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// license:BSD-3-Clause
// copyright-holders: Miodrag Milanovic, Robbbert
/***************************************************************************
Systec Z80
More data :
http://www.hd64180-cpm.de/html/systecz80.html
30/08/2010 Skeleton driver
Systec Platine 1
SYSTEC 155.1L
EPROM 2764 CP/M LOADER 155 / 9600 Baud
Z8400APS CPU
Z8420APS PIO
Z8430APS CTC
Z8470APS DART
Systec Platine 2
SYSTEC 100.3B
MB8877A FDC Controller
FDC9229BT SMC 8608
Z8410APS DMA
Z8420APS PIO
MB8877A Compatible FD1793
2011-12-22 connected to a terminal [Robbbert]
****************************************************************************/
#include "emu.h"
#include "cpu/z80/z80.h"
#include "machine/z80sio.h"
#include "machine/clock.h"
#include "bus/rs232/rs232.h"
class systec_state : public driver_device
{
public:
systec_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
{ }
void systec(machine_config &config);
private:
void systec_io(address_map &map);
void systec_mem(address_map &map);
virtual void machine_reset() override;
required_device<cpu_device> m_maincpu;
};
void systec_state::systec_mem(address_map &map)
{
map.unmap_value_high();
map(0x0000, 0xffff).ram().region("maincpu", 0);
}
void systec_state::systec_io(address_map &map)
{
map.global_mask(0xff);
map(0x68, 0x6b); // fdc?
map(0x6c, 0x6c); // motor control?
map(0xc4, 0xc7).rw("sio", FUNC(z80sio_device::cd_ba_r), FUNC(z80sio_device::cd_ba_w));
}
/* Input ports */
static INPUT_PORTS_START( systec )
INPUT_PORTS_END
void systec_state::machine_reset()
{
uint8_t *m_p_maincpu = memregion("maincpu")->base();
uint8_t *m_p_roms = memregion("roms")->base();
memcpy(m_p_maincpu, m_p_roms, 0x2000);
}
void systec_state::systec(machine_config &config)
{
/* basic machine hardware */
Z80(config, m_maincpu, XTAL(16'000'000) / 4);
m_maincpu->set_addrmap(AS_PROGRAM, &systec_state::systec_mem);
m_maincpu->set_addrmap(AS_IO, &systec_state::systec_io);
clock_device &uart_clock(CLOCK(config, "uart_clock", 153600));
uart_clock.signal_handler().set("sio", FUNC(z80sio_device::txca_w));
uart_clock.signal_handler().append("sio", FUNC(z80sio_device::rxca_w));
/* Devices */
z80sio_device& sio(Z80SIO(config, "sio", XTAL(4'000'000)));
//sio2.out_int_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0); // no evidence of a daisy chain because IM2 is not set
sio.out_txda_callback().set("rs232", FUNC(rs232_port_device::write_txd));
sio.out_dtra_callback().set("rs232", FUNC(rs232_port_device::write_dtr));
sio.out_rtsa_callback().set("rs232", FUNC(rs232_port_device::write_rts));
rs232_port_device &rs232(RS232_PORT(config, "rs232", default_rs232_devices, "terminal"));
rs232.rxd_handler().set("sio", FUNC(z80sio_device::rxa_w));
rs232.cts_handler().set("sio", FUNC(z80sio_device::ctsa_w));
}
/* ROM definition */
ROM_START( systec )
ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
ROM_REGION( 0x10000, "roms", 0 )
ROM_LOAD( "systec.bin", 0x0000, 0x2000, CRC(967108ab) SHA1(a414db032ca7db0f9fdbe22aa68a099a93efb593))
ROM_END
/* Driver */
// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
COMP(19??, systec, 0, 0, systec, systec, systec_state, empty_init, "Systec", "Systec Z80", MACHINE_NOT_WORKING | MACHINE_NO_SOUND)
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