diff options
Diffstat (limited to 'src/mess/machine/adam_kb.c')
-rw-r--r-- | src/mess/machine/adam_kb.c | 413 |
1 files changed, 413 insertions, 0 deletions
diff --git a/src/mess/machine/adam_kb.c b/src/mess/machine/adam_kb.c new file mode 100644 index 00000000000..509f3ab1a55 --- /dev/null +++ b/src/mess/machine/adam_kb.c @@ -0,0 +1,413 @@ +/********************************************************************** + + Coleco Adam keyboard emulation + + Copyright MESS Team. + Visit http://mamedev.org for licensing and usage restrictions. + +**********************************************************************/ + +#include "adam_kb.h" + + + +//************************************************************************** +// MACROS / CONSTANTS +//************************************************************************** + +#define M6801_TAG "u2" + + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +const device_type ADAM_KB = &device_creator<adam_keyboard_device>; + + +//------------------------------------------------- +// ROM( adam_kb ) +//------------------------------------------------- + +ROM_START( adam_kb ) + ROM_REGION( 0x800, M6801_TAG, 0 ) + ROM_LOAD( "keyboard.u2", 0x000, 0x800, CRC(ef204746) SHA1(83162ffc75847328a05429135b728a63efb05b93) ) +ROM_END + + +//------------------------------------------------- +// rom_region - device-specific ROM region +//------------------------------------------------- + +const rom_entry *adam_keyboard_device::device_rom_region() const +{ + return ROM_NAME( adam_kb ); +} + + +//------------------------------------------------- +// ADDRESS_MAP( adam_kb_mem ) +//------------------------------------------------- + +static ADDRESS_MAP_START( adam_kb_mem, AS_PROGRAM, 8, adam_keyboard_device ) + AM_RANGE(0x0000, 0x001f) AM_READWRITE_LEGACY(m6801_io_r, m6801_io_w) + AM_RANGE(0x0080, 0x00ff) AM_RAM + AM_RANGE(0xf800, 0xffff) AM_ROM AM_REGION(M6801_TAG, 0) +ADDRESS_MAP_END + + +//------------------------------------------------- +// ADDRESS_MAP( adam_kb_io ) +//------------------------------------------------- + +static ADDRESS_MAP_START( adam_kb_io, AS_IO, 8, adam_keyboard_device ) + AM_RANGE(M6801_PORT1, M6801_PORT1) AM_READ(p1_r) + AM_RANGE(M6801_PORT2, M6801_PORT2) AM_READWRITE(p2_r, p2_w) + AM_RANGE(M6801_PORT3, M6801_PORT3) AM_READWRITE(p3_r, p3_w) + AM_RANGE(M6801_PORT4, M6801_PORT4) AM_READWRITE(p4_r, p4_w) +ADDRESS_MAP_END + + +//------------------------------------------------- +// MACHINE_DRIVER( adam_kb ) +//------------------------------------------------- + +static MACHINE_CONFIG_FRAGMENT( adam_kb ) + MCFG_CPU_ADD(M6801_TAG, M6801, XTAL_4MHz) + MCFG_CPU_PROGRAM_MAP(adam_kb_mem) + MCFG_CPU_IO_MAP(adam_kb_io) +MACHINE_CONFIG_END + + +//------------------------------------------------- +// machine_config_additions - device-specific +// machine configurations +//------------------------------------------------- + +machine_config_constructor adam_keyboard_device::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME( adam_kb ); +} + + +//------------------------------------------------- +// INPUT_PORTS( adam_kb ) +//------------------------------------------------- + +static INPUT_PORTS_START( adam_kb ) + PORT_START("Y0") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("WILD CARD") PORT_CODE(KEYCODE_F7) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("I") PORT_CODE(KEYCODE_F1) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("II") PORT_CODE(KEYCODE_F2) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("III") PORT_CODE(KEYCODE_F3) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("IV") PORT_CODE(KEYCODE_F4) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("V") PORT_CODE(KEYCODE_F5) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("VI") PORT_CODE(KEYCODE_F6) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("UNDO") PORT_CODE(KEYCODE_F8) + + PORT_START("Y1") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('@') + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('_') + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('&') + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('*') + + PORT_START("Y2") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("TAB") PORT_CODE(KEYCODE_TAB) PORT_CHAR('\t') + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R') + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T') + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y') + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') + + PORT_START("Y3") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A') + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D') + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G') + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H') + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J') + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K') + + PORT_START("Y4") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X') + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C') + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V') + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B') + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N') + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M') + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<') + + PORT_START("Y5") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR('(') + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR(')') + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('\'') + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('+') PORT_CHAR('=') + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_TILDE) PORT_CHAR('^') PORT_CHAR('~') + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L') + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR(':') + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\'') PORT_CHAR('\"') + + PORT_START("Y6") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I') + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O') + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P') + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR('{') + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}') + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>') + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?') + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("RETURN") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) + + PORT_START("Y7") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') PORT_CHAR('|') + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("ESCAPE/WP") PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC)) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Space") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("MOVE/COPY") PORT_CODE(KEYCODE_INSERT) PORT_CHAR(UCHAR_MAMEKEY(INSERT)) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("STORE/GET") PORT_CODE(KEYCODE_HOME) PORT_CHAR(UCHAR_MAMEKEY(HOME)) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("CLEAR") PORT_CODE(KEYCODE_PGUP) PORT_CHAR(UCHAR_MAMEKEY(PGUP)) + + PORT_START("Y8") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(UTF8_UP) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP)) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(UTF8_RIGHT) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(UTF8_DOWN) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(UTF8_LEFT) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("BACKSPACE") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("INSERT") PORT_CODE(KEYCODE_DEL) PORT_CHAR(UCHAR_MAMEKEY(DEL)) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("PRINT") PORT_CODE(KEYCODE_END) PORT_CHAR(UCHAR_MAMEKEY(END)) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("DELETE") PORT_CODE(KEYCODE_PGDN) PORT_CHAR(UCHAR_MAMEKEY(PGDN)) + + PORT_START("Y9") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("CONTROL") PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_MAMEKEY(LCONTROL)) + PORT_BIT( 0xfe, IP_ACTIVE_LOW, IPT_UNUSED ) + + PORT_START("Y10") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("SHIFT") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1) + PORT_BIT( 0xfe, IP_ACTIVE_LOW, IPT_UNUSED ) + + PORT_START("Y11") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("LOCK") PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) + PORT_BIT( 0xfe, IP_ACTIVE_LOW, IPT_UNUSED ) + + PORT_START("Y12") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("HOME") PORT_CODE(KEYCODE_F9) + PORT_BIT( 0xfe, IP_ACTIVE_LOW, IPT_UNUSED ) +INPUT_PORTS_END + + +//------------------------------------------------- +// input_ports - device-specific input ports +//------------------------------------------------- + +ioport_constructor adam_keyboard_device::device_input_ports() const +{ + return INPUT_PORTS_NAME( adam_kb ); +} + + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// adam_keyboard_device - constructor +//------------------------------------------------- + +adam_keyboard_device::adam_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) + : device_t(mconfig, ADAM_KB, "Adam keyboard", tag, owner, clock), + device_adamnet_card_interface(mconfig, *this), + m_maincpu(*this, M6801_TAG), + m_key_y(0x1ff) +{ +} + + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void adam_keyboard_device::device_start() +{ + // state saving + save_item(NAME(m_key_y)); +} + + +//------------------------------------------------- +// adamnet_reset_w - +//------------------------------------------------- + +void adam_keyboard_device::adamnet_reset_w(int state) +{ + m_maincpu->set_input_line(INPUT_LINE_RESET, state); +} + + +//------------------------------------------------- +// p1_r - +//------------------------------------------------- + +READ8_MEMBER( adam_keyboard_device::p1_r ) +{ + /* + + bit description + + 0 X0 + 1 X1 + 2 X2 + 3 X3 + 4 X4 + 5 X5 + 6 X6 + 7 X7 + + */ + + UINT8 data = 0xff; + + if (!BIT(m_key_y, 0)) data &= ioport("Y0")->read(); + if (!BIT(m_key_y, 1)) data &= ioport("Y1")->read(); + if (!BIT(m_key_y, 2)) data &= ioport("Y2")->read(); + if (!BIT(m_key_y, 3)) data &= ioport("Y3")->read(); + if (!BIT(m_key_y, 4)) data &= ioport("Y4")->read(); + if (!BIT(m_key_y, 5)) data &= ioport("Y5")->read(); + if (!BIT(m_key_y, 6)) data &= ioport("Y6")->read(); + if (!BIT(m_key_y, 7)) data &= ioport("Y7")->read(); + if (!BIT(m_key_y, 8)) data &= ioport("Y8")->read(); + if (!BIT(m_key_y, 9)) data &= ioport("Y9")->read(); + if (!BIT(m_key_y, 10)) data &= ioport("Y10")->read(); + if (!BIT(m_key_y, 11)) data &= ioport("Y11")->read(); + if (!BIT(m_key_y, 12)) data &= ioport("Y12")->read(); + + return data; +} + + +//------------------------------------------------- +// p2_r - +//------------------------------------------------- + +READ8_MEMBER( adam_keyboard_device::p2_r ) +{ + /* + + bit description + + 0 mode bit 0 + 1 mode bit 1 + 2 mode bit 2 + 3 NET RXD + 4 + + */ + + UINT8 data = M6801_MODE_7; + + // NET RXD + data |= m_bus->rxd_r(this) << 3; + + return data; +} + + +//------------------------------------------------- +// p2_w - +//------------------------------------------------- + +WRITE8_MEMBER( adam_keyboard_device::p2_w ) +{ + /* + + bit description + + 0 + 1 + 2 + 3 + 4 NET TXD + + */ + + m_bus->txd_w(this, BIT(data, 4)); +} + + +//------------------------------------------------- +// p3_r - +//------------------------------------------------- + +READ8_MEMBER( adam_keyboard_device::p3_r ) +{ + return 0xff; +} + + +//------------------------------------------------- +// p3_w - +//------------------------------------------------- + +WRITE8_MEMBER( adam_keyboard_device::p3_w ) +{ + /* + + bit description + + 0 Y0 + 1 Y1 + 2 Y2 + 3 Y3 + 4 Y4 + 5 Y5 + 6 Y6 + 7 Y7 + + */ + + m_key_y = (m_key_y & 0x1f00) | data; +} + + +//------------------------------------------------- +// p4_r - +//------------------------------------------------- + +READ8_MEMBER( adam_keyboard_device::p4_r ) +{ + return 0xff; +} + + +//------------------------------------------------- +// p4_w - +//------------------------------------------------- + +WRITE8_MEMBER( adam_keyboard_device::p4_w ) +{ + /* + + bit description + + 0 Y8 + 1 Y9 + 2 Y10 + 3 Y11 + 4 Y12 + 5 + 6 + 7 + + */ + + m_key_y = ((data & 0x1f) << 8) | (m_key_y & 0xff); +} |