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Diffstat (limited to 'src/mame/drivers/dmax8000.cpp')
-rw-r--r-- | src/mame/drivers/dmax8000.cpp | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/src/mame/drivers/dmax8000.cpp b/src/mame/drivers/dmax8000.cpp deleted file mode 100644 index 564b3685bd1..00000000000 --- a/src/mame/drivers/dmax8000.cpp +++ /dev/null @@ -1,215 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Robbbert -/****************************************************************************************************************** - -Datamax 8000 - -2016-07-24 Skeleton driver - -This computer was designed and made by Datamax Pty Ltd, in Manly, Sydney, Australia. - -It could have up to 4x 8 inch floppy drives, in the IBM format. -There were a bunch of optional extras such as 256kB RAM, numeric coprocessor, RTC, etc. - - -ToDo: -- Parallel port -- Centronics port -- AUX serial port -- FDC/FDD/HD setup - no schematics available of this section, so guessing... - -What there is of the schematic shows no sign of a daisy chain or associated interrupts. - - -****************************************************************************************************************/ - -#include "emu.h" -#include "cpu/z80/z80.h" -#include "imagedev/floppy.h" -#include "machine/wd_fdc.h" -#include "machine/z80daisy.h" -#include "machine/z80pio.h" -#include "machine/z80dart.h" -#include "machine/z80ctc.h" -#include "machine/mm58274c.h" -#include "bus/rs232/rs232.h" - - - -class dmax8000_state : public driver_device -{ -public: - dmax8000_state(const machine_config &mconfig, device_type type, const char *tag) - : driver_device(mconfig, type, tag) - , m_maincpu(*this, "maincpu") - , m_fdc(*this, "fdc") - , m_floppy0(*this, "fdc:0") - { } - - void dmax8000(machine_config &config); - - void init_dmax8000(); - -private: - DECLARE_MACHINE_RESET(dmax8000); - DECLARE_WRITE8_MEMBER(port0c_w); - DECLARE_WRITE8_MEMBER(port0d_w); - DECLARE_WRITE8_MEMBER(port14_w); - DECLARE_WRITE8_MEMBER(port40_w); - DECLARE_WRITE_LINE_MEMBER(fdc_drq_w); - - void dmax8000_io(address_map &map); - void dmax8000_mem(address_map &map); - - required_device<cpu_device> m_maincpu; - required_device<fd1793_device> m_fdc; - required_device<floppy_connector> m_floppy0; -}; - - -WRITE_LINE_MEMBER( dmax8000_state::fdc_drq_w ) -{ - if (state) printf("DRQ "); -} - -WRITE8_MEMBER( dmax8000_state::port0c_w ) -{ - printf("Port0c=%X\n", data); - m_fdc->dden_w(BIT(data, 6)); - floppy_image_device *floppy = nullptr; - if (BIT(data, 0)) floppy = m_floppy0->get_device(); - m_fdc->set_floppy(floppy); - if (floppy) - { - floppy->mon_w(0); - floppy->ss_w(0); // no idea - } -} - -WRITE8_MEMBER( dmax8000_state::port0d_w ) -{ - printf("Port0d=%X\n", data); -} - -WRITE8_MEMBER( dmax8000_state::port14_w ) -{ - printf("Port14=%X\n", data); -} - -WRITE8_MEMBER( dmax8000_state::port40_w ) -{ - membank("bankr0")->set_entry(BIT(data, 0)); -} - -void dmax8000_state::dmax8000_mem(address_map &map) -{ - map(0x0000, 0x0fff).bankr("bankr0").bankw("bankw0"); - map(0x1000, 0xffff).ram(); -} - -void dmax8000_state::dmax8000_io(address_map &map) -{ - map.global_mask(0xff); - map.unmap_value_high(); - map(0x00, 0x03).rw(m_fdc, FUNC(fd1793_device::read), FUNC(fd1793_device::write)); - map(0x04, 0x07).rw("dart1", FUNC(z80dart_device::ba_cd_r), FUNC(z80dart_device::ba_cd_w)); - map(0x08, 0x0b).rw("ctc", FUNC(z80ctc_device::read), FUNC(z80ctc_device::write)); - map(0x0c, 0x0f).rw("pio1", FUNC(z80pio_device::read), FUNC(z80pio_device::write)); // fdd controls - map(0x10, 0x13).rw("pio2", FUNC(z80pio_device::read), FUNC(z80pio_device::write)); // centronics & parallel ports - map(0x14, 0x17).w(FUNC(dmax8000_state::port14_w)); // control lines for the centronics & parallel ports - //map(0x18, 0x19).mirror(2).rw("am9511", FUNC(am9512_device::read), FUNC(am9512_device::write)); // optional numeric coprocessor - //map(0x1c, 0x1d).mirror(2); // optional hard disk controller (1C=status, 1D=data) - map(0x20, 0x23).rw("dart2", FUNC(z80dart_device::ba_cd_r), FUNC(z80dart_device::ba_cd_w)); - map(0x40, 0x40).w(FUNC(dmax8000_state::port40_w)); // memory bank control - //map(0x60, 0x67) // optional IEEE488 GPIB - map(0x70, 0x7f).rw("rtc", FUNC(mm58274c_device::read), FUNC(mm58274c_device::write)); // optional RTC -} - -/* Input ports */ -static INPUT_PORTS_START( dmax8000 ) -INPUT_PORTS_END - -MACHINE_RESET_MEMBER( dmax8000_state, dmax8000 ) -{ - membank("bankr0")->set_entry(0); // point at rom - membank("bankw0")->set_entry(0); // always write to ram - m_maincpu->reset(); - m_maincpu->set_input_line_vector(0, 0xee); // Z80 - fdc vector -} - -void dmax8000_state::init_dmax8000() -{ - uint8_t *main = memregion("maincpu")->base(); - - membank("bankr0")->configure_entry(1, &main[0x0000]); - membank("bankr0")->configure_entry(0, &main[0x10000]); - membank("bankw0")->configure_entry(0, &main[0x0000]); -} - -static void floppies(device_slot_interface &device) -{ - device.option_add("8dsdd", FLOPPY_8_DSDD); -} - - -void dmax8000_state::dmax8000(machine_config &config) -{ - /* basic machine hardware */ - Z80(config, m_maincpu, 4'000'000); // no idea what crystal is used, but 4MHz clock is confirmed - m_maincpu->set_addrmap(AS_PROGRAM, &dmax8000_state::dmax8000_mem); - m_maincpu->set_addrmap(AS_IO, &dmax8000_state::dmax8000_io); - MCFG_MACHINE_RESET_OVERRIDE(dmax8000_state, dmax8000) - - z80ctc_device &ctc(Z80CTC(config, "ctc", 4_MHz_XTAL)); - ctc.set_clk<0>(4_MHz_XTAL / 2); // 2MHz - ctc.zc_callback<0>().set("dart1", FUNC(z80dart_device::rxca_w)); - ctc.zc_callback<0>().append("dart1", FUNC(z80dart_device::txca_w)); - ctc.zc_callback<0>().append("dart2", FUNC(z80dart_device::rxca_w)); - ctc.zc_callback<0>().append("dart2", FUNC(z80dart_device::txca_w)); - ctc.set_clk<1>(4_MHz_XTAL / 2); // 2MHz - ctc.zc_callback<1>().set("dart2", FUNC(z80dart_device::rxtxcb_w)); - ctc.set_clk<2>(4_MHz_XTAL / 2); // 2MHz - ctc.zc_callback<2>().set("dart1", FUNC(z80dart_device::rxtxcb_w)); - - z80dart_device& dart1(Z80DART(config, "dart1", 4'000'000)); // A = terminal; B = aux - dart1.out_txda_callback().set("rs232", FUNC(rs232_port_device::write_txd)); - dart1.out_dtra_callback().set("rs232", FUNC(rs232_port_device::write_dtr)); - dart1.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("dart1", FUNC(z80dart_device::rxa_w)); - rs232.dcd_handler().set("dart1", FUNC(z80dart_device::dcda_w)); - rs232.ri_handler().set("dart1", FUNC(z80dart_device::ria_w)); - rs232.cts_handler().set("dart1", FUNC(z80dart_device::ctsa_w)); - - Z80DART(config, "dart2", 4'000'000); // RS232 ports - - z80pio_device& pio1(Z80PIO(config, "pio1", 4'000'000)); - pio1.out_pa_callback().set(FUNC(dmax8000_state::port0c_w)); - pio1.out_pb_callback().set(FUNC(dmax8000_state::port0d_w)); - - Z80PIO(config, "pio2", 4'000'000); - - FD1793(config, m_fdc, 2'000'000); // no idea - m_fdc->intrq_wr_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0); - m_fdc->drq_wr_callback().set(FUNC(dmax8000_state::fdc_drq_w)); - FLOPPY_CONNECTOR(config, "fdc:0", floppies, "8dsdd", floppy_image_device::default_floppy_formats).enable_sound(true); - - mm58274c_device &rtc(MM58274C(config, "rtc", 0)); // MM58174 - // this is all guess - rtc.set_mode24(0); // 12 hour - rtc.set_day1(1); // monday -} - - -/* ROM definition */ -ROM_START( dmax8000 ) - ROM_REGION( 0x11000, "maincpu", 0 ) - ROM_LOAD( "rev1_0.rom", 0x10000, 0x001000, CRC(acbec83f) SHA1(fce0a4307a791250dbdc6bb6a190f7fec3619d82) ) - // ROM_LOAD( "rev1_1.rom", 0x10000, 0x001000, CRC(2eb98a61) SHA1(cdd9a58f63ee7e3d3dd1c4ae3fd4376b308fd10f) ) // this is a hacked rom to speed up the serial port -ROM_END - -/* Driver */ - -// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS -COMP( 1981, dmax8000, 0, 0, dmax8000, dmax8000, dmax8000_state, init_dmax8000, "Datamax", "Datamax 8000", MACHINE_NOT_WORKING ) |