// license: BSD-3-Clause // copyright-holders: Dirk Best /*************************************************************************** Juku E5101 Hardware: - КР580ВМ80A - КР580ИР82 - КР580ВА86 - КР580ВА87 - КР580ВИ53 x3 - КР580ВК38 - КР580ВН59 - КР580ВВ51A x2 - КР580ВВ55A x2 Note: - In the monitor, enter A to start BASIC and T to boot from disk/network TODO: - Display mode 384x200 - Work out how the floppy interface really works - Sound - Tape? - Network? ***************************************************************************/ #include "emu.h" #include "cpu/i8085/i8085.h" #include "machine/74148.h" #include "machine/bankdev.h" #include "machine/i8251.h" #include "machine/i8255.h" #include "machine/pic8259.h" #include "machine/pit8253.h" #include "machine/wd_fdc.h" #include "imagedev/floppy.h" #include "formats/juku_dsk.h" #include "screen.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** class juku_state : public driver_device { public: juku_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu"), m_bank(*this, "bank"), m_pic(*this, "pic"), m_pit(*this, "pit%u", 0U), m_pio(*this, "pio%u", 0U), m_sio(*this, "sio%u", 0U), m_fdc(*this, "fdc"), m_floppy(*this, "fdc:%u", 0U), m_key_encoder(*this, "keyenc"), m_keys(*this, "COL.%u", 0U), m_key_special(*this, "SPECIAL") { } void juku(machine_config &config); protected: virtual void machine_start() override; virtual void machine_reset() override; private: required_device m_maincpu; required_device m_bank; required_device m_pic; required_device_array m_pit; required_device_array m_pio; required_device_array m_sio; required_device m_fdc; required_device_array m_floppy; required_device m_key_encoder; required_ioport_array<16> m_keys; required_ioport m_key_special; void mem_map(address_map &map); void bank_map(address_map &map); void io_map(address_map &map); void pio0_porta_w(uint8_t data); uint8_t pio0_portb_r(); void pio0_portc_w(uint8_t data); uint8_t m_prev_portc; uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); DECLARE_FLOPPY_FORMATS(floppy_formats); void fdc_drq_w(int state); void fdc_cmd_w(uint8_t data); uint8_t fdc_data_r(); void fdc_data_w(uint8_t data); std::unique_ptr m_ram; }; //************************************************************************** // ADDRESS MAPS //************************************************************************** void juku_state::mem_map(address_map &map) { map(0x0000, 0xffff).m(m_bank, FUNC(address_map_bank_device::amap8)); } void juku_state::bank_map(address_map &map) { // memory mode 0 map(0x00000, 0x03fff).rom().region("maincpu", 0); map(0x04000, 0x0ffff).bankrw("ram_4000"); // memory mode 1 map(0x10000, 0x1ffff).bankrw("ram_0000"); map(0x1d800, 0x1ffff).bankr("rom_d800"); // memory mode 2 map(0x20000, 0x23fff).bankrw("ram_0000"); map(0x24000, 0x2bfff).rom().region("basic", 0); map(0x2c000, 0x2ffff).bankrw("ram_c000"); map(0x2d800, 0x2ffff).bankr("rom_d800"); // memory mode 3 map(0x30000, 0x3ffff).bankrw("ram_0000"); } void juku_state::io_map(address_map &map) { map(0x00, 0x01).rw(m_pic, FUNC(pic8259_device::read), FUNC(pic8259_device::write)); map(0x04, 0x07).rw(m_pio[0], FUNC(i8255_device::read), FUNC(i8255_device::write)); map(0x08, 0x0b).rw(m_sio[0], FUNC(i8251_device::read), FUNC(i8251_device::write)); map(0x0c, 0x0f).rw(m_pio[1], FUNC(i8255_device::read), FUNC(i8255_device::write)); map(0x10, 0x13).rw(m_pit[0], FUNC(pit8253_device::read), FUNC(pit8253_device::write)); map(0x14, 0x17).rw(m_pit[1], FUNC(pit8253_device::read), FUNC(pit8253_device::write)); map(0x18, 0x1b).rw(m_pit[2], FUNC(pit8253_device::read), FUNC(pit8253_device::write)); map(0x1c, 0x1f).rw(m_fdc, FUNC(fd1793_device::read), FUNC(fd1793_device::write)); map(0x1c, 0x1c).w(FUNC(juku_state::fdc_cmd_w)); map(0x1f, 0x1f).rw(FUNC(juku_state::fdc_data_r), FUNC(juku_state::fdc_data_w)); // map(0x1c, 0x1d).rw(m_sio[1], FUNC(i8251_device::read), FUNC(i8251_device::write)); } //************************************************************************** // INPUT PORT DEFINITIONS //************************************************************************** static INPUT_PORTS_START( juku ) PORT_START("COL.0") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F6) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) // n N PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) // y Y PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) // 6 & PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) // h H PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("COL.1") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) // x X PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) // w W PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) // 2 " PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) // s S PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("COL.2") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F4) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) // v V PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) // r R PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) // 4 $ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) // f F PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("COL.3") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F1) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TAB) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ESC) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CAPSLOCK) PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("COL.4") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F5) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) // b B PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) // t T PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) // 5 % PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) // g G PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("COL.5") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F2) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) // z Z PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) // q Q PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) // 1 ! PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) // a A PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("COL.6") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F3) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) // c C PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) // e E PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) // 3 # PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) // d D PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("COL.7") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F7) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) // m M PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) // u U PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) // 7 ' PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) // j J PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("COL.8") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DEL) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) // ] õ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSPACE) // ERASE PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("COL.9") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DOWN) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) // [ ö PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH) // Ä Ü PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("COL.10") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_UP) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F9) // õ Õ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F10) // ö Õ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F11) // : * PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("COL.11") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F12) // ; + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) // ü Ü PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) // - = PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) // ä Ä PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("COL.12") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) // / ? PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RIGHT) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) // p P PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) // 0 _ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) // ö Ö PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("COL.13") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) // . > PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LEFT) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) // o O PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) // 9 ) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) // l L PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("COL.14") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F8) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) // , < PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TILDE) // LAT/RUS PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) // i I PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) // 8 ( PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) // k K PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED) // CONTRDAT? PORT_START("COL.15") PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("SPECIAL") PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LCONTROL) INPUT_PORTS_END //************************************************************************** // VIDEO //************************************************************************** uint32_t juku_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect) { for (int y = 0; y < 240; y++) for (int x = 0; x < 320; x++) bitmap.pix32(y, x) = BIT(m_ram[0xd800 + (y * (320 / 8) + x / 8)], 7 - (x % 8)) ? rgb_t::white() : rgb_t::black(); return 0; } //************************************************************************** // FLOPPY DISK //************************************************************************** FLOPPY_FORMATS_MEMBER(juku_state::floppy_formats) FLOPPY_JUKU_FORMAT FLOPPY_FORMATS_END static void juku_floppies(device_slot_interface &device) { device.option_add("525qd", FLOPPY_525_QD); device.option_add("525ssqd", FLOPPY_525_SSQD); } void juku_state::fdc_drq_w(int state) { if (state) m_maincpu->set_input_line(INPUT_LINE_HALT, CLEAR_LINE); } void juku_state::fdc_cmd_w(uint8_t data) { if (BIT(data, 7)) m_maincpu->set_input_line(INPUT_LINE_HALT, ASSERT_LINE); m_fdc->cmd_w(data); } uint8_t juku_state::fdc_data_r() { if (m_fdc->drq_r() == 0) { // cpu tries to read data without drq active. halt it and reset the // pc back to the beginning of the instruction m_maincpu->set_input_line(INPUT_LINE_HALT, ASSERT_LINE); m_maincpu->set_state_int(i8080_cpu_device::I8085_PC, m_maincpu->pc() - 2); return 0; } return m_fdc->data_r(); } void juku_state::fdc_data_w(uint8_t data) { m_fdc->data_w(data); } //************************************************************************** // MACHINE EMULATION //************************************************************************** void juku_state::pio0_porta_w(uint8_t data) { // 7------- stb // -6------ pren // --5----- not used? // ---4---- audc // ----3210 keyboard column for (int i = 0; i < 6; i++) m_key_encoder->input_line_w(i, BIT(m_keys[data & 0x0f]->read(), i)); m_key_encoder->update(); // logerror("porta_w %02x\n", data); } uint8_t juku_state::pio0_portb_r() { // 7------- ctrl // -6------ shift // --54---- not used // ----321- keyboard data // -------0 key pressed uint8_t data = 0; data |= m_key_special->read(); data |= 0x30; data |= m_key_encoder->output_r() << 1; data |= m_key_encoder->output_valid_r(); return data; } void juku_state::pio0_portc_w(uint8_t data) { // 7------- (cas?) pof // -6------ (cas?) stop // --5----- (cas?) rn / floppy drive select // ---4---- (cas?) ff / floppy? // ----3--- (cas?) play // -----2-- (cas?) rec / floppy? // ------10 memory mode for (int i = 2; i < 8; i++) if (BIT(data, i) != BIT(m_prev_portc, i)) logerror("pio0: c%d = %d\n", i, BIT(data, i)); floppy_image_device *floppy = m_floppy[BIT(data, 5)]->get_device(); m_fdc->set_floppy(floppy); // the motor is always running for now floppy->mon_w(0); // m_floppy[0]->get_device()->ss_w(BIT(data, 6)); m_bank->set_bank(data & 0x03); m_prev_portc = data; } void juku_state::machine_start() { m_ram = std::make_unique(0x10000); membank("rom_d800")->set_base(memregion("maincpu")->base() + 0x1800); membank("ram_0000")->set_base(&m_ram[0x0000]); membank("ram_4000")->set_base(&m_ram[0x4000]); membank("ram_c000")->set_base(&m_ram[0xc000]); // register for save states save_pointer(NAME(m_ram), 0x10000); save_item(NAME(m_prev_portc)); } void juku_state::machine_reset() { m_bank->set_bank(0); m_key_encoder->enable_input_w(0); m_prev_portc = 0; } //************************************************************************** // MACHINE DEFINTIONS //************************************************************************** void juku_state::juku(machine_config &config) { // КР580ВМ80A @ 2 MHz I8080A(config, m_maincpu, 2000000); m_maincpu->set_addrmap(AS_PROGRAM, &juku_state::mem_map); m_maincpu->set_addrmap(AS_IO, &juku_state::io_map); m_maincpu->set_irq_acknowledge_callback("pic", FUNC(pic8259_device::inta_cb)); ADDRESS_MAP_BANK(config, m_bank); m_bank->set_map(&juku_state::bank_map); m_bank->set_data_width(8); m_bank->set_addr_width(18); m_bank->set_stride(0x10000); // КР580ВН59 PIC8259(config, m_pic, 0); m_pic->out_int_callback().set_inputline(m_maincpu, 0); // КР580ВИ53 PIT8253(config, m_pit[0], 0); m_pit[0]->set_clk<0>(16_MHz_XTAL/16); m_pit[0]->out_handler<0>().set(m_pit[1], FUNC(pit8253_device::write_clk0)); m_pit[0]->out_handler<0>().append(m_pit[0], FUNC(pit8253_device::write_gate1)); m_pit[0]->out_handler<0>().append(m_pit[0], FUNC(pit8253_device::write_gate2)); m_pit[0]->set_clk<1>(16_MHz_XTAL/16); m_pit[0]->set_clk<2>(16_MHz_XTAL/16); m_pit[0]->out_handler<2>().set(m_pit[1], FUNC(pit8253_device::write_clk1)); m_pit[0]->out_handler<2>().append(m_pit[1], FUNC(pit8253_device::write_clk2)); // КР580ВИ53 PIT8253(config, m_pit[1], 0); m_pit[1]->out_handler<0>().set(m_pit[1], FUNC(pit8253_device::write_gate1)); m_pit[1]->out_handler<0>().append(m_pit[1], FUNC(pit8253_device::write_gate2)); m_pit[1]->out_handler<1>().set(m_pic, FUNC(pic8259_device::ir5_w)); // КР580ВИ53 PIT8253(config, m_pit[2], 0); // КР580ВВ55A I8255A(config, m_pio[0]); m_pio[0]->out_pa_callback().set(FUNC(juku_state::pio0_porta_w)); m_pio[0]->in_pb_callback().set(FUNC(juku_state::pio0_portb_r)); m_pio[0]->out_pc_callback().set(FUNC(juku_state::pio0_portc_w)); // КР580ВВ55A I8255A(config, m_pio[1]); // КР580ВВ51A I8251(config, m_sio[0], 0); m_sio[0]->rxrdy_handler().set("pic", FUNC(pic8259_device::ir2_w)); m_sio[0]->txrdy_handler().set("pic", FUNC(pic8259_device::ir3_w)); // КР580ВВ51A (instead of FDC?) I8251(config, m_sio[1], 0); m_sio[1]->rxrdy_handler().set("pic", FUNC(pic8259_device::ir0_w)); m_sio[1]->txrdy_handler().set("pic", FUNC(pic8259_device::ir1_w)); screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); screen.set_refresh_hz(60); screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); // not accurate screen.set_size(320, 240); screen.set_visarea(0, 319, 0, 239); screen.set_screen_update(FUNC(juku_state::screen_update)); TTL74148(config, m_key_encoder, 0); KR1818VG93(config, m_fdc, 1000000); // m_fdc->intrq_wr_callback().set(FUNC(juku_state::fdc_intrq_w)); m_fdc->drq_wr_callback().set(FUNC(juku_state::fdc_drq_w)); FLOPPY_CONNECTOR(config, "fdc:0", juku_floppies, "525qd", juku_state::floppy_formats); FLOPPY_CONNECTOR(config, "fdc:1", juku_floppies, "525qd", juku_state::floppy_formats); SOFTWARE_LIST(config, "floppy_list").set_original("juku"); } //************************************************************************** // ROM DEFINITIONS //************************************************************************** ROM_START( juku ) ROM_REGION(0x4000, "maincpu", 0) ROM_LOAD("jukurom0.bin", 0x0000, 0x2000, CRC(b26f5080) SHA1(db8bab6ff7143be890d6aaa25d10386dfdac3fc7)) ROM_LOAD("jukurom1.bin", 0x2000, 0x2000, CRC(b184e253) SHA1(d169acde61f643d7d0780cca0eeaf33ebdf75b92)) ROM_REGION(0x8000, "basic", 0) ROM_LOAD("bas0.bin", 0x0000, 0x0800, CRC(c03996cd) SHA1(3c45537c2a1879998e5315b79eb44dcf7c007d69)) ROM_LOAD("bas1.bin", 0x0800, 0x0800, CRC(d8016869) SHA1(baef9e9c55171a9192bc13d48e3b45394c7780d9)) ROM_LOAD("bas2.bin", 0x1000, 0x0800, CRC(9a958621) SHA1(08baca27e1ccdb0a441706df267c1f82b82d56ab)) ROM_LOAD("bas3.bin", 0x1800, 0x0800, CRC(d4ffbf67) SHA1(bced7ff2420f630dbd4cd1c0c83481ed874869f1)) ROM_END //************************************************************************** // SYSTEM DRIVERS //************************************************************************** // YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS COMP( 1988, juku, 0, 0, juku, juku, juku_state, empty_init, "Estron", "Juku E5101", MACHINE_NOT_WORKING | MACHINE_NO_SOUND | MACHINE_SUPPORTS_SAVE)