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|
// license:BSD-3-Clause
// copyright-holders:Lee Ward, Dirk Best, Curt Coder
/*************************************************************************
Memotech MTX 500, MTX 512 and RS 128
**************************************************************************/
/*
TODO:
- FDX floppy
- HDX hard disk
- HRX high resolution graphics
- "Silicon" disks
- Multi Effect Video Wall
*/
#include "emu.h"
#include "includes/mtx.h"
#include "bus/centronics/ctronics.h"
#include "imagedev/cassette.h"
#include "imagedev/snapquik.h"
#include "video/tms9928a.h"
#include "softlist_dev.h"
#include "speaker.h"
/***************************************************************************
MEMORY MAPS
***************************************************************************/
/*-------------------------------------------------
ADDRESS_MAP( mtx_mem )
-------------------------------------------------*/
void mtx_state::mtx_mem(address_map &map)
{
}
/*-------------------------------------------------
ADDRESS_MAP( mtx_io )
-------------------------------------------------*/
void mtx_state::mtx_io(address_map &map)
{
map.unmap_value_high(); // TODO: floating bus
map.global_mask(0xff);
map(0x00, 0x00).rw(FUNC(mtx_state::mtx_strobe_r), FUNC(mtx_state::mtx_bankswitch_w));
map(0x01, 0x01).rw("tms9929a", FUNC(tms9929a_device::vram_read), FUNC(tms9929a_device::vram_write));
map(0x02, 0x02).rw("tms9929a", FUNC(tms9929a_device::register_read), FUNC(tms9929a_device::register_write));
map(0x03, 0x03).rw(FUNC(mtx_state::mtx_sound_strobe_r), FUNC(mtx_state::mtx_cst_w));
map(0x04, 0x04).r(FUNC(mtx_state::mtx_prt_r)).w("cent_data_out", FUNC(output_latch_device::write));
map(0x05, 0x05).rw(FUNC(mtx_state::mtx_key_lo_r), FUNC(mtx_state::mtx_sense_w));
map(0x06, 0x06).rw(FUNC(mtx_state::mtx_key_hi_r), FUNC(mtx_state::mtx_sound_latch_w));
// map(0x07, 0x07) PIO
map(0x08, 0x0b).rw(m_z80ctc, FUNC(z80ctc_device::read), FUNC(z80ctc_device::write));
map(0x1f, 0x1f).w(FUNC(mtx_state::mtx_cst_motor_w));
map(0x30, 0x31).w(FUNC(mtx_state::hrx_address_w));
map(0x32, 0x32).rw(FUNC(mtx_state::hrx_data_r), FUNC(mtx_state::hrx_data_w));
map(0x33, 0x33).rw(FUNC(mtx_state::hrx_attr_r), FUNC(mtx_state::hrx_attr_w));
// map(0x38, 0x38).w(MC6845_TAG, FUNC(mc6845_device::address_w));
// map(0x39, 0x39).rw(MC6845_TAG, FUNC(mc6845_device::register_r), FUNC(mc6845_device::register_w));
/* map(0x40, 0x43).rw(FD1791_TAG, FUNC(fd1791_device::read), FUNC(fd1791_device::write));
map(0x44, 0x44).rw(FUNC(mtx_state::fdx_status_r), FUNC(mtx_state::fdx_control_w));
map(0x45, 0x45).w(FUNC(mtx_state::fdx_drv_sel_w));
map(0x46, 0x46).w(FUNC(mtx_state::fdx_dma_lo_w));
map(0x47, 0x47).w(FUNC(mtx_state::fdx_dma_hi_w);*/
}
/*-------------------------------------------------
ADDRESS_MAP( rs128_io )
-------------------------------------------------*/
void mtx_state::rs128_io(address_map &map)
{
mtx_io(map);
map(0x0c, 0x0f).rw(m_z80dart, FUNC(z80dart_device::cd_ba_r), FUNC(z80dart_device::cd_ba_w));
}
/***************************************************************************
INPUT PORTS
***************************************************************************/
/*-------------------------------------------------
INPUT_PORTS( mtx512 )
-------------------------------------------------*/
static INPUT_PORTS_START( mtx512 )
PORT_START("ROW0")
PORT_BIT( 0x001, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!')
PORT_BIT( 0x002, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#')
PORT_BIT( 0x004, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%')
PORT_BIT( 0x008, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'')
PORT_BIT( 0x010, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')')
PORT_BIT( 0x020, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('=')
PORT_BIT( 0x040, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_TILDE) PORT_CHAR('\\') PORT_CHAR('|')
PORT_BIT( 0x080, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 7 PAGE") PORT_CODE(KEYCODE_7_PAD) PORT_CHAR(UCHAR_MAMEKEY(PGDN)) PORT_CHAR(UCHAR_MAMEKEY(7_PAD))
PORT_BIT( 0x100, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 9 BRK") PORT_CODE(KEYCODE_9_PAD) PORT_CHAR(UCHAR_MAMEKEY(CANCEL)) PORT_CHAR(UCHAR_MAMEKEY(9_PAD))
PORT_BIT( 0x200, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1))
PORT_START("ROW1")
PORT_BIT( 0x001, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC))
PORT_BIT( 0x002, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('"')
PORT_BIT( 0x004, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$')
PORT_BIT( 0x008, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&')
PORT_BIT( 0x010, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(')
PORT_BIT( 0x020, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0) PORT_CHAR('0')
PORT_BIT( 0x040, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('^') PORT_CHAR('~')
PORT_BIT( 0x080, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 8 EOL") PORT_CODE(KEYCODE_8_PAD) PORT_CHAR(UCHAR_MAMEKEY(END)) PORT_CHAR(UCHAR_MAMEKEY(8_PAD))
PORT_BIT( 0x100, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8)
PORT_BIT( 0x200, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F5) PORT_CHAR(UCHAR_MAMEKEY(F5))
PORT_START("ROW2")
PORT_BIT( 0x001, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_SHIFT_2)
PORT_BIT( 0x002, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W')
PORT_BIT( 0x004, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R')
PORT_BIT( 0x008, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y')
PORT_BIT( 0x010, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I')
PORT_BIT( 0x020, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P')
PORT_BIT( 0x040, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR('[') PORT_CHAR('{')
PORT_BIT( 0x080, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 5 " UTF8_UP) PORT_CODE(KEYCODE_5_PAD) PORT_CHAR(UCHAR_MAMEKEY(UP)) PORT_CHAR(UCHAR_MAMEKEY(5_PAD))
PORT_BIT( 0x100, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 4 TAB") PORT_CODE(KEYCODE_4_PAD) PORT_CHAR('\t') PORT_CHAR(UCHAR_MAMEKEY(4_PAD))
PORT_BIT( 0x200, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(F2))
PORT_START("ROW3")
PORT_BIT( 0x001, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q')
PORT_BIT( 0x002, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E')
PORT_BIT( 0x004, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T')
PORT_BIT( 0x008, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U')
PORT_BIT( 0x010, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O')
PORT_BIT( 0x020, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('@') PORT_CHAR('`')
PORT_BIT( 0x040, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Line Feed") PORT_CODE(KEYCODE_PRTSCR)
PORT_BIT( 0x080, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 1 " UTF8_LEFT) PORT_CODE(KEYCODE_1_PAD) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) PORT_CHAR(UCHAR_MAMEKEY(1_PAD))
PORT_BIT( 0x100, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 6 DEL") PORT_CODE(KEYCODE_6_PAD) PORT_CHAR(UCHAR_MAMEKEY(DEL)) PORT_CHAR(UCHAR_MAMEKEY(6_PAD))
PORT_BIT( 0x200, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F6) PORT_CHAR(UCHAR_MAMEKEY(F6))
PORT_START("ROW4")
PORT_BIT( 0x001, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Alpha Lock") PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK))
PORT_BIT( 0x002, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S')
PORT_BIT( 0x004, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F')
PORT_BIT( 0x008, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H')
PORT_BIT( 0x010, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K')
PORT_BIT( 0x020, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR('+')
PORT_BIT( 0x040, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_BACKSLASH2) PORT_CHAR(']') PORT_CHAR('}')
PORT_BIT( 0x080, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 3 " UTF8_RIGHT) PORT_CODE(KEYCODE_3_PAD) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) PORT_CHAR(UCHAR_MAMEKEY(3_PAD))
PORT_BIT( 0x100, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT( 0x200, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F7) PORT_CHAR(UCHAR_MAMEKEY(F7))
PORT_START("ROW5")
PORT_BIT( 0x001, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A')
PORT_BIT( 0x002, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D')
PORT_BIT( 0x004, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G')
PORT_BIT( 0x008, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J')
PORT_BIT( 0x010, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L')
PORT_BIT( 0x020, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(':') PORT_CHAR('*')
PORT_BIT( 0x040, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13)
PORT_BIT( 0x080, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 2 HOME") PORT_CODE(KEYCODE_2_PAD) PORT_CHAR(UCHAR_MAMEKEY(HOME)) PORT_CHAR(UCHAR_MAMEKEY(2_PAD))
PORT_BIT( 0x100, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT( 0x200, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F3) PORT_CHAR(UCHAR_MAMEKEY(F3))
PORT_START("ROW6")
PORT_BIT( 0x001, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
PORT_BIT( 0x002, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X')
PORT_BIT( 0x004, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V')
PORT_BIT( 0x008, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N')
PORT_BIT( 0x010, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<')
PORT_BIT( 0x020, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?')
PORT_BIT( 0x040, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
PORT_BIT( 0x080, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad . " UTF8_DOWN) PORT_CODE(KEYCODE_DEL_PAD) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) PORT_CHAR(UCHAR_MAMEKEY(DEL_PAD))
PORT_BIT( 0x100, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT( 0x200, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F8) PORT_CHAR(UCHAR_MAMEKEY(F8))
PORT_START("ROW7")
PORT_BIT( 0x001, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z')
PORT_BIT( 0x002, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C')
PORT_BIT( 0x004, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B')
PORT_BIT( 0x008, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M')
PORT_BIT( 0x010, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>')
PORT_BIT( 0x020, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('_')
PORT_BIT( 0x040, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 0 INS") PORT_CODE(KEYCODE_0_PAD) PORT_CHAR(UCHAR_MAMEKEY(INSERT)) PORT_CHAR(UCHAR_MAMEKEY(0_PAD))
PORT_BIT( 0x080, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad ENT CLS") PORT_CODE(KEYCODE_ENTER_PAD) PORT_CHAR(UCHAR_MAMEKEY(ENTER_PAD))
PORT_BIT( 0x100, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
PORT_BIT( 0x200, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F4) PORT_CHAR(UCHAR_MAMEKEY(F4))
PORT_START("RESET")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Reset") PORT_CODE(KEYCODE_LALT) PORT_CHAR(UCHAR_MAMEKEY(LALT)) PORT_CHANGED_MEMBER(DEVICE_SELF, mtx_state, trigger_reset, 0)
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Reset") PORT_CODE(KEYCODE_RALT) PORT_CHAR(UCHAR_MAMEKEY(RALT)) PORT_CHANGED_MEMBER(DEVICE_SELF, mtx_state, trigger_reset, 0)
PORT_START("JOY0")
PORT_BIT( 0x3ff, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("JOY1")
PORT_BIT( 0x3ff, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("JOY2")
PORT_BIT( 0x080, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(1)
PORT_BIT( 0x37f, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("JOY3")
PORT_BIT( 0x080, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(1)
PORT_BIT( 0x37f, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("JOY4")
PORT_BIT( 0x080, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(1)
PORT_BIT( 0x37f, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("JOY5")
PORT_BIT( 0x080, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1)
PORT_BIT( 0x37f, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("JOY6")
PORT_BIT( 0x080, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(1)
PORT_BIT( 0x37f, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("JOY7")
PORT_BIT( 0x001, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2)
PORT_BIT( 0x002, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2)
PORT_BIT( 0x004, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(2)
PORT_BIT( 0x008, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2)
PORT_BIT( 0x100, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
PORT_BIT( 0x2f0, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("JOYSTICKS")
PORT_CONFNAME(0x03, 0x02, "Joysticks")
PORT_CONFSETTING(0x00, "None" )
PORT_CONFSETTING(0x01, "Left" )
PORT_CONFSETTING(0x02, "Right" )
PORT_CONFSETTING(0x03, "Left + Right" )
PORT_START("SWA")
PORT_DIPNAME(0xc00, 0x000, "Country Code")
PORT_DIPSETTING(0x000, "English" )
PORT_DIPSETTING(0x400, "French" )
PORT_DIPSETTING(0x800, "German" )
PORT_DIPSETTING(0xc00, "Swedish" )
PORT_START("keyboard_rom")
PORT_CONFNAME(0x03, 0x00, "Keyboard ROM")
PORT_CONFSETTING(0x00, "None")
PORT_CONFSETTING(0x01, "Denmark")
PORT_CONFSETTING(0x02, "Finland")
INPUT_PORTS_END
INPUT_CHANGED_MEMBER(mtx_state::trigger_reset)
{
if (m_reset->read() & 0x03)
{
m_maincpu->set_input_line(INPUT_LINE_RESET, CLEAR_LINE);
}
else
{
bankswitch(0);
m_maincpu->set_input_line(INPUT_LINE_RESET, ASSERT_LINE);
}
}
/***************************************************************************
DEVICE CONFIGURATION
***************************************************************************/
/*-------------------------------------------------
Z80CTC
-------------------------------------------------*/
TIMER_DEVICE_CALLBACK_MEMBER(mtx_state::ctc_tick)
{
m_z80ctc->trg1(1);
m_z80ctc->trg1(0);
m_z80ctc->trg2(1);
m_z80ctc->trg2(0);
}
WRITE_LINE_MEMBER(mtx_state::ctc_trg1_w)
{
if (m_z80dart)
{
m_z80dart->rxca_w(state);
m_z80dart->txca_w(state);
}
}
WRITE_LINE_MEMBER(mtx_state::ctc_trg2_w)
{
if (m_z80dart)
{
m_z80dart->rxtxcb_w(state);
}
}
/*-------------------------------------------------
z80_daisy_config mtx_daisy_chain
-------------------------------------------------*/
static const z80_daisy_config mtx_daisy_chain[] =
{
{ "z80ctc" },
{ nullptr }
};
/*-------------------------------------------------
z80_daisy_config rs128_daisy_chain
-------------------------------------------------*/
static const z80_daisy_config rs128_daisy_chain[] =
{
{ "z80ctc" },
{ "z80dart" },
{ nullptr }
};
TIMER_DEVICE_CALLBACK_MEMBER(mtx_state::cassette_tick)
{
bool cass_ws = (m_cassette->input() > +0.04) ? 1 : 0;
if (cass_ws != m_cassold)
{
m_cassold = cass_ws;
m_z80ctc->trg3(1);
m_z80ctc->trg3(0); // this causes interrupt
}
}
/***************************************************************************
MACHINE DRIVERS
***************************************************************************/
/*-------------------------------------------------
machine_config( mtx512 )
-------------------------------------------------*/
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(m_z80ctc, FUNC(z80ctc_device::trg0)).invert();
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(config, "snapshot", "mtx", attotime::from_seconds(1)).set_load_callback(FUNC(mtx_state::snapshot_cb));
QUICKLOAD(config, "quickload", "run", attotime::from_seconds(1)).set_load_callback(FUNC(mtx_state::quickload_cb));
CASSETTE(config, m_cassette);
m_cassette->set_default_state(CASSETTE_PLAY | CASSETTE_MOTOR_DISABLED | CASSETTE_SPEAKER_ENABLED);
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(FUNC(mtx_state::extrom_load));
/* J10 external cartridge */
MTX_EXP_SLOT(config, m_exp_ext, mtx_ext_expansion_devices, nullptr);
m_exp_ext->set_program_space(m_maincpu, AS_PROGRAM);
m_exp_ext->set_io_space(m_maincpu, AS_IO);
m_exp_ext->int_handler().set_inputline(m_maincpu, INPUT_LINE_IRQ0);
m_exp_ext->nmi_handler().set_inputline(m_maincpu, INPUT_LINE_NMI);
m_exp_ext->busreq_handler().set_inputline(m_maincpu, Z80_INPUT_LINE_BUSRQ);
/* J0 internal expansion - rs232 board with disk drive bus */
MTX_EXP_SLOT(config, m_exp_int, mtx_int_expansion_devices, nullptr);
m_exp_int->set_program_space(m_maincpu, AS_PROGRAM);
m_exp_int->set_io_space(m_maincpu, AS_IO);
m_exp_int->int_handler().set_inputline(m_maincpu, INPUT_LINE_IRQ0);
m_exp_int->nmi_handler().set_inputline(m_maincpu, INPUT_LINE_NMI);
m_exp_int->busreq_handler().set_inputline(m_maincpu, Z80_INPUT_LINE_BUSRQ);
/* 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, "hdd_list").set_original("mtx_hdd");
SOFTWARE_LIST(config, "rom_list").set_original("mtx_rom");
}
void mtx_state::mtx500(machine_config &config)
{
mtx512(config);
/* internal ram */
m_ram->set_default_size("32K").set_extra_options("64K,96K,128K,160K,288K,416K");
}
/*-------------------------------------------------
machine_config( rs128 )
-------------------------------------------------*/
void mtx_state::rs128(machine_config &config)
{
mtx512(config);
/* basic machine hardware */
m_maincpu->set_addrmap(AS_IO, &mtx_state::rs128_io);
m_maincpu->set_daisy_config(rs128_daisy_chain);
/* devices */
Z80DART(config, m_z80dart, 4_MHz_XTAL);
m_z80dart->out_int_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0);
/* internal ram */
m_ram->set_default_size("128K").set_extra_options("192K,320K,448K,512K");
}
/***************************************************************************
ROMS
***************************************************************************/
ROM_START( mtx512 )
ROM_REGION( 0x02000, "user1", 0 )
ROM_SYSTEM_BIOS( 0, "uk", "UK" )
ROMX_LOAD( "mtx1a.9h", 0x0000, 0x2000, CRC(9ca858cc) SHA1(3804503a58f0bcdea96bb6488833782ebd03976d), ROM_BIOS(0) ) /* OS */
ROM_SYSTEM_BIOS( 1, "de", "German" )
ROMX_LOAD( "mtx2a.9h", 0x0000, 0x2000, CRC(1c7bbe98) SHA1(8c950051b830e5e0c41072d6bd893151acd3839d), ROM_BIOS(1) ) /* OS */
ROM_REGION( 0x10000, "user2", ROMREGION_ERASEFF )
ROMX_LOAD( "mtx1b.8h", 0x0000, 0x2000, CRC(87b4e59c) SHA1(c49782a82a7f068c1195cd967882ba9edd546eaf), ROM_BIOS(0) ) /* BASIC */
ROMX_LOAD( "mtx1c.10h", 0x2000, 0x2000, CRC(9d7538c3) SHA1(d1882c4ea61a68b1715bd634ded5603e18a99c5f), ROM_BIOS(0) ) /* ASSEM */
ROMX_LOAD( "mtx2b.8h", 0x0000, 0x2000, CRC(599d5b6b) SHA1(3ec1f7f476a21ca3206012ded22198c020b47f7d), ROM_BIOS(1) ) /* BASIC */
ROMX_LOAD( "mtx1c.10h", 0x2000, 0x2000, CRC(9d7538c3) SHA1(d1882c4ea61a68b1715bd634ded5603e18a99c5f), ROM_BIOS(1) ) /* ASSEM */
/* Keyboard PROMs (N82S181N) are piggy-backed on top of the OS ROM, wired to be selected as ROM 7 */
/* Country character sets documented in the Operators Manual are:
U.S.A, France, Germany, England, Denmark, Sweden, Italy, Spain */
ROM_REGION( 0x4000, "keyboard_rom", 0 )
ROM_LOAD( "danish.rom", 0x0000, 0x2000, CRC(9c1b3fae) SHA1(82bc021660d88eebcf0c4d3856558ee9acc1c348) )
ROM_LOAD( "finnish.rom", 0x2000, 0x2000, CRC(9b96cf72) SHA1(b46d1a733e0e635ccdaf4752cc370d793c3b5c55) )
/* Device GAL16V8 converted from PAL14L4 JEDEC map */
ROM_REGION( 0x117, "plds", 0 )
ROM_LOAD( "memotech-mtx512.bin", 0x0000, 0x0117, CRC(31f88133) SHA1(5bef3ce764121b3510b538824b2768f082b422bb) )
ROM_END
#define rom_mtx500 rom_mtx512
#define rom_rs128 rom_mtx512
/***************************************************************************
SYSTEM DRIVERS
***************************************************************************/
// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
COMP( 1983, mtx512, 0, 0, mtx512, mtx512, mtx_state, empty_init, "Memotech Ltd", "MTX 512", 0 )
COMP( 1983, mtx500, mtx512, 0, mtx500, mtx512, mtx_state, empty_init, "Memotech Ltd", "MTX 500", 0 )
COMP( 1984, rs128, mtx512, 0, rs128, mtx512, mtx_state, empty_init, "Memotech Ltd", "RS 128", 0 )
/*
The following roms are available should they be considered useful:
ROM_START( mtx_roms )
ROM_LOAD( "assem.rom", 0x0000, 0x2000, CRC(599d5b6b) SHA1(3ec1f7f476a21ca3206012ded22198c020b47f7d) )
ROM_LOAD( "basic.rom", 0x0000, 0x4000, CRC(d1e9ff36) SHA1(e89ae3a627716e6cee7e35054be8a2472bdd49d4) )
ROM_LOAD( "boot.rom", 0x0000, 0x2000, CRC(ed98d6dd) SHA1(4671ee49bb96262b0468f7122a49bf2588170903) )
ROM_LOAD( "mtx3-an.rom", 0x0000, 0x2000, CRC(54c9eca2) SHA1(3e628beaa360e635264c8c2c3a5b8312951a220b) )
ROM_LOAD( "nboot.rom", 0x0000, 0x2000, CRC(9caea81c) SHA1(93fca6e7ffbc7ae3283b8bda9f01c36b2bed1c54) )
ROM_END
BASIC.ROM this contains the monitor ROM plus the BASIC ROM.
It's good to view them as one, because the monitor
ROM contains a good deal of BASIC code and the machine
code just runs from the monitor ROM into the BASIC ROM.
It's also handy if you want to disassemble it (which
you don't need because it's already done).
MTX3-AN.ROM the monitor ROM, but slightly modified
While detecting memory size, the startup code destroys
RAM content. When you have a lot of RAM it is convenient
to have a ramdisk for CP/M, but it is a nuisance if the
ramdisk is trashed at each reset. The modification simply
prevents RAM trashing.
ASSEM.ROM assembler ROM
BOOT.ROM FDX floppy boot ROM
NBOOT.ROM replacement FDX boot ROM written by M. Kessler (supports
booting from different disk formats and different drives)
*/
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