From e20c5867dbe9766f691b9d8914efa34298ec7486 Mon Sep 17 00:00:00 2001 From: Dirk Best Date: Tue, 25 Jan 2022 13:07:51 +0100 Subject: [PATCH] digilog320: Initial keyboard implementation Also render half intensity attribute and connect 8251 serial clocks. --- scripts/target/mame/mess.lua | 2 + src/mame/drivers/digilog320.cpp | 27 ++- src/mame/machine/digilog320_kbd.cpp | 309 ++++++++++++++++++++++++++++ src/mame/machine/digilog320_kbd.h | 64 ++++++ 4 files changed, 397 insertions(+), 5 deletions(-) create mode 100644 src/mame/machine/digilog320_kbd.cpp create mode 100644 src/mame/machine/digilog320_kbd.h diff --git a/scripts/target/mame/mess.lua b/scripts/target/mame/mess.lua index 62c91167e85..c7af6eb0e3e 100644 --- a/scripts/target/mame/mess.lua +++ b/scripts/target/mame/mess.lua @@ -4597,6 +4597,8 @@ files { MAME_DIR .. "src/mame/drivers/didact.cpp", MAME_DIR .. "src/mame/drivers/digel804.cpp", MAME_DIR .. "src/mame/drivers/digilog320.cpp", + MAME_DIR .. "src/mame/machine/digilog320_kbd.cpp", + MAME_DIR .. "src/mame/machine/digilog320_kbd.h", MAME_DIR .. "src/mame/drivers/digijet.cpp", MAME_DIR .. "src/mame/drivers/dim68k.cpp", MAME_DIR .. "src/mame/drivers/dm7000.cpp", diff --git a/src/mame/drivers/digilog320.cpp b/src/mame/drivers/digilog320.cpp index ddd6a27440d..3ee0ade4dd4 100644 --- a/src/mame/drivers/digilog320.cpp +++ b/src/mame/drivers/digilog320.cpp @@ -41,7 +41,6 @@ - XTAL 3.6864 MHz TODO: - - Keyboard - Finish floppy hookup - SCC interrupts - Unknown DUART inputs/outputs @@ -58,6 +57,7 @@ #include "cpu/i86/i186.h" #include "cpu/z80/z80.h" #include "machine/am9519.h" +#include "machine/digilog320_kbd.h" #include "machine/i8251.h" #include "machine/mc68681.h" #include "machine/wd_fdc.h" @@ -186,20 +186,31 @@ MC6845_UPDATE_ROW( digilog320_state::update_row ) for (int x = 0; x < x_count; x++) { + // attributes + // 76------ unknown + // --5----- half intensity + // ---4---- unknown + // ----3--- reverse + // -----2-- unknown + // ------10 chargen high bits + uint16_t const data = (m_vram[ma + x]); - uint8_t gfx = m_chargen[((data & 0xff) << 4) | ra]; + uint8_t gfx = m_chargen[((data & 0x3ff) << 4) | ra]; uint8_t attr = data >> 8; if (x == cursor_x) gfx ^= 0xff; - // maybe if (BIT(attr, 3)) gfx ^= 0xff; + // foreground/background colors + rgb_t fg = BIT(attr, 5) ? pen[1] : pen[2]; + rgb_t bg = pen[0]; + // draw 8 pixels of the character for (int i = 0; i < 8; i++) - bitmap.pix(y, x * 8 + i) = pen[BIT(gfx, i)]; + bitmap.pix(y, x * 8 + i) = BIT(gfx, i) ? fg : bg; } } @@ -347,7 +358,7 @@ void digilog320_state::digilog320(machine_config &config) screen.set_raw(5.6592_MHz_XTAL, 320, 0, 256, 262, 0, 192); screen.set_screen_update(m_crtc, FUNC(mc6845_device::screen_update)); - PALETTE(config, m_palette, palette_device::MONOCHROME); + PALETTE(config, m_palette, palette_device::MONOCHROME_HIGHLIGHT); GFXDECODE(config, "gfxdecode", m_palette, chars); @@ -358,6 +369,9 @@ void digilog320_state::digilog320(machine_config &config) SCN2681(config, m_duart, 3.6864_MHz_XTAL); m_duart->irq_cb().set(m_maincpu, FUNC(i80186_cpu_device::int0_w)); + m_duart->a_tx_cb().set("kbd", FUNC(digilog320_kbd_hle_device::rx_w)); + m_duart->outport_cb().set("usart", FUNC(i8251_device::write_txc)).bit(3); + m_duart->outport_cb().append("usart", FUNC(i8251_device::write_rxc)).bit(3); I8251(config, "usart", 0); @@ -369,6 +383,9 @@ void digilog320_state::digilog320(machine_config &config) m_fdc->intrq_wr_callback().set(m_maincpu, FUNC(i80186_cpu_device::int3_w)); //m_fdc->drq_wr_callback() FLOPPY_CONNECTOR(config, "fdc:0", digilog320_floppies, "35dd", floppy_image_device::default_mfm_floppy_formats); + + digilog320_kbd_hle_device &kbd(DIGILOG320_KBD_HLE(config, "kbd")); + kbd.tx_handler().set(m_duart, FUNC(scn2681_device::rx_a_w)); } diff --git a/src/mame/machine/digilog320_kbd.cpp b/src/mame/machine/digilog320_kbd.cpp new file mode 100644 index 00000000000..bcf36f315d2 --- /dev/null +++ b/src/mame/machine/digilog320_kbd.cpp @@ -0,0 +1,309 @@ +// license: BSD-3-Clause +// copyright-holders: Dirk Best +/*************************************************************************** + + Digilog 320 Keyboard (HLE) + + TODO: + - Map and verify missing keys + +***************************************************************************/ + +#include "emu.h" +#include "digilog320_kbd.h" +#include "machine/keyboard.ipp" + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +DEFINE_DEVICE_TYPE(DIGILOG320_KBD_HLE, digilog320_kbd_hle_device, "digilog320_kbd_hle", "Digilog 320 Keyboard (HLE)") + +namespace { + +uint8_t const TRANSLATION_TABLE[4][5][18] = +{ + // unshift + { + { 0x00, '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=', 0x00, 0x8f, 0x96, 0x95, 0x80 }, // 0 + { 0x8a, 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']', 0x8d, 0x8e, 0x89, 0x97, 0x88 }, // 1 + { 0x00, 'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', 0x00, 0x00, 0x84, 0x85, 0x81, 0x90, 0x00 }, // 2 + { 0x00, '\\', 'z', 'x', 'c', 'v', 'b', 'n', 'm', ',', '.', '/', 0x00, 0x98, 0x99, 0x91, 0x92, 0x93 }, // 3 + { 0x00, 0x00, ' ', 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, '`', '\'', 0x87, 0x8b, 0x8c, 0x83, 0x94, 0x82 }, // 4 + }, + // shift + { + { 0x00, '!', '@', '#', '$', '%', '^', '&', '*', '(', ')', '_', '+', 0x00, 0x00, 0x00, 0x00, 0x00 }, // 0 + { 0x00, 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '{', '}', 0x00, 0x00, 0x00, 0x00, 0x00 }, // 1 + { 0x00, 'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L', ':', 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // 2 + { 0x00, '|', 'Z', 'X', 'C', 'V', 'B', 'N', 'M', '<', '>', '?', 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // 3 + { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, '~', '"', 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // 4 + }, + // unshift-control + { + { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // 0 + { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // 1 + { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // 2 + { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // 3 + { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // 4 + }, + // shift-control + { + { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // 0 + { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // 1 + { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // 2 + { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // 3 + { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // 4 + } +}; + +} // anonymous namespace + +//------------------------------------------------- +// input_ports - device-specific input ports +//------------------------------------------------- + +// unknown codes: Nul, Return, Halt, Mask / Crc, Don't Care (0x83?), Not (0x82?) + +static INPUT_PORTS_START( keyboard ) + PORT_START("mod") + PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Ctrl") PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL) PORT_CHAR(UCHAR_MAMEKEY(LCONTROL)) + PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Shift") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1) + PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Caps Lock") PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) PORT_TOGGLE + + PORT_START("row_0") + PORT_BIT(0x000001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F1) PORT_NAME("Nul") + PORT_BIT(0x000002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') + PORT_BIT(0x000004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('@') + PORT_BIT(0x000008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') + PORT_BIT(0x000010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') + PORT_BIT(0x000020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') + PORT_BIT(0x000040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('^') + PORT_BIT(0x000080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('&') + PORT_BIT(0x000100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('*') + PORT_BIT(0x000200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR('(') + PORT_BIT(0x000400, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR(')') + PORT_BIT(0x000800, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('_') + PORT_BIT(0x001000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_CHAR('+') + PORT_BIT(0x002000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F2) PORT_NAME("Halt") + PORT_BIT(0x004000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F3) PORT_NAME("Run Mon") + PORT_BIT(0x008000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F4) PORT_NAME("Run Trap") + PORT_BIT(0x010000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F5) PORT_NAME("Run Prog") + PORT_BIT(0x020000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F6) PORT_NAME("Auto Set-up") + + PORT_START("row_1") + PORT_BIT(0x000001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_DEL) PORT_CHAR(UCHAR_MAMEKEY(DEL)) + PORT_BIT(0x000002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') + PORT_BIT(0x000004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') + PORT_BIT(0x000008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') + PORT_BIT(0x000010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R') + PORT_BIT(0x000020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T') + PORT_BIT(0x000040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y') + PORT_BIT(0x000080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') + PORT_BIT(0x000100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I') + PORT_BIT(0x000200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O') + PORT_BIT(0x000400, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P') + PORT_BIT(0x000800, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR('{') + PORT_BIT(0x001000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}') + PORT_BIT(0x002000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_PGDN) PORT_NAME("Page Fwd") + PORT_BIT(0x004000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_PGUP) PORT_NAME("Page Rev") + PORT_BIT(0x008000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_ESC) PORT_NAME("Main Menu") + PORT_BIT(0x010000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F7) PORT_NAME("Exec Menu Cmd") + PORT_BIT(0x020000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F8) PORT_NAME("Hex") + + PORT_START("row_2") + PORT_BIT(0x000001, IP_ACTIVE_HIGH, IPT_UNUSED) // "Ctrl" handled elsewhere + PORT_BIT(0x000002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A') + PORT_BIT(0x000004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') + PORT_BIT(0x000008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D') + PORT_BIT(0x000010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') + PORT_BIT(0x000020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G') + PORT_BIT(0x000040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H') + PORT_BIT(0x000080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J') + PORT_BIT(0x000100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K') + PORT_BIT(0x000200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L') + PORT_BIT(0x000400, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR(':') + PORT_BIT(0x000800, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) + PORT_BIT(0x001000, IP_ACTIVE_HIGH, IPT_UNUSED) + PORT_BIT(0x002000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F9) PORT_NAME("Field Sel Fwd") + PORT_BIT(0x004000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F10) PORT_NAME("Field Sel Rev") + PORT_BIT(0x008000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSPACE) PORT_NAME("Clear") + PORT_BIT(0x010000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP)) + PORT_BIT(0x020000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F11) PORT_NAME("Mask Crc") + + PORT_START("row_3") + PORT_BIT(0x000001, IP_ACTIVE_HIGH, IPT_UNUSED) // "Left Shift" handled elsewhere + PORT_BIT(0x000002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH2) PORT_CHAR('\\') PORT_CHAR('|') + PORT_BIT(0x000004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') + PORT_BIT(0x000008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X') + PORT_BIT(0x000010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C') + PORT_BIT(0x000020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V') + PORT_BIT(0x000040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B') + PORT_BIT(0x000080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N') + PORT_BIT(0x000100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M') + PORT_BIT(0x000200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<') + PORT_BIT(0x000400, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>') + PORT_BIT(0x000800, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?') + PORT_BIT(0x001000, IP_ACTIVE_HIGH, IPT_UNUSED) // "Right Shift" handled elsewhere + PORT_BIT(0x002000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_TAB) PORT_NAME("Tab Fwd") + PORT_BIT(0x004000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F12) PORT_NAME("Tab Rev") + PORT_BIT(0x008000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) + PORT_BIT(0x010000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_HOME) PORT_NAME("Freeze Home") + PORT_BIT(0x020000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) + + PORT_START("row_4") + PORT_BIT(0x000001, IP_ACTIVE_HIGH, IPT_UNUSED) // "Shift Lock" + PORT_BIT(0x000002, IP_ACTIVE_HIGH, IPT_UNUSED) // "Caps Lock" handled elsewhere + PORT_BIT(0x000004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') + PORT_BIT(0x000008, IP_ACTIVE_HIGH, IPT_UNUSED) + PORT_BIT(0x000010, IP_ACTIVE_HIGH, IPT_UNUSED) + PORT_BIT(0x000020, IP_ACTIVE_HIGH, IPT_UNUSED) + PORT_BIT(0x000040, IP_ACTIVE_HIGH, IPT_UNUSED) + PORT_BIT(0x000080, IP_ACTIVE_HIGH, IPT_UNUSED) + PORT_BIT(0x000100, IP_ACTIVE_HIGH, IPT_UNUSED) + PORT_BIT(0x000200, IP_ACTIVE_HIGH, IPT_UNUSED) + PORT_BIT(0x000400, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_TILDE) PORT_CHAR('`') PORT_CHAR('~') + PORT_BIT(0x000800, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\'') PORT_CHAR('"') + PORT_BIT(0x001000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_END) PORT_NAME("Help") + PORT_BIT(0x002000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_INSERT) PORT_NAME("Insert Line Del") + PORT_BIT(0x004000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_0_PAD) PORT_NAME("Insert Char Del") + PORT_BIT(0x008000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_1_PAD) PORT_NAME("Don\'t Care") + PORT_BIT(0x010000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) + PORT_BIT(0x020000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_2_PAD) PORT_NAME("Not") +INPUT_PORTS_END + +ioport_constructor digilog320_kbd_hle_device::device_input_ports() const +{ + return INPUT_PORTS_NAME( keyboard ); +} + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// digilog320_kbd_hle_device - constructor +//------------------------------------------------- + +digilog320_kbd_hle_device::digilog320_kbd_hle_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : + device_t(mconfig, DIGILOG320_KBD_HLE, tag, owner, clock), + device_buffered_serial_interface(mconfig, *this), + device_matrix_keyboard_interface(mconfig, *this, "row_0", "row_1", "row_2", "row_3", "row_4"), + m_modifiers(*this, "mod"), + m_tx_handler(*this) +{ +} + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void digilog320_kbd_hle_device::device_start() +{ + // resolve callbacks + m_tx_handler.resolve_safe(); +} + +//------------------------------------------------- +// device_reset - device-specific reset +//------------------------------------------------- + +void digilog320_kbd_hle_device::device_reset() +{ + clear_fifo(); + + receive_register_reset(); + transmit_register_reset(); + + set_data_frame(1, 8, PARITY_EVEN, STOP_BITS_1); + set_rcv_rate(1200); + set_tra_rate(1200); + + reset_key_state(); + start_processing(attotime::from_hz(1200)); + typematic_stop(); +} + +//------------------------------------------------- +// tra_callback - send bit to host +//------------------------------------------------- + +void digilog320_kbd_hle_device::tra_callback() +{ + m_tx_handler(transmit_register_get_data_bit()); +} + +//------------------------------------------------- +// received_byte - handle received byte +//------------------------------------------------- + +void digilog320_kbd_hle_device::received_byte(uint8_t byte) +{ + // might be send only + logerror("Received from host: %02x\n", byte); +} + +//------------------------------------------------- +// key_make - handle a key being pressed +//------------------------------------------------- + +void digilog320_kbd_hle_device::key_make(uint8_t row, uint8_t column) +{ + uint8_t code = translate(row, column); + + if (code != 0x00) + { + transmit_byte(code); + typematic_start(row, column, attotime::from_msec(750), attotime::from_msec(50)); + } +} + +//------------------------------------------------- +// key_break - handle a key being released +//------------------------------------------------- + +void digilog320_kbd_hle_device::key_break(uint8_t row, uint8_t column) +{ + if (typematic_is(row, column)) + typematic_stop(); +} + +//------------------------------------------------- +// key_repeat - handle a key being repeated +//------------------------------------------------- + +void digilog320_kbd_hle_device::key_repeat(u8 row, u8 column) +{ + uint8_t code = translate(row, column); + + if (code != 0x00) + transmit_byte(code); +} + +//------------------------------------------------- +// rx_w - receive bit from host +//------------------------------------------------- + +void digilog320_kbd_hle_device::rx_w(int state) +{ + device_buffered_serial_interface::rx_w(state); +} + +//------------------------------------------------- +// translate - row and column to key code +//------------------------------------------------- + +uint8_t digilog320_kbd_hle_device::translate(uint8_t row, uint8_t column) +{ + uint8_t const modifiers(m_modifiers->read()); + + bool const ctrl(modifiers & 0x01); + bool const shift(bool(modifiers & 0x02) || (bool(modifiers & 0x04))); + bool const ctrl_shift(ctrl && shift); + + unsigned const map(ctrl_shift? 3 : ctrl ? 2 : shift ? 1 : 0); + + return TRANSLATION_TABLE[map][row][column]; +} diff --git a/src/mame/machine/digilog320_kbd.h b/src/mame/machine/digilog320_kbd.h new file mode 100644 index 00000000000..d65ddf15df5 --- /dev/null +++ b/src/mame/machine/digilog320_kbd.h @@ -0,0 +1,64 @@ +// license: BSD-3-Clause +// copyright-holders: Dirk Best +/*************************************************************************** + + Digilog 320 Keyboard (HLE) + +***************************************************************************/ + +#ifndef MAME_MACHINE_DIGILOG320_KBD_H +#define MAME_MACHINE_DIGILOG320_KBD_H + +#pragma once + +#include "machine/keyboard.h" +#include "diserial.h" + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> digilog320_kbd_hle_device + +class digilog320_kbd_hle_device : public device_t, + public device_buffered_serial_interface<16>, + protected device_matrix_keyboard_interface<5> +{ +public: + // construction/destruction + digilog320_kbd_hle_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0); + + // callbacks + auto tx_handler() { return m_tx_handler.bind(); } + + // from host + void rx_w(int state); + +protected: + // device_t overrides + virtual ioport_constructor device_input_ports() const override; + virtual void device_start() override; + virtual void device_reset() override; + + // device_buffered_serial_interface overrides + virtual void tra_callback() override; + virtual void received_byte(uint8_t byte) override; + + // device_matrix_keyboard_interface overrides + virtual void key_make(uint8_t row, uint8_t column) override; + virtual void key_break(uint8_t row, uint8_t column) override; + virtual void key_repeat(uint8_t row, uint8_t column) override; + +private: + required_ioport m_modifiers; + + uint8_t translate(uint8_t row, uint8_t column); + + devcb_write_line m_tx_handler; +}; + +// device type definition +DECLARE_DEVICE_TYPE(DIGILOG320_KBD_HLE, digilog320_kbd_hle_device) + +#endif // MAME_MACHINE_DIGILOG320_KBD_H