From 6038ff41f7d7e899e7589091ef82539c6baf9879 Mon Sep 17 00:00:00 2001 From: Patrick Mackinlay Date: Tue, 25 Feb 2020 20:32:57 +0700 Subject: rtpc keyboard: new device (nw) The host is a long way from being done, but the keyboard seems to be working well enough already. --- scripts/src/bus.lua | 14 ++ src/devices/bus/rtpc/kbd.cpp | 467 +++++++++++++++++++++++++++++++++++++++ src/devices/bus/rtpc/kbd.h | 47 ++++ src/devices/bus/rtpc/kbd_con.cpp | 129 +++++++++++ src/devices/bus/rtpc/kbd_con.h | 80 +++++++ 5 files changed, 737 insertions(+) create mode 100644 src/devices/bus/rtpc/kbd.cpp create mode 100644 src/devices/bus/rtpc/kbd.h create mode 100644 src/devices/bus/rtpc/kbd_con.cpp create mode 100644 src/devices/bus/rtpc/kbd_con.h diff --git a/scripts/src/bus.lua b/scripts/src/bus.lua index 990709c7fb4..7bfef275e8b 100644 --- a/scripts/src/bus.lua +++ b/scripts/src/bus.lua @@ -4136,3 +4136,17 @@ if (BUSES["MULTIBUS"]~=null) then MAME_DIR .. "src/devices/bus/multibus/isbc202.h", } end + +--------------------------------------------------- +-- +--@src/devices/bus/rtpc/kbd_con.h,BUSES["RTPC_KBD"] = true +--------------------------------------------------- + +if (BUSES["RTPC_KBD"]~=null) then + files { + MAME_DIR .. "src/devices/bus/rtpc/kbd_con.cpp", + MAME_DIR .. "src/devices/bus/rtpc/kbd_con.h", + MAME_DIR .. "src/devices/bus/rtpc/kbd.cpp", + MAME_DIR .. "src/devices/bus/rtpc/kbd.h", + } +end diff --git a/src/devices/bus/rtpc/kbd.cpp b/src/devices/bus/rtpc/kbd.cpp new file mode 100644 index 00000000000..2c47cbaa4ff --- /dev/null +++ b/src/devices/bus/rtpc/kbd.cpp @@ -0,0 +1,467 @@ +// license:BSD-3-Clause +// copyright-holders:Patrick Mackinlay + +/* + * IBM RT PC keyboard. + * + * There are at least two distinct variants of the RT PC keyboard. One appears + * very similar to the IBM Model M 101-key keyboard, and uses a conventional + * matrix scan to detect keypresses. The variant emulated here has individually + * addressable capacitive switches, an i8749-compatible microcontroller and is + * labelled 556-712-01. + * + * The keyboard uses an AT or PS/2 compatible protocol, however it connects via + * a 6-pin AMP connector which also contains speaker control lines. The command + * set and scan codes are very similar to a PC keyboard (scan code "set 3"). + * + * Sources: + * - http://bitsavers.org/pdf/ibm/pc/rt/6489893_RT_PC_Technical_Reference_Volume_1_Nov85.pdf + * + * Key switches are addressed using an 8 bit code as follows: + * + * ggrrrccc + * + * Where: + * + * gg is a group of keys (only groups 0, 1 and 3 are used) + * rrr is a row, from 0 to 5 (rows 6 and 7 are unused) + * ccc is a column within the group, from left to right + * + * This diagram approximates the keyboard layout, and shows the groups, rows + * and encoded key addresses. + * + * Row |------ group 0 ------| |------- group 1 -------| |---- group 3 ----| + * 0 00 02 03 04 05 06 07 40 41 43 44 45 46 47 c0 c1 + * 1 08 09 0a 0b 0c 0d 0e 0f 48 49 4a 4b 4c 4e 4f c8 c9 ca cb cc cd + * 2 10 11 12 13 14 15 16 17 50 51 52 53 54 55 57 d0 d1 d2 d3 d4 + * 3 18 19 1a 1b 1c 1d 1e 1f 58 59 5a 5b 5c 5d da db dc dd + * 4 20 21 22 23 24 25 26 27 60 61 62 63 64 e0 e2 e3 e4 + * 5 28 2a 2e 6b 6d 6f e8 e9 ea ec ed + * + * Two key addresses (21 and 5c) are scanned and produce scan codes, but do not + * have corresponding keys on this keyboard; they are probably used in other + * language configurations. + */ + +#include "emu.h" +#include "kbd.h" + +#include "sound/spkrdev.h" +#include "speaker.h" + +#define LOG_GENERAL (1U << 0) +#define LOG_PORTS (1U << 1) + +//#define VERBOSE (LOG_GENERAL) +#include "logmacro.h" + +DEFINE_DEVICE_TYPE(RTPC_KBD, rtpc_kbd_device, "rtpc_kbd", "IBM PC RT Keyboard") + +rtpc_kbd_device::rtpc_kbd_device(machine_config const &mconfig, char const *tag, device_t *owner, u32 clock) + : device_t(mconfig, RTPC_KBD, tag, owner, clock) + , device_rtpc_kbd_interface(mconfig, *this) + , m_mcu(*this, "mcu") + , m_matrix{ { *this, "g0.col.%d", 0U }, { *this, "g1.col.%d", 0U }, {*this, "g2.col.%d", 0U }, { *this, "g3.col.%d", 0U } } + , m_leds(*this, "kbd_led%x", 0U) +{ +} + +void rtpc_kbd_device::device_add_mconfig(machine_config &config) +{ + // NEC D8749HD + I8749(config, m_mcu, 11_MHz_XTAL); + + // inputs + m_mcu->p2_in_cb().set([this]() { return m_p2; }); + m_mcu->t0_in_cb().set([this]() { return clock_signal(); }); + m_mcu->t1_in_cb().set([this]() { return int(m_t1); }); + + // outputs + m_mcu->bus_out_cb().set(FUNC(rtpc_kbd_device::bus_w)); + m_mcu->p1_out_cb().set(FUNC(rtpc_kbd_device::p1_w)); + m_mcu->p2_out_cb().set(FUNC(rtpc_kbd_device::p2_w)); + + // the speaker is physically present inside the keyboard housing, but it + // is wired to and controlled directly by the host; it is not connected to + // the keyboard mcu at all + SPEAKER(config, "mono").front_left(); + speaker_sound_device &speaker(SPEAKER_SOUND(config, "speaker")); + speaker.add_route(ALL_OUTPUTS, "mono", 0.50); +} + +void rtpc_kbd_device::device_start() +{ + save_item(NAME(m_t1)); + save_item(NAME(m_bus)); + save_item(NAME(m_p1)); + save_item(NAME(m_p2)); + + m_leds.resolve(); + + m_t1 = true; + m_bus = 0xff; + m_p1 = 0xff; + m_p2 = 0xff; +} + +void rtpc_kbd_device::device_reset() +{ +} + +void rtpc_kbd_device::bus_w(u8 data) +{ + LOGMASKED(LOG_PORTS, "bus_w 0x%02x (%s)\n", data, machine().describe_context()); + + m_bus = data; +} + +void rtpc_kbd_device::p1_w(u8 data) +{ + LOGMASKED(LOG_PORTS, "p1_w 0x%02x (%s)\n", data, machine().describe_context()); + + // bit purpose + // 0-2 used by keyboard scan + // 3-5 unused + // 6 clock out + // 7 data out + + if (VERBOSE & LOG_GENERAL) + { + if ((m_mcu->pc() == 0x675 || m_mcu->pc() == 0x65e)) + { + auto const suppressor(machine().disable_side_effects()); + + address_space &mcu_ram(m_mcu->space(AS_DATA)); + const u8 bit_count(mcu_ram.read_byte(0x18)); + const u8 byte(mcu_ram.read_byte(0x58)); + + if (bit_count == 8) + LOG("tx byte 0x%02x\n", byte); + } + else if (m_mcu->pc() == 0x6cc) + { + auto const suppressor(machine().disable_side_effects()); + + // r0' == 2 -> receive parity & stop + address_space &mcu_ram(m_mcu->space(AS_DATA)); + const u8 bit_count(mcu_ram.read_byte(0x18)); + const u8 byte(mcu_ram.read_byte(0x59)); + + if (bit_count == 2) + LOG("rx byte 0x%02x\n", byte); + } + } + + if (BIT(m_p1 ^ data, 7)) + data_w(BIT(data, 7)); + + if (BIT(m_p1 ^ data, 6)) + clock_w(BIT(data, 6)); + + // test key down + // TODO: not sure exactly how bits 0..2 gate or enable the sample + if (BIT(m_p1, 1) && BIT(m_p1, 2) && !BIT(data, 2)) + m_t1 = BIT(m_matrix[m_bus >> 6][m_bus & 7]->read(), (m_bus >> 3) & 7); + + m_p1 = data; +} + +void rtpc_kbd_device::p2_w(u8 data) +{ + LOGMASKED(LOG_PORTS, "p2_w 0x%02x (%s)\n", data, machine().describe_context()); + + // bit purpose + // 0 num lock led + // 1 caps lock led + // 2 scroll lock led + // 3-6 unused + // 7 keyboard id (i/o) + + m_leds[0] = BIT(data, 0); + m_leds[1] = BIT(data, 1); + m_leds[2] = BIT(data, 2); + + m_p2 = data; +} + +void rtpc_kbd_device::data_w(int state) +{ + m_mcu->set_input_line(MCS48_INPUT_IRQ, !state); +} + +INPUT_PORTS_START(rtpc_kbd_device) + // pos 110, 1, 16, 30, 44, 58 + PORT_START("g0.col.0") + 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_TILDE) PORT_CHAR('`') PORT_CHAR('~') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TAB) PORT_CHAR(UCHAR_MAMEKEY(TAB)) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_MAMEKEY(LSHIFT)) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_MAMEKEY(LCONTROL)) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) + + // pos , 2, 17, 31, 45, 59 + PORT_START("g0.col.1") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') + 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_UNUSED) // position 45 scan code 0x13 + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) + + // pos 112, 3, 18, 32, 46, 60 + PORT_START("g0.col.2") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1)) + 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_W) PORT_CHAR('w') PORT_CHAR('W') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LALT) PORT_CHAR(UCHAR_MAMEKEY(LALT)) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) + + // pos 113, 4, 19, 33, 47 + PORT_START("g0.col.3") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(F2)) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) + + // pos 114, 5, 20, 34, 48 + PORT_START("g0.col.4") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F3) PORT_CHAR(UCHAR_MAMEKEY(F3)) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R') + 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_C) PORT_CHAR('c') PORT_CHAR('C') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) + + // pos 115, 6, 21, 35, 49 + PORT_START("g0.col.5") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F4) PORT_CHAR(UCHAR_MAMEKEY(F4)) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T') + 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_V) PORT_CHAR('v') PORT_CHAR('V') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) + + // pos 116, 7, 22, 36, 50, 61 + PORT_START("g0.col.6") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F5) PORT_CHAR(UCHAR_MAMEKEY(F5)) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('^') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H') + 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_SPACE) PORT_CHAR(' ') + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) + + // pos 117, 8, 23, 37, 51 + PORT_START("g0.col.7") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F6) PORT_CHAR(UCHAR_MAMEKEY(F6)) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('&') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) + + // pos 118, 9, 24, 38, 52 + PORT_START("g1.col.0") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F7) PORT_CHAR(UCHAR_MAMEKEY(F7)) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('*') + 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_K) PORT_CHAR('k') PORT_CHAR('K') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) + + // pos 119, 10, 25, 39, 53 + PORT_START("g1.col.1") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F8) PORT_CHAR(UCHAR_MAMEKEY(F8)) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR('(') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) + + // pos , 11, 26, 40, 54 + PORT_START("g1.col.2") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) + 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_P) PORT_CHAR('p') PORT_CHAR('P') + 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_STOP) PORT_CHAR('.') PORT_CHAR('>') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) + + // pos 120, 12, 27, 41, 55, 62 + PORT_START("g1.col.3") + 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_MINUS) PORT_CHAR('-') PORT_CHAR('_') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR('{') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\'') PORT_CHAR('"') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RALT) PORT_CHAR(UCHAR_MAMEKEY(RALT)) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) + + // pos 121, 13, 28, 42, 57 + PORT_START("g1.col.4") + 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_EQUALS) PORT_CHAR('=') PORT_CHAR('+') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED) // position 42 scan code 0x53 + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_MAMEKEY(RSHIFT)) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) + + // pos 122, , 29, 43, , 64 + PORT_START("g1.col.5") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F11) PORT_CHAR(UCHAR_MAMEKEY(F11)) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') PORT_CHAR('|') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RCONTROL) PORT_CHAR(UCHAR_MAMEKEY(RCONTROL)) PORT_NAME("Action") + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) + + // pos 123, 15 + PORT_START("g1.col.6") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F12) PORT_CHAR(UCHAR_MAMEKEY(F12)) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) + 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) + + // pos 124, 75, 76, , , 79 + PORT_START("g1.col.7") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_PRTSCR) PORT_CHAR(UCHAR_MAMEKEY(PRTSCR)) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_INSERT) PORT_CHAR(UCHAR_MAMEKEY(INSERT)) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DEL) PORT_CHAR(UCHAR_MAMEKEY(DEL)) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) + + // group 2 is unused + PORT_START("g2.col.0") + PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_START("g2.col.1") + PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_START("g2.col.2") + PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_START("g2.col.3") + PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_START("g2.col.4") + PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_START("g2.col.5") + PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_START("g2.col.6") + PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_START("g2.col.7") + PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) + + PORT_START("g3.col.0") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SCRLOCK) PORT_CHAR(UCHAR_MAMEKEY(SCRLOCK)) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_HOME) PORT_CHAR(UCHAR_MAMEKEY(HOME)) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_END) PORT_CHAR(UCHAR_MAMEKEY(END)) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP)) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) + + PORT_START("g3.col.1") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_PAUSE) PORT_CHAR(UCHAR_MAMEKEY(PAUSE)) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_PGUP) PORT_CHAR(UCHAR_MAMEKEY(PGUP)) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_PGDN) PORT_CHAR(UCHAR_MAMEKEY(PGDN)) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) + + PORT_START("g3.col.2") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_NUMLOCK) PORT_CHAR(UCHAR_MAMEKEY(NUMLOCK)) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7_PAD) PORT_CHAR(UCHAR_MAMEKEY(7_PAD)) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4_PAD) PORT_CHAR(UCHAR_MAMEKEY(4_PAD)) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1_PAD) PORT_CHAR(UCHAR_MAMEKEY(1_PAD)) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0_PAD) PORT_CHAR(UCHAR_MAMEKEY(0_PAD)) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) + + PORT_START("g3.col.3") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH_PAD) PORT_CHAR(UCHAR_MAMEKEY(SLASH_PAD)) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8_PAD) PORT_CHAR(UCHAR_MAMEKEY(8_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_CODE(KEYCODE_2_PAD) PORT_CHAR(UCHAR_MAMEKEY(2_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("g3.col.4") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ASTERISK) PORT_CHAR(UCHAR_MAMEKEY(ASTERISK)) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9_PAD) PORT_CHAR(UCHAR_MAMEKEY(9_PAD)) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6_PAD) PORT_CHAR(UCHAR_MAMEKEY(6_PAD)) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3_PAD) PORT_CHAR(UCHAR_MAMEKEY(3_PAD)) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DEL_PAD) PORT_CHAR(UCHAR_MAMEKEY(DEL_PAD)) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) + + PORT_START("g3.col.5") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(MINUS_PAD)) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_PLUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(PLUS_PAD)) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER_PAD) PORT_CHAR(UCHAR_MAMEKEY(ENTER_PAD)) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) + + // group 3 columns 6 and 7 unused + PORT_START("g3.col.6") + PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_START("g3.col.7") + PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) +INPUT_PORTS_END + +ioport_constructor rtpc_kbd_device::device_input_ports() const +{ + return INPUT_PORTS_NAME(rtpc_kbd_device); +} + +ROM_START(rtpc_kbd_device) + ROM_REGION(0x800, "mcu", 0) + ROM_LOAD("71201_8749.bin", 0x000, 0x800, CRC(4c44e488) SHA1(d7305e978e9c047a34d2c26176ce7ac0467f1219)) +ROM_END + +const tiny_rom_entry *rtpc_kbd_device::device_rom_region() const +{ + return ROM_NAME(rtpc_kbd_device); +} diff --git a/src/devices/bus/rtpc/kbd.h b/src/devices/bus/rtpc/kbd.h new file mode 100644 index 00000000000..860cb5c2218 --- /dev/null +++ b/src/devices/bus/rtpc/kbd.h @@ -0,0 +1,47 @@ +// license:BSD-3-Clause +// copyright-holders:Patrick Mackinlay + +#ifndef MAME_BUS_RTPC_KBD_H +#define MAME_BUS_RTPC_KBD_H + +#pragma once + +#include "kbd_con.h" +#include "cpu/mcs48/mcs48.h" + +class rtpc_kbd_device + : public device_t + , public device_rtpc_kbd_interface +{ +public: + rtpc_kbd_device(machine_config const &mconfig, char const *tag, device_t *owner, u32 clock); + +protected: + // device_t overrides + virtual const tiny_rom_entry *device_rom_region() const override; + virtual void device_add_mconfig(machine_config &config) override; + virtual ioport_constructor device_input_ports() const override; + virtual void device_start() override; + virtual void device_reset() override; + + // device_rtpc_kbd_interface overrides + virtual void data_w(int state) override; + +private: + void bus_w(u8 data); + void p1_w(u8 data); + void p2_w(u8 data); + + required_device m_mcu; + required_ioport_array<8> m_matrix[4]; + output_finder<3> m_leds; + + bool m_t1; + u8 m_bus; + u8 m_p1; + u8 m_p2; +}; + +DECLARE_DEVICE_TYPE(RTPC_KBD, rtpc_kbd_device) + +#endif // MAME_BUS_RTPC_KBD_H diff --git a/src/devices/bus/rtpc/kbd_con.cpp b/src/devices/bus/rtpc/kbd_con.cpp new file mode 100644 index 00000000000..9307e21a82a --- /dev/null +++ b/src/devices/bus/rtpc/kbd_con.cpp @@ -0,0 +1,129 @@ +// license:BSD-3-Clause +// copyright-holders:Patrick Mackinlay + +/* + * While not physically compatible, the RT PC keyboard protocol is logically + * and electrically identical to the PC/AT. This implementation is copied from + * pc_kbdc and implements the same bi-directional clock and data lines. + */ + +#include "emu.h" +#include "kbd_con.h" + +#define LOG_GENERAL (1U << 0) + +#define VERBOSE (LOG_GENERAL) +#include "logmacro.h" + +DEFINE_DEVICE_TYPE(RTPC_KBD_CON, rtpc_kbd_con_device, "rtpc_kbd_con", "RT PC keyboard connector") + +rtpc_kbd_con_device::rtpc_kbd_con_device(machine_config const &mconfig, char const *tag, device_t *owner, u32 clock) + : device_t(mconfig, RTPC_KBD_CON, tag, owner, clock) + , device_single_card_slot_interface(mconfig, *this) + , m_out_clock_cb(*this) + , m_out_data_cb(*this) + , m_clock_state(-1) + , m_data_state(-1) + , m_mb_clock_state(0) + , m_mb_data_state(0) + , m_kb_clock_state(1) + , m_kb_data_state(1) + , m_keyboard(nullptr) +{ +} + +void rtpc_kbd_con_device::device_config_complete() +{ + m_keyboard = get_card_device(); +} + +void rtpc_kbd_con_device::device_resolve_objects() +{ + m_out_clock_cb.resolve_safe(); + m_out_data_cb.resolve_safe(); +} + +void rtpc_kbd_con_device::device_start() +{ + save_item(NAME(m_clock_state)); + save_item(NAME(m_data_state)); + + save_item(NAME(m_mb_clock_state)); + save_item(NAME(m_mb_data_state)); + save_item(NAME(m_kb_clock_state)); + save_item(NAME(m_kb_data_state)); + + m_clock_state = -1; + m_data_state = -1; + + m_mb_clock_state = 1; + m_mb_data_state = 1; + m_kb_clock_state = 1; + m_kb_data_state = 1; +} + +void rtpc_kbd_con_device::update_clock_state(bool fromkb) +{ + int new_clock_state = m_mb_clock_state & m_kb_clock_state; + + if (new_clock_state != m_clock_state) + { + m_clock_state = new_clock_state; + LOG("%s clock: %d\n", fromkb? "<-" : "->", m_clock_state); + + // send state to host + m_out_clock_cb(m_clock_state); + + // send state to keyboard + if (m_keyboard) + m_keyboard->clock_w(m_clock_state); + } +} + +void rtpc_kbd_con_device::update_data_state(bool fromkb) +{ + int new_data_state = m_mb_data_state & m_kb_data_state; + + if (new_data_state != m_data_state) + { + m_data_state = new_data_state; + LOG("%s data: %d\n", fromkb? "<-" : "->", m_data_state); + + // send state to host + m_out_data_cb(m_data_state); + + // send state to keyboard + if (m_keyboard) + m_keyboard->data_w(m_data_state); + } +} + +void rtpc_kbd_con_device::clock_write_from_mb(int state) +{ + m_mb_clock_state = state; + update_clock_state(false); +} + +void rtpc_kbd_con_device::data_write_from_mb(int state) +{ + m_mb_data_state = state; + update_data_state(false); +} + +void rtpc_kbd_con_device::clock_write_from_kb(int state) +{ + m_kb_clock_state = state; + update_clock_state(true); +} + +void rtpc_kbd_con_device::data_write_from_kb(int state) +{ + m_kb_data_state = state; + update_data_state(true); +} + +device_rtpc_kbd_interface::device_rtpc_kbd_interface(machine_config const &mconfig, device_t &device) + : device_interface(device, "rtpc_kbd_if") + , m_port(dynamic_cast(device.owner())) +{ +} diff --git a/src/devices/bus/rtpc/kbd_con.h b/src/devices/bus/rtpc/kbd_con.h new file mode 100644 index 00000000000..b066fc56137 --- /dev/null +++ b/src/devices/bus/rtpc/kbd_con.h @@ -0,0 +1,80 @@ +// license:BSD-3-Clause +// copyright-holders:Patrick Mackinlay + +#ifndef MAME_BUS_RTPC_KBD_CON_H +#define MAME_BUS_RTPC_KBD_CON_H + +#pragma once + +class device_rtpc_kbd_interface; + +class rtpc_kbd_con_device + : public device_t + , public device_single_card_slot_interface +{ +public: + template + rtpc_kbd_con_device(machine_config const &mconfig, char const *tag, device_t *owner, T &&opts, char const *dflt) + : rtpc_kbd_con_device(mconfig, tag, owner, 0U) + { + option_reset(); + opts(*this); + set_default_option(dflt); + set_fixed(false); + } + rtpc_kbd_con_device(machine_config const &mconfig, char const *tag, device_t *owner, u32 clock = 0U); + + auto out_clock_cb() { return m_out_clock_cb.bind(); } + auto out_data_cb() { return m_out_data_cb.bind(); } + + int clock_signal() { return m_clock_state; } + int data_signal() { return m_data_state; } + + void clock_write_from_mb(int state); + void data_write_from_mb(int state); + void clock_write_from_kb(int state); + void data_write_from_kb(int state); + +protected: + virtual void device_resolve_objects() override; + virtual void device_config_complete() override; + virtual void device_start() override; + + void update_clock_state(bool fromkb); + void update_data_state(bool fromkb); + + devcb_write_line m_out_clock_cb; + devcb_write_line m_out_data_cb; + + int8_t m_clock_state; + int8_t m_data_state; + + uint8_t m_mb_clock_state; + uint8_t m_mb_data_state; + uint8_t m_kb_clock_state; + uint8_t m_kb_data_state; + + device_rtpc_kbd_interface *m_keyboard; +}; + +DECLARE_DEVICE_TYPE(RTPC_KBD_CON, rtpc_kbd_con_device) + +class device_rtpc_kbd_interface : public device_interface +{ + friend class rtpc_kbd_port_device; +public: + virtual ~device_rtpc_kbd_interface() {} + + virtual void clock_w(int state) {} + virtual void data_w(int state) {} + +protected: + device_rtpc_kbd_interface(machine_config const &mconfig, device_t &device); + + int clock_signal() const { return m_port->clock_signal(); } + int data_signal() const { return m_port->data_signal(); } + + rtpc_kbd_con_device *m_port; +}; + +#endif // MAME_BUS_RTPC_KBD_CON_H -- cgit v1.2.3