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Diffstat (limited to 'src/mame/drivers/mdisk.cpp')
-rw-r--r--src/mame/drivers/mdisk.cpp271
1 files changed, 0 insertions, 271 deletions
diff --git a/src/mame/drivers/mdisk.cpp b/src/mame/drivers/mdisk.cpp
deleted file mode 100644
index 308642521f2..00000000000
--- a/src/mame/drivers/mdisk.cpp
+++ /dev/null
@@ -1,271 +0,0 @@
-// license: GPL-2.0+
-// copyright-holders: Dirk Best
-/***************************************************************************
-
- mupid M-Disk Comp.-A
- Grundig FL-100
-
- Floppy disk station, usually connected to a mupid C2D2/C2A2 or the
- Grundig PTC-100.
-
- Everything here is guessed based on the software and a PCB image. You
- can see garbled output when you connect the builtin terminal to the
- first serial port ('ser'). It does boot from floppy too, so presumely
- only needs an emulated main system to work.
-
-***************************************************************************/
-
-#include "emu.h"
-#include "cpu/z80/z80.h"
-#include "machine/clock.h"
-#include "machine/i8251.h"
-#include "machine/i8271.h"
-#include "machine/ram.h"
-#include "bus/rs232/rs232.h"
-#include "imagedev/floppy.h"
-
-
-//**************************************************************************
-// TYPE DEFINITIONS
-//**************************************************************************
-
-class mdisk_state : public driver_device
-{
-public:
- mdisk_state(const machine_config &mconfig, device_type type, const char *tag) :
- driver_device(mconfig, type, tag),
- m_cpu(*this, "maincpu"),
- m_ram(*this, "ram"),
- m_fdc(*this, "fdc"),
- m_floppy(*this, "fdc:%u", 0),
- m_rom_timer(nullptr),
- m_uart1_rxrdy(0), m_uart1_txrdy(0),
- m_fdc_irq(0)
- { }
-
- void mdisk(machine_config &config);
-
-protected:
- virtual void machine_start() override;
- virtual void machine_reset() override;
-
-private:
- TIMER_CALLBACK_MEMBER(rom_timer_callback);
- DECLARE_WRITE_LINE_MEMBER(uart1_rxrdy_w);
- DECLARE_WRITE_LINE_MEMBER(uart1_txrdy_w);
- DECLARE_WRITE_LINE_MEMBER(fdc_irq_w);
- DECLARE_WRITE_LINE_MEMBER(fdc_motor_w);
- DECLARE_WRITE8_MEMBER(fdc_side_w);
-
- void update_irq(uint8_t vector);
-
- required_device<z80_device> m_cpu;
- required_device<ram_device> m_ram;
- required_device<i8271_device> m_fdc;
- required_device_array<floppy_connector, 2> m_floppy;
-
- void mdisk_mem(address_map &map);
- void mdisk_io(address_map &map);
-
- emu_timer *m_rom_timer;
-
- int m_uart1_rxrdy, m_uart1_txrdy, m_fdc_irq;
-};
-
-
-//**************************************************************************
-// ADDRESS MAPS
-//**************************************************************************
-
-void mdisk_state::mdisk_mem(address_map &map)
-{
- map(0x0000, 0x1fff).bankr("bank1r").bankw("bank1w");
- map(0x2000, 0xffff).bankrw("bank2");
-}
-
-void mdisk_state::mdisk_io(address_map &map)
-{
- map.global_mask(0xff);
- map(0x20, 0x20).w(FUNC(mdisk_state::fdc_side_w));
- map(0x40, 0x40).rw("fdc", FUNC(i8271_device::data_r), FUNC(i8271_device::data_w));
- map(0x80, 0x81).rw("uart1", FUNC(i8251_device::read), FUNC(i8251_device::write));
- map(0x84, 0x85).rw("uart2", FUNC(i8251_device::read), FUNC(i8251_device::write));
- map(0x9c, 0x9e).m(m_fdc, FUNC(i8271_device::map));
-}
-
-
-//**************************************************************************
-// INPUTS
-//**************************************************************************
-
-INPUT_PORTS_START( mdisk )
- PORT_START("front")
- PORT_DIPNAME(0x01, 0x01, "Baudrate")
- PORT_DIPSETTING(0x00, "4800")
- PORT_DIPSETTING(0x01, "19200")
-INPUT_PORTS_END
-
-
-//**************************************************************************
-// FLOPPY
-//**************************************************************************
-
-WRITE_LINE_MEMBER(mdisk_state::fdc_motor_w)
-{
- if (m_floppy[0]->get_device()) m_floppy[0]->get_device()->mon_w(!state);
- if (m_floppy[1]->get_device()) m_floppy[1]->get_device()->mon_w(!state);
-}
-
-WRITE8_MEMBER(mdisk_state::fdc_side_w)
-{
- if (m_floppy[0]->get_device()) m_floppy[0]->get_device()->ss_w(BIT(data, 0));
- if (m_floppy[1]->get_device()) m_floppy[1]->get_device()->ss_w(BIT(data, 0));
-}
-
-
-//**************************************************************************
-// MACHINE
-//**************************************************************************
-
-void mdisk_state::machine_start()
-{
- // timer to switch rom to ram
- m_rom_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(mdisk_state::rom_timer_callback), this), nullptr);
-
- // register for save states
- save_item(NAME(m_uart1_rxrdy));
- save_item(NAME(m_uart1_txrdy));
- save_item(NAME(m_fdc_irq));
-}
-
-void mdisk_state::machine_reset()
-{
- // read from rom, write to ram
- membank("bank1r")->set_base(memregion("firmware")->base());
- membank("bank1w")->set_base(m_ram->pointer());
- membank("bank2")->set_base(m_ram->pointer() + 0x2000);
-
- // timing unknown
- m_rom_timer->adjust(attotime::from_msec(50));
-
- m_uart1_rxrdy = 0;
- m_uart1_txrdy = 0;
- m_fdc_irq = 0;
-}
-
-TIMER_CALLBACK_MEMBER(mdisk_state::rom_timer_callback)
-{
- // switch in ram
- logerror("Disabling ROM\n");
- membank("bank1r")->set_base(m_ram->pointer());
-}
-
-void mdisk_state::update_irq(uint8_t vector)
-{
- if (m_uart1_rxrdy || m_uart1_txrdy || m_fdc_irq)
- m_cpu->set_input_line_and_vector(INPUT_LINE_IRQ0, ASSERT_LINE, vector); // Z80
- else
- m_cpu->set_input_line(INPUT_LINE_IRQ0, CLEAR_LINE);
-}
-
-WRITE_LINE_MEMBER(mdisk_state::fdc_irq_w)
-{
- m_fdc_irq = state;
- update_irq(0x00);
-}
-
-WRITE_LINE_MEMBER(mdisk_state::uart1_rxrdy_w)
-{
- m_uart1_rxrdy = state;
- update_irq(0x18);
-}
-
-WRITE_LINE_MEMBER(mdisk_state::uart1_txrdy_w)
-{
- m_uart1_txrdy = state;
- update_irq(0x1c);
-}
-
-
-//**************************************************************************
-// MACHINE DEFINITIONS
-//**************************************************************************
-
-static void mdisk_floppies(device_slot_interface &device)
-{
- device.option_add("525qd", FLOPPY_525_QD);
-}
-
-void mdisk_state::mdisk(machine_config &config)
-{
- Z80(config, m_cpu, 4_MHz_XTAL);
- m_cpu->set_addrmap(AS_PROGRAM, &mdisk_state::mdisk_mem);
- m_cpu->set_addrmap(AS_IO, &mdisk_state::mdisk_io);
-
- // 64k internal ram
- RAM(config, m_ram).set_default_size("64K");
-
- // uart 1
- i8251_device &uart1(I8251(config, "uart1", 4_MHz_XTAL));
- uart1.rxrdy_handler().set(FUNC(mdisk_state::uart1_rxrdy_w));
- uart1.txrdy_handler().set(FUNC(mdisk_state::uart1_txrdy_w));
- uart1.txd_handler().set("ser", FUNC(rs232_port_device::write_txd));
- uart1.rts_handler().set("ser", FUNC(rs232_port_device::write_rts));
- uart1.dtr_handler().set("ser", FUNC(rs232_port_device::write_dtr));
-
- rs232_port_device &rs232_1(RS232_PORT(config, "ser", default_rs232_devices, nullptr));
- rs232_1.rxd_handler().set("uart1", FUNC(i8251_device::write_rxd));
- rs232_1.cts_handler().set("uart1", FUNC(i8251_device::write_cts));
- rs232_1.dsr_handler().set("uart1", FUNC(i8251_device::write_dsr));
-
- // uart 2
- i8251_device &uart2(I8251(config, "uart2", 4_MHz_XTAL));
- uart2.txd_handler().set("aux", FUNC(rs232_port_device::write_txd));
- uart2.rts_handler().set("aux", FUNC(rs232_port_device::write_rts));
- uart2.dtr_handler().set("aux", FUNC(rs232_port_device::write_dtr));
-
- rs232_port_device &rs232_2(RS232_PORT(config, "aux", default_rs232_devices, nullptr));
- rs232_2.rxd_handler().set("uart2", FUNC(i8251_device::write_rxd));
- rs232_2.cts_handler().set("uart2", FUNC(i8251_device::write_cts));
- rs232_2.dsr_handler().set("uart2", FUNC(i8251_device::write_dsr));
-
- // selectable 4800 or 19200
- clock_device &uart_clock(CLOCK(config, "uart_clock", 4.9152_MHz_XTAL / 32)); // just 9600 for now
- uart_clock.signal_handler().set("uart1", FUNC(i8251_device::write_txc));
- uart_clock.signal_handler().append("uart1", FUNC(i8251_device::write_rxc));
- uart_clock.signal_handler().append("uart2", FUNC(i8251_device::write_txc));
- uart_clock.signal_handler().append("uart2", FUNC(i8251_device::write_rxc));
-
- // floppy
- I8271(config, m_fdc, 4_MHz_XTAL);
- m_fdc->set_ready_line_connected(true);
- m_fdc->intrq_wr_callback().set(FUNC(mdisk_state::fdc_irq_w));
- m_fdc->drq_wr_callback().set_inputline(m_cpu, INPUT_LINE_NMI);
- m_fdc->hdl_wr_callback().set(FUNC(mdisk_state::fdc_motor_w));
- FLOPPY_CONNECTOR(config, m_floppy[0], mdisk_floppies, "525qd", floppy_image_device::default_floppy_formats);
- FLOPPY_CONNECTOR(config, m_floppy[1], mdisk_floppies, "525qd", floppy_image_device::default_floppy_formats);
-}
-
-
-//**************************************************************************
-// ROM DEFINITIONS
-//**************************************************************************
-
-ROM_START( mdisk )
- ROM_REGION(0x2000, "firmware", 0)
- ROM_LOAD("motronic_0090_6815_16.00.bin", 0x0000, 0x2000, CRC(931b3410) SHA1(4593708268d5ef7ffcb330f91218fc0c845abf5e))
-ROM_END
-
-ROM_START( fl100 )
- ROM_REGION(0x2000, "firmware", 0)
- ROM_LOAD("fl100.bin", 0x0000, 0x2000, CRC(68800982) SHA1(501c8877a18cef091476b780de605b2bea3853fb))
-ROM_END
-
-
-//**************************************************************************
-// SYSTEM DRIVERS
-//**************************************************************************
-
-// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
-COMP( 198?, mdisk, 0, 0, mdisk, mdisk, mdisk_state, empty_init, "mupid", "M-Disk Comp.-A", MACHINE_NOT_WORKING )
-COMP( 198?, fl100, mdisk, 0, mdisk, mdisk, mdisk_state, empty_init, "Grundig", "FL-100", MACHINE_NOT_WORKING )