// license:BSD-3-Clause // copyright-holders:Robbbert /*************************************************************************** CVICNY8080 - Practice-z80 - a homebrew from Czechoslavakia. More data at : https://web.archive.org/web/20190202185251/http://www.nostalcomp.cz/cvicny8080.php 2011-10-21 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. ****************************************************************************/ #include "emu.h" #include "cpu/z80/z80.h" #include "video/pwm.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_maincpu(*this, "maincpu") , m_display(*this, "display") , m_io_keyboard(*this, "X%u", 0U) { } void cvicny(machine_config &config); private: void cvicny_mem(address_map &map); virtual void machine_start() override; u8 key_r(); void digit_w(u8 data); void segment_w(u8 data); u8 m_digit; u8 m_seg; required_device m_maincpu; required_device m_display; required_ioport_array<8> m_io_keyboard; }; void cvicny_state::segment_w(u8 data) // output segments on the selected digit { m_seg = data; m_display->matrix(1<matrix(1<read(); return ((data << 4) ^ 0xf0) | data; } void cvicny_state::machine_start() { save_item(NAME(m_digit)); save_item(NAME(m_seg)); } 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); PWM_DISPLAY(config, m_display).set_size(8, 8); m_display->set_segmask(0xff, 0xff); } /* ROM definition */ ROM_START( cvicny ) ROM_REGION( 0x0800, "maincpu", 0 ) 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, "", "Practice-z80", MACHINE_NO_SOUND_HW | MACHINE_SUPPORTS_SAVE )