mirror of
https://github.com/holub/mame
synced 2025-04-23 08:49:55 +03:00
einst256: Replaced bad MOS ROM and implemented the rest of the machine, promoted to working. [Nigel Barnes, jltursan]
This commit is contained in:
Nigel Barnes
parent
421e97cc5a
commit
2529c28832
@ -1,12 +1,13 @@
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// license: GPL-2.0+
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// copyright-holders: Kevin Thacker, Dirk Best, Phill Harvey-Smith
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// copyright-holders: Kevin Thacker, Dirk Best, Phill Harvey-Smith, Nigel Barnes
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// thanks-to: Chris Coxall, Andrew Dunipace
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/******************************************************************************
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Tatung Einstein
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TODO:
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- Einstein 256 support (need bios dump)
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TODO: Einstein 256
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- interrupt priorities
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- VAMP interface (probably never used)
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******************************************************************************/
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@ -18,6 +19,7 @@
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#include "bus/einstein/pipe/pipe.h"
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#include "bus/einstein/userport/userport.h"
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#include "bus/rs232/rs232.h"
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#include "imagedev/cassette.h"
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#include "imagedev/floppy.h"
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#include "machine/adc0844.h"
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#include "machine/i8251.h"
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@ -28,6 +30,7 @@
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#include "machine/z80ctc.h"
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#include "machine/z80pio.h"
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#include "video/tms9928a.h"
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#include "video/v9938.h"
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#include "sound/ay8910.h"
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#include "screen.h"
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#include "softlist.h"
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@ -67,6 +70,7 @@ public:
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m_keyboard_daisy(*this, "keyboard_daisy"),
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m_adc_daisy(*this, "adc_daisy"),
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m_fire_daisy(*this, "fire_daisy"),
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m_vdp_daisy(*this, "vdp_daisy"),
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m_pipe(*this, "pipe"),
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m_fdc(*this, IC_I042),
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m_ram(*this, RAM_TAG),
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@ -77,17 +81,22 @@ public:
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m_bank1(*this, "bank1"),
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m_bank2(*this, "bank2"),
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m_bank3(*this, "bank3"),
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m_floppy{ { *this, IC_I042 ":0" }, { *this, IC_I042 ":1" }, { *this, IC_I042 ":2" }, { *this, IC_I042 ":3" } },
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m_floppy(*this, IC_I042 ":%u", 0),
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m_cassette(*this, "cassette"),
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m_line(*this, "LINE%u", 0),
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m_extra(*this, "EXTRA"),
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m_buttons(*this, "BUTTONS"),
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m_porta_joy(*this, "PORTA_JOY"),
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m_portb_joy(*this, "PORTB_JOY"),
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m_dips(*this, "DIPS"),
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m_rom_enabled(0),
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m_keyboard_line(0), m_keyboard_data(0xff),
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m_centronics_busy(0), m_centronics_perror(0), m_centronics_fault(0), m_strobe(-1),
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m_centronics_ack(0), m_centronics_busy(0), m_centronics_perror(0), m_centronics_fault(0), m_strobe(-1),
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m_int(0)
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{}
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void einstein(machine_config &config);
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void einst256(machine_config &config);
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DECLARE_INPUT_CHANGED_MEMBER(joystick_button);
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@ -104,15 +113,29 @@ private:
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DECLARE_WRITE8_MEMBER(kybint_msk_w);
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DECLARE_WRITE8_MEMBER(adcint_msk_w);
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DECLARE_WRITE8_MEMBER(fireint_msk_w);
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DECLARE_WRITE8_MEMBER(evdpint_msk_w);
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DECLARE_WRITE8_MEMBER(drsel_w);
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DECLARE_WRITE_LINE_MEMBER(write_centronics_ack);
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DECLARE_WRITE_LINE_MEMBER(write_centronics_busy);
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DECLARE_WRITE_LINE_MEMBER(write_centronics_perror);
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DECLARE_WRITE_LINE_MEMBER(write_centronics_fault);
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DECLARE_WRITE_LINE_MEMBER(ardy_w);
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TIMER_DEVICE_CALLBACK_MEMBER(strobe_callback);
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DECLARE_READ8_MEMBER(system_r);
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DECLARE_READ8_MEMBER(porta_r);
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DECLARE_WRITE8_MEMBER(porta_w);
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DECLARE_WRITE8_MEMBER(porta_int_w);
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DECLARE_READ8_MEMBER(portb_r);
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DECLARE_WRITE8_MEMBER(portb_w);
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DECLARE_READ8_MEMBER(pseudo_adc_r);
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DECLARE_WRITE8_MEMBER(pseudo_adc_w);
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DECLARE_READ8_MEMBER(alpha_lock_r);
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DECLARE_WRITE8_MEMBER(alpha_lock_w);
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void einstein_io(address_map &map);
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void einstein_mem(address_map &map);
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void einst256_io(address_map &map);
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virtual void machine_start() override;
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virtual void machine_reset() override;
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@ -123,7 +146,8 @@ private:
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required_device<z80daisy_generic_device> m_keyboard_daisy;
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required_device<z80daisy_generic_device> m_adc_daisy;
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required_device<z80daisy_generic_device> m_fire_daisy;
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required_device<tatung_pipe_device> m_pipe;
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optional_device<z80daisy_generic_device> m_vdp_daisy;
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optional_device<tatung_pipe_device> m_pipe;
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required_device<wd1770_device> m_fdc;
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required_device<ram_device> m_ram;
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required_device<ay8910_device> m_psg;
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@ -133,20 +157,30 @@ private:
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required_memory_bank m_bank1;
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required_memory_bank m_bank2;
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required_memory_bank m_bank3;
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required_device<floppy_connector> m_floppy[4];
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optional_device_array<floppy_connector, 4> m_floppy;
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optional_device<cassette_image_device> m_cassette;
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required_ioport_array<8> m_line;
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required_ioport m_extra;
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required_ioport m_buttons;
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optional_ioport m_buttons;
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optional_ioport m_porta_joy;
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optional_ioport m_portb_joy;
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optional_ioport m_dips;
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int m_rom_enabled;
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uint8_t m_keyboard_line;
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uint8_t m_keyboard_data;
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uint8_t m_porta_out;
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uint8_t m_porta_int;
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uint8_t m_portb_out;
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uint8_t m_pseudo_adc;
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int m_centronics_ack;
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int m_centronics_busy;
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int m_centronics_perror;
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int m_centronics_fault;
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int m_strobe;
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int m_alpha_lock_led;
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int m_int;
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};
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@ -158,7 +192,12 @@ private:
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INPUT_CHANGED_MEMBER( einstein_state::joystick_button )
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{
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int button_down = (m_buttons->read() & 0x03) != 0x03;
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int button_down;
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if (m_buttons)
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button_down = (m_buttons->read() & 0x03) != 0x03;
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else
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button_down = (m_porta_joy->read() & m_portb_joy->read() & 0x10) != 0x10;
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m_fire_daisy->int_w(button_down ? ASSERT_LINE : CLEAR_LINE);
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}
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@ -222,10 +261,10 @@ WRITE8_MEMBER(einstein_state::drsel_w)
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floppy_image_device *floppy = nullptr;
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if (BIT(data, 0)) floppy = m_floppy[0]->get_device();
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if (BIT(data, 1)) floppy = m_floppy[1]->get_device();
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if (BIT(data, 2)) floppy = m_floppy[2]->get_device();
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if (BIT(data, 3)) floppy = m_floppy[3]->get_device();
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if (BIT(data, 0)) floppy = m_floppy[0] ? m_floppy[0]->get_device() : nullptr;
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if (BIT(data, 1)) floppy = m_floppy[1] ? m_floppy[1]->get_device() : nullptr;
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if (BIT(data, 2)) floppy = m_floppy[2] ? m_floppy[2]->get_device() : nullptr;
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if (BIT(data, 3)) floppy = m_floppy[3] ? m_floppy[3]->get_device() : nullptr;
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if (floppy)
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floppy->ss_w(BIT(data, 4));
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@ -238,6 +277,11 @@ WRITE8_MEMBER(einstein_state::drsel_w)
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CENTRONICS
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***************************************************************************/
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WRITE_LINE_MEMBER(einstein_state::write_centronics_ack)
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{
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m_centronics_ack = state;
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}
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WRITE_LINE_MEMBER( einstein_state::write_centronics_busy )
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{
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m_centronics_busy = state;
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@ -284,6 +328,16 @@ static const z80_daisy_config einstein_daisy_chain[] =
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{ nullptr }
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};
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static const z80_daisy_config einst256_daisy_chain[] =
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{
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{ "keyboard_daisy" },
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{ IC_I058 },
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{ "adc_daisy" },
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{ "vdp_daisy" },
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{ "fire_daisy" },
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{ nullptr }
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};
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template <int src> WRITE_LINE_MEMBER( einstein_state::int_w )
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{
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int old = m_int;
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@ -294,7 +348,7 @@ template <int src> WRITE_LINE_MEMBER( einstein_state::int_w )
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if (!old)
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{
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m_maincpu->set_input_line(INPUT_LINE_IRQ0, ASSERT_LINE);
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m_pipe->host_int_w(ASSERT_LINE);
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if (m_pipe) m_pipe->host_int_w(ASSERT_LINE);
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}
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}
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else
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@ -303,7 +357,7 @@ template <int src> WRITE_LINE_MEMBER( einstein_state::int_w )
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if (old && !m_int)
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{
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m_maincpu->set_input_line(INPUT_LINE_IRQ0, CLEAR_LINE);
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m_pipe->host_int_w(CLEAR_LINE);
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if (m_pipe) m_pipe->host_int_w(CLEAR_LINE);
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}
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}
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}
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@ -316,7 +370,10 @@ READ8_MEMBER( einstein_state::kybint_msk_r )
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m_keyboard_daisy->int_w(CLEAR_LINE);
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/* bit 0 and 1: fire buttons on the joysticks */
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data |= m_buttons->read() & 0x03;
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if (m_buttons)
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data |= m_buttons->read() & 0x03;
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else
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data |= (m_portb_joy->read() & 0x10) >> 4 | (m_porta_joy->read() & 0x10) >> 3;
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/* bit 2 to 4: printer status */
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data |= m_centronics_busy << 2;
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@ -350,6 +407,13 @@ WRITE8_MEMBER( einstein_state::fireint_msk_w )
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m_fire_daisy->mask_w(BIT(data, 0));
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}
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WRITE8_MEMBER(einstein_state::evdpint_msk_w)
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{
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logerror("EVDP interrupt %s\n", BIT(data, 0) ? "disabled" : "enabled");
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logerror("Printer STROBE %s\n", BIT(data, 1) ? "disabled" : "enabled");
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m_vdp_daisy->mask_w(BIT(data, 0));
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}
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/***************************************************************************
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MACHINE EMULATION
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@ -404,6 +468,128 @@ void einstein_state::machine_reset()
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m_fire_daisy->mask_w(1);
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m_strobe = -1;
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// enable Alpha Lock LED
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m_alpha_lock_led = 1;
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}
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/***************************************************************************
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256 MACHINE EMULATION
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***************************************************************************/
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READ8_MEMBER(einstein_state::system_r)
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{
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uint8_t data = 0;
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// b0 1 = Alpha Lock key pressed
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data |= !BIT(m_line[0]->read(), 4);
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// b1 1 = ROM enabled
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data |= m_rom_enabled << 1;
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// b2 Dipswitch 1
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// b3 Dipswitch 2
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// b4 Dipswitch 3
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// b5 Dipswitch 4
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data |= (m_dips->read() & 0x0f) << 2;
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// b6 0 = mouse connected
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data |= 0x40;
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// b7 cassette input
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data |= (m_cassette->input() > 0.0 ? 1 : 0) << 7;
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return data;
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}
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READ8_MEMBER(einstein_state::porta_r)
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{
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uint8_t data = 0;
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data |= m_porta_joy->read() & 0x1f;
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data |= m_centronics_perror << 5;
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data |= m_centronics_fault << 6;
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return data;
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}
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WRITE8_MEMBER(einstein_state::porta_w)
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{
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m_centronics->write_data0(BIT(data, 0));
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m_centronics->write_data1(BIT(data, 1));
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m_centronics->write_data2(BIT(data, 2));
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m_centronics->write_data3(BIT(data, 3));
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m_centronics->write_strobe(BIT(data, 4));
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}
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WRITE8_MEMBER(einstein_state::porta_int_w)
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{
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// TODO: Implement Port A interrupts (not used for printing!)
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logerror("Port A interrupt %s\n", BIT(data, 7) ? "enabled" : "disabled");
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m_porta_int = data;
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}
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READ8_MEMBER(einstein_state::portb_r)
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{
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uint8_t data = 0;
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data |= m_portb_joy->read() & 0x1f;
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data |= m_centronics_busy << 5;
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data |= m_centronics_ack << 6;
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return data;
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}
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WRITE8_MEMBER(einstein_state::portb_w)
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{
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m_centronics->write_data4(BIT(data, 0));
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m_centronics->write_data5(BIT(data, 1));
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m_centronics->write_data6(BIT(data, 2));
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m_centronics->write_data7(BIT(data, 3));
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}
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READ8_MEMBER(einstein_state::pseudo_adc_r)
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{
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uint8_t data = 0x7f; // centre
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uint8_t port = BIT(m_pseudo_adc, 1) ? m_porta_joy->read() : m_portb_joy->read();
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m_adc_daisy->int_w(CLEAR_LINE);
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switch (m_pseudo_adc & 0x05)
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{
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case 4:
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switch (port & 0x0c)
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{
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case 0x04: data = 0xff; break; // right
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case 0x08: data = 0x00; break; // left
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}
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break;
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case 5:
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switch (port & 0x03)
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{
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case 0x01: data = 0x00; break; // down
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case 0x02: data = 0xff; break; // up
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}
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break;
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}
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return data;
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}
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WRITE8_MEMBER(einstein_state::pseudo_adc_w)
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{
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m_pseudo_adc = data;
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m_adc_daisy->int_w(ASSERT_LINE);
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}
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READ8_MEMBER(einstein_state::alpha_lock_r)
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{
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m_alpha_lock_led ^= 1;
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output().set_value("alpha_lock_led", m_alpha_lock_led);
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return 0xff;
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}
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WRITE8_MEMBER(einstein_state::alpha_lock_w)
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{
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m_alpha_lock_led ^= 1;
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output().set_value("alpha_lock_led", m_alpha_lock_led);
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}
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@ -437,17 +623,41 @@ void einstein_state::einstein_io(address_map &map)
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map(0x38, 0x38).mirror(0xff07).rw("adc", FUNC(adc0844_device::read), FUNC(adc0844_device::write));
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}
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void einstein_state::einst256_io(address_map &map)
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{
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map.unmap_value_high();
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map(0x00, 0x00).mirror(0xff04).rw(FUNC(einstein_state::reset_r), FUNC(einstein_state::reset_w));
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map(0x02, 0x02).mirror(0xff04).rw(m_psg, FUNC(ay8910_device::data_r), FUNC(ay8910_device::address_w));
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map(0x03, 0x03).mirror(0xff04).w(m_psg, FUNC(ay8910_device::data_w));
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map(0x08, 0x0b).mirror(0xff04).rw("v9938", FUNC(v9938_device::read), FUNC(v9938_device::write));
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map(0x10, 0x11).mirror(0xff06).rw(IC_I060, FUNC(i8251_device::read), FUNC(i8251_device::write));
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map(0x18, 0x1b).mirror(0xff04).rw(m_fdc, FUNC(wd1770_device::read), FUNC(wd1770_device::write));
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map(0x20, 0x20).mirror(0xff00).rw(FUNC(einstein_state::kybint_msk_r), FUNC(einstein_state::kybint_msk_w));
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map(0x21, 0x21).mirror(0xff00).w(FUNC(einstein_state::adcint_msk_w));
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map(0x22, 0x22).mirror(0xff00).rw(FUNC(einstein_state::alpha_lock_r), FUNC(einstein_state::alpha_lock_w));
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map(0x23, 0x23).mirror(0xff00).w(FUNC(einstein_state::drsel_w));
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map(0x24, 0x24).mirror(0xff00).rw(FUNC(einstein_state::rom_r), FUNC(einstein_state::rom_w));
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map(0x25, 0x25).mirror(0xff00).w(FUNC(einstein_state::fireint_msk_w));
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map(0x26, 0x26).mirror(0xff00).r(FUNC(einstein_state::system_r));
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map(0x28, 0x2b).mirror(0xff04).rw(IC_I058, FUNC(z80ctc_device::read), FUNC(z80ctc_device::write));
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map(0x30, 0x30).mirror(0xff00).rw(FUNC(einstein_state::porta_r), FUNC(einstein_state::porta_w));
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map(0x31, 0x31).mirror(0xff00).w(FUNC(einstein_state::porta_int_w));
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map(0x32, 0x32).mirror(0xff00).rw(FUNC(einstein_state::portb_r), FUNC(einstein_state::portb_w));
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map(0x38, 0x38).mirror(0xff07).rw(FUNC(einstein_state::pseudo_adc_r), FUNC(einstein_state::pseudo_adc_w));
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map(0x80, 0x80).mirror(0xff00).w(FUNC(einstein_state::evdpint_msk_w));
|
||||
}
|
||||
|
||||
|
||||
/***************************************************************************
|
||||
INPUT PORTS
|
||||
***************************************************************************/
|
||||
|
||||
static INPUT_PORTS_START( einstein )
|
||||
static INPUT_PORTS_START( keyboard )
|
||||
PORT_START("LINE0")
|
||||
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("BREAK") PORT_CODE(KEYCODE_LALT)
|
||||
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("?") PORT_CODE(KEYCODE_1_PAD)
|
||||
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
|
||||
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F0") PORT_CODE(KEYCODE_F1)
|
||||
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("?") PORT_CODE(KEYCODE_3_PAD)
|
||||
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F7") PORT_CODE(KEYCODE_F8) PORT_CHAR(UCHAR_MAMEKEY(F7))
|
||||
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("CAPS LOCK") PORT_CODE(KEYCODE_CAPSLOCK)
|
||||
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("ENTER") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13)
|
||||
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("SPACE") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
|
||||
@ -528,6 +738,10 @@ static INPUT_PORTS_START( einstein )
|
||||
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("GRPH") PORT_CODE(KEYCODE_F8)
|
||||
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("CONTROL") PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL)
|
||||
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("SHIFT") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
|
||||
INPUT_PORTS_END
|
||||
|
||||
static INPUT_PORTS_START( einstein )
|
||||
PORT_INCLUDE(keyboard)
|
||||
|
||||
// fire buttons for analogue joysticks
|
||||
PORT_START("BUTTONS")
|
||||
@ -556,6 +770,40 @@ static INPUT_PORTS_START( einstein )
|
||||
PORT_REVERSE
|
||||
INPUT_PORTS_END
|
||||
|
||||
static INPUT_PORTS_START( einst256 )
|
||||
PORT_INCLUDE(keyboard)
|
||||
|
||||
PORT_MODIFY("LINE0")
|
||||
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("ALPHA LOCK") PORT_CODE(KEYCODE_CAPSLOCK)
|
||||
|
||||
PORT_START("PORTA_JOY")
|
||||
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP) PORT_PLAYER(1)
|
||||
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN) PORT_PLAYER(1)
|
||||
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT) PORT_PLAYER(1)
|
||||
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT) PORT_PLAYER(1)
|
||||
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_PLAYER(1) PORT_CHANGED_MEMBER(DEVICE_SELF, einstein_state, joystick_button, nullptr)
|
||||
|
||||
PORT_START("PORTB_JOY")
|
||||
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP) PORT_PLAYER(2)
|
||||
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN) PORT_PLAYER(2)
|
||||
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT) PORT_PLAYER(2)
|
||||
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT) PORT_PLAYER(2)
|
||||
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_PLAYER(2) PORT_CHANGED_MEMBER(DEVICE_SELF, einstein_state, joystick_button, nullptr)
|
||||
|
||||
PORT_START("DIPS")
|
||||
PORT_DIPNAME(0x01, 0x00, "Line Standard") PORT_DIPLOCATION("S:1")
|
||||
PORT_DIPSETTING(0x00, "525 lines 60Hz")
|
||||
PORT_DIPSETTING(0x01, "625 lines 50Hz")
|
||||
PORT_DIPNAME(0x02, 0x00, "Printer") PORT_DIPLOCATION("S:2")
|
||||
PORT_DIPSETTING(0x00, "Parallel")
|
||||
PORT_DIPSETTING(0x02, "Serial")
|
||||
PORT_DIPNAME(0x0c, 0x00, "Language") PORT_DIPLOCATION("S:3,4")
|
||||
PORT_DIPSETTING(0x00, "English (ISO646)")
|
||||
PORT_DIPSETTING(0x04, "ASCII")
|
||||
PORT_DIPSETTING(0x08, "German")
|
||||
PORT_DIPSETTING(0x0c, "Spanish")
|
||||
INPUT_PORTS_END
|
||||
|
||||
|
||||
/***************************************************************************
|
||||
MACHINE DRIVERS
|
||||
@ -655,13 +903,13 @@ void einstein_state::einstein(machine_config &config)
|
||||
// floppy
|
||||
WD1770(config, m_fdc, XTAL_X002);
|
||||
|
||||
FLOPPY_CONNECTOR(config, IC_I042 ":0", einstein_floppies, "3ss", floppy_image_device::default_floppy_formats);
|
||||
FLOPPY_CONNECTOR(config, IC_I042 ":1", einstein_floppies, "3ss", floppy_image_device::default_floppy_formats);
|
||||
FLOPPY_CONNECTOR(config, IC_I042 ":2", einstein_floppies, "525qd", floppy_image_device::default_floppy_formats);
|
||||
FLOPPY_CONNECTOR(config, IC_I042 ":3", einstein_floppies, "525qd", floppy_image_device::default_floppy_formats);
|
||||
FLOPPY_CONNECTOR(config, IC_I042 ":0", einstein_floppies, "3ss", floppy_image_device::default_floppy_formats).enable_sound(true);
|
||||
FLOPPY_CONNECTOR(config, IC_I042 ":1", einstein_floppies, "3ss", floppy_image_device::default_floppy_formats).enable_sound(true);
|
||||
FLOPPY_CONNECTOR(config, IC_I042 ":2", einstein_floppies, "525qd", floppy_image_device::default_floppy_formats).enable_sound(true);
|
||||
FLOPPY_CONNECTOR(config, IC_I042 ":3", einstein_floppies, "525qd", floppy_image_device::default_floppy_formats).enable_sound(true);
|
||||
|
||||
/* software lists */
|
||||
SOFTWARE_LIST(config, "disk_list").set_original("einstein");
|
||||
SOFTWARE_LIST(config, "disk_list").set_original("einstein").set_filter("TC01");
|
||||
|
||||
/* RAM is provided by 8k DRAM ICs i009, i010, i011, i012, i013, i014, i015 and i016 */
|
||||
/* internal ram */
|
||||
@ -677,6 +925,42 @@ void einstein_state::einstein(machine_config &config)
|
||||
EINSTEIN_USERPORT(config, "user").bstb_handler().set(IC_I063, FUNC(z80pio_device::strobe_b));
|
||||
}
|
||||
|
||||
void einstein_state::einst256(machine_config &config)
|
||||
{
|
||||
einstein(config);
|
||||
|
||||
/* remove components not present in TC256 */
|
||||
config.device_remove(IC_I063);
|
||||
config.device_remove("vdp");
|
||||
config.device_remove("adc");
|
||||
config.device_remove(IC_I042 ":2");
|
||||
config.device_remove(IC_I042 ":3");
|
||||
config.device_remove("pipe");
|
||||
config.device_remove("user");
|
||||
|
||||
/* basic machine hardware */
|
||||
m_maincpu->set_addrmap(AS_IO, &einstein_state::einst256_io);
|
||||
m_maincpu->set_daisy_config(einst256_daisy_chain);
|
||||
|
||||
Z80DAISY_GENERIC(config, m_vdp_daisy, 0xfe);
|
||||
m_vdp_daisy->int_handler().set(FUNC(einstein_state::int_w<5>));
|
||||
|
||||
/* video hardware */
|
||||
v9938_device &v9938(V9938(config, "v9938", 21.477272_MHz_XTAL));
|
||||
v9938.set_screen("screen");
|
||||
v9938.set_vram_size(0x30000);
|
||||
v9938.int_cb().set(m_vdp_daisy, FUNC(z80daisy_generic_device::int_w));
|
||||
|
||||
/* printer */
|
||||
m_centronics->ack_handler().set(FUNC(einstein_state::write_centronics_ack));
|
||||
|
||||
/* cassette */
|
||||
CASSETTE(config, m_cassette);
|
||||
|
||||
/* software lists */
|
||||
subdevice<software_list_device>("disk_list")->set_filter("256");
|
||||
}
|
||||
|
||||
|
||||
/***************************************************************************
|
||||
ROM DEFINITIONS
|
||||
@ -688,20 +972,19 @@ void einstein_state::einstein(machine_config &config)
|
||||
* We are missing dumps of version MOS 1.1, possibly of 1.0 if it exists.
|
||||
*/
|
||||
ROM_START( einstein )
|
||||
ROM_REGION(0x8000, "bios", 0)
|
||||
ROM_REGION(0x8000, "bios", ROMREGION_ERASEFF)
|
||||
/* i023 */
|
||||
ROM_SYSTEM_BIOS(0, "mos12", "MOS 1.2")
|
||||
ROMX_LOAD("mos12.i023", 0, 0x2000, CRC(ec134953) SHA1(a02125d8ebcda48aa784adbb42a8b2d7ef3a4b77), ROM_BIOS(0))
|
||||
ROMX_LOAD("mos12.i023", 0x0000, 0x2000, CRC(ec134953) SHA1(a02125d8ebcda48aa784adbb42a8b2d7ef3a4b77), ROM_BIOS(0))
|
||||
ROM_SYSTEM_BIOS(1, "mos121", "MOS 1.21")
|
||||
ROMX_LOAD("mos121.i023", 0, 0x2000, CRC(a746eeb6) SHA1(f75aaaa777d0fd92225acba291f6bf428b341d3e), ROM_BIOS(1))
|
||||
ROMX_LOAD("mos121.i023", 0x0000, 0x2000, CRC(a746eeb6) SHA1(f75aaaa777d0fd92225acba291f6bf428b341d3e), ROM_BIOS(1))
|
||||
ROM_RELOAD(0x2000, 0x2000)
|
||||
/* i024 */
|
||||
ROM_FILL(0x4000, 0x4000, 0xff)
|
||||
ROM_END
|
||||
|
||||
ROM_START( einst256 )
|
||||
ROM_REGION(0x8000, "bios", 0)
|
||||
ROM_LOAD("tc256.rom", 0x0000, 0x4000, BAD_DUMP CRC(ef8dad88) SHA1(eb2102d3bef572db7161c26a7c68a5fcf457b4d0) )
|
||||
ROM_REGION(0x8000, "bios", ROMREGION_ERASEFF)
|
||||
/* i008 */
|
||||
ROM_LOAD("mos21.i008", 0x0000, 0x4000, CRC(d1bb5efc) SHA1(9168df70af6746c88748049d1b9d119a29e605de) )
|
||||
ROM_END
|
||||
|
||||
|
||||
@ -711,4 +994,4 @@ ROM_END
|
||||
|
||||
// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
|
||||
COMP( 1984, einstein, 0, 0, einstein, einstein, einstein_state, empty_init, "Tatung", "Einstein TC-01", 0 )
|
||||
COMP( 1986, einst256, 0, 0, einstein, einstein, einstein_state, empty_init, "Tatung", "Einstein 256", MACHINE_NOT_WORKING )
|
||||
COMP( 1986, einst256, 0, 0, einst256, einst256, einstein_state, empty_init, "Tatung", "Einstein 256", 0 )
|
||||
|
||||
Loading…
Reference in New Issue
Block a user