048.c: Timex TC2048 specific routines
Copyright (c) 1999-2005 Philip Kendall
Copyright (c) 2002-2009 Fredrick Meunier
$Id: tc2048.c 4060 2009-07-30 13:21:38Z fredm $
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: philip-fuse@shadowmagic.org.uk
*/
#include <config.h>
#include <string.h>
#include <libspectrum.h>
#include "disk/beta.h"
#include "joystick.h"
#include "machine.h"
#include "machines.h"
#include "memory.h"
#include "periph.h"
#include "printer.h"
#include "settings.h"
#include "scld.h"
#include "spec48.h"
#include "tc2068.h"
#include "ula.h"
#include "if1.h"
static int tc2048_reset( void );
static const periph_t peripherals[] = {
{ 0x0020, 0x0000, joystick_kempston_read, NULL },
{ 0x00ff, 0x00f4, scld_hsr_read, scld_hsr_write },
/* TS2040/Alphacom printer */
{ 0x00ff, 0x00fb, printer_zxp_read, printer_zxp_write },
/* Lower 8 bits of Timex ports are fully decoded */
{ 0x00ff, 0x00fe, ula_read, ula_write },
{ 0x00ff, 0x00ff, scld_dec_read, scld_dec_write },
};
static const size_t peripherals_count =
sizeof( peripherals ) / sizeof( periph_t );
int
tc2048_port_from_ula( libspectrum_word port )
{
/* Ports F4 (HSR), FE (SCLD) and FF (DEC) supplied by ULA */
port &= 0xff;
return( port == 0xf4 || port == 0xfe || port == 0xff );
}
int tc2048_init( fuse_machine_info *machine )
{
machine->machine = LIBSPECTRUM_MACHINE_TC2048;
machine->id = "2048";
machine->reset = tc2048_reset;
machine->timex = 1;
machine->ram.port_from_ula = tc2048_port_from_ula;
machine->ram.contend_delay = spectrum_contend_delay_65432100;
machine->ram.contend_delay_no_mreq = spectrum_contend_delay_65432100;
memset( fake_bank, 0xff, MEMORY_PAGE_SIZE );
fake_mapping.page = fake_bank;
fake_mapping.writable = 0;
fake_mapping.contended = 0;
fake_mapping.offset = 0x0000;
machine->unattached_port = spectrum_unattached_port_none;
machine->shutdown = NULL;
machine->memory_map = tc2068_memory_map;
return 0;
}
static int
tc2048_reset( void )
{
size_t i;
int error;
error = machine_load_rom( 0, 0, settings_current.rom_tc2048,
settings_default.rom_tc2048, 0x4000 );
if( error ) return error;
error = periph_setup( peripherals, peripherals_count );
if( error ) return error;
periph_setup_kempston( PERIPH_PRESENT_ALWAYS );
periph_setup_interface1( PERIPH_PRESENT_OPTIONAL );
periph_setup_interface2( PERIPH_PRESENT_OPTIONAL );
periph_setup_opus( PERIPH_PRESENT_OPTIONAL );
periph_setup_plusd( PERIPH_PRESENT_OPTIONAL );
periph_setup_beta128( PERIPH_PRESENT_OPTIONAL );
periph_setup_fuller( PERIPH_PRESENT_OPTIONAL );
periph_setup_melodik( PERIPH_PRESENT_OPTIONAL );
periph_update();
periph_register_beta128();
beta_builtin = 0;
for( i = 0; i < 8; i++ ) {
timex_dock[i] = fake_mapping;
timex_dock[i].bank= MEMORY_BANK_DOCK;
timex_dock[i].page_num = i;
timex_dock[i].source= MEMORY_SOURCE_SYSTEM;
memory_map_dock[i] = &timex_dock[i];
timex_exrom[i] = fake_mapping;
timex_exrom[i].bank = MEMORY_BANK_EXROM;
timex_exrom[i].page_num = i;
timex_exrom[i].source= MEMORY_SOURCE_SYSTEM;
memory_map_exrom[i] = &timex_exrom[i];
}
return tc2068_tc2048_common_reset();
}
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