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Diffstat (limited to 'src/mame/drivers/pk8020.cpp')
-rw-r--r--src/mame/drivers/pk8020.cpp403
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diff --git a/src/mame/drivers/pk8020.cpp b/src/mame/drivers/pk8020.cpp
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index 2d657481454..00000000000
--- a/src/mame/drivers/pk8020.cpp
+++ /dev/null
@@ -1,403 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Miodrag Milanovic, AJR
-/***************************************************************************
-
-PK-8020 driver by Miodrag Milanovic
- based on work of Sergey Erokhin from pk8020.narod.ru
-
-2008-07-18 Preliminary driver.
-
-Cassette is "best guess", as I was unable to locate any recordings, and
-also do not know the commands to save and load. SAVE and LOAD appear when
-F2 or shift-F2 pressed (in Korvet), but only produce errors.
-
-Status as at 2019-09-18:
-Korvet, Neiva - largely working. Error after running something from B drive.
- - floppy operation is very slow.
-Kontur - needs to boot from a floppy, not working.
-BK8T - Keys to navigate initial config screen are mostly unknown
- (space - change value; Esc - go to next screen).
- - Next screen: wants the date and time. You can press enter here.
- - Wait a while, ignore the big message. You get a menu.
- - Press 1 for a typewriter thing, or 6 for another menu.
- - Not sure about the choices; needs someone who can read Russian.
-
-
-****************************************************************************/
-
-
-#include "emu.h"
-#include "includes/pk8020.h"
-
-#include "bus/rs232/rs232.h"
-#include "cpu/i8085/i8085.h"
-#include "machine/clock.h"
-#include "machine/i8255.h"
-#include "machine/pit8253.h"
-#include "formats/pk8020_dsk.h"
-#include "screen.h"
-#include "softlist.h"
-#include "speaker.h"
-
-/* Address maps */
-void pk8020_state::pk8020_mem(address_map &map)
-{
- map(0x0000, 0xffff).rw(FUNC(pk8020_state::memory_r), FUNC(pk8020_state::memory_w));
-}
-
-void pk8020_state::pk8020_io(address_map &map)
-{
- map.global_mask(0xff);
- map.unmap_value_high();
-}
-
-void pk8020_state::devices_map(address_map &map)
-{
- map(0x00, 0x03).mirror(4).rw("ct", FUNC(pit8253_device::read), FUNC(pit8253_device::write));
- map(0x08, 0x0b).mirror(4).rw("iop3", FUNC(i8255_device::read), FUNC(i8255_device::write));
- map(0x10, 0x11).mirror(6).rw("ios1", FUNC(i8251_device::read), FUNC(i8251_device::write));
- map(0x18, 0x1b).mirror(4).rw(m_fdc, FUNC(fd1793_device::read), FUNC(fd1793_device::write));
- map(0x20, 0x21).mirror(6).rw("ios2", FUNC(i8251_device::read), FUNC(i8251_device::write));
- map(0x28, 0x29).mirror(6).rw(m_inr, FUNC(pic8259_device::read), FUNC(pic8259_device::write));
- map(0x30, 0x33).mirror(4).rw("iop2", FUNC(i8255_device::read), FUNC(i8255_device::write));
- map(0x38, 0x3b).mirror(4).rw("iop1", FUNC(i8255_device::read), FUNC(i8255_device::write));
-}
-
-/* Input ports */
-static INPUT_PORTS_START( pk8020 )
- PORT_START("LINE0")
- PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("@") PORT_CODE(KEYCODE_F9)
- PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("A") PORT_CODE(KEYCODE_A)
- PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("B") PORT_CODE(KEYCODE_B)
- PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("C") PORT_CODE(KEYCODE_C)
- PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("D") PORT_CODE(KEYCODE_D)
- PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E") PORT_CODE(KEYCODE_E)
- PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F") PORT_CODE(KEYCODE_F)
- PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("G") PORT_CODE(KEYCODE_G)
-
- PORT_START("LINE1")
- PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("H") PORT_CODE(KEYCODE_H)
- PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("I") PORT_CODE(KEYCODE_I)
- PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("J") PORT_CODE(KEYCODE_J)
- PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("K") PORT_CODE(KEYCODE_K)
- PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("L") PORT_CODE(KEYCODE_L)
- PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("M") PORT_CODE(KEYCODE_M)
- PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("N") PORT_CODE(KEYCODE_N)
- PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("O") PORT_CODE(KEYCODE_O)
-
- PORT_START("LINE2")
- PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("P") PORT_CODE(KEYCODE_P)
- PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Q") PORT_CODE(KEYCODE_Q)
- PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("R") PORT_CODE(KEYCODE_R)
- PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("S") PORT_CODE(KEYCODE_S)
- PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("T") PORT_CODE(KEYCODE_T)
- PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("U") PORT_CODE(KEYCODE_U)
- PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("V") PORT_CODE(KEYCODE_V)
- PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("W") PORT_CODE(KEYCODE_W)
-
- PORT_START("LINE3")
- PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("X") PORT_CODE(KEYCODE_X)
- PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Y") PORT_CODE(KEYCODE_Y)
- PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Z") PORT_CODE(KEYCODE_Z)
- PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("[") PORT_CODE(KEYCODE_OPENBRACE)
- PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("\\") PORT_CODE(KEYCODE_BACKSLASH)
- PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("]") PORT_CODE(KEYCODE_CLOSEBRACE)
- PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("^") PORT_CODE(KEYCODE_TILDE)
- PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("_") PORT_CODE(KEYCODE_EQUALS)
-
- PORT_START("LINE4")
- PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("0") PORT_CODE(KEYCODE_0)
- PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("1") PORT_CODE(KEYCODE_1)
- PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("2") PORT_CODE(KEYCODE_2)
- PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("3") PORT_CODE(KEYCODE_3)
- PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("4") PORT_CODE(KEYCODE_4)
- PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("5") PORT_CODE(KEYCODE_5)
- PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("6") PORT_CODE(KEYCODE_6)
- PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("7") PORT_CODE(KEYCODE_7)
-
- PORT_START("LINE5")
- PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("8") PORT_CODE(KEYCODE_8)
- PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("9") PORT_CODE(KEYCODE_9)
- PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(":") PORT_CODE(KEYCODE_QUOTE)
- PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(";") PORT_CODE(KEYCODE_COLON)
- PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(",") PORT_CODE(KEYCODE_COMMA)
- PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("-") PORT_CODE(KEYCODE_MINUS)
- PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(".") PORT_CODE(KEYCODE_STOP)
- PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("?") PORT_CODE(KEYCODE_SLASH)
-
- PORT_START("LINE6")
- PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Enter") PORT_CODE(KEYCODE_ENTER)
- PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("STRN") PORT_CODE(KEYCODE_MINUS_PAD)
- PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("STOP") PORT_CODE(KEYCODE_F12)
- PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("IZ") PORT_CODE(KEYCODE_ASTERISK)
- PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("VZ") PORT_CODE(KEYCODE_SLASH_PAD)
- PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Backspace") PORT_CODE(KEYCODE_BACKSPACE)
- PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Tab") PORT_CODE(KEYCODE_TAB)
- PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Space") PORT_CODE(KEYCODE_SPACE)
-
- PORT_START("LINE7")
- // All keys in this line are reversed logic
- PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Left Shift") PORT_CODE(KEYCODE_LSHIFT)
- PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Alf") PORT_CODE(KEYCODE_F11)
- PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Graf") PORT_CODE(KEYCODE_F10)
- PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Prf") PORT_CODE(KEYCODE_ESC)
- PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Sel") PORT_CODE(KEYCODE_RCONTROL)
- PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Upr") PORT_CODE(KEYCODE_LCONTROL)
- PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("OO") PORT_CODE(KEYCODE_LALT)
- PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Right Shift") PORT_CODE(KEYCODE_RSHIFT)
-
- PORT_START("LINE8")
- PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Num 0") PORT_CODE(KEYCODE_0_PAD)
- PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Num 1") PORT_CODE(KEYCODE_1_PAD)
- PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Num 2") PORT_CODE(KEYCODE_2_PAD)
- PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Num 3") PORT_CODE(KEYCODE_3_PAD)
- PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Num 4") PORT_CODE(KEYCODE_4_PAD)
- PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Num 5") PORT_CODE(KEYCODE_5_PAD)
- PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Num 6") PORT_CODE(KEYCODE_6_PAD)
- PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Num 7") PORT_CODE(KEYCODE_7_PAD)
-
- PORT_START("LINE9")
- PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Num 8") PORT_CODE(KEYCODE_8_PAD)
- PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Num 9") PORT_CODE(KEYCODE_9_PAD)
- PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
- PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED)
- PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED)
- PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
- PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Num .") PORT_CODE(KEYCODE_DEL_PAD)
- PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
-
- PORT_START("LINE10")
- PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F1") PORT_CODE(KEYCODE_F1)
- PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F2") PORT_CODE(KEYCODE_F2)
- PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F3") PORT_CODE(KEYCODE_F3)
- PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F4") PORT_CODE(KEYCODE_F4)
- PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F5") PORT_CODE(KEYCODE_F5)
- PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
- PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED)
- PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
-
- PORT_START("LINE11")
- PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED)
-
- PORT_START("LINE12")
- PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED)
-
- PORT_START("LINE13")
- PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED)
-
- PORT_START("LINE14")
- PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED)
-
- PORT_START("LINE15")
- PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED)
-INPUT_PORTS_END
-
-
-/* F4 Character Displayer */
-static const gfx_layout pk8020_charlayout =
-{
- 8, 16, /* 8 x 16 characters */
- 512, /* 512 characters */
- 1, /* 1 bits per pixel */
- { 0 }, /* no bitplanes */
- /* x offsets */
- { 0, 1, 2, 3, 4, 5, 6, 7 },
- /* y offsets */
- { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8, 8*8, 9*8, 10*8, 11*8, 12*8, 13*8, 14*8, 15*8 },
- 8*16 /* every char takes 16 bytes */
-};
-
-static GFXDECODE_START( gfx_pk8020 )
- GFXDECODE_ENTRY( "gfx1", 0x0000, pk8020_charlayout, 0, 4 )
-GFXDECODE_END
-
-
-void pk8020_state::floppy_formats(format_registration &fr)
-{
- fr.add_mfm_containers();
- fr.add(FLOPPY_PK8020_FORMAT);
-}
-
-static void pk8020_floppies(device_slot_interface &device)
-{
- device.option_add("qd", FLOPPY_525_QD);
-}
-
-/*
- * interrupts
- *
- * 0 external devices
- * 1 uart rx ready
- * 2 uart tx ready
- * 3 lan
- * 4 vblank
- * 5 timer ch2
- * 6 printer
- * 7 floppy
- */
-/* Machine driver */
-void pk8020_state::pk8020(machine_config &config)
-{
- /* basic machine hardware */
- i8080a_cpu_device &maincpu(I8080A(config, m_maincpu, 20_MHz_XTAL / 8)); // КР580ВМ80А
- maincpu.set_addrmap(AS_PROGRAM, &pk8020_state::pk8020_mem);
- maincpu.set_addrmap(AS_IO, &pk8020_state::pk8020_io);
- maincpu.set_vblank_int("screen", FUNC(pk8020_state::pk8020_interrupt));
- maincpu.in_inta_func().set("inr", FUNC(pic8259_device::acknowledge));
-
- PLS100(config, m_decplm); // КР556РТ2 (82S100 equivalent; D31)
-
- ADDRESS_MAP_BANK(config, m_devbank);
- m_devbank->set_addrmap(0, &pk8020_state::devices_map);
- m_devbank->set_data_width(8);
- m_devbank->set_addr_width(6);
-
- /* video hardware */
- screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
- screen.set_raw(20_MHz_XTAL / 2, 640, 0, 512, 312, 0, 256);
- screen.set_screen_update(FUNC(pk8020_state::screen_update_pk8020));
- screen.set_palette(m_palette);
-
- GFXDECODE(config, "gfxdecode", m_palette, gfx_pk8020);
- PALETTE(config, m_palette, FUNC(pk8020_state::pk8020_palette), 16);
-
- i8255_device &iop1(I8255(config, "iop1")); // КР580ВВ55А (D17)
- iop1.in_pa_callback().set(FUNC(pk8020_state::ppi_porta_r));
- iop1.out_pb_callback().set(FUNC(pk8020_state::floppy_control_w));
- iop1.out_pc_callback().set(FUNC(pk8020_state::video_page_w));
-
- i8255_device &iop2(I8255(config, "iop2")); // КР580ВВ55А (D16)
- iop2.out_pa_callback().set(m_printer, FUNC(centronics_device::write_data0)).bit(0).invert();
- iop2.out_pa_callback().append(m_printer, FUNC(centronics_device::write_data1)).bit(1).invert();
- iop2.out_pa_callback().append(m_printer, FUNC(centronics_device::write_data2)).bit(2).invert();
- iop2.out_pa_callback().append(m_printer, FUNC(centronics_device::write_data3)).bit(3).invert();
- iop2.out_pa_callback().append(m_printer, FUNC(centronics_device::write_data4)).bit(4).invert();
- iop2.out_pa_callback().append(m_printer, FUNC(centronics_device::write_data5)).bit(5).invert();
- iop2.out_pa_callback().append(m_printer, FUNC(centronics_device::write_data6)).bit(6).invert();
- iop2.out_pa_callback().append(m_printer, FUNC(centronics_device::write_data7)).bit(7).invert();
- iop2.out_pc_callback().set(FUNC(pk8020_state::ppi_2_portc_w));
-
- I8255(config, "iop3"); // КР580ВВ55А (D2)
-
- pit8253_device &ct(PIT8253(config, "ct")); // КР580ВИ53
- ct.set_clk<0>(20_MHz_XTAL / 10);
- ct.out_handler<0>().set(FUNC(pk8020_state::pit_out0));
- ct.set_clk<1>(20_MHz_XTAL / 10);
- ct.out_handler<1>().set("ios1", FUNC(i8251_device::write_txc));
- ct.out_handler<1>().append("ios1", FUNC(i8251_device::write_rxc));
- ct.set_clk<2>((20_MHz_XTAL / 8) / 164);
- ct.out_handler<2>().set(m_inr, FUNC(pic8259_device::ir5_w));
-
- PIC8259(config, m_inr); // КР580ВН59
- m_inr->out_int_callback().set_inputline(m_maincpu, 0);
-
- i8251_device &ios1(I8251(config, "ios1", 20_MHz_XTAL / 10)); // КР580ВВ51А (D10)
- ios1.txd_handler().set("v24", FUNC(rs232_port_device::write_txd));
- ios1.dtr_handler().set("v24", FUNC(rs232_port_device::write_rts));
- ios1.rxrdy_handler().set(m_inr, FUNC(pic8259_device::ir1_w));
- ios1.txrdy_handler().set(m_inr, FUNC(pic8259_device::ir2_w));
-
- rs232_port_device &v24(RS232_PORT(config, "v24", default_rs232_devices, nullptr));
- v24.rxd_handler().set("ios1", FUNC(i8251_device::write_rxd));
- v24.dsr_handler().set("ios1", FUNC(i8251_device::write_dsr));
-
- i8251_device &ios2(I8251(config, "ios2", 20_MHz_XTAL / 10)); // КР580ВВ51А (D11)
- ios2.txd_handler().set("line", FUNC(rs232_port_device::write_txd));
- ios2.rxrdy_handler().set(m_inr, FUNC(pic8259_device::ir3_w));
-
- rs232_port_device &line(RS232_PORT(config, "line", default_rs232_devices, nullptr));
- line.rxd_handler().set("ios2", FUNC(i8251_device::write_rxd));
-
- clock_device &c1(CLOCK(config, "c1", 20_MHz_XTAL / 8 / 4));
- c1.signal_handler().set("ios2", FUNC(i8251_device::write_txc));
- c1.signal_handler().append("ios2", FUNC(i8251_device::write_rxc));
-
- KR1818VG93(config, m_fdc, 20_MHz_XTAL / 20); // КР1818ВГ93
- m_fdc->intrq_wr_callback().set(m_inr, FUNC(pic8259_device::ir7_w));
-
- for (auto &floppy : m_floppy)
- FLOPPY_CONNECTOR(config, floppy, pk8020_floppies, "qd", pk8020_state::floppy_formats);
-
- SOFTWARE_LIST(config, "flop_list").set_original("korvet_flop");
-
- /* audio hardware */
- SPEAKER(config, "mono").front_center();
- SPEAKER_SOUND(config, "speaker").add_route(ALL_OUTPUTS, "mono", 0.50);
-
- CASSETTE(config, m_cass);
- m_cass->set_default_state(CASSETTE_STOPPED | CASSETTE_MOTOR_ENABLED | CASSETTE_SPEAKER_ENABLED);
- m_cass->add_route(ALL_OUTPUTS, "mono", 0.05);
-
- CENTRONICS(config, m_printer, centronics_devices, nullptr);
- m_printer->busy_handler().set(m_inr, FUNC(pic8259_device::ir6_w)).invert();
-
- /* internal ram */
- RAM(config, RAM_TAG).set_default_size("258K").set_default_value(0x00); // 64 + 4*48 + 2 = 258
-}
-
-/* ROM definition */
-
-ROM_START( korvet )
- ROM_REGION(0x6000, "maincpu", ROMREGION_ERASEFF)
- ROM_DEFAULT_BIOS("v11")
- ROM_SYSTEM_BIOS(0, "v11", "v1.1")
- ROMX_LOAD("korvet11.rom", 0x0000, 0x6000, CRC(81bdc2af) SHA1(c3484c3f1f3d252475979283c073286b8661d2b9), ROM_BIOS(0))
- ROM_SYSTEM_BIOS(1, "v20", "v2.0")
- ROMX_LOAD("korvet20.rom", 0x0000, 0x6000, CRC(d6c36a45) SHA1(dba67e63457251814ad5c0fe6bb6d584eea5c7d2), ROM_BIOS(1))
- ROM_SYSTEM_BIOS(2, "cpm", "cpm")
- ROMX_LOAD("cpm.rom", 0x0000, 0x4000, CRC(7a38d7f6) SHA1(fec6623291a38990b003e818683cd5edfb494c36), ROM_BIOS(2))
-
- ROM_REGION(0x2000, "gfx1", 0)
- ROM_LOAD("korvet2.fnt", 0x0000, 0x2000, CRC(fb1cd3d4) SHA1(58f1d6e393253b1e8b497ce0880b6eff6d85b42a))
-
- ROM_REGION(0xf5, "decplm", 0)
- ROM_LOAD("kr556rt2.d31", 0x00, 0xf5, CRC(3eae3879) SHA1(87f419e26d73d7b2f937c3fcae0415b74da37d97) BAD_DUMP) // devised from documentation
-ROM_END
-
-ROM_START( neiva )
- ROM_REGION(0x6000, "maincpu", ROMREGION_ERASEFF)
- ROM_LOAD("neiva_d22.bin", 0x0000, 0x2000, CRC(9cc28f67) SHA1(68f390e846e1290df68419d522088d5325682945))
- ROM_LOAD("neiva_d23.bin", 0x2000, 0x2000, CRC(31b53dc4) SHA1(607f2a2d8b1de469125c6c02b9ffc65649b753a2))
- ROM_LOAD("neiva_d24.bin", 0x4000, 0x2000, CRC(d05c80df) SHA1(1ec2fa9983be5579abff7247fc9b98fe50661bd9))
-
- ROM_REGION(0x2000, "gfx1", 0)
- ROM_LOAD("neiva_d21.bin", 0x0000, 0x2000, CRC(fb1cd3d4) SHA1(58f1d6e393253b1e8b497ce0880b6eff6d85b42a))
-
- ROM_REGION(0xf5, "decplm", 0)
- ROM_LOAD("kr556rt2.d31", 0x00, 0xf5, CRC(3eae3879) SHA1(87f419e26d73d7b2f937c3fcae0415b74da37d97) BAD_DUMP)
-ROM_END
-
-ROM_START( kontur )
- ROM_REGION(0x6000, "maincpu", ROMREGION_ERASEFF)
- ROM_SYSTEM_BIOS(0, "v1", "v1")
- ROMX_LOAD("kontur.rom", 0x0000, 0x2000, CRC(92cd441e) SHA1(9a0f9079256cefc6169ae4ba2114841d1f380480), ROM_BIOS(0))
- ROM_SYSTEM_BIOS(1, "v2", "v2")
- ROMX_LOAD("kontur2.rom", 0x0000, 0x2000, CRC(5256d101) SHA1(22022a3c6882dbc5ea28d7815f00c182bbaef9e1), ROM_BIOS(1))
-
- ROM_REGION(0x2000, "gfx1", 0)
- ROM_LOAD("kontur.fnt", 0x0000, 0x2000, CRC(14d33790) SHA1(6d5fcb214805c5fc44ef98a97219158ff7826ac0))
-
- ROM_REGION(0xf5, "decplm", 0)
- ROM_LOAD("kr556rt2.d31", 0x00, 0xf5, CRC(3eae3879) SHA1(87f419e26d73d7b2f937c3fcae0415b74da37d97) BAD_DUMP)
-ROM_END
-
-ROM_START( bk8t )
- ROM_REGION(0x6000, "maincpu", ROMREGION_ERASEFF)
- ROM_LOAD("kor1.bin", 0x0000, 0x2000, CRC(f1e16ddc) SHA1(e3a10c9ce3f333928eb0d5f9b84e159e41fae6ca))
- ROM_LOAD("kor2.bin", 0x2000, 0x2000, CRC(d4431d97) SHA1(08f79785846369d410a4183f0d60b856d6d70199))
- ROM_LOAD("kor3.bin", 0x4000, 0x2000, CRC(74781903) SHA1(caaa638afe80eb83fc30b07dd6d1e40b66ddc6d1))
-
- ROM_REGION(0x2000, "gfx1", 0)
- ROM_LOAD("kor4.bin", 0x0000, 0x2000, CRC(d164bada) SHA1(c334e50fd31b1f42c7668b89772487971a6875cb))
-
- ROM_REGION(0xf5, "decplm", 0)
- ROM_LOAD("kr556rt2.d31", 0x00, 0xf5, CRC(3eae3879) SHA1(87f419e26d73d7b2f937c3fcae0415b74da37d97) BAD_DUMP)
-ROM_END
-
-/* Driver */
-
-/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */
-COMP( 1987, korvet, 0, 0, pk8020, pk8020, pk8020_state, empty_init, "<unknown>", "PK8020 Korvet", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE)
-COMP( 1987, neiva, korvet, 0, pk8020, pk8020, pk8020_state, empty_init, "<unknown>", "PK8020 Neiva", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE)
-COMP( 1987, kontur, korvet, 0, pk8020, pk8020, pk8020_state, empty_init, "<unknown>", "PK8020 Kontur", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE)
-COMP( 1987, bk8t, korvet, 0, pk8020, pk8020, pk8020_state, empty_init, "<unknown>", "BK-8T", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE)