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-rw-r--r--src/mame/drivers/babbage.cpp283
1 files changed, 0 insertions, 283 deletions
diff --git a/src/mame/drivers/babbage.cpp b/src/mame/drivers/babbage.cpp
deleted file mode 100644
index 74d520744ac..00000000000
--- a/src/mame/drivers/babbage.cpp
+++ /dev/null
@@ -1,283 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Robbbert
-/***************************************************************************
-
- Babbage-2nd skeleton driver (19/OCT/2011)
-
- http://takeda-toshiya.my.coocan.jp/babbage/index.html
-
- Pasting:
- 0-F : as is
- INC : ^
- AD : -
- DA : =
- GO : X
-
- Here is a test program to turn on the LEDs.
- Copy the text and Paste into the emulator.
- =3E^=0F^=D3^=13^=3E^=07^=D3^=13^=3E^=00^=D3^=12^=76^-1000X
-
-
-***************************************************************************/
-
-#include "emu.h"
-#include "cpu/z80/z80.h"
-#include "machine/timer.h"
-#include "machine/z80ctc.h"
-#include "machine/z80pio.h"
-#include "machine/z80daisy.h"
-#include "video/pwm.h"
-#include "babbage.lh"
-
-#define MAIN_CLOCK 25e5
-
-class babbage_state : public driver_device
-{
-public:
- babbage_state(const machine_config &mconfig, device_type type, const char *tag)
- : driver_device(mconfig, type, tag)
- , m_maincpu(*this, "maincpu")
- , m_pio(*this, "z80pio_%u", 1U)
- , m_ctc(*this, "z80ctc")
- , m_display(*this, "display")
- , m_io_keyboard(*this, "X%u", 0U)
- , m_leds(*this, "led%u", 0U)
- { }
-
- void babbage(machine_config &config);
-
-protected:
- virtual void machine_start() override;
-
-private:
- uint8_t pio2_a_r();
- void pio1_b_w(uint8_t data);
- void pio2_b_w(uint8_t data);
- DECLARE_WRITE_LINE_MEMBER(ctc_z0_w);
- DECLARE_WRITE_LINE_MEMBER(ctc_z1_w);
- DECLARE_WRITE_LINE_MEMBER(ctc_z2_w);
- TIMER_DEVICE_CALLBACK_MEMBER(keyboard_callback);
-
- void babbage_io(address_map &map);
- void babbage_map(address_map &map);
-
- uint8_t m_seg;
- uint8_t m_key;
- uint8_t m_prev_key;
- bool m_step;
-
- required_device<z80_device> m_maincpu;
- required_device_array<z80pio_device, 2> m_pio;
- required_device<z80ctc_device> m_ctc;
- required_device<pwm_display_device> m_display;
- required_ioport_array<4> m_io_keyboard;
- output_finder<8> m_leds;
-};
-
-
-
-/***************************************************************************
-
- Address Map
-
-***************************************************************************/
-
-void babbage_state::babbage_map(address_map &map)
-{
- map.global_mask(0x3fff);
- map(0x0000, 0x07ff).rom();
- map(0x1000, 0x17ff).ram();
-}
-
-void babbage_state::babbage_io(address_map &map)
-{
- map.global_mask(0xff);
- map(0x00, 0x03).rw(m_ctc, FUNC(z80ctc_device::read), FUNC(z80ctc_device::write));
- map(0x10, 0x13).rw(m_pio[0], FUNC(z80pio_device::read_alt), FUNC(z80pio_device::write_alt));
- map(0x20, 0x23).rw(m_pio[1], FUNC(z80pio_device::read_alt), FUNC(z80pio_device::write_alt));
-}
-
-
-
-/**************************************************************************
-
- Keyboard Layout
-
-***************************************************************************/
-
-// no idea of the actual key matrix
-static INPUT_PORTS_START( babbage )
- PORT_START("X0")
- PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("0") PORT_CODE(KEYCODE_0) PORT_CHAR('0')
- PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("4") PORT_CODE(KEYCODE_4) PORT_CHAR('4')
- PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("8") PORT_CODE(KEYCODE_8) PORT_CHAR('8')
- PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("C") PORT_CODE(KEYCODE_C) PORT_CHAR('C')
- PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("GO") PORT_CODE(KEYCODE_X) PORT_CHAR('X')
-
- PORT_START("X1")
- PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("1") PORT_CODE(KEYCODE_1) PORT_CHAR('1')
- PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("5") PORT_CODE(KEYCODE_5) PORT_CHAR('5')
- PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("9") PORT_CODE(KEYCODE_9) PORT_CHAR('9')
- PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_CHAR('D')
- PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("AD") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-')
-
- PORT_START("X2")
- PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("2") PORT_CODE(KEYCODE_2) PORT_CHAR('2')
- PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("6") PORT_CODE(KEYCODE_6) PORT_CHAR('6')
- PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("A") PORT_CODE(KEYCODE_A) PORT_CHAR('A')
- PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_CHAR('E')
- PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("DA") PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=')
-
- PORT_START("X3")
- PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("3") PORT_CODE(KEYCODE_3) PORT_CHAR('3')
- PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("7") PORT_CODE(KEYCODE_7) PORT_CHAR('7')
- PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("B") PORT_CODE(KEYCODE_B) PORT_CHAR('B')
- PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_CHAR('F')
- PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("INC") PORT_CODE(KEYCODE_UP) PORT_CHAR('^')
-INPUT_PORTS_END
-
-/* Z80-CTC Interface */
-
-WRITE_LINE_MEMBER( babbage_state::ctc_z0_w )
-{
-}
-
-WRITE_LINE_MEMBER( babbage_state::ctc_z1_w )
-{
-}
-
-WRITE_LINE_MEMBER( babbage_state::ctc_z2_w )
-{
-}
-
-/* Z80-PIO Interface */
-
-// The 8 LEDs
-// bios never writes here - you need to set PIO for output yourself - see test program above
-void babbage_state::pio1_b_w(uint8_t data)
-{
- for (int i = 0; i < 8; i++)
- m_leds[i] = BIT(data, i);
-}
-
-uint8_t babbage_state::pio2_a_r()
-{
- if (!machine().side_effects_disabled())
- m_maincpu->set_input_line(0, CLEAR_LINE); // release interrupt
- return m_key;
-}
-
-void babbage_state::pio2_b_w(uint8_t data)
-{
- if (BIT(data, 7))
- m_step = false;
- else
- if (!m_step)
- {
- m_seg = data;
- m_step = true;
- }
- else
- m_display->matrix(data, m_seg);
-}
-
-static const z80_daisy_config babbage_daisy_chain[] =
-{// need to check the order
- { "z80pio_1" },
- { "z80pio_2" },
- { "z80ctc" },
- { nullptr }
-};
-
-TIMER_DEVICE_CALLBACK_MEMBER(babbage_state::keyboard_callback)
-{
- u8 inp, data = 0xff;
-
- for (u8 i = 0; i < 4; i++)
- {
- inp = m_io_keyboard[i]->read();
-
- for (u8 j = 0; j < 5; j++)
- if (BIT(inp, j))
- data = (j << 2) | i;
- }
-
- /* make sure only one keystroke */
- if (data != m_prev_key)
- m_prev_key = data;
- else
- data = 0xff;
-
- /* while key is down, activate strobe. When key released, deactivate strobe which causes an interrupt */
- if (data < 0xff)
- {
- m_key = data;
- m_pio[1]->strobe(0, 0);
- }
- else
- m_pio[1]->strobe(0, 1);
-}
-
-void babbage_state::machine_start()
-{
- m_leds.resolve();
-
- save_item(NAME(m_seg));
- save_item(NAME(m_key));
- save_item(NAME(m_prev_key));
- save_item(NAME(m_step));
-}
-
-/***************************************************************************
-
- Machine driver
-
-***************************************************************************/
-
-void babbage_state::babbage(machine_config &config)
-{
- /* basic machine hardware */
- Z80(config, m_maincpu, MAIN_CLOCK); //2.5MHz
- m_maincpu->set_addrmap(AS_PROGRAM, &babbage_state::babbage_map);
- m_maincpu->set_addrmap(AS_IO, &babbage_state::babbage_io);
- m_maincpu->set_daisy_config(babbage_daisy_chain);
-
- /* video hardware */
- config.set_default_layout(layout_babbage);
- PWM_DISPLAY(config, m_display).set_size(6, 8);
- m_display->set_segmask(0x3f, 0xff);
-
- /* Devices */
- Z80CTC(config, m_ctc, MAIN_CLOCK);
- m_ctc->intr_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0);
- m_ctc->zc_callback<0>().set(FUNC(babbage_state::ctc_z0_w));
- m_ctc->zc_callback<1>().set(FUNC(babbage_state::ctc_z1_w));
- m_ctc->zc_callback<2>().set(FUNC(babbage_state::ctc_z2_w));
-
- Z80PIO(config, m_pio[0], MAIN_CLOCK);
- m_pio[0]->out_int_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0);
- m_pio[0]->out_pb_callback().set(FUNC(babbage_state::pio1_b_w));
-
- Z80PIO(config, m_pio[1], MAIN_CLOCK);
- m_pio[1]->out_int_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0);
- m_pio[1]->in_pa_callback().set(FUNC(babbage_state::pio2_a_r));
- m_pio[1]->out_pb_callback().set(FUNC(babbage_state::pio2_b_w));
-
- TIMER(config, "keyboard_timer", 0).configure_periodic(FUNC(babbage_state::keyboard_callback), attotime::from_hz(30));
-}
-
-
-/***************************************************************************
-
- Game driver
-
-***************************************************************************/
-
-ROM_START(babbage)
- ROM_REGION(0x0800, "maincpu", ROMREGION_ERASEFF)
- ROM_LOAD("mon.rom", 0x0000, 0x0200, CRC(469bd607) SHA1(8f3489a0f96de6a03b05c1ee01b89d9848f4b152) )
-ROM_END
-
-
-// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
-COMP( 1986, babbage, 0, 0, babbage, babbage, babbage_state, empty_init, "Mr Takafumi Aihara", "Babbage-2nd", MACHINE_NO_SOUND_HW | MACHINE_SUPPORTS_SAVE )