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author Dirk Best <mail@dirk-best.de>2020-09-22 13:56:43 +0200
committer Dirk Best <mail@dirk-best.de>2020-09-22 13:57:21 +0200
commitd4c180e81f729e556bfcb1f92107b7c8d9a9150b (patch)
treed1238d505447aa95fd6b0a7b73ae74ab69d06d7f
parent581eab1be805129145b4e33297afd288c3c90edd (diff)
in213: Implement some basic functionality
- Hook up periodic and keyboard interrupts - Implement keyboard and hook it up - Render according to vram address and add basic cursor support - Hook up bell sound
-rw-r--r--scripts/target/mame/mess.lua2
-rw-r--r--src/mame/drivers/informer_213.cpp125
-rw-r--r--src/mame/machine/informer_213_kbd.cpp306
-rw-r--r--src/mame/machine/informer_213_kbd.h58
4 files changed, 480 insertions, 11 deletions
diff --git a/scripts/target/mame/mess.lua b/scripts/target/mame/mess.lua
index a2040f202aa..e8f61af2fcf 100644
--- a/scripts/target/mame/mess.lua
+++ b/scripts/target/mame/mess.lua
@@ -2610,6 +2610,8 @@ files {
MAME_DIR .. "src/mame/drivers/informer_213.cpp",
MAME_DIR .. "src/mame/machine/informer_207_376_kbd.cpp",
MAME_DIR .. "src/mame/machine/informer_207_376_kbd.h",
+ MAME_DIR .. "src/mame/machine/informer_213_kbd.cpp",
+ MAME_DIR .. "src/mame/machine/informer_213_kbd.h",
}
createMESSProjects(_target, _subtarget, "intel")
diff --git a/src/mame/drivers/informer_213.cpp b/src/mame/drivers/informer_213.cpp
index 4c2551bfabf..c6370dd8f7f 100644
--- a/src/mame/drivers/informer_213.cpp
+++ b/src/mame/drivers/informer_213.cpp
@@ -16,17 +16,16 @@
TODO:
- Figure out the ASIC and how it's connected
- Notes:
- - Debug tricks (AE): "b@42=ff" after startup to show setup screen 1
- "bp 81a1" then "b@42=ff" and "a=02" after the break to show screen 2
-
***************************************************************************/
#include "emu.h"
#include "cpu/m6809/m6809.h"
#include "machine/z80scc.h"
+#include "machine/informer_213_kbd.h"
+#include "sound/beep.h"
#include "emupal.h"
#include "screen.h"
+#include "speaker.h"
//**************************************************************************
@@ -42,6 +41,7 @@ public:
m_screen(*this, "screen"),
m_palette(*this, "palette"),
m_scc(*this, "scc"),
+ m_beep(*this, "beep"),
m_vram(*this, "vram"),
m_aram(*this, "aram"),
m_chargen(*this, "chargen")
@@ -58,6 +58,7 @@ private:
required_device<screen_device> m_screen;
required_device<palette_device> m_palette;
required_device<scc8530_device> m_scc;
+ required_device<beep_device> m_beep;
required_shared_ptr<uint8_t> m_vram;
required_shared_ptr<uint8_t> m_aram;
required_region_ptr<uint8_t> m_chargen;
@@ -65,6 +66,22 @@ private:
void mem_map(address_map &map);
uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
+ void vblank_w(int state);
+ void vram_addr_w(offs_t offset, uint8_t data);
+ void cursor_addr_w(offs_t offset, uint8_t data);
+
+ uint8_t unk_42_r();
+ void unk_42_w(uint8_t data);
+
+ void bell_w(uint8_t data);
+
+ void kbd_int_w(int state);
+ uint8_t vector_r();
+
+ uint16_t m_vram_addr;
+ uint16_t m_cursor_addr;
+ uint8_t m_unk_42;
+ uint8_t m_vector;
};
@@ -74,12 +91,18 @@ private:
void informer_213_state::mem_map(address_map &map)
{
- map(0x0000, 0x1fff).ram();
+ map(0x0000, 0x0000).rw("kbd", FUNC(informer_213_kbd_hle_device::read), FUNC(informer_213_kbd_hle_device::write));
+ map(0x0006, 0x0007).unmapr().w(FUNC(informer_213_state::vram_addr_w));
+ map(0x000f, 0x0010).unmapr().w(FUNC(informer_213_state::cursor_addr_w));
+ map(0x0042, 0x0042).rw(FUNC(informer_213_state::unk_42_r), FUNC(informer_213_state::unk_42_w));
+ map(0x0060, 0x0060).w(FUNC(informer_213_state::bell_w));
+ map(0x0100, 0x1fff).ram();
map(0x2000, 0x3fff).ram();
map(0x4000, 0x5fff).ram();
map(0x6000, 0x6fff).ram().share("vram");
map(0x7000, 0x7fff).ram().share("aram");
map(0x8000, 0xffff).rom().region("maincpu", 0);
+ map(0xfff7, 0xfff7).r(FUNC(informer_213_state::vector_r));
}
@@ -103,11 +126,11 @@ uint32_t informer_213_state::screen_update(screen_device &screen, bitmap_rgb32 &
{
for (int x = 0; x < 80; x++)
{
- // screen memory starts at 0x6820
- uint8_t code = m_vram[26 * 80 + y * 80 + x];
-// uint8_t attr = m_aram[26 * 80 + y * 80 + x];
+ uint16_t addr = m_vram_addr + y * 80 + x;
+ uint8_t code = m_vram[addr - 0x6000];
+// uint8_t attr = m_aram[addr - 0x6000];
- // but status line is at top of vram
+ // status line is at top of vram
if (y > 23)
{
code = m_vram[(y - 24) * 80 + x];
@@ -119,6 +142,9 @@ uint32_t informer_213_state::screen_update(screen_device &screen, bitmap_rgb32 &
{
uint8_t data = m_chargen[chargen_base | ((code << 4) + i)];
+ if (addr == m_cursor_addr)
+ data ^= 0xff;
+
// 6 pixels of the character
bitmap.pix32(y * 9 + i, x * 6 + 0) = BIT(data, 7) ? rgb_t::white() : rgb_t::black();
bitmap.pix32(y * 9 + i, x * 6 + 1) = BIT(data, 6) ? rgb_t::white() : rgb_t::black();
@@ -133,6 +159,31 @@ uint32_t informer_213_state::screen_update(screen_device &screen, bitmap_rgb32 &
return 0;
}
+void informer_213_state::vram_addr_w(offs_t offset, uint8_t data)
+{
+ if (offset)
+ m_vram_addr = (m_vram_addr & 0xff00) | (data << 0);
+ else
+ m_vram_addr = (m_vram_addr & 0x00ff) | (data << 8);
+}
+
+void informer_213_state::cursor_addr_w(offs_t offset, uint8_t data)
+{
+ if (offset)
+ m_cursor_addr = (m_cursor_addr & 0xff00) | (data << 0);
+ else
+ m_cursor_addr = (m_cursor_addr & 0x00ff) | (data << 8);
+}
+
+void informer_213_state::vblank_w(int state)
+{
+ if (state)
+ {
+ m_vector = 0x10;
+ m_maincpu->set_input_line(M6809_FIRQ_LINE, HOLD_LINE);
+ }
+}
+
static const gfx_layout char_layout =
{
6,9,
@@ -153,12 +204,55 @@ GFXDECODE_END
// MACHINE EMULATION
//**************************************************************************
+uint8_t informer_213_state::unk_42_r()
+{
+ logerror("unk_42_r\n");
+ return m_unk_42 | 4;
+}
+
+void informer_213_state::unk_42_w(uint8_t data)
+{
+ logerror("unk_42_w: %02x\n", data);
+ m_unk_42 = data;
+}
+
+void informer_213_state::bell_w(uint8_t data)
+{
+ logerror("bell_w: %02x\n", data);
+
+ // 76543--- unknown
+ // -----2-- beeper
+ // ------10 unknown
+
+ m_beep->set_state(BIT(data, 2));
+}
+
+void informer_213_state::kbd_int_w(int state)
+{
+ m_vector = 0x14;
+ m_maincpu->set_input_line(M6809_FIRQ_LINE, HOLD_LINE);
+}
+
+uint8_t informer_213_state::vector_r()
+{
+ uint8_t tmp = m_vector;
+ m_vector = 0x00;
+
+ return tmp;
+}
+
void informer_213_state::machine_start()
{
+ // register for save states
+ save_item(NAME(m_vram_addr));
+ save_item(NAME(m_cursor_addr));
+ save_item(NAME(m_unk_42));
+ save_item(NAME(m_vector));
}
void informer_213_state::machine_reset()
{
+ m_vector = 0x00;
}
@@ -179,12 +273,21 @@ void informer_213_state::informer_213(machine_config &config)
m_screen->set_size(480, 234);
m_screen->set_visarea_full();
m_screen->set_refresh_hz(60);
+ m_screen->set_vblank_time(ATTOSECONDS_IN_USEC(2500)); // not accurate
// m_screen->set_raw(18.432_MHz_XTAL, 0, 0, 0, 0, 0, 0);
m_screen->set_screen_update(FUNC(informer_213_state::screen_update));
+ m_screen->screen_vblank().set(FUNC(informer_213_state::vblank_w));
PALETTE(config, m_palette, palette_device::MONOCHROME);
GFXDECODE(config, "gfxdecode", m_palette, chars);
+
+ // sound
+ SPEAKER(config, "mono").front_center();
+ BEEP(config, "beep", 500).add_route(ALL_OUTPUTS, "mono", 0.50); // frequency unknown
+
+ informer_213_kbd_hle_device &kbd(INFORMER_213_KBD_HLE(config, "kbd"));
+ kbd.int_handler().set(FUNC(informer_213_state::kbd_int_w));
}
@@ -218,5 +321,5 @@ ROM_END
//**************************************************************************
// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
-COMP( 1990, in213 , 0, 0, informer_213, informer_213, informer_213_state, empty_init, "Informer", "Informer 213", MACHINE_IS_SKELETON | MACHINE_SUPPORTS_SAVE )
-COMP( 1992, in213ae, 0, 0, informer_213, informer_213, informer_213_state, empty_init, "Informer", "Informer 213 AE", MACHINE_IS_SKELETON | MACHINE_SUPPORTS_SAVE )
+COMP( 1990, in213 , 0, 0, informer_213, informer_213, informer_213_state, empty_init, "Informer", "Informer 213", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE )
+COMP( 1992, in213ae, 0, 0, informer_213, informer_213, informer_213_state, empty_init, "Informer", "Informer 213 AE", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE )
diff --git a/src/mame/machine/informer_213_kbd.cpp b/src/mame/machine/informer_213_kbd.cpp
new file mode 100644
index 00000000000..361189658a0
--- /dev/null
+++ b/src/mame/machine/informer_213_kbd.cpp
@@ -0,0 +1,306 @@
+// license: BSD-3-Clause
+// copyright-holders: Dirk Best
+/***************************************************************************
+
+ Informer 213 Keyboard (HLE)
+
+ Note: WIP, many keys not mapped (or wrong)
+
+***************************************************************************/
+
+#include "emu.h"
+#include "informer_213_kbd.h"
+#include "machine/keyboard.ipp"
+
+
+//**************************************************************************
+// DEVICE DEFINITIONS
+//**************************************************************************
+
+DEFINE_DEVICE_TYPE(INFORMER_213_KBD_HLE, informer_213_kbd_hle_device, "in213kbd_hle", "Informer 213 Keyboard (HLE)")
+
+
+//-------------------------------------------------
+// input_ports - device-specific input ports
+//-------------------------------------------------
+
+static INPUT_PORTS_START( keyboard )
+ PORT_START("row_0")
+ PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 00 */ PORT_NAME("0x00")
+ PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 01 */ PORT_NAME("0x01")
+ PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 02 */ PORT_NAME("0x02")
+ PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 03 */ PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C') // EX
+ PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 04 */ PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') // AK
+ PORT_BIT(0x0020, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 05 */ PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T') // D4
+ PORT_BIT(0x0040, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 06 */ PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') // GS
+ PORT_BIT(0x0080, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 07 */ PORT_NAME("0x07")
+ PORT_BIT(0x0100, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 08 */ PORT_CODE(KEYCODE_F5) PORT_NAME("PF5")
+ PORT_BIT(0x0200, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 09 */ PORT_NAME("0x09")
+ PORT_BIT(0x0400, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 0a */ PORT_NAME("0x0a")
+ PORT_BIT(0x0800, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 0b */ PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V') // SV
+ PORT_BIT(0x1000, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 0c */ PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G') // BL
+ PORT_BIT(0x2000, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 0d */ PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y')
+ PORT_BIT(0x4000, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 0e */ PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('^') // RS
+ PORT_BIT(0x8000, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 0f */ PORT_CODE(KEYCODE_TILDE) PORT_CHAR('`') PORT_CHAR('~')
+
+ PORT_START("row_1")
+ PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 10 */ PORT_CODE(KEYCODE_F6) PORT_NAME("PF6")
+ PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 11 */ PORT_NAME("0x11")
+ PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 12 */ PORT_NAME("0x12")
+ PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 13 */ PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B') // SX
+ PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 14 */ PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H') // BS
+ PORT_BIT(0x0020, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 15 */ PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') // NK
+ PORT_BIT(0x0040, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 16 */ PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('&') // VS
+ PORT_BIT(0x0080, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 17 */ PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR('{') PORT_CHAR('}')
+ PORT_BIT(0x0100, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 18 */ PORT_CODE(KEYCODE_F7) PORT_NAME("PF7")
+ PORT_BIT(0x0200, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 19 */ PORT_NAME("0x19")
+ PORT_BIT(0x0400, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 1a */ PORT_CODE(KEYCODE_ENTER_PAD) PORT_NAME("Enter Set Up")
+ PORT_BIT(0x0800, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 1b */ PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N') // SO
+ PORT_BIT(0x1000, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 1c */ PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J') // LF
+ PORT_BIT(0x2000, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 1d */ PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I') // HT
+ PORT_BIT(0x4000, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 1e */ PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('*') // del key
+ PORT_BIT(0x8000, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 1f */ PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_CHAR('+') // ý
+
+ PORT_START("row_2")
+ PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 20 */ PORT_CODE(KEYCODE_F8) PORT_NAME("PF8")
+ PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 21 */ PORT_NAME("0x21")
+ PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 22 */ PORT_CODE(KEYCODE_ENTER) PORT_NAME("Return")
+ PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 23 */ PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M')
+ PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 24 */ PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K')
+ PORT_BIT(0x0020, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 25 */ PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O')
+ PORT_BIT(0x0040, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 26 */ PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR('(')
+ PORT_BIT(0x0080, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 27 */ PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') PORT_CHAR('|') // (actually ¦) FS
+ PORT_BIT(0x0100, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 28 */ PORT_CODE(KEYCODE_F9) PORT_NAME("PF9")
+ PORT_BIT(0x0200, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 29 */ PORT_NAME("0x29")
+ PORT_BIT(0x0400, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 2a */ PORT_CODE(KEYCODE_RIGHT) PORT_NAME("Right")
+ PORT_BIT(0x0800, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 2b */ PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<')
+ PORT_BIT(0x1000, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 2c */ PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L')
+ PORT_BIT(0x2000, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 2d */ PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P')
+ PORT_BIT(0x4000, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 2e */ PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR(')')
+ PORT_BIT(0x8000, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 2f */ PORT_CODE(KEYCODE_INSERT) PORT_NAME("Insert")
+
+ PORT_START("row_3")
+ PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 30 */ PORT_CODE(KEYCODE_F10) PORT_NAME("PF10")
+ PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 31 */ PORT_NAME("0x31")
+ PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 32 */ PORT_CODE(KEYCODE_DOWN) PORT_NAME("Down")
+ PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 33 */ PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>')
+ PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 34 */ PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR(':') // GS
+ PORT_BIT(0x0020, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 35 */ PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR(']') // EC
+ PORT_BIT(0x0040, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 36 */ PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('_')
+ PORT_BIT(0x0080, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 37 */ PORT_NAME("0x37")
+ PORT_BIT(0x0100, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 38 */ PORT_CODE(KEYCODE_F11) PORT_NAME("PF11")
+ PORT_BIT(0x0200, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 39 */ PORT_NAME("0x39")
+ PORT_BIT(0x0400, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 3a */ PORT_NAME("0x3a")
+ PORT_BIT(0x0800, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 3b */ PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?') // VS
+ PORT_BIT(0x1000, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 3c */ PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\'') PORT_CHAR('"')
+ PORT_BIT(0x2000, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 3d */ PORT_CODE(KEYCODE_BACKSPACE) PORT_NAME("Backspace") // ñ
+ PORT_BIT(0x4000, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 3e */ PORT_CODE(KEYCODE_LEFT) PORT_NAME("Left")
+ PORT_BIT(0x8000, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 3f */ PORT_CODE(KEYCODE_UP) PORT_NAME("Up")
+
+ PORT_START("row_4")
+ PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 40 */ PORT_CODE(KEYCODE_6_PAD) PORT_NAME("Arrow Right?") // ¬
+ PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 41 */ PORT_CODE(KEYCODE_TAB) PORT_NAME("Tab")
+ PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 42 */ PORT_NAME("0x42")
+ PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 43 */ PORT_NAME("0x43")
+ PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 44 */ PORT_NAME("0x44")
+ PORT_BIT(0x0020, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 45 */ PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') // DI
+ PORT_BIT(0x0040, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 46 */ PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!')
+ PORT_BIT(0x0080, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 47 */ PORT_NAME("0x47")
+ PORT_BIT(0x0100, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 48 */ PORT_CODE(KEYCODE_F1) PORT_NAME("PF1")
+ PORT_BIT(0x0200, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 49 */ PORT_NAME("0x48")
+ PORT_BIT(0x0400, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 4a */ PORT_NAME("0x4a")
+ PORT_BIT(0x0800, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 4b */ PORT_CODE(KEYCODE_SPACE) PORT_NAME("Space")
+ PORT_BIT(0x1000, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 4c */ PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A') // SH
+ PORT_BIT(0x2000, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 4d */ PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') // EB
+ PORT_BIT(0x4000, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 4e */ PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('@') // NU
+ PORT_BIT(0x8000, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 4f */ PORT_NAME("0x4f") // with ALT: Up?
+
+ PORT_START("row_5")
+ PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 50 */ PORT_CODE(KEYCODE_F2) PORT_NAME("PF2")
+ PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 51 */ PORT_NAME("0x51")
+ PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 52 */ PORT_NAME("0x52")
+ PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 53 */ PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') // ⸮
+ PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 54 */ PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') // D3
+ PORT_BIT(0x0020, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 55 */ PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') // EQ
+ PORT_BIT(0x0040, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 56 */ PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') // EC
+ PORT_BIT(0x0080, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 57 */ PORT_NAME("0x57")
+ PORT_BIT(0x0100, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 58 */ PORT_CODE(KEYCODE_F3) PORT_NAME("PF3")
+ PORT_BIT(0x0200, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 59 */ PORT_NAME("0x59")
+ PORT_BIT(0x0400, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 5a */ PORT_NAME("0x5a")
+ PORT_BIT(0x0800, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 5b */ PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X') // CN
+ PORT_BIT(0x1000, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 5c */ PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D') // ET
+ PORT_BIT(0x2000, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 5d */ PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R') // D2
+ PORT_BIT(0x4000, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 5e */ PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') // D3
+ PORT_BIT(0x8000, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 5f */ PORT_CODE(KEYCODE_BACKSLASH2) PORT_NAME("Pound Cent")
+
+ PORT_START("row_6")
+ PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 60 */ PORT_CODE(KEYCODE_F4) PORT_NAME("PF4")
+ PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 61 */ PORT_NAME("0x61") // with ALT: I
+ PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 62 */ PORT_NAME("0x62")
+ PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 63 */ PORT_NAME("0x63") // with SHIFT: Reset? with ALT: Set Up
+ PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 64 */ PORT_CODE(KEYCODE_F12) PORT_NAME("PF12 PF24 DIAL")
+ PORT_BIT(0x0020, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 65 */ PORT_NAME("0x65") // with SHIFT: y with ALT: &
+ PORT_BIT(0x0040, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 66 */ PORT_NAME("0x66")
+ PORT_BIT(0x0080, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 67 */ PORT_NAME("0x67") // y
+ PORT_BIT(0x0100, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 68 */ PORT_NAME("0x68") // Down with SHIFT: #
+ PORT_BIT(0x0200, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 69 */ PORT_NAME("0x69")
+ PORT_BIT(0x0400, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 6a */ PORT_NAME("0x6a") // with SHIFT: R with ALT: Down
+ PORT_BIT(0x0800, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 6b */ PORT_NAME("0x6b") // A with SHIFT: &
+ PORT_BIT(0x1000, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 6c */ PORT_NAME("0x6c") // with SHIFT: `
+ PORT_BIT(0x2000, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 6d */ PORT_NAME("0x6d") // width SHIFT: Space
+ PORT_BIT(0x4000, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 6e */ PORT_NAME("0x6e")
+ PORT_BIT(0x8000, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 6f */ PORT_NAME("0x6f") // with SHIFT: Reset? with ALT: Set Up
+
+ PORT_START("row_7")
+ PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 70 */ PORT_NAME("0x70") // R with SHIFT: P
+ PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 71 */ PORT_NAME("0x71") // &
+ PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 72 */ PORT_NAME("0x72") // Down
+ PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 73 */ PORT_NAME("0x73") // Down
+ PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 74 */ PORT_NAME("0x74") // with ALT: large TAB/Clear?
+ PORT_BIT(0x0020, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 75 */ PORT_NAME("0x75")
+ PORT_BIT(0x0040, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 76 */ PORT_NAME("0x76") // ` with SHIFT: DIAL
+ PORT_BIT(0x0080, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 77 */ PORT_NAME("0x77") // Down
+ PORT_BIT(0x0100, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 78 */ PORT_NAME("0x78")
+ PORT_BIT(0x0200, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 79 */ PORT_CODE(KEYCODE_HOME) PORT_NAME("HOME? ENTER?")
+ PORT_BIT(0x0400, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 7a */ PORT_NAME("0x7a") // with ALT: m
+ PORT_BIT(0x0800, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 7b */ PORT_NAME("0x7b")
+ PORT_BIT(0x1000, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 7c */ PORT_NAME("0x7c") // S with ALT: large TAB/Clear?
+ PORT_BIT(0x2000, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 7d */ PORT_NAME("0x7d") // Cursor to 0, 0 with ALT: 9
+ PORT_BIT(0x4000, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 7e */ PORT_NAME("0x7e") // 4
+ PORT_BIT(0x8000, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 7f */ PORT_NAME("0x7f") // Down
+
+ PORT_START("row_8")
+ PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_CUSTOM) /* 80 */
+ PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 81 */ PORT_CODE(KEYCODE_LALT) PORT_NAME("Alt")
+ PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 82 */ PORT_CODE(KEYCODE_LSHIFT) PORT_NAME("Shift Left")
+ PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_CUSTOM) /* 83 */
+ PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 84 */ PORT_CODE(KEYCODE_CAPSLOCK) PORT_NAME("Lock")
+ PORT_BIT(0x0020, IP_ACTIVE_HIGH, IPT_CUSTOM) /* 85 */
+ PORT_BIT(0x0040, IP_ACTIVE_HIGH, IPT_CUSTOM) /* 86 */
+ PORT_BIT(0x0080, IP_ACTIVE_HIGH, IPT_CUSTOM) /* 87 */
+ PORT_BIT(0x0100, IP_ACTIVE_HIGH, IPT_KEYBOARD) /* 88 */ PORT_CODE(KEYCODE_RSHIFT) PORT_NAME("Shift Right")
+INPUT_PORTS_END
+
+ioport_constructor informer_213_kbd_hle_device::device_input_ports() const
+{
+ return INPUT_PORTS_NAME( keyboard );
+}
+
+
+//**************************************************************************
+// LIVE DEVICE
+//**************************************************************************
+
+//-------------------------------------------------
+// informer_213_kbd_hle_device - constructor
+//-------------------------------------------------
+
+informer_213_kbd_hle_device::informer_213_kbd_hle_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
+ device_t(mconfig, INFORMER_213_KBD_HLE, tag, owner, clock),
+ device_matrix_keyboard_interface(mconfig, *this, "row_0", "row_1", "row_2", "row_3", "row_4", "row_5", "row_6", "row_7", "row_8"),
+ m_int_handler(*this)
+{
+}
+
+//-------------------------------------------------
+// device_start - device-specific startup
+//-------------------------------------------------
+
+void informer_213_kbd_hle_device::device_start()
+{
+ // resolve callbacks
+ m_int_handler.resolve_safe();
+}
+
+//-------------------------------------------------
+// device_reset - device-specific reset
+//-------------------------------------------------
+
+void informer_213_kbd_hle_device::device_reset()
+{
+ m_key = 0xff;
+ m_mod = 0;
+
+ reset_key_state();
+ start_processing(attotime::from_hz(2400));
+ typematic_stop();
+}
+
+//-------------------------------------------------
+// key_make - handle a key being pressed
+//-------------------------------------------------
+
+void informer_213_kbd_hle_device::key_make(uint8_t row, uint8_t column)
+{
+ uint8_t code = row * 16 + column;
+
+ // no typematic for modifier keys
+ if (code < 0x80)
+ typematic_start(row, column, attotime::from_msec(750), attotime::from_msec(50));
+
+ // modifier key (but not caps lock)
+ if (code > 0x80 && code != 0x84)
+ {
+ m_mod |= code;
+ code = m_mod;
+ }
+
+ // send the code
+ m_key = code;
+ m_int_handler(1);
+ m_int_handler(0);
+}
+
+//-------------------------------------------------
+// key_break - handle a key being released
+//-------------------------------------------------
+
+void informer_213_kbd_hle_device::key_break(uint8_t row, uint8_t column)
+{
+ uint8_t code = row * 16 + column;
+
+ if (typematic_is(row, column))
+ typematic_stop();
+
+ // send the break code (only for modifier keys: SHIFT and ALT)
+ if (code > 0x80 && code != 0x84)
+ {
+ m_mod = 0x80;
+ m_key = m_mod;
+ m_int_handler(1);
+ m_int_handler(0);
+ }
+}
+
+//-------------------------------------------------
+// key_repeat - handle a key being repeated
+//-------------------------------------------------
+
+void informer_213_kbd_hle_device::key_repeat(u8 row, u8 column)
+{
+ uint8_t code = row * 16 + column;
+ m_key = code;
+ m_int_handler(1);
+ m_int_handler(0);
+}
+
+//-------------------------------------------------
+// read - read data from keyboard
+//-------------------------------------------------
+
+uint8_t informer_213_kbd_hle_device::read()
+{
+ uint8_t tmp = m_key;
+ m_key = 0xff;
+
+ return tmp;
+}
+
+//-------------------------------------------------
+// write - write data to keyboard
+//-------------------------------------------------
+
+void informer_213_kbd_hle_device::write(uint8_t data)
+{
+ logerror("Keyboard received: %02x\n", data);
+}
diff --git a/src/mame/machine/informer_213_kbd.h b/src/mame/machine/informer_213_kbd.h
new file mode 100644
index 00000000000..3c66eb8cc2e
--- /dev/null
+++ b/src/mame/machine/informer_213_kbd.h
@@ -0,0 +1,58 @@
+// license: BSD-3-Clause
+// copyright-holders: Dirk Best
+/***************************************************************************
+
+ Informer 213 Keyboard (HLE)
+
+***************************************************************************/
+
+#ifndef MAME_MACHINE_INFORMER_213_KBD_H
+#define MAME_MACHINE_INFORMER_213_KBD_H
+
+#pragma once
+
+#include "machine/keyboard.h"
+#include "diserial.h"
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> informer_213_kbd_hle_device
+
+class informer_213_kbd_hle_device : public device_t,
+ protected device_matrix_keyboard_interface<9>
+{
+public:
+ // construction/destruction
+ informer_213_kbd_hle_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
+
+ // callbacks
+ auto int_handler() { return m_int_handler.bind(); }
+
+ // from host
+ uint8_t read();
+ void write(uint8_t data);
+
+protected:
+ // device_t overrides
+ virtual ioport_constructor device_input_ports() const override;
+ virtual void device_start() override;
+ virtual void device_reset() 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:
+ devcb_write_line m_int_handler;
+ uint8_t m_key;
+ uint8_t m_mod;
+};
+
+// device type definition
+DECLARE_DEVICE_TYPE(INFORMER_213_KBD_HLE, informer_213_kbd_hle_device)
+
+#endif // MAME_MACHINE_INFORMER_213_KBD_H