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author Dirk Best <mail@dirk-best.de>2022-01-25 13:07:51 +0100
committer Dirk Best <mail@dirk-best.de>2022-01-25 13:08:33 +0100
commite20c5867dbe9766f691b9d8914efa34298ec7486 (patch)
tree4c3a401575ca0f97c2fc1ddb385f799488bb2e44
parent640fba3f40f42355f690134b6231c059c4c660c7 (diff)
digilog320: Initial keyboard implementation
Also render half intensity attribute and connect 8251 serial clocks.
-rw-r--r--scripts/target/mame/mess.lua2
-rw-r--r--src/mame/drivers/digilog320.cpp27
-rw-r--r--src/mame/machine/digilog320_kbd.cpp309
-rw-r--r--src/mame/machine/digilog320_kbd.h64
4 files changed, 397 insertions, 5 deletions
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