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author Dirk Best <mail@dirk-best.de>2018-12-14 19:20:51 +0100
committer Dirk Best <mail@dirk-best.de>2018-12-14 19:50:27 +0100
commit20c99423d63146f42adbb0f0c9b27943dfaf2791 (patch)
treec79d5fab8a2f3a239f072477e7cb12acb4c0686c
parent625cfabe02d329898c94a6385f686d737a2b43b2 (diff)
New not working driver: mupid M-Disk
Marked as non-working because the correct terminal isn't emulated, so we can't fully verify that everything works. Run it with '-ser terminal' to see the garbled output. This also adds the clone Grundig FL-100.
-rw-r--r--scripts/target/mame/mess.lua6
-rw-r--r--src/mame/drivers/mdisk.cpp271
-rw-r--r--src/mame/mame.lst4
-rw-r--r--src/mame/mess.flt1
4 files changed, 282 insertions, 0 deletions
diff --git a/scripts/target/mame/mess.lua b/scripts/target/mame/mess.lua
index 05aa1008507..1c0d2e119ae 100644
--- a/scripts/target/mame/mess.lua
+++ b/scripts/target/mame/mess.lua
@@ -1106,6 +1106,7 @@ function linkProjects_mame_mess(_target, _subtarget)
"mos",
"motorola",
"multitch",
+ "mupid",
"nakajima",
"nascom",
"ncd",
@@ -2566,6 +2567,11 @@ files {
MAME_DIR .. "src/mame/includes/mpf1.h",
}
+createMESSProjects(_target, _subtarget, "mupid")
+files {
+ MAME_DIR .. "src/mame/drivers/mdisk.cpp",
+}
+
createMESSProjects(_target, _subtarget, "nakajima")
files {
MAME_DIR .. "src/mame/drivers/nakajies.cpp",
diff --git a/src/mame/drivers/mdisk.cpp b/src/mame/drivers/mdisk.cpp
new file mode 100644
index 00000000000..4551c485ac8
--- /dev/null
+++ b/src/mame/drivers/mdisk.cpp
@@ -0,0 +1,271 @@
+// 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);
+ 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 )
diff --git a/src/mame/mame.lst b/src/mame/mame.lst
index 733eaf379cf..21eb8771414 100644
--- a/src/mame/mame.lst
+++ b/src/mame/mame.lst
@@ -20836,6 +20836,10 @@ spyhunt2a // (c) 1987
trisport // (c) 1989
xenophob // (c) 1987
+@source:mdisk.cpp
+mdisk // (c) 198? mupid Computer Ges.m.b.H.
+fl100 // (c) 198? Grundig
+
@source:meadows.cpp
bowl3d // [1978?]
deadeye // [1978?]
diff --git a/src/mame/mess.flt b/src/mame/mess.flt
index 5e3ebaf5f0d..a4bb3be7c83 100644
--- a/src/mame/mess.flt
+++ b/src/mame/mess.flt
@@ -406,6 +406,7 @@ mc8020.cpp
mc8030.cpp
mcb216.cpp
mccpm.cpp
+mdisk.cpp
megadriv.cpp
megadriv_rad.cpp
mekd2.cpp