INPUT_PORTS_END
//**************************************************************************
// MACHINE DRIVERS
//**************************************************************************
void nascom_state::nascom(machine_config &config)
{
// video hardware
SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
m_screen->set_refresh_hz(50);
m_screen->set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */
m_screen->set_size(48 * 8, 16 * 16);
m_screen->set_visarea(0, 48 * 8 - 1, 0, 16 * 16 - 1);
m_screen->set_screen_update(FUNC(nascom1_state::screen_update_nascom));
m_screen->set_palette(m_palette);
GFXDECODE(config, m_gfxdecode, m_palette, gfx_nascom1);
PALETTE(config, m_palette, palette_device::MONOCHROME);
// uart
AY31015(config, m_hd6402);
m_hd6402->set_tx_clock((16_MHz_XTAL / 16) / 256);
m_hd6402->set_rx_clock((16_MHz_XTAL / 16) / 256);
m_hd6402->read_si_callback().set(FUNC(nascom_state::nascom1_hd6402_si));
m_hd6402->write_so_callback().set(FUNC(nascom_state::nascom1_hd6402_so));
// cassette is connected to the uart
CASSETTE(config, m_cassette);
m_cassette->set_interface("nascom_cass");
// pio
Z80PIO(config, "z80pio", 16_MHz_XTAL / 8);
// internal extra ram
RAM(config, m_ram).set_default_size("48K").set_extra_options("8K,16K,32K");
// devices
snapshot_image_device &snapshot(SNAPSHOT(config, "snapshot", 0));
snapshot.set_handler(snapquick_load_delegate(&SNAPSHOT_LOAD_NAME(nascom_state, nascom1), this), "nas", 0.5);
snapshot.set_interface("nascom_snap");
snapshot_image_device &snapchar(SNAPSHOT(config, "snapchar", 0));
snapchar.set_handler(snapquick_load_delegate(&SNAPSHOT_LOAD_NAME(nascom_state, charrom), this), "chr", 0.5);
snapchar.set_interface("nascom_char");
}
void spectrum_state::spectrum_common(machine_config &config)
{
/* basic machine hardware */
Z80(config, m_maincpu, X1 / 4); /* This is verified only for the ZX Spectrum. Other clones are reported to have different clocks */
m_maincpu->set_addrmap(AS_PROGRAM, &spectrum_state::spectrum_mem);
m_maincpu->set_addrmap(AS_IO, &spectrum_state::spectrum_io);
m_maincpu->set_addrmap(AS_OPCODES, &spectrum_state::spectrum_fetch);
m_maincpu->set_vblank_int("screen", FUNC(spectrum_state::spec_interrupt));
config.m_minimum_quantum = attotime::from_hz(60);
MCFG_MACHINE_RESET_OVERRIDE(spectrum_state, spectrum )
/* video hardware */
SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
m_screen->set_raw(X1 / 2, 448, 0, 352, 312, 0, 296);
m_screen->set_screen_update(FUNC(spectrum_state::screen_update_spectrum));
m_screen->screen_vblank().set(FUNC(spectrum_state::screen_vblank_spectrum));
m_screen->set_palette("palette");
PALETTE(config, "palette", FUNC(spectrum_state::spectrum_palette), 16);
GFXDECODE(config, "gfxdecode", "palette", gfx_spectrum);
MCFG_VIDEO_START_OVERRIDE(spectrum_state, spectrum)
/* sound hardware */
SPEAKER(config, "mono").front_center();
WAVE(config, "wave", "cassette").add_route(ALL_OUTPUTS, "mono", 0.25);
SPEAKER_SOUND(config, "speaker").add_route(ALL_OUTPUTS, "mono", 0.50);
/* expansion port */
SPECTRUM_EXPANSION_SLOT(config, m_exp, spectrum_expansion_devices, "kempjoy");
m_exp->irq_handler().set_inputline(m_maincpu, INPUT_LINE_IRQ0);
m_exp->nmi_handler().set_inputline(m_maincpu, INPUT_LINE_NMI);
/* devices */
snapshot_image_device &snapshot(SNAPSHOT(config, "snapshot"));
snapshot.set_handler(snapquick_load_delegate(&SNAPSHOT_LOAD_NAME(spectrum_state, spectrum), this), "ach,frz,plusd,prg,sem,sit,sna,snp,snx,sp,z80,zx");
quickload_image_device &quickload(QUICKLOAD(config, "quickload"));
quickload.set_handler(snapquick_load_delegate(&QUICKLOAD_LOAD_NAME(spectrum_state, spectrum), this), "raw,scr", attotime::from_seconds(2)); // The delay prevents the screen from being cleared by the RAM test at boot
CASSETTE(config, m_cassette);
m_cassette->set_formats(tzx_cassette_formats);
m_cassette->set_default_state(CASSETTE_STOPPED | CASSETTE_SPEAKER_ENABLED | CASSETTE_MOTOR_ENABLED);
m_cassette->set_interface("spectrum_cass");
SOFTWARE_LIST(config, "cass_list").set_original("spectrum_cass");
}
void mtx_state::mtx512(machine_config &config)
{
/* basic machine hardware */
Z80(config, m_maincpu, 4_MHz_XTAL);
m_maincpu->set_addrmap(AS_PROGRAM, &mtx_state::mtx_mem);
m_maincpu->set_addrmap(AS_IO, &mtx_state::mtx_io);
m_maincpu->set_daisy_config(mtx_daisy_chain);
/* video hardware */
tms9929a_device &vdp(TMS9929A(config, "tms9929a", 10.6875_MHz_XTAL));
vdp.set_screen("screen");
vdp.set_vram_size(0x4000);
vdp.int_callback().set(FUNC(mtx_state::mtx_tms9929a_interrupt));
SCREEN(config, "screen", SCREEN_TYPE_RASTER);
/* sound hardware */
SPEAKER(config, "mono").front_center();
SN76489A(config, m_sn, 4_MHz_XTAL).add_route(ALL_OUTPUTS, "mono", 1.00);
/* devices */
Z80CTC(config, m_z80ctc, 4_MHz_XTAL);
m_z80ctc->intr_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0);
m_z80ctc->zc_callback<1>().set(FUNC(mtx_state::ctc_trg1_w));
m_z80ctc->zc_callback<2>().set(FUNC(mtx_state::ctc_trg2_w));
TIMER(config, "z80ctc_timer").configure_periodic(FUNC(mtx_state::ctc_tick), attotime::from_hz(4_MHz_XTAL/13));
CENTRONICS(config, m_centronics, centronics_devices, "printer");
m_centronics->busy_handler().set(FUNC(mtx_state::write_centronics_busy));
m_centronics->fault_handler().set(FUNC(mtx_state::write_centronics_fault));
m_centronics->perror_handler().set(FUNC(mtx_state::write_centronics_perror));
m_centronics->select_handler().set(FUNC(mtx_state::write_centronics_select));
output_latch_device ¢_data_out(OUTPUT_LATCH(config, "cent_data_out"));
m_centronics->set_output_latch(cent_data_out);
snapshot_image_device &snapshot(SNAPSHOT(config, "snapshot"));
snapshot.set_handler(snapquick_load_delegate(&SNAPSHOT_LOAD_NAME(mtx_state, mtx), this), "mtx", attotime::from_seconds(1));
quickload_image_device &quickload(QUICKLOAD(config, "quickload"));
quickload.set_handler(snapquick_load_delegate(&QUICKLOAD_LOAD_NAME(mtx_state, mtx), this), "run", attotime::from_seconds(1));
CASSETTE(config, m_cassette);
m_cassette->set_default_state(CASSETTE_PLAY | CASSETTE_MOTOR_DISABLED | CASSETTE_SPEAKER_MUTED);
m_cassette->set_interface("mtx_cass");
TIMER(config, "cassette_timer").configure_periodic(FUNC(mtx_state::cassette_tick), attotime::from_hz(44100));
/* internal ram */
RAM(config, m_ram).set_default_size("64K").set_extra_options("96K,128K,192K,320K,448K,512K");
/* rom extension board */
GENERIC_SOCKET(config, m_extrom, generic_plain_slot, "mtx_rom", "bin,rom");
m_extrom->set_device_load(device_image_load_delegate(&mtx_state::device_image_load_extrom_load, this));
/* rs232 board with disk drive bus */
MTX_EXP_SLOT(config, m_exp, mtx_expansion_devices, nullptr);
m_exp->set_program_space(m_maincpu, AS_PROGRAM);
m_exp->set_io_space(m_maincpu, AS_IO);
m_exp->int_handler().set_inputline(m_maincpu, INPUT_LINE_IRQ0);
m_exp->nmi_handler().set_inputline(m_maincpu, INPUT_LINE_NMI);
m_exp->busreq_handler().set_inputline(m_maincpu, Z80_INPUT_LINE_BUSRQ);
/* cartridge slot */
GENERIC_CARTSLOT(config, m_rompak, generic_plain_slot, "mtx_cart", "bin,rom");
m_rompak->set_device_load(device_image_load_delegate(&mtx_state::device_image_load_rompak_load, this));
/* software lists */
SOFTWARE_LIST(config, "cass_list").set_original("mtx_cass");
SOFTWARE_LIST(config, "flop_list").set_original("mtx_flop");
SOFTWARE_LIST(config, "cart_list").set_original("mtx_cart");
SOFTWARE_LIST(config, "rom_list").set_original("mtx_rom");
}