// license:BSD-3-Clause // copyright-holders:AJR /*********************************************************************************************************************************** Skeleton driver for Ann Arbor Ambassador terminal. ************************************************************************************************************************************/ #include "emu.h" #include "bus/rs232/rs232.h" #include "cpu/z80/z80.h" #include "machine/74259.h" #include "machine/input_merger.h" #include "machine/mc2661.h" #include "machine/nvram.h" #include "screen.h" class aaa_state : public driver_device { public: aaa_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) , m_maincpu(*this, "maincpu") , m_usart(*this, "usart%u", 0U) , m_screen(*this, "screen") , m_key_row(*this, "KSL%u", 0U) , m_font(*this, "font") , m_display_ram(*this, "display") , m_linecount(*this, "linecount") { } void aaa(machine_config &config); private: u32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); void display_ram_w(offs_t offset, u8 data); template u8 usart_r(offs_t offset); template void usart_w(offs_t offset, u8 data); u8 keyboard_r(offs_t offset); void mem_map(address_map &map); void io_map(address_map &map); required_device m_maincpu; required_device_array m_usart; required_device m_screen; optional_ioport_array<16> m_key_row; required_region_ptr m_font; required_shared_ptr m_display_ram; required_shared_ptr m_linecount; }; u32 aaa_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect) { return 0; } void aaa_state::display_ram_w(offs_t offset, u8 data) { // 6 bits wide (2 words per character) m_display_ram[offset] = data | 0xc0; } template u8 aaa_state::usart_r(offs_t offset) { return m_usart[N]->read(offset >> 1); } template void aaa_state::usart_w(offs_t offset, u8 data) { m_usart[N]->write(offset >> 1, data); } u8 aaa_state::keyboard_r(offs_t offset) { // TODO: key click return m_key_row[offset & 15].read_safe(0xff); } void aaa_state::mem_map(address_map &map) { map(0x0000, 0x1fff).rom().region("loprog", 0); map(0x2000, 0x27ff).mirror(0x800).ram(); map(0x3f00, 0x3f03).writeonly().share("linecount"); // LS670 at 7B on main board map(0x4000, 0x43ff).ram().share("nvram"); map(0x8000, 0x9fff).rom().region("hiprog", 0); map(0xc000, 0xffff).ram().w(FUNC(aaa_state::display_ram_w)).share("display"); } void aaa_state::io_map(address_map &map) { map.global_mask(0xff); map(0x00, 0x00).select(6).r(FUNC(aaa_state::usart_r<0>)); map(0x01, 0x01).select(6).w(FUNC(aaa_state::usart_w<0>)); map(0x40, 0x40).select(6).r(FUNC(aaa_state::usart_r<1>)); map(0x41, 0x41).select(6).w(FUNC(aaa_state::usart_w<1>)); map(0x80, 0x87).w("ctrllatch", FUNC(ls259_device::write_d7)); map(0xc0, 0xff).r(FUNC(aaa_state::keyboard_r)); } static INPUT_PORTS_START(aaa) // KR0, KR1, KR2, KR3, KR4, KR5, KR6, KR7 = connector pins W, X, Y, Z, AA, BB, CC, DD PORT_START("KSL2") // connector pin T PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('[') PORT_CHAR('{') PORT_CODE(KEYCODE_OPENBRACE) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('a') PORT_CHAR('A') PORT_CODE(KEYCODE_A) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('b') PORT_CHAR('B') PORT_CODE(KEYCODE_B) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('c') PORT_CHAR('C') PORT_CODE(KEYCODE_C) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('d') PORT_CHAR('D') PORT_CODE(KEYCODE_D) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('e') PORT_CHAR('E') PORT_CODE(KEYCODE_E) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('f') PORT_CHAR('F') PORT_CODE(KEYCODE_F) PORT_START("KSL3") // connector pin S PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('g') PORT_CHAR('G') PORT_CODE(KEYCODE_G) 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('i') PORT_CHAR('I') PORT_CODE(KEYCODE_I) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('j') PORT_CHAR('J') PORT_CODE(KEYCODE_J) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('k') PORT_CHAR('K') PORT_CODE(KEYCODE_K) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('l') PORT_CHAR('L') PORT_CODE(KEYCODE_L) 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_KEYBOARD) PORT_CHAR('n') PORT_CHAR('N') PORT_CODE(KEYCODE_N) PORT_START("KSL4") // connector pin N PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('o') PORT_CHAR('O') PORT_CODE(KEYCODE_O) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('p') PORT_CHAR('P') PORT_CODE(KEYCODE_P) 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('r') PORT_CHAR('R') PORT_CODE(KEYCODE_R) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('s') PORT_CHAR('S') PORT_CODE(KEYCODE_S) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('t') PORT_CHAR('T') PORT_CODE(KEYCODE_T) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('u') PORT_CHAR('U') PORT_CODE(KEYCODE_U) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('v') PORT_CHAR('V') PORT_CODE(KEYCODE_V) PORT_START("KSL5") // connector pin M PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('w') PORT_CHAR('W') PORT_CODE(KEYCODE_W) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('x') PORT_CHAR('X') PORT_CODE(KEYCODE_X) 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('z') PORT_CHAR('Z') PORT_CODE(KEYCODE_Z) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('`') PORT_CHAR('~') PORT_CODE(KEYCODE_TILDE) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('\'') PORT_CHAR('"') PORT_CODE(KEYCODE_QUOTE) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('\\') PORT_CHAR('|') PORT_CODE(KEYCODE_BACKSLASH) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Pause") PORT_CODE(KEYCODE_LALT) PORT_START("KSL6") // connector pin L PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Move Up") PORT_CHAR(UCHAR_MAMEKEY(HOME)) PORT_CODE(KEYCODE_PGUP) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('1') PORT_CHAR('!') PORT_CODE(KEYCODE_1) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('2') PORT_CHAR('@') PORT_CODE(KEYCODE_2) 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('4') PORT_CHAR('$') PORT_CODE(KEYCODE_4) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('5') PORT_CHAR('%') PORT_CODE(KEYCODE_5) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('6') PORT_CHAR('^') PORT_CODE(KEYCODE_6) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('7') PORT_CHAR('&') PORT_CODE(KEYCODE_7) PORT_START("KSL7") // connector pin K PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('8') PORT_CHAR('*') PORT_CODE(KEYCODE_8) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('9') PORT_CHAR('(') PORT_CODE(KEYCODE_9) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('-') PORT_CHAR('_') PORT_CODE(KEYCODE_MINUS) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(';') PORT_CHAR(':') PORT_CODE(KEYCODE_COLON) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(',') PORT_CHAR('<') PORT_CODE(KEYCODE_COMMA) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('=') PORT_CHAR('+') PORT_CODE(KEYCODE_EQUALS) 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('/') PORT_CHAR('?') PORT_CODE(KEYCODE_SLASH) PORT_START("KSL8") // connector pin J PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(ENTER_PAD)) PORT_CODE(KEYCODE_ENTER_PAD) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(0_PAD)) PORT_CODE(KEYCODE_0_PAD) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(DEL_PAD)) PORT_CODE(KEYCODE_DEL_PAD) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Move Down") PORT_CHAR(UCHAR_MAMEKEY(PGDN)) PORT_CODE(KEYCODE_PGDN) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('0') PORT_CHAR(')') PORT_CODE(KEYCODE_0) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad 1 SSA") PORT_CHAR(UCHAR_MAMEKEY(1_PAD)) PORT_CODE(KEYCODE_1_PAD) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad 2 " UTF8_DOWN) PORT_CHAR(UCHAR_MAMEKEY(2_PAD)) PORT_CODE(KEYCODE_2_PAD) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad 3 ESA") PORT_CHAR(UCHAR_MAMEKEY(3_PAD)) PORT_CODE(KEYCODE_3_PAD) PORT_START("KSL9") // connector pin H PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad 4 " UTF8_LEFT) PORT_CHAR(UCHAR_MAMEKEY(4_PAD)) PORT_CODE(KEYCODE_4_PAD) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad 5 Home") PORT_CHAR(UCHAR_MAMEKEY(5_PAD)) PORT_CODE(KEYCODE_5_PAD) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad 6 " UTF8_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(6_PAD)) PORT_CODE(KEYCODE_6_PAD) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad 7 T-Clr") PORT_CHAR(UCHAR_MAMEKEY(7_PAD)) PORT_CODE(KEYCODE_7_PAD) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad 8 " UTF8_UP) PORT_CHAR(UCHAR_MAMEKEY(8_PAD)) PORT_CODE(KEYCODE_8_PAD) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad 9 T-Set") PORT_CHAR(UCHAR_MAMEKEY(9_PAD)) PORT_CODE(KEYCODE_9_PAD) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Reset") PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Setup") PORT_START("KSL10") // connector pin F PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("PF1") PORT_CHAR(UCHAR_MAMEKEY(F1)) PORT_CODE(KEYCODE_F1) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("PF2") PORT_CHAR(UCHAR_MAMEKEY(F2)) PORT_CODE(KEYCODE_F2) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("PF3") PORT_CHAR(UCHAR_MAMEKEY(F3)) PORT_CODE(KEYCODE_F3) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Back Space") PORT_CHAR(0x08) PORT_CODE(KEYCODE_BACKSPACE) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("PF4") PORT_CHAR(UCHAR_MAMEKEY(F4)) PORT_CODE(KEYCODE_F4) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Break") PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("PF5") PORT_CHAR(UCHAR_MAMEKEY(F5)) PORT_CODE(KEYCODE_F5) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("PF6") PORT_CHAR(UCHAR_MAMEKEY(F6)) PORT_CODE(KEYCODE_F6) PORT_START("KSL11") // connector pin E PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Del") PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("PF7") PORT_CHAR(UCHAR_MAMEKEY(F7)) PORT_CODE(KEYCODE_F7) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("PF8") PORT_CHAR(UCHAR_MAMEKEY(F8)) PORT_CODE(KEYCODE_F8) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("PF9") PORT_CHAR(UCHAR_MAMEKEY(F9)) PORT_CODE(KEYCODE_F9) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("PF10") PORT_CHAR(UCHAR_MAMEKEY(F10)) PORT_CODE(KEYCODE_F10) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("PF11") PORT_CHAR(UCHAR_MAMEKEY(F11)) PORT_CODE(KEYCODE_F11) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("PF12") PORT_CHAR(UCHAR_MAMEKEY(F12)) PORT_CODE(KEYCODE_F12) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Erase") PORT_START("KSL12") // connector pin D PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Edit") PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Line Feed") PORT_CHAR(0x0a) PORT_CODE(KEYCODE_RALT) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Delete") PORT_CHAR(UCHAR_MAMEKEY(DEL)) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(']') PORT_CHAR('}') PORT_CODE(KEYCODE_CLOSEBRACE) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Insert") PORT_CHAR(UCHAR_MAMEKEY(INSERT)) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Print") PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Return") PORT_CHAR(0x0d) PORT_CODE(KEYCODE_ENTER) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Send") PORT_START("KSL13") // connector pin C PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("KSL14") // connector pin B PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("KSL15") // connector pin A PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) PORT_CODE(KEYCODE_CAPSLOCK) PORT_TOGGLE PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Space Bar") PORT_CHAR(' ') PORT_CODE(KEYCODE_SPACE) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Tab " UTF8_RIGHT " " UTF8_LEFT) PORT_CHAR(0x09) PORT_CODE(KEYCODE_TAB) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Ctrl") PORT_CHAR(UCHAR_MAMEKEY(LCONTROL)) PORT_CODE(KEYCODE_LCONTROL) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Esc") PORT_CHAR(0x1b) PORT_CODE(KEYCODE_ESC) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Left Shift") PORT_CHAR(UCHAR_MAMEKEY(LSHIFT)) PORT_CODE(KEYCODE_LSHIFT) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Right Shift") PORT_CODE(KEYCODE_RSHIFT) // possibly the other way around PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) INPUT_PORTS_END void aaa_state::aaa(machine_config &config) { Z80(config, m_maincpu, 18.414_MHz_XTAL / 5); m_maincpu->set_addrmap(AS_PROGRAM, &aaa_state::mem_map); m_maincpu->set_addrmap(AS_IO, &aaa_state::io_map); NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_0); // NEC D444C x2 + 3V lithium battery LS259(config, "ctrllatch"); // 1B on main board input_merger_device &usartint(INPUT_MERGER_ANY_HIGH(config, "usartint")); // open collector usartint.output_handler().set_inputline(m_maincpu, INPUT_LINE_IRQ0); MC2661(config, m_usart[0], 5.0688_MHz_XTAL); // 16F on I/O board m_usart[0]->txrdy_handler().set("usartint", FUNC(input_merger_device::in_w<0>)); m_usart[0]->rxrdy_handler().set("usartint", FUNC(input_merger_device::in_w<1>)); m_usart[0]->txemt_dschg_handler().set("usartint", FUNC(input_merger_device::in_w<2>)); m_usart[0]->txd_handler().set("printer", FUNC(rs232_port_device::write_txd)); m_usart[0]->rts_handler().set("printer", FUNC(rs232_port_device::write_rts)); m_usart[0]->dtr_handler().set("printer", FUNC(rs232_port_device::write_dtr)); MC2661(config, m_usart[1], 5.0688_MHz_XTAL); // 18F on I/O board m_usart[1]->txrdy_handler().set("usartint", FUNC(input_merger_device::in_w<3>)); m_usart[1]->rxrdy_handler().set("usartint", FUNC(input_merger_device::in_w<4>)); m_usart[1]->txemt_dschg_handler().set("usartint", FUNC(input_merger_device::in_w<5>)); m_usart[1]->txd_handler().set("computer", FUNC(rs232_port_device::write_txd)); m_usart[1]->rts_handler().set("computer", FUNC(rs232_port_device::write_rts)); m_usart[1]->dtr_handler().set("computer", FUNC(rs232_port_device::write_dtr)); SCREEN(config, m_screen, SCREEN_TYPE_RASTER); m_screen->set_raw(18.414_MHz_XTAL, 990, 0, 800, 310, 0, 240); m_screen->set_screen_update(FUNC(aaa_state::screen_update)); rs232_port_device &computer(RS232_PORT(config, "computer", default_rs232_devices, nullptr)); computer.rxd_handler().set(m_usart[1], FUNC(mc2661_device::rx_w)); computer.cts_handler().set(m_usart[1], FUNC(mc2661_device::cts_w)); computer.dsr_handler().set(m_usart[1], FUNC(mc2661_device::dsr_w)); rs232_port_device &printer(RS232_PORT(config, "printer", default_rs232_devices, nullptr)); printer.rxd_handler().set(m_usart[0], FUNC(mc2661_device::rx_w)); printer.cts_handler().set(m_usart[0], FUNC(mc2661_device::cts_w)); printer.dsr_handler().set(m_usart[0], FUNC(mc2661_device::dsr_w)); } /************************************************************************************************************** Ann Arbor Ambassador. Chips: Z80A, M58725P-15, 6x MK4116N-36P, 2x SCN2651C, nvram, button-battery Crystals: 18.414, 5.0688 ***************************************************************************************************************/ ROM_START( aaa ) ROM_REGION(0x2000, "loprog", 0) ROM_LOAD( "459_1.bin", 0x0000, 0x1000, CRC(55fb3e3b) SHA1(349cd257b1468827e1b389be7c989d0e4a13a5f1) ) ROM_LOAD( "459_3.bin", 0x1000, 0x1000, CRC(e1e84ca4) SHA1(42dc5f4211beee79178f0c03bb45c66833119eae) ) ROM_REGION(0x2000, "hiprog", 0) ROM_LOAD( "459_4.bin", 0x0000, 0x2000, CRC(4038aa89) SHA1(caf33c1f87aa396860324b9c73b35e4221f03d2e) ) ROM_REGION(0x1000, "font", 0) ROM_LOAD( "202510b.bin", 0x0000, 0x1000, CRC(deda4aa4) SHA1(0bce5a8dc260ba51f3e431d8da408eac1f41acf7) ) ROM_END COMP( 1981, aaa, 0, 0, aaa, aaa, aaa_state, empty_init, "Ann Arbor", "Ambassador", MACHINE_IS_SKELETON )