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Diffstat (limited to 'src/mame/skeleton/juku.cpp')
-rw-r--r-- | src/mame/skeleton/juku.cpp | 560 |
1 files changed, 0 insertions, 560 deletions
diff --git a/src/mame/skeleton/juku.cpp b/src/mame/skeleton/juku.cpp deleted file mode 100644 index 99254710472..00000000000 --- a/src/mame/skeleton/juku.cpp +++ /dev/null @@ -1,560 +0,0 @@ -// 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 "softlist_dev.h" -#include "screen.h" - - -namespace { - -//************************************************************************** -// 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<i8080a_cpu_device> m_maincpu; - required_device<address_map_bank_device> m_bank; - required_device<pic8259_device> m_pic; - required_device_array<pit8253_device, 3> m_pit; - required_device_array<i8255_device, 2> m_pio; - required_device_array<i8251_device, 2> m_sio; - required_device<kr1818vg93_device> m_fdc; - required_device_array<floppy_connector, 2> m_floppy; - required_device<ttl74148_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); - - static void floppy_formats(format_registration &fr); - 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<uint8_t[]> 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_CHAR(UCHAR_MAMEKEY(F6)) - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N')// n N - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED) - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y') // y Y - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&') // 6 & - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('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) PORT_CHAR('x') PORT_CHAR('X') // x X - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED) - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') // w W - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('"') // 2 " - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('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_CHAR(UCHAR_MAMEKEY(F4)) - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V') // v V - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED) - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R') // r R - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') // 4 $ - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('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_CHAR(UCHAR_MAMEKEY(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_CHAR(9) - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ESC) PORT_CHAR(27) - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CAPSLOCK) PORT_NAME("CAPS LOCK") - 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_CHAR(UCHAR_MAMEKEY(F5)) - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B') // b B - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED) - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T') // t T - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') // 5 % - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('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_CHAR(UCHAR_MAMEKEY(F2)) - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') // z Z - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED) - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') // q Q - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') // 1 ! - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('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_CHAR(UCHAR_MAMEKEY(F3)) - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C') PORT_CHAR(3) // c C - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED) - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') // e E - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') // 3 # - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('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_CHAR(UCHAR_MAMEKEY(F7)) - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M') // m M - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED) - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') // u U - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR(39) // 7 ' - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('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_NAME("DEL") - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') // ] õ - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSPACE) PORT_NAME("ERASE") // ERASE - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) - 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_CHAR(UCHAR_MAMEKEY(DOWN)) - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') // [ ö - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH) PORT_NAME("Ä Ü") // 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_CHAR(UCHAR_MAMEKEY(UP)) - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F9) PORT_NAME("õ Õ") // õ Õ - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F10) PORT_NAME("ö Õ") // ö Õ - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F11) PORT_CHAR(':') PORT_CHAR('*') // : * - 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_CHAR(';') PORT_CHAR('+') // ; + - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(32) - // Picture of machine shows "\ ^" here. You can use Ü to represent ^ in BASIC. - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('\\') PORT_CHAR('^') PORT_NAME("ü Ü") // ü Ü - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('=') // - = - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_NAME("ä Ä") // 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_CHAR('/') PORT_CHAR('?') // / ? - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P') // p P - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR('_') // 0 _ - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_NAME("ö Ö") // 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_CHAR('.') PORT_CHAR('>') // . > - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT),8) - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O') // o O - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')') // 9 ) - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('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_CHAR(UCHAR_MAMEKEY(F8)) - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<') // , < - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TILDE) PORT_NAME("LAT RUS") // LAT/RUS - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I') // i I - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(') // 8 ( - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('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_CHAR(UCHAR_SHIFT_1) - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_SHIFT_2) -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.pix(y, x) = BIT(m_ram[0xd800 + (y * (320 / 8) + x / 8)], 7 - (x % 8)) ? rgb_t::white() : rgb_t::black(); - - return 0; -} - - -//************************************************************************** -// FLOPPY DISK -//************************************************************************** - -void juku_state::floppy_formats(format_registration &fr) -{ - fr.add_mfm_containers(); - fr.add(FLOPPY_JUKU_FORMAT); -} - -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<uint8_t[]>(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->in_inta_func().set("pic", FUNC(pic8259_device::acknowledge)); - - 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 - -} // anonymous namespace - - -//************************************************************************** -// 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) |