// license:BSD-3-Clause // copyright-holders:AJR /*********************************************************************************************************************************** Skeleton driver for Zentec's 8085-based Zephyr/ZMS-series terminals. This represents the second generation of display terminals by Zentec Corporation. The first, which included the ZMS-50, ZMS-70 & ZMS-90, had an 8080 CPU and different video timings. U.S. Patent No. 4,203,107 looks like the best available description of the Zephyr video hardware, since no schematics or manuals have been found. ************************************************************************************************************************************/ #include "emu.h" #include "cpu/i8085/i8085.h" #include "bus/rs232/rs232.h" #include "machine/ay31015.h" #include "machine/clock.h" #include "screen.h" class zms8085_state : public driver_device { public: zms8085_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) , m_maincpu(*this, "maincpu") , m_uart(*this, "uart") , m_uart_clock(*this, "uart_clock") , m_rs232(*this, "rs232") , m_screen(*this, "screen") , m_mainram(*this, "mainram") , m_chargen(*this, "chargen") , m_keys(*this, "KEY%X", 0U) { } void zephyr(machine_config &config); private: u32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); u8 special_r(); u8 uart_status_r(); void key_l_w(u8 data); void key_h_w(u8 data); u8 key_r(); virtual void machine_start() override; void io_map(address_map &map); void mem_map(address_map &map); required_device m_maincpu; required_device m_uart; required_device m_uart_clock; required_device m_rs232; required_device m_screen; required_shared_ptr m_mainram; required_region_ptr m_chargen; required_ioport_array<14> m_keys; u16 m_key_row; }; u32 zms8085_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect) { u8 cursor_y = m_mainram[0x000]; u8 cursor_x = m_mainram[0x001]; u8 scroll = m_mainram[0x005]; u16 pos = 0x030 + (scroll & 0x1f) * 0x050; u8 row = scroll & 0x1f; for (unsigned y = 0; y < 250; y++) { for (unsigned ch = 0; ch < 80; ch++) { unsigned x = ch * 10; u8 code = m_mainram[(ch + pos) & 0xfff]; u16 data = (m_chargen[(code & 0x7f) * 16 + (y + 9) % 10] << 2) | 0x003; if (ch == cursor_x && row == cursor_y) data ^= 0x3ff; for (int bit = 10; bit > 0; bit--, data <<= 1) bitmap.pix(y, x++) = BIT(data, 9) ? rgb_t::black() : rgb_t::white(); } if ((y % 10) == 9) { row++; if (y == 239) { pos = 0x030; cursor_y = 0xff; } else { pos += 80; if (pos >= 0x800) { pos = 0x080; row -= 24; } } } } return 0; } u8 zms8085_state::special_r() { return 0x40; } u8 zms8085_state::uart_status_r() { return m_uart->tbmt_r() | (m_uart->dav_r() << 1); } void zms8085_state::key_l_w(u8 data) { m_key_row = (m_key_row & 0x3f00) | data; } void zms8085_state::key_h_w(u8 data) { m_key_row = (m_key_row & 0x00ff) | ((data & 0x3f) << 8); } u8 zms8085_state::key_r() { if (!machine().side_effects_disabled()) m_maincpu->set_input_line(I8085_RST55_LINE, CLEAR_LINE); u8 result = 0xff; for (int n = 0; n < 14; n++) if (BIT(m_key_row, n)) result &= m_keys[n]->read(); return result; } void zms8085_state::mem_map(address_map &map) { map(0x0000, 0x0fff).rom().region("maincpu", 0).nopw(); map(0x1000, 0x1fff).ram().share("mainram"); } void zms8085_state::io_map(address_map &map) { map(0x61, 0x61).r(FUNC(zms8085_state::special_r)).w(m_uart, FUNC(ay51013_device::transmit)); map(0x62, 0x62).r(m_uart, FUNC(ay51013_device::receive)); map(0x63, 0x63).r(FUNC(zms8085_state::uart_status_r)); map(0x64, 0x64).w(FUNC(zms8085_state::key_l_w)); map(0x65, 0x65).w(FUNC(zms8085_state::key_h_w)); map(0x66, 0x66).r(FUNC(zms8085_state::key_r)); map(0x67, 0x67).portr("MODIFIERS"); map(0x68, 0x68).nopw(); } static INPUT_PORTS_START(zephyr) PORT_START("KEY0") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('g') PORT_CHAR('G') PORT_CODE(KEYCODE_G) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('t') PORT_CHAR('T') PORT_CODE(KEYCODE_T) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('6') PORT_CHAR('^') PORT_CODE(KEYCODE_6) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('=') PORT_CHAR('+') PORT_CODE(KEYCODE_EQUALS) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('`') PORT_CHAR('~') PORT_CODE(KEYCODE_TILDE) // to right of right shift PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('m') PORT_CHAR('M') PORT_CODE(KEYCODE_M) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNKNOWN) PORT_START("KEY1") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('j') PORT_CHAR('J') PORT_CODE(KEYCODE_J) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('u') PORT_CHAR('U') PORT_CODE(KEYCODE_U) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('8') PORT_CHAR('*') PORT_CODE(KEYCODE_8) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('{') PORT_CHAR('}') PORT_CODE(KEYCODE_BACKSLASH) // to right of Back Space PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(2_PAD)) PORT_CODE(KEYCODE_2_PAD) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('.') PORT_CHAR('>') PORT_CODE(KEYCODE_STOP) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(7_PAD)) PORT_CODE(KEYCODE_7_PAD) PORT_START("KEY2") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('l') PORT_CHAR('L') PORT_CODE(KEYCODE_L) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('o') PORT_CHAR('O') PORT_CODE(KEYCODE_O) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('0') PORT_CHAR(')') PORT_CODE(KEYCODE_0) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(HOME)) PORT_CODE(KEYCODE_HOME) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(ENTER_PAD)) PORT_CODE(KEYCODE_ENTER_PAD) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('[') PORT_CHAR(']') PORT_CODE(KEYCODE_OPENBRACE) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(9_PAD)) PORT_CODE(KEYCODE_9_PAD) PORT_START("KEY3") PORT_BIT(0x03, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('e') PORT_CHAR('E') PORT_CODE(KEYCODE_E) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('4') PORT_CHAR('$') PORT_CODE(KEYCODE_4) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNKNOWN) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(COMMA_PAD)) PORT_CODE(KEYCODE_PLUS_PAD) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('b') PORT_CHAR('B') PORT_CODE(KEYCODE_B) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) PORT_CODE(KEYCODE_DOWN) PORT_START("KEY4") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('f') PORT_CHAR('F') PORT_CODE(KEYCODE_F) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('r') PORT_CHAR('R') PORT_CODE(KEYCODE_R) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('5') PORT_CHAR('%') PORT_CODE(KEYCODE_5) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNKNOWN) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(MINUS_PAD)) PORT_CODE(KEYCODE_MINUS_PAD) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('n') PORT_CHAR('N') PORT_CODE(KEYCODE_N) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNKNOWN) PORT_START("KEY5") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(';') PORT_CHAR(':') PORT_CODE(KEYCODE_COLON) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('p') PORT_CHAR('P') PORT_CODE(KEYCODE_P) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('-') PORT_CHAR('_') PORT_CODE(KEYCODE_MINUS) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) PORT_CODE(KEYCODE_RIGHT) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(DEL_PAD)) PORT_CODE(KEYCODE_DEL_PAD) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('\'') PORT_CHAR('"') PORT_CODE(KEYCODE_QUOTE) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('\\') PORT_CHAR('|') PORT_CODE(KEYCODE_CLOSEBRACE) PORT_START("KEY6") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('k') PORT_CHAR('K') PORT_CODE(KEYCODE_K) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('i') PORT_CHAR('I') PORT_CODE(KEYCODE_I) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('9') PORT_CHAR('(') PORT_CODE(KEYCODE_9) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) PORT_CODE(KEYCODE_LEFT) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(3_PAD)) PORT_CODE(KEYCODE_3_PAD) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('/') PORT_CHAR('?') PORT_CODE(KEYCODE_SLASH) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(8_PAD)) PORT_CODE(KEYCODE_8_PAD) PORT_START("KEY7") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('h') PORT_CHAR('H') PORT_CODE(KEYCODE_H) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('y') PORT_CHAR('Y') PORT_CODE(KEYCODE_Y) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('7') PORT_CHAR('&') PORT_CODE(KEYCODE_7) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Back Space") PORT_CHAR(0x08) PORT_CODE(KEYCODE_BACKSPACE) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(1_PAD)) PORT_CODE(KEYCODE_1_PAD) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(',') PORT_CHAR('<') PORT_CODE(KEYCODE_COMMA) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNKNOWN) PORT_START("KEY8") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('d') PORT_CHAR('D') PORT_CODE(KEYCODE_D) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('w') PORT_CHAR('W') PORT_CODE(KEYCODE_W) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('3') PORT_CHAR('#') PORT_CODE(KEYCODE_3) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(UP)) PORT_CODE(KEYCODE_UP) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(6_PAD)) PORT_CODE(KEYCODE_6_PAD) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('v') PORT_CHAR('V') PORT_CODE(KEYCODE_V) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNKNOWN) PORT_START("KEY9") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('s') PORT_CHAR('S') PORT_CODE(KEYCODE_S) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('q') PORT_CHAR('Q') PORT_CODE(KEYCODE_Q) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('2') PORT_CHAR('@') PORT_CODE(KEYCODE_2) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNKNOWN) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(5_PAD)) PORT_CODE(KEYCODE_5_PAD) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('c') PORT_CHAR('C') PORT_CODE(KEYCODE_C) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Line Feed") // to right of backslash PORT_START("KEYA") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('a') PORT_CHAR('A') PORT_CODE(KEYCODE_A) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(0x09) PORT_CODE(KEYCODE_TAB) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('1') PORT_CHAR('!') PORT_CODE(KEYCODE_1) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(F2)) PORT_CODE(KEYCODE_F2) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(4_PAD)) PORT_CODE(KEYCODE_4_PAD) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('x') PORT_CHAR('X') PORT_CODE(KEYCODE_X) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Return") PORT_CHAR(0x0d) PORT_CODE(KEYCODE_ENTER) PORT_START("KEYB") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Esc Del") PORT_CHAR(0x1b) PORT_CHAR(0x7f) PORT_CODE(KEYCODE_LALT) // to left of Caps Lock PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNKNOWN) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNKNOWN) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(F1)) PORT_CODE(KEYCODE_F1) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("New Line/Page") // to right of Return? PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('z') PORT_CHAR('Z') PORT_CODE(KEYCODE_Z) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(' ') PORT_CODE(KEYCODE_SPACE) PORT_START("KEYC") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(0_PAD)) PORT_CODE(KEYCODE_0_PAD) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(F14)) PORT_CODE(KEYCODE_F14) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(F13)) PORT_CODE(KEYCODE_F13) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(F12)) PORT_CODE(KEYCODE_F12) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(F11)) PORT_CODE(KEYCODE_F11) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(F15)) PORT_CODE(KEYCODE_F15) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(F16)) PORT_CODE(KEYCODE_F16) PORT_START("KEYD") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(F10)) PORT_CODE(KEYCODE_F10) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(F6)) PORT_CODE(KEYCODE_F6) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(F5)) PORT_CODE(KEYCODE_F5) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(F4)) PORT_CODE(KEYCODE_F4) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(F3)) PORT_CODE(KEYCODE_F3) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(F9)) PORT_CODE(KEYCODE_F9) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(F7)) PORT_CODE(KEYCODE_F7) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(F8)) PORT_CODE(KEYCODE_F8) PORT_START("MODIFIERS") PORT_BIT(0x1f, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) PORT_CODE(KEYCODE_CAPSLOCK) PORT_TOGGLE PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Ctrl") PORT_CHAR(UCHAR_SHIFT_2) PORT_CODE(KEYCODE_LCONTROL) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Shift") PORT_CHAR(UCHAR_SHIFT_1) PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) INPUT_PORTS_END void zms8085_state::machine_start() { m_uart->write_swe(0); // most of these settings should be configurable through switches m_uart->write_nb1(1); m_uart->write_nb2(1); m_uart->write_np(1); m_uart->write_eps(1); m_uart->write_tsb(0); m_uart->write_cs(1); m_key_row = 0; save_item(NAME(m_key_row)); } void zms8085_state::zephyr(machine_config &config) { I8085A(config, m_maincpu, 15.582_MHz_XTAL / 2); // divider not verified m_maincpu->set_addrmap(AS_PROGRAM, &zms8085_state::mem_map); m_maincpu->set_addrmap(AS_IO, &zms8085_state::io_map); screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); screen.set_raw(15.582_MHz_XTAL, 980, 0, 800, 265, 0, 250); screen.set_screen_update(FUNC(zms8085_state::screen_update)); screen.screen_vblank().set_inputline(m_maincpu, I8085_RST55_LINE, ASSERT_LINE); AY51013(config, m_uart); // SMC COM2017 m_uart->read_si_callback().set("rs232", FUNC(rs232_port_device::rxd_r)); m_uart->write_so_callback().set("rs232", FUNC(rs232_port_device::write_txd)); m_uart->write_dav_callback().set_inputline("maincpu", I8085_RST65_LINE); m_uart->set_auto_rdav(true); CLOCK(config, m_uart_clock, 153600); // should actually be configurable somehow m_uart_clock->signal_handler().set(m_uart, FUNC(ay51013_device::write_tcp)); m_uart_clock->signal_handler().append(m_uart, FUNC(ay51013_device::write_rcp)); RS232_PORT(config, "rs232", default_rs232_devices, nullptr); } /************************************************************************************************************** Zentec Zephyr (Model 00-441-01). Chips: COM2017, i8085A, 2x unreadable (40-pin AMI DIP), Beeper Crystal: 15.582000 ***************************************************************************************************************/ ROM_START( zephyr ) ROM_REGION(0x1000, "maincpu", 0) ROM_SYSTEM_BIOS(0, "main", "Main program" ) ROMX_LOAD( "23-067-03b.bin", 0x0000, 0x0800, CRC(29cfa003) SHA1(9de7a8402173a2c448e54ee433ba3050db7b70bb), ROM_BIOS(0) ) ROMX_LOAD( "23-067-004b.bin", 0x0800, 0x0800, CRC(37741104) SHA1(52b9998e0a8d4949e0dc7c3349b3681e13345061), ROM_BIOS(0) ) ROM_SYSTEM_BIOS(1, "test", "Test program" ) ROMX_LOAD( "23-006-32c.bin", 0x0000, 0x0800, CRC(0a3a5447) SHA1(a8c25730a1d7e5b9c86e0d504afc923e931f9025), ROM_BIOS(1) ) ROM_REGION(0x0800, "chargen", 0) ROM_LOAD( "23-066-02a.bin", 0x0000, 0x0800, CRC(d5650b6c) SHA1(e6333e59018d9904f12abb270db4ba28aeff1995) ) ROM_END COMP( 1979, zephyr, 0, 0, zephyr, zephyr, zms8085_state, empty_init, "Zentec", "Zephyr (00-441-01)", MACHINE_IS_SKELETON )