// license:BSD-3-Clause // copyright-holders:AJR /******************************************************************************* Skeleton driver for Textel Compact portable digital teletype machine. *******************************************************************************/ #include "emu.h" #include "cpu/m6502/m65sc02.h" #include "machine/input_merger.h" #include "machine/6522via.h" #include "machine/mos6551.h" #include "machine/msm58321.h" #include "video/sed1330.h" #include "emupal.h" #include "screen.h" class textelcomp_state : public driver_device { public: textelcomp_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) , m_maincpu(*this, "maincpu") , m_rtc(*this, "rtc") , m_chargen(*this, "chargen") , m_keys(*this, "KEY%X", 0U) , m_leds(*this, "led%u", 0U) , m_keyscan(0) , m_shift_register(0) , m_shift_data(true) , m_shift_clock(true) { } void textelcomp(machine_config &config); private: virtual void machine_start() override; void keyscan_w(u8 data); u8 keyboard_r(); DECLARE_WRITE_LINE_MEMBER(shift_data_w); DECLARE_WRITE_LINE_MEMBER(shift_clock_w); void update_shift_output(); void rtc_w(u8 data); void mem_map(address_map &map); void lcdc_map(address_map &map); required_device m_maincpu; required_device m_rtc; required_region_ptr m_chargen; required_ioport_array<16> m_keys; output_finder<16> m_leds; u8 m_keyscan; u16 m_shift_register; bool m_shift_data; bool m_shift_clock; }; void textelcomp_state::machine_start() { m_rtc->cs1_w(1); subdevice("acia")->write_cts(0); m_leds.resolve(); save_item(NAME(m_keyscan)); save_item(NAME(m_shift_register)); save_item(NAME(m_shift_data)); save_item(NAME(m_shift_clock)); } void textelcomp_state::keyscan_w(u8 data) { // 2x TC4094BP driving keyboard lights if (BIT(data, 4) && !BIT(m_keyscan, 4)) update_shift_output(); m_keyscan = data; } u8 textelcomp_state::keyboard_r() { return m_keys[m_keyscan & 0x0f]->read(); } WRITE_LINE_MEMBER(textelcomp_state::shift_data_w) { m_shift_data = state; } WRITE_LINE_MEMBER(textelcomp_state::shift_clock_w) { if (state && !m_shift_clock) { m_shift_clock = true; m_shift_register = (m_shift_register << 1) | m_shift_data; if (BIT(m_keyscan, 4)) update_shift_output(); } else if (!state && m_shift_clock) m_shift_clock = false; } void textelcomp_state::update_shift_output() { for (int i = 0; i < 16; i++) m_leds[i] = BIT(m_shift_register, i); } void textelcomp_state::rtc_w(u8 data) { // Minimum address/data setup time is given as 0 µs in Oki and Epson datasheets // Address and data are written to the VIA at the same time as the control strobes if (!BIT(data, 5)) m_rtc->write_w(0); if (!BIT(data, 6)) m_rtc->read_w(0); if (!BIT(data, 7)) m_rtc->address_write_w(0); m_rtc->d0_w(BIT(data, 0)); m_rtc->d1_w(BIT(data, 1)); m_rtc->d2_w(BIT(data, 2)); m_rtc->d3_w(BIT(data, 3)); if (BIT(data, 5)) m_rtc->write_w(1); if (BIT(data, 6)) m_rtc->read_w(1); if (BIT(data, 7)) m_rtc->address_write_w(1); } void textelcomp_state::mem_map(address_map &map) { map(0x0000, 0x1eff).ram(); // MB8464A-10L (battery backed?) map(0x1f00, 0x1f0f).m("via0", FUNC(via6522_device::map)); map(0x1f10, 0x1f1f).m("via1", FUNC(via6522_device::map)); map(0x1f20, 0x1f2f).m("via2", FUNC(via6522_device::map)); map(0x1f30, 0x1f3f).m("via3", FUNC(via6522_device::map)); map(0x1f40, 0x1f43).rw("acia", FUNC(mos6551_device::read), FUNC(mos6551_device::write)); map(0x1f70, 0x1f70).rw("lcdc", FUNC(sed1330_device::status_r), FUNC(sed1330_device::data_w)); map(0x1f71, 0x1f71).rw("lcdc", FUNC(sed1330_device::data_r), FUNC(sed1330_device::command_w)); map(0x4000, 0x7fff).ram(); // HY62256ALP-10 (battery backed?) map(0x8000, 0x9fff).ram(); // MB8464A-10L (battery backed?) map(0xa000, 0xffff).rom().region("maincpu", 0x2000); } void textelcomp_state::lcdc_map(address_map &map) { map(0x0000, 0x1fff).ram(); map(0xf000, 0xffff).rom().region("chargen", 0x1000); } static INPUT_PORTS_START(textelcomp) PORT_START("KEY0") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_SHIFT_1) PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN) // code 0x10 PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNKNOWN) // code 0x13 PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNKNOWN) // code 0x80/0x81 PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNKNOWN) // code 0x90/0x91 PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN) // code 0xa0 PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNKNOWN) // code 0xa1 PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNKNOWN) // code 0xa4 PORT_START("KEY1") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Shift Lock") PORT_CODE(KEYCODE_CAPSLOCK) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN) // code 0x11 PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNKNOWN) // code 0x14 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_NAME("L\xc3\xb6sch") PORT_CHAR(0x08) PORT_CODE(KEYCODE_TAB) // left of Q PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('a') PORT_CHAR('A') PORT_CHAR(0x01) PORT_CODE(KEYCODE_A) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('y') PORT_CHAR('Y') PORT_CHAR(0x19) PORT_CODE(KEYCODE_Z) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNKNOWN) // code 0xa5 PORT_START("KEY2") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN) // modifier PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN) // code 0x12 PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNKNOWN) // code 0x15 PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('2') PORT_CHAR('"') PORT_CODE(KEYCODE_2) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('q') PORT_CHAR('Q') PORT_CHAR(0x11) PORT_CODE(KEYCODE_Q) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('s') PORT_CHAR('S') PORT_CHAR(0x13) PORT_CODE(KEYCODE_S) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('x') PORT_CHAR('X') PORT_CHAR(0x18) PORT_CODE(KEYCODE_X) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNKNOWN) // code 0xa8 PORT_START("KEY3") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_SHIFT_2) PORT_NAME("Ctrl") PORT_CODE(KEYCODE_LCONTROL) 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_CHAR('3') PORT_CHAR('#') PORT_CODE(KEYCODE_3) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('w') PORT_CHAR('W') PORT_CHAR(0x17) PORT_CODE(KEYCODE_W) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('d') PORT_CHAR('D') PORT_CHAR(0x04) PORT_CODE(KEYCODE_D) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('c') PORT_CHAR('C') PORT_CHAR(0x03) PORT_CODE(KEYCODE_C) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNKNOWN) // code 0xa9 PORT_START("KEY4") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN) // code 0x1b PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN) // code 0x20 PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNKNOWN) // code 0x21 PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('4') PORT_CHAR('+') PORT_CODE(KEYCODE_4) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('e') PORT_CHAR('E') PORT_CHAR(0x05) PORT_CODE(KEYCODE_E) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('f') PORT_CHAR('F') PORT_CHAR(0x06) PORT_CODE(KEYCODE_F) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('v') PORT_CHAR('V') PORT_CHAR(0x16) PORT_CODE(KEYCODE_V) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("KEY5") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(0x0d) PORT_CODE(KEYCODE_ENTER) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNKNOWN) // code 0x22 PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('5') PORT_CHAR('%') PORT_CODE(KEYCODE_5) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('r') PORT_CHAR('R') PORT_CHAR(0x12) PORT_CODE(KEYCODE_R) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('g') PORT_CHAR('G') PORT_CHAR(0x07) PORT_CODE(KEYCODE_G) 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_UNUSED) PORT_START("KEY6") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(' ') PORT_CODE(KEYCODE_SPACE) 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_CHAR('6') PORT_CHAR('&') PORT_CODE(KEYCODE_6) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('t') PORT_CHAR('T') PORT_CHAR(0x14) PORT_CODE(KEYCODE_T) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('h') PORT_CHAR('H') PORT_CODE(KEYCODE_H) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('n') PORT_CHAR('N') PORT_CHAR(0x0e) PORT_CODE(KEYCODE_N) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("KEY7") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN) // code 0x40 PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNKNOWN) // code 0x44 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_CHAR('z') PORT_CHAR('Z') PORT_CHAR(0x1a) PORT_CODE(KEYCODE_Y) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('j') PORT_CHAR('J') PORT_CHAR(0x0a) PORT_CODE(KEYCODE_J) 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_UNUSED) PORT_START("KEY8") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN) // code 0x41 PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNKNOWN) // code 0x45 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('u') PORT_CHAR('U') PORT_CHAR(0x15) PORT_CODE(KEYCODE_U) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('k') PORT_CHAR('K') PORT_CHAR(0x0b) PORT_CODE(KEYCODE_K) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(',') PORT_CHAR(';') PORT_CODE(KEYCODE_COMMA) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("KEY9") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN) // code 0x50 PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNKNOWN) // code 0x46 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('i') PORT_CHAR('I') PORT_CHAR(0x09) PORT_CODE(KEYCODE_I) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('l') PORT_CHAR('L') PORT_CHAR(0x0c) PORT_CODE(KEYCODE_L) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('.') PORT_CHAR(':') PORT_CODE(KEYCODE_STOP) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("KEYA") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN) // code 0x43 PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('0') PORT_CODE(KEYCODE_0) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('o') PORT_CHAR('O') PORT_CHAR(0x0f) PORT_CODE(KEYCODE_O) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("\xc3\x96") PORT_CHAR(0xf6, 0x7c) PORT_CHAR(0xd6, 0x5c) PORT_CHAR(0x1c) PORT_CODE(KEYCODE_COLON) // Ö PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('-') PORT_CHAR('=') PORT_CODE(KEYCODE_SLASH) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("KEYB") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNKNOWN) // code 0x60 PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(0xdf, 0x7e) PORT_CHAR('?') PORT_CODE(KEYCODE_MINUS) // ß PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('p') PORT_CHAR('P') PORT_CHAR(0x10) PORT_CODE(KEYCODE_P) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("\xc3\x84") PORT_CHAR(0xe4, 0x7b) PORT_CHAR(0xc4, 0x5b) PORT_CHAR(0x1b) PORT_CODE(KEYCODE_QUOTE) // Ä PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("KEYC") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN) // code 0x30/0x31 PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('*') PORT_CODE(KEYCODE_EQUALS) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("\xc3\x9c") PORT_CHAR(0xfc, 0x7d) PORT_CHAR(0xdc, 0x5d) PORT_CHAR(0x1d) PORT_CODE(KEYCODE_OPENBRACE) // Ü PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("KEYD") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNKNOWN) // code 0x71 PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("KEYE") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN) // code 0x70 PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("KEYF") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) INPUT_PORTS_END void textelcomp_state::textelcomp(machine_config &config) { M65SC02(config, m_maincpu, 3.6864_MHz_XTAL / 2); // GS65SC02P-2 (clock not verified) m_maincpu->set_addrmap(AS_PROGRAM, &textelcomp_state::mem_map); INPUT_MERGER_ANY_HIGH(config, "mainirq").output_handler().set_inputline(m_maincpu, m65sc02_device::IRQ_LINE); via6522_device &via0(VIA6522(config, "via0", 3.6864_MHz_XTAL / 2)); // GS65SC22P-2 via0.irq_handler().set("mainirq", FUNC(input_merger_device::in_w<0>)); VIA6522(config, "via1", 3.6864_MHz_XTAL / 2); // GS65SC22P-2 // IRQ might be connected on hardware, but is never enabled via6522_device &via2(VIA6522(config, "via2", 3.6864_MHz_XTAL / 2)); // GS65SC22P-2 via2.readpa_handler().set(FUNC(textelcomp_state::keyboard_r)); via2.writepb_handler().set(FUNC(textelcomp_state::keyscan_w)); via2.cb1_handler().set(FUNC(textelcomp_state::shift_clock_w)); via2.cb2_handler().set(FUNC(textelcomp_state::shift_data_w)); via6522_device &via3(VIA6522(config, "via3", 3.6864_MHz_XTAL / 2)); // GS65SC22P-2 via3.writepa_handler().set(FUNC(textelcomp_state::rtc_w)); via3.ca2_handler().set(m_rtc, FUNC(msm58321_device::cs2_w)).invert(); via3.ca2_handler().append(m_rtc, FUNC(msm58321_device::stop_w)).invert(); // TODO: PB7 toggling generates beeps? mos6551_device &acia(MOS6551(config, "acia", 3.6864_MHz_XTAL / 2)); // GS65SC51P-2 acia.set_xtal(3.6864_MHz_XTAL / 2); acia.irq_handler().set("mainirq", FUNC(input_merger_device::in_w<1>)); screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_LCD)); screen.set_color(rgb_t(0x00, 0xff, 0x80)); screen.set_refresh_hz(50); screen.set_size(640, 201); screen.set_visarea(0, 640-1, 0, 201-1); screen.set_palette("palette"); screen.set_screen_update("lcdc", FUNC(sed1330_device::screen_update)); PALETTE(config, "palette", palette_device::MONOCHROME_INVERTED); sed1330_device &lcdc(SED1330(config, "lcdc", 6.4_MHz_XTAL)); // SED1330F + B&W LCD lcdc.set_addrmap(0, &textelcomp_state::lcdc_map); lcdc.set_screen("screen"); MSM58321(config, m_rtc, 32.768_kHz_XTAL); // RTC58321A m_rtc->set_default_24h(true); m_rtc->d0_handler().set("via3", FUNC(via6522_device::write_pa0)); m_rtc->d1_handler().set("via3", FUNC(via6522_device::write_pa1)); m_rtc->d2_handler().set("via3", FUNC(via6522_device::write_pa2)); m_rtc->d3_handler().set("via3", FUNC(via6522_device::write_pa3)); m_rtc->busy_handler().set("via0", FUNC(via6522_device::write_ca1)); // source of periodic falling edge interrupt? } ROM_START(a1010) ROM_REGION(0x8000, "maincpu", 0) ROM_LOAD("d15_31.bin", 0x0000, 0x8000, CRC(5ee1175d) SHA1(87ff6a3d5c64a53b0ab23d54aa343365c44d0407)) ROM_REGION(0x8000, "chargen", 0) ROM_LOAD("chargen.bin", 0x0000, 0x8000, CRC(07daa70e) SHA1(8066a0ac238b06fbeeb99c3a2a8a9e70a27db7a9)) ROM_END COMP(1993, a1010, 0, 0, textelcomp, textelcomp, textelcomp_state, empty_init, "Humantechnik", "Textel Compact A1010-0", MACHINE_IS_SKELETON)