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-rw-r--r--src/mame/drivers/cvicny.cpp157
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diff --git a/src/mame/drivers/cvicny.cpp b/src/mame/drivers/cvicny.cpp
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--- a/src/mame/drivers/cvicny.cpp
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-// license:BSD-3-Clause
-// copyright-holders:Robbbert
-/***************************************************************************
-
- CVICNY8080 - Practice-z80 - a homebrew from Czechoslavakia.
-
- More data at :
- http://www.nostalcomp.cz/cvicny8080.php
-
- 21/OCT/2011 New working driver. [Robbbert]
-
- Keys:
- 0-9,A-F : hexadecimal numbers
- ADR : enter an address to work with. After the 4 digits are entered,
- the data at that address shows, and you can modify the data.
- + (inc) : Enter the data into memory, and increment the address by 1.
- GO : execute the program located at the current address.
-
- Pasting:
- 0-F : as is
- + (inc) : ^
- ADR : -
- GO : X
-
- Test Paste:
- 11^22^33^44^55^66^77^88^99^-0800
- Now press up-arrow to confirm the data has been entered.
-
- ToDo:
- - When ADR is pressed, sometimes a segment stays alight. Bug?
- - Blank the display if digits aren't being refreshed
-
-****************************************************************************/
-
-#include "emu.h"
-#include "cpu/z80/z80.h"
-#include "cvicny.lh"
-
-class cvicny_state : public driver_device
-{
-public:
- cvicny_state(const machine_config &mconfig, device_type type, const char *tag)
- : driver_device(mconfig, type, tag)
- , m_digit_last(0)
- , m_maincpu(*this, "maincpu")
- , m_digits(*this, "digit%u", 0U)
- { }
-
- void cvicny(machine_config &config);
- void cvicny_mem(address_map &map);
- DECLARE_READ8_MEMBER(key_r);
- DECLARE_WRITE8_MEMBER(digit_w);
- DECLARE_WRITE8_MEMBER(segment_w );
-private:
- uint8_t m_digit;
- uint8_t m_digit_last;
- virtual void machine_start() override { m_digits.resolve(); }
- required_device<cpu_device> m_maincpu;
- output_finder<8> m_digits;
-};
-
-WRITE8_MEMBER( cvicny_state::segment_w ) // output segments on the selected digit
-{
- if (m_digit != m_digit_last)
- m_digits[m_digit] = data;
-
- m_digit_last = m_digit;
-}
-
-WRITE8_MEMBER( cvicny_state::digit_w ) // set keyboard scanning row; set digit to display
-{
- m_digit = data & 7;
-}
-
-READ8_MEMBER( cvicny_state::key_r )
-{
- uint8_t data;
- char kbdrow[6];
- sprintf(kbdrow,"X%d",m_digit);
- data = ioport(kbdrow)->read();
- return ((data << 4) ^ 0xf0) | data;
-}
-
-void cvicny_state::cvicny_mem(address_map &map)
-{
- map.unmap_value_high();
- map(0x0000, 0x07ff).rom(); // 1 x 2716
- map(0x0800, 0x0bff).ram().mirror(0x400); // 2x 2114 static ram
- map(0x1000, 0x17ff).r(FUNC(cvicny_state::key_r));
- map(0x1800, 0x1fff).w(FUNC(cvicny_state::digit_w));
- map(0x2000, 0x27ff).w(FUNC(cvicny_state::segment_w));
-}
-
-
-/* Input ports */
-static INPUT_PORTS_START( cvicny )
- PORT_START("X0")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("3") PORT_CODE(KEYCODE_3) PORT_CHAR('3')
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("7") PORT_CODE(KEYCODE_7) PORT_CHAR('7')
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("B") PORT_CODE(KEYCODE_B) PORT_CHAR('B')
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_CHAR('F')
-
- PORT_START("X1")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("2") PORT_CODE(KEYCODE_2) PORT_CHAR('2')
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("6") PORT_CODE(KEYCODE_6) PORT_CHAR('6')
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("A") PORT_CODE(KEYCODE_A) PORT_CHAR('A')
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_CHAR('E')
-
- PORT_START("X2")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("1") PORT_CODE(KEYCODE_1) PORT_CHAR('1')
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("5") PORT_CODE(KEYCODE_5) PORT_CHAR('5')
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("9") PORT_CODE(KEYCODE_9) PORT_CHAR('9')
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_CHAR('D')
-
- PORT_START("X3")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("0") PORT_CODE(KEYCODE_0) PORT_CHAR('0')
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("4") PORT_CODE(KEYCODE_4) PORT_CHAR('4')
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("8") PORT_CODE(KEYCODE_8) PORT_CHAR('8')
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("C") PORT_CODE(KEYCODE_C) PORT_CHAR('C')
-
- PORT_START("X4")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("+") PORT_CODE(KEYCODE_UP) PORT_CHAR('^')
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("ADR") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-')
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("GO") PORT_CODE(KEYCODE_X) PORT_CHAR('X')
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNUSED )
-
- PORT_START("X5")
- PORT_BIT( 0x0F, IP_ACTIVE_LOW, IPT_UNUSED )
-
- PORT_START("X6")
- PORT_BIT( 0x0F, IP_ACTIVE_LOW, IPT_UNUSED )
-
- PORT_START("X7")
- PORT_BIT( 0x0F, IP_ACTIVE_LOW, IPT_UNUSED )
-INPUT_PORTS_END
-
-
-void cvicny_state::cvicny(machine_config &config)
-{
- /* basic machine hardware */
- Z80(config, m_maincpu, XTAL(2'000'000));
- m_maincpu->set_addrmap(AS_PROGRAM, &cvicny_state::cvicny_mem);
-
- /* video hardware */
- config.set_default_layout(layout_cvicny);
-}
-
-/* ROM definition */
-ROM_START( cvicny )
- ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
- ROM_LOAD("cvicny8080.bin", 0x0000, 0x05ea, CRC(e6119052) SHA1(d03c2cbfd047f0d090a787fbbde6353593cc2dd8) )
-ROM_END
-
-/* Driver */
-
-// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
-COMP( 1984, cvicny, 0, 0, cvicny, cvicny, cvicny_state, empty_init, "<unknown>", "Practice-z80", MACHINE_NO_SOUND_HW)