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diff --git a/src/mame/drivers/ckz80.cpp b/src/mame/drivers/ckz80.cpp
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-// license:BSD-3-Clause
-// copyright-holders:Robbbert
-/***************************************************************************
-
-CKZ-80
-
-2010-08-30 Skeleton driver
-2010-11-27 Connected to a terminal
-2014-01-08 Added devices
-
-Only known info: http://forumcpm.gaby.de/oldboard/showtopic0adb.html?threadid=280
-
-On main board there are Z80A CPU, Z80A PIO, Z80A DART and Z80A CTC
- there is 8K ROM and XTAL 16MHz
- Two undumped proms, AM27S20DC and D3631-1.
-FDC board contains Z80A DMA and NEC 765A (XTAL on it is 8MHZ)
-Mega board contains 74LS612 and memory chips (32x 41256)
-
-Status:
- It prints 2 lines of text, then waits for a floppy.
-
-ToDo:
-- Everything... no diagram or manuals, so EVERYTHING below is guesswork.
-- Need software
-
-I/O ports: These ranges are what is guessed
- 40 : rom switching
- 4c-4F : PIO
- 50-53 : DART
- 54-57 : CTC
- 80-81 : Parallel port (no programming bytes are sent, so it isn't a device)
- C0-C1 : FDC
- It is not known what address is used by:
- - the DMA
- - the Motor-on signal(s)
- as there are no unknown writes.
-
-
-****************************************************************************/
-
-#include "emu.h"
-#include "cpu/z80/z80.h"
-#include "imagedev/floppy.h"
-#include "machine/upd765.h"
-#include "machine/z80daisy.h"
-#include "machine/z80pio.h"
-#include "machine/z80sio.h"
-#include "machine/z80ctc.h"
-#include "machine/terminal.h"
-
-
-class ckz80_state : public driver_device
-{
-public:
- ckz80_state(const machine_config &mconfig, device_type type, const char *tag)
- : driver_device(mconfig, type, tag)
- , m_maincpu(*this, "maincpu")
- , m_rom(*this, "maincpu")
- , m_ram(*this, "mainram")
- , m_bank1(*this, "bank1")
- , m_terminal(*this, "terminal")
- , m_fdc(*this, "fdc")
- { }
-
- void ckz80(machine_config &config);
-
-private:
- virtual void machine_start() override;
- virtual void machine_reset() override;
- u8 port80_r();
- u8 port81_r();
- void port40_w(u8 data);
- void kbd_put(u8 data);
- DECLARE_WRITE_LINE_MEMBER(ctc_z0_w);
- DECLARE_WRITE_LINE_MEMBER(ctc_z1_w);
- DECLARE_WRITE_LINE_MEMBER(ctc_z2_w);
- void io_map(address_map &map);
- void mem_map(address_map &map);
- u8 m_term_data;
- memory_passthrough_handler *m_rom_shadow_tap;
- required_device<z80_device> m_maincpu;
- required_region_ptr<u8> m_rom;
- required_shared_ptr<u8> m_ram;
- required_memory_bank m_bank1;
- required_device<generic_terminal_device> m_terminal;
- required_device<upd765a_device> m_fdc;
-};
-
-
-void ckz80_state::port40_w(u8 data)
-{
- m_bank1->set_entry(BIT(~data, 1));
-}
-
-u8 ckz80_state::port80_r()
-{
- u8 ret = m_term_data;
- m_term_data = 0;
- return ret;
-}
-
-u8 ckz80_state::port81_r()
-{
- return (m_term_data) ? 3 : 1;
-}
-
-void ckz80_state::mem_map(address_map &map)
-{
- map(0x0000, 0xffff).ram().share("mainram");
- map(0xe000, 0xffff).bankr("bank1");
-}
-
-void ckz80_state::io_map(address_map &map)
-{
- map.global_mask(0xff);
- map(0x40, 0x40).w(FUNC(ckz80_state::port40_w));
- map(0x4c, 0x4f).rw("pio", FUNC(z80pio_device::read), FUNC(z80pio_device::write));
- map(0x50, 0x53).rw("dart", FUNC(z80dart_device::cd_ba_r), FUNC(z80dart_device::cd_ba_w));
- map(0x54, 0x57).rw("ctc", FUNC(z80ctc_device::read), FUNC(z80ctc_device::write));
- // 80, 81 - no setup bytes
- map(0x80, 0x80).r(FUNC(ckz80_state::port80_r)).w(m_terminal, FUNC(generic_terminal_device::write));
- map(0x81, 0x81).r(FUNC(ckz80_state::port81_r));
- map(0xc0, 0xc1).m(m_fdc, FUNC(upd765a_device::map));
-}
-
-/* Input ports */
-static INPUT_PORTS_START( ckz80 )
-INPUT_PORTS_END
-
-/* Z80 Daisy Chain */
-
-static const z80_daisy_config daisy_chain[] =
-{
- { "pio" },
- { "dart" },
- { "ctc" },
- { nullptr }
-};
-
-/* Z80-CTC Interface */
-
-WRITE_LINE_MEMBER( ckz80_state::ctc_z0_w )
-{
-// guess this generates clock for z80dart
-}
-
-WRITE_LINE_MEMBER( ckz80_state::ctc_z1_w )
-{
-}
-
-WRITE_LINE_MEMBER( ckz80_state::ctc_z2_w )
-{
-}
-
-void ckz80_state::machine_start()
-{
- m_bank1->configure_entry(0, m_ram+0xe000);
- m_bank1->configure_entry(1, m_rom);
- save_item(NAME(m_term_data));
-}
-
-void ckz80_state::machine_reset()
-{
- address_space &program = m_maincpu->space(AS_PROGRAM);
- program.install_rom(0x0000, 0x1fff, m_rom); // do it here for F3
- m_rom_shadow_tap = program.install_read_tap(0xe000, 0xffff, "rom_shadow_r",[this](offs_t offset, u8 &data, u8 mem_mask)
- {
- if (!machine().side_effects_disabled())
- {
- // delete this tap
- m_rom_shadow_tap->remove();
-
- // reinstall ram over the rom shadow
- m_maincpu->space(AS_PROGRAM).install_ram(0x0000, 0x1fff, m_ram);
- }
-
- // return the original data
- return data;
- });
-
- m_bank1->set_entry(1);
-}
-
-static void ckz80_floppies(device_slot_interface &device)
-{
- device.option_add("525dd", FLOPPY_525_DD);
-}
-
-void ckz80_state::kbd_put(u8 data)
-{
- m_term_data = data;
-}
-
-void ckz80_state::ckz80(machine_config &config)
-{
- /* basic machine hardware */
- Z80(config, m_maincpu, 16_MHz_XTAL / 4);
- m_maincpu->set_addrmap(AS_PROGRAM, &ckz80_state::mem_map);
- m_maincpu->set_addrmap(AS_IO, &ckz80_state::io_map);
- m_maincpu->set_daisy_config(daisy_chain);
-
- GENERIC_TERMINAL(config, m_terminal, 0);
- m_terminal->set_keyboard_callback(FUNC(ckz80_state::kbd_put));
- UPD765A(config, m_fdc, 8_MHz_XTAL, true, true);
- FLOPPY_CONNECTOR(config, "fdc:0", ckz80_floppies, "525dd", floppy_image_device::default_mfm_floppy_formats);
-
- z80ctc_device& ctc(Z80CTC(config, "ctc", 16_MHz_XTAL / 4));
- ctc.intr_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0);
- ctc.zc_callback<0>().set(FUNC(ckz80_state::ctc_z0_w));
- ctc.zc_callback<1>().set(FUNC(ckz80_state::ctc_z1_w));
- ctc.zc_callback<2>().set(FUNC(ckz80_state::ctc_z2_w));
-
- z80dart_device& dart(Z80DART(config, "dart", 16_MHz_XTAL / 4));
- //dart.out_txda_callback().set("rs232", FUNC(rs232_port_device::write_txd));
- //dart.out_dtra_callback().set("rs232", FUNC(rs232_port_device::write_dtr));
- //dart.out_rtsa_callback().set("rs232", FUNC(rs232_port_device::write_rts));
- dart.out_int_callback().set_inputline("maincpu", INPUT_LINE_IRQ0);
-
- z80pio_device& pio(Z80PIO(config, "pio", 16_MHz_XTAL / 4));
- pio.out_int_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0);
-}
-
-
-/* ROM definition */
-ROM_START( ckz80 )
- ROM_REGION( 0x2000, "maincpu", 0 )
- ROM_LOAD( "ckz80.rom", 0x0000, 0x2000, CRC(7081b7c6) SHA1(13f75b14ea73b252bdfa2384e6eead6e720e49e3))
-ROM_END
-
-/* Driver */
-
-// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
-COMP( 198?, ckz80, 0, 0, ckz80, ckz80, ckz80_state, empty_init, "<unknown>", "CKZ-80", MACHINE_NOT_WORKING | MACHINE_NO_SOUND_HW | MACHINE_SUPPORTS_SAVE )