diff options
Diffstat (limited to 'src/devices/bus/pc_kbd/pcat84.c')
-rw-r--r-- | src/devices/bus/pc_kbd/pcat84.c | 641 |
1 files changed, 641 insertions, 0 deletions
diff --git a/src/devices/bus/pc_kbd/pcat84.c b/src/devices/bus/pc_kbd/pcat84.c new file mode 100644 index 00000000000..471333e9d18 --- /dev/null +++ b/src/devices/bus/pc_kbd/pcat84.c @@ -0,0 +1,641 @@ +// license:BSD-3-Clause +// copyright-holders:Curt Coder +/********************************************************************** + + IBM Model F PC/AT 84-key / 3270PC 122-key keyboard emulation + +*********************************************************************/ + +/* + + TODO: + + - cpu LC timing + - 3270PC keys + +*/ + +/* + + Part No Layout + ------------------- + 6450225 UK 84-key + 6110344 UK 122-key + +*/ + +#include "pcat84.h" + + + +//************************************************************************** +// MACROS / CONSTANTS +//************************************************************************** + +#define I8048_TAG "m5" + + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +const device_type PC_KBD_IBM_PC_AT_84 = &device_creator<ibm_pc_at_84_keyboard_device>; +const device_type PC_KBD_IBM_3270PC_122 = &device_creator<ibm_3270pc_122_keyboard_device>; + + +//------------------------------------------------- +// ROM( ibm_pc_at_84_keyboard ) +//------------------------------------------------- + +ROM_START( ibm_pc_at_84_keyboard ) + ROM_REGION( 0x400, I8048_TAG, 0 ) + /* + Keyboard Part No 6450225 + + PH 1503099 + D 878154 + 8441 D H + */ + ROM_LOAD( "1503099.m5", 0x000, 0x400, CRC(1e921f37) SHA1(5f722bdb3b57f5a532c02a5c3f78f30d785796f2) ) +ROM_END + + +//------------------------------------------------- +// rom_region - device-specific ROM region +//------------------------------------------------- + +const rom_entry *ibm_pc_at_84_keyboard_device::device_rom_region() const +{ + return ROM_NAME( ibm_pc_at_84_keyboard ); +} + + +//------------------------------------------------- +// ROM( ibm_3270pc_122_keyboard ) +//------------------------------------------------- + +ROM_START( ibm_3270pc_122_keyboard ) + ROM_REGION( 0x400, I8048_TAG, 0 ) + /* + Keyboard Part No 6110344 + + PH 1385001 + D + 8512 D H + */ + ROM_LOAD( "1385001.m5", 0x000, 0x400, CRC(c19767e9) SHA1(a3701e4617383a4de0fd5e2e86c4b74beaf94a7b) ) +ROM_END + + +//------------------------------------------------- +// rom_region - device-specific ROM region +//------------------------------------------------- + +const rom_entry *ibm_3270pc_122_keyboard_device::device_rom_region() const +{ + return ROM_NAME( ibm_3270pc_122_keyboard ); +} + + +//------------------------------------------------- +// ADDRESS_MAP( kb_io ) +//------------------------------------------------- + +static ADDRESS_MAP_START( ibm_pc_at_84_keyboard_io, AS_IO, 8, ibm_pc_at_84_keyboard_device ) + AM_RANGE(MCS48_PORT_BUS, MCS48_PORT_BUS) AM_READNOP AM_WRITE(bus_w) + AM_RANGE(MCS48_PORT_P1, MCS48_PORT_P1) AM_READWRITE(p1_r, p1_w) + AM_RANGE(MCS48_PORT_P2, MCS48_PORT_P2) AM_READWRITE(p2_r, p2_w) + AM_RANGE(MCS48_PORT_T0, MCS48_PORT_T0) AM_READ(t0_r) + AM_RANGE(MCS48_PORT_T1, MCS48_PORT_T1) AM_READ(t1_r) +ADDRESS_MAP_END + + +//------------------------------------------------- +// MACHINE_DRIVER( ibm_pc_at_84_keyboard ) +//------------------------------------------------- + +static MACHINE_CONFIG_FRAGMENT( ibm_pc_at_84_keyboard ) + MCFG_CPU_ADD(I8048_TAG, I8048, 5364000) + MCFG_CPU_IO_MAP(ibm_pc_at_84_keyboard_io) +MACHINE_CONFIG_END + + +//------------------------------------------------- +// machine_config_additions - device-specific +// machine configurations +//------------------------------------------------- + +machine_config_constructor ibm_pc_at_84_keyboard_device::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME( ibm_pc_at_84_keyboard ); +} + + +//------------------------------------------------- +// INPUT_PORTS( ibm_pc_at_84_keyboard ) +//------------------------------------------------- + +INPUT_PORTS_START( ibm_pc_at_84_keyboard ) + PORT_START("DR00") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F9) PORT_CHAR(UCHAR_MAMEKEY(F9)) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F7) PORT_CHAR(UCHAR_MAMEKEY(F7)) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F5) PORT_CHAR(UCHAR_MAMEKEY(F5)) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F3) PORT_CHAR(UCHAR_MAMEKEY(F3)) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1)) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(F2)) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED ) + + PORT_START("DR01") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F10) PORT_CHAR(UCHAR_MAMEKEY(F10)) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F8) PORT_CHAR(UCHAR_MAMEKEY(F8)) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F6) PORT_CHAR(UCHAR_MAMEKEY(F6)) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F4) PORT_CHAR(UCHAR_MAMEKEY(F4)) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_TAB) PORT_CHAR(UCHAR_MAMEKEY(TAB)) + 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("DR02") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_LALT) PORT_CHAR(UCHAR_MAMEKEY(LALT)) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_SHIFT_2) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED ) + + PORT_START("DR03") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A') + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('@') + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED ) + + PORT_START("DR04") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C') + 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_D) PORT_CHAR('d') PORT_CHAR('D') + 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_4) PORT_CHAR('4') PORT_CHAR('$') + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED ) + + PORT_START("DR05") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V') + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T') + 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_5) PORT_CHAR('5') PORT_CHAR('%') + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED ) + + PORT_START("DR06") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N') + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B') + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H') + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G') + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y') + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('^') + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED ) + + PORT_START("DR07") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M') + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J') + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('&') + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('*') + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED ) + + PORT_START("DR08") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<') + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K') + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I') + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O') + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR(')') + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR('(') + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED ) + + PORT_START("DR09") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>') + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?') + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L') + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR(':') + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P') + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('_') + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED ) + + PORT_START("DR10") + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_SPECIAL ) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\'') PORT_CHAR('"') + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNUSED ) + 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_EQUALS) PORT_CHAR('=') PORT_CHAR('+') + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1) + + PORT_START("DR11") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}') + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_TILDE) PORT_CHAR('`') PORT_CHAR('~') + 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("DR12") + 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_KEYBOARD ) PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED ) + + PORT_START("DR13") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 1 End") PORT_CODE(KEYCODE_1_PAD) PORT_CHAR(UCHAR_MAMEKEY(1_PAD)) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 4 " UTF8_LEFT) PORT_CODE(KEYCODE_4_PAD) PORT_CHAR(UCHAR_MAMEKEY(4_PAD)) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 7 Home") PORT_CODE(KEYCODE_7_PAD) PORT_CHAR(UCHAR_MAMEKEY(7_PAD)) + 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("DR14") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 0 Ins") PORT_CODE(KEYCODE_0_PAD) PORT_CHAR(UCHAR_MAMEKEY(0_PAD)) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad . Del") PORT_CODE(KEYCODE_DEL_PAD) PORT_CHAR(UCHAR_MAMEKEY(DEL_PAD)) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 2 " UTF8_DOWN) PORT_CODE(KEYCODE_2_PAD) PORT_CHAR(UCHAR_MAMEKEY(2_PAD)) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5_PAD) PORT_CHAR(UCHAR_MAMEKEY(5_PAD)) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 6 " UTF8_RIGHT) PORT_CODE(KEYCODE_6_PAD) PORT_CHAR(UCHAR_MAMEKEY(6_PAD)) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 8 " UTF8_UP) PORT_CODE(KEYCODE_8_PAD) PORT_CHAR(UCHAR_MAMEKEY(8_PAD)) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC)) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_NUMLOCK) PORT_CHAR(UCHAR_MAMEKEY(NUMLOCK)) + + PORT_START("DR15") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PLUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(PLUS_PAD)) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 3 PgDn") PORT_CODE(KEYCODE_3_PAD) PORT_CHAR(UCHAR_MAMEKEY(3_PAD)) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_MINUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(MINUS_PAD)) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad * PrtSc") PORT_CODE(KEYCODE_ASTERISK) PORT_CHAR(UCHAR_MAMEKEY(ASTERISK)) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 9 PgUp") PORT_CODE(KEYCODE_9_PAD) PORT_CHAR(UCHAR_MAMEKEY(9_PAD)) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Scroll Lock Break") PORT_CODE(KEYCODE_SCRLOCK) PORT_CHAR(UCHAR_MAMEKEY(SCRLOCK)) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Sys Req") +INPUT_PORTS_END + + +//------------------------------------------------- +// input_ports - device-specific input ports +//------------------------------------------------- + +ioport_constructor ibm_pc_at_84_keyboard_device::device_input_ports() const +{ + return INPUT_PORTS_NAME( ibm_pc_at_84_keyboard ); +} + + +//------------------------------------------------- +// INPUT_PORTS( ibm_3270pc_122_keyboard ) +//------------------------------------------------- + +INPUT_PORTS_START( ibm_3270pc_122_keyboard ) + PORT_INCLUDE(ibm_pc_at_84_keyboard) + + PORT_START("KBDIDA") + PORT_DIPUNUSED( 0x01, IP_ACTIVE_LOW ) + PORT_DIPUNUSED( 0x02, IP_ACTIVE_LOW ) + PORT_DIPUNUSED( 0x04, IP_ACTIVE_LOW ) + PORT_DIPUNUSED( 0x08, IP_ACTIVE_LOW ) + PORT_DIPUNUSED( 0x10, IP_ACTIVE_LOW ) + PORT_DIPUNUSED( 0x20, IP_ACTIVE_LOW ) + + PORT_START("KBDIDB") + PORT_DIPUNUSED( 0x01, IP_ACTIVE_LOW ) + PORT_DIPUNUSED( 0x02, IP_ACTIVE_LOW ) + PORT_DIPUNUSED( 0x04, IP_ACTIVE_LOW ) + PORT_DIPUNUSED( 0x08, IP_ACTIVE_LOW ) + PORT_DIPUNUSED( 0x10, IP_ACTIVE_LOW ) + PORT_DIPUNUSED( 0x20, IP_ACTIVE_LOW ) +INPUT_PORTS_END + + +//------------------------------------------------- +// input_ports - device-specific input ports +//------------------------------------------------- + +ioport_constructor ibm_3270pc_122_keyboard_device::device_input_ports() const +{ + return INPUT_PORTS_NAME( ibm_3270pc_122_keyboard ); +} + + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// ibm_pc_at_84_keyboard_device - constructor +//------------------------------------------------- + +ibm_pc_at_84_keyboard_device::ibm_pc_at_84_keyboard_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source) + : device_t(mconfig, type, name, tag, owner, clock, shortname, source), + device_pc_kbd_interface(mconfig, *this), + m_maincpu(*this, I8048_TAG), + m_dr00(*this, "DR00"), + m_dr01(*this, "DR01"), + m_dr02(*this, "DR02"), + m_dr03(*this, "DR03"), + m_dr04(*this, "DR04"), + m_dr05(*this, "DR05"), + m_dr06(*this, "DR06"), + m_dr07(*this, "DR07"), + m_dr08(*this, "DR08"), + m_dr09(*this, "DR09"), + m_dr10(*this, "DR10"), + m_dr11(*this, "DR11"), + m_dr12(*this, "DR12"), + m_dr13(*this, "DR13"), + m_dr14(*this, "DR14"), + m_dr15(*this, "DR15"), + m_kbdida(*this, "KBDIDA"), + m_kbdidb(*this, "KBDIDB"), + m_db(0), + m_cnt(0), + m_sense(0), + m_t1(1) +{ +} + +ibm_pc_at_84_keyboard_device::ibm_pc_at_84_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) + : device_t(mconfig, PC_KBD_IBM_PC_AT_84, "IBM PC/AT Keyboard", tag, owner, clock, "kb_pcat84", __FILE__), + device_pc_kbd_interface(mconfig, *this), + m_maincpu(*this, I8048_TAG), + m_dr00(*this, "DR00"), + m_dr01(*this, "DR01"), + m_dr02(*this, "DR02"), + m_dr03(*this, "DR03"), + m_dr04(*this, "DR04"), + m_dr05(*this, "DR05"), + m_dr06(*this, "DR06"), + m_dr07(*this, "DR07"), + m_dr08(*this, "DR08"), + m_dr09(*this, "DR09"), + m_dr10(*this, "DR10"), + m_dr11(*this, "DR11"), + m_dr12(*this, "DR12"), + m_dr13(*this, "DR13"), + m_dr14(*this, "DR14"), + m_dr15(*this, "DR15"), + m_kbdida(*this, "KBDIDA"), + m_kbdidb(*this, "KBDIDB"), + m_db(0), + m_cnt(0), + m_sense(0), + m_t1(1) +{ +} + +ibm_3270pc_122_keyboard_device::ibm_3270pc_122_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) + : ibm_pc_at_84_keyboard_device(mconfig, PC_KBD_IBM_3270PC_122, "IBM 3270PC Keyboard", tag, owner, clock, "kb_3270pc", __FILE__) { } + + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void ibm_pc_at_84_keyboard_device::device_start() +{ + set_pc_kbdc_device(); + + // state saving + save_item(NAME(m_db)); + save_item(NAME(m_cnt)); + save_item(NAME(m_sense)); + save_item(NAME(m_t1)); +} + + +//------------------------------------------------- +// device_reset - device-specific reset +//------------------------------------------------- + +void ibm_pc_at_84_keyboard_device::device_reset() +{ + m_maincpu->reset(); +} + + +//------------------------------------------------- +// bus_w - +//------------------------------------------------- + +WRITE8_MEMBER( ibm_pc_at_84_keyboard_device::bus_w ) +{ + /* + + bit description + + 0 SENSE 0 + 1 SENSE 1 + 2 SENSE 2 + 3 CNT 0 + 4 CNT 1 + 5 CNT 2 + 6 CNT 3 + 7 CNT G + + */ + + m_db = data; + + if (!BIT(data, 7)) + { + m_cnt = (data >> 3) & 0x0f; + } +} + + +//------------------------------------------------- +// p1_r - +//------------------------------------------------- + +READ8_MEMBER( ibm_pc_at_84_keyboard_device::p1_r ) +{ + /* + + bit description + + 0 + 1 + 2 KBDID A1 + 3 KBDID A2 + 4 KBDID A3 + 5 KBDID A4 + 6 KBDID A5 + 7 KBDID A6 + + */ + + UINT8 data = 0; + + data |= m_kbdida->read() << 2; + + return data; +} + + +//------------------------------------------------- +// p1_w - +//------------------------------------------------- + +WRITE8_MEMBER( ibm_pc_at_84_keyboard_device::p1_w ) +{ + /* + + bit description + + 0 SENSE G + 1 T1 + 2 + 3 + 4 + 5 + 6 + 7 + + */ + + if (!BIT(data, 0)) + { + m_sense = m_db & 0x07; + } + + m_t1 = BIT(data, 1); +} + + +//------------------------------------------------- +// p2_r - +//------------------------------------------------- + +READ8_MEMBER( ibm_pc_at_84_keyboard_device::p2_r ) +{ + /* + + bit description + + 0 KBDID B1 + 1 KBDID B2 + 2 KBDID B3 + 3 KBDID B4 + 4 KBDID B5 + 5 KBDID B6 + 6 + 7 + + */ + + UINT8 data = 0xc0; + + data |= m_kbdidb->read(); + + return data; +} + + +//------------------------------------------------- +// p2_w - +//------------------------------------------------- + +WRITE8_MEMBER( ibm_pc_at_84_keyboard_device::p2_w ) +{ + /* + + bit description + + 0 SCROLL LED + 1 NUM LED + 2 CAPS LED + 3 + 4 + 5 + 6 CLOCK + 7 DATA + + */ + + output_set_led_value(LED_SCROLL, BIT(data, 0)); + output_set_led_value(LED_NUM, BIT(data, 1)); + output_set_led_value(LED_CAPS, BIT(data, 2)); + + m_pc_kbdc->data_write_from_kb(!BIT(data, 7)); + m_pc_kbdc->clock_write_from_kb(!BIT(data, 6)); +} + + +//------------------------------------------------- +// t0_r - +//------------------------------------------------- + +READ8_MEMBER( ibm_pc_at_84_keyboard_device::t0_r ) +{ + return !data_signal(); +} + + +//------------------------------------------------- +// t1_r - +//------------------------------------------------- + +READ8_MEMBER( ibm_pc_at_84_keyboard_device::t1_r ) +{ + return key_depressed(); +} + + +//------------------------------------------------- +// key_depressed - +//------------------------------------------------- + +int ibm_pc_at_84_keyboard_device::key_depressed() +{ + UINT8 data = 0xff; + + switch (m_cnt) + { + case 0: data = m_dr00->read(); break; + case 1: data = m_dr01->read(); break; + case 2: data = m_dr02->read(); break; + case 3: data = m_dr03->read(); break; + case 4: data = m_dr04->read(); break; + case 5: data = m_dr05->read(); break; + case 6: data = m_dr06->read(); break; + case 7: data = m_dr07->read(); break; + case 8: data = m_dr08->read(); break; + case 9: data = m_dr09->read(); break; + case 10: data = m_dr10->read(); break; + case 11: data = m_dr11->read(); break; + case 12: data = m_dr12->read(); break; + case 13: data = m_dr13->read(); break; + case 14: data = m_dr14->read(); break; + case 15: data = m_dr15->read(); break; + } + + return m_t1 && BIT(data, m_sense); +} |