// license:BSD-3-Clause // copyright-holders:Robbbert /*************************************************************************** Z80 dev board (unknown) http://retro.hansotten.nl/index.php?page=z80-dev-kit 2010-04-23 Skeleton driver. Pasting: 0-F : as is MEM --> (inc) : ^ MEM <-- (dec) : V GO : X To set an address, paste R0
, so R01040 to select 1040 Example paste: R01040^11^22^33^44^55^66^77^88^99^^R01040^ Press the up-arrow key to confirm data has been entered. ****************************************************************************/ #include "emu.h" #include "cpu/z80/z80.h" #include "z80dev.lh" class z80dev_state : public driver_device { public: z80dev_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) , m_maincpu(*this, "maincpu") , m_digits(*this, "digit%u", 0U) { } void z80dev(machine_config &config); protected: DECLARE_WRITE8_MEMBER( display_w ); DECLARE_READ8_MEMBER( test_r ); virtual void machine_start() override; void io_map(address_map &map); void mem_map(address_map &map); private: required_device m_maincpu; output_finder<6> m_digits; }; WRITE8_MEMBER( z80dev_state::display_w ) { // ---- xxxx digit // xxxx ---- ??? static const uint8_t hex_7seg[] = {0x3f, 0x06, 0x5b, 0x4f, 0x66, 0x6d, 0x7d, 0x07, 0x7f, 0x6f, 0x77, 0x7c, 0x39, 0x5e, 0x79, 0x71}; m_digits[offset] = hex_7seg[data & 0x0f]; } READ8_MEMBER( z80dev_state::test_r ) { return machine().rand(); } void z80dev_state::machine_start() { m_digits.resolve(); } void z80dev_state::mem_map(address_map &map) { map.unmap_value_high(); map(0x0000, 0x07ff).rom(); map(0x1000, 0x10ff).ram(); } void z80dev_state::io_map(address_map &map) { map.unmap_value_high(); map.global_mask(0xff); map(0x20, 0x20).portr("LINE0"); map(0x21, 0x21).portr("LINE1"); map(0x22, 0x22).portr("LINE2"); map(0x23, 0x23).portr("LINE3"); map(0x20, 0x25).w(this, FUNC(z80dev_state::display_w)); map(0x13, 0x13).r(this, FUNC(z80dev_state::test_r)); } /* Input ports */ INPUT_PORTS_START( z80dev ) PORT_START("LINE0") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_CHAR('F') PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_CHAR('E') PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_CHAR('D') PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("C") PORT_CODE(KEYCODE_C) PORT_CHAR('C') PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("RUN") PORT_CODE(KEYCODE_X) PORT_CHAR('X') PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("STEP") PORT_CODE(KEYCODE_T) PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("BK") PORT_CODE(KEYCODE_K) PORT_START("LINE1") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("B") PORT_CODE(KEYCODE_B) PORT_CHAR('B') PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("A") PORT_CODE(KEYCODE_A) PORT_CHAR('A') PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("9") PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("8") PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("REG") PORT_CODE(KEYCODE_R) PORT_CHAR('R') PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("MEM <--") PORT_CODE(KEYCODE_DOWN) PORT_CHAR('V') PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("MEM -->") PORT_CODE(KEYCODE_UP) PORT_CHAR('^') PORT_START("LINE2") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("7") PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("6") PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("5") PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("4") PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("MV") PORT_CODE(KEYCODE_M) PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("EI") PORT_CODE(KEYCODE_I) PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("I/O") PORT_CODE(KEYCODE_O) PORT_START("LINE3") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("3") PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("2") PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("1") PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("0") PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("SV") PORT_CODE(KEYCODE_S) PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("LD") PORT_CODE(KEYCODE_L) INPUT_PORTS_END MACHINE_CONFIG_START(z80dev_state::z80dev) /* basic machine hardware */ MCFG_DEVICE_ADD("maincpu", Z80, 4_MHz_XTAL) MCFG_DEVICE_PROGRAM_MAP(mem_map) MCFG_DEVICE_IO_MAP(io_map) /* video hardware */ MCFG_DEFAULT_LAYOUT(layout_z80dev) MACHINE_CONFIG_END /* ROM definition */ ROM_START( z80dev ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) ROM_LOAD( "z80dev.bin", 0x0000, 0x0800, CRC(dd5b9cd9) SHA1(97c176fcb63674f0592851b7858cb706886b5857)) ROM_END /* Driver */ /* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */ COMP( 198?, z80dev, 0, 0, z80dev, z80dev, z80dev_state, empty_init, "", "Z80 dev board", MACHINE_NO_SOUND_HW)