// license:BSD-3-Clause // copyright-holders:Phil Bennett /*************************************************************************** Fairlight Intelligent Alphanumeric Keyboard This ASCII serial keyboard was developed for Fairlight's Qasar System. The output signals are driven at RS232 levels, though the connector is custom. ***************************************************************************/ #include "emu.h" #include "cmi_ankbd.h" #include "cpu/m6800/m6800.h" #include "machine/clock.h" #include "machine/input_merger.h" DEFINE_DEVICE_TYPE(CMI_ALPHANUMERIC_KEYBOARD, cmi_alphanumeric_keyboard_device, "cmi_ankbd", "Fairlight Intelligent Alphanumeric Keyboard") cmi_alphanumeric_keyboard_device::cmi_alphanumeric_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) : device_t(mconfig, CMI_ALPHANUMERIC_KEYBOARD, tag, owner, clock) , m_txd_handler(*this) , m_rts_handler(*this) , m_kbdcpu(*this, "kbdcpu") , m_pia(*this, "pia") , m_row_ports(*this, "ROW%u", 0) { } void cmi_alphanumeric_keyboard_device::device_resolve_objects() { m_txd_handler.resolve_safe(); m_rts_handler.resolve_safe(); } void cmi_alphanumeric_keyboard_device::device_start() { } u8 cmi_alphanumeric_keyboard_device::col_r() { int row = m_pia->b_output() ^ 0xff; switch (row) { case 0x01: return m_row_ports[0]->read(); case 0x02: return m_row_ports[1]->read(); case 0x04: return m_row_ports[2]->read(); case 0x08: return m_row_ports[3]->read(); case 0x10: return m_row_ports[4]->read(); case 0x20: return m_row_ports[5]->read(); case 0x40: return m_row_ports[6]->read(); case 0x80: return m_row_ports[7]->read(); default: return 0xff; } } WRITE_LINE_MEMBER( cmi_alphanumeric_keyboard_device::rxd_w ) { m_pia->cb2_w(state); } WRITE_LINE_MEMBER( cmi_alphanumeric_keyboard_device::cts_w ) { m_pia->ca1_w(state); } WRITE_LINE_MEMBER( cmi_alphanumeric_keyboard_device::txd_w ) { m_txd_handler(state); } WRITE_LINE_MEMBER( cmi_alphanumeric_keyboard_device::rts_w ) { m_rts_handler(state); } void cmi_alphanumeric_keyboard_device::alphakeys_map(address_map &map) { map.unmap_value_high(); map(0x4000, 0x7fff).portr("OPTIONS"); map(0x8000, 0xbfff).rw(m_pia, FUNC(pia6821_device::read), FUNC(pia6821_device::write)); map(0xc000, 0xc3ff).rom().mirror(0x3c00); } static INPUT_PORTS_START( cmi_alphanumeric_keyboard ) /* Alphanumeric keyboard */ PORT_START("OPTIONS") PORT_DIPNAME( 0x07, 0x00, "Speed (baud)" ) PORT_DIPSETTING( 0x00, "9600" ) PORT_DIPSETTING( 0x01, "4800" ) PORT_DIPSETTING( 0x02, "2400" ) PORT_DIPSETTING( 0x03, "1200" ) PORT_DIPSETTING( 0x04, "600" ) PORT_DIPSETTING( 0x05, "300" ) PORT_DIPSETTING( 0x06, "150" ) PORT_DIPSETTING( 0x07, "110" ) PORT_DIPNAME( 0x30, 0x20, "Parity" ) PORT_DIPSETTING( 0x00, "Even" ) PORT_DIPSETTING( 0x10, "None, bit 7 is 0" ) PORT_DIPSETTING( 0x20, "Odd" ) PORT_DIPSETTING( 0x30, "None, bit 7 is 1" ) PORT_START("ROW0") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_PLUS_PAD) PORT_CHAR('+') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR(':') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_START("ROW1") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('T') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('U') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RIGHT) PORT_NAME("Right") PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_UP) PORT_NAME("Up") PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS_PAD) PORT_CHAR('-') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_START("ROW2") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC)) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('E') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('J') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Set") PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Add") PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_START("ROW3") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) PORT_NAME("LShift") PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('X') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('V') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('N') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DOWN) PORT_NAME("Down") PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Clear") PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("WTF") PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('L') PORT_START("ROW4") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('Q') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('W') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('G') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('M') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Home") PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('K') PORT_START("ROW5") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('Z') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('C') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('F') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_NAME("Return (a)") PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_NAME("Return (b)") PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('P') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('I') PORT_START("ROW6") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('A') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('D') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_CHAR('S') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('H') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Sub") PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RSHIFT) PORT_NAME("RShift") PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_START("ROW7") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LCONTROL) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('S') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('R') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('Y') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LEFT) PORT_NAME("Left") PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('O') INPUT_PORTS_END ioport_constructor cmi_alphanumeric_keyboard_device::device_input_ports() const { return INPUT_PORTS_NAME(cmi_alphanumeric_keyboard); } void cmi_alphanumeric_keyboard_device::device_add_mconfig(machine_config &config) { M6802(config, m_kbdcpu, 3.84_MHz_XTAL); m_kbdcpu->set_addrmap(AS_PROGRAM, &cmi_alphanumeric_keyboard_device::alphakeys_map); INPUT_MERGER_ANY_HIGH(config, "irqs").output_handler().set_inputline(m_kbdcpu, M6802_IRQ_LINE); PIA6821(config, m_pia); m_pia->readpa_handler().set(FUNC(cmi_alphanumeric_keyboard_device::col_r)); m_pia->ca2_handler().set(FUNC(cmi_alphanumeric_keyboard_device::rts_w)); m_pia->cb2_handler().set(FUNC(cmi_alphanumeric_keyboard_device::txd_w)); m_pia->irqa_handler().set("irqs", FUNC(input_merger_device::in_w<0>)); m_pia->irqb_handler().set("irqs", FUNC(input_merger_device::in_w<1>)); clock_device &pia_clock(CLOCK(config, "pia_clock", 3.84_MHz_XTAL / 4 / 100)); // E clock divided by MC14518 pia_clock.signal_handler().set(m_pia, FUNC(pia6821_device::cb1_w)); } ROM_START( cmi_ankbd ) // This dump has been trimmed to size from within a roughly 2x-bigger file. The actual size is known based // on the format apparently used by the dumping device. ROM_REGION( 0x10000, "kbdcpu", 0 ) ROM_LOAD( "cmikeys4.bin", 0xc000, 0x400, CRC(b214fbe9) SHA1(8c404f58ba3e5a50aa42f761e966c74374e96cc9) ) ROM_END const tiny_rom_entry *cmi_alphanumeric_keyboard_device::device_rom_region() const { return ROM_NAME(cmi_ankbd); }