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author AJR <ajrhacker@users.noreply.github.com>2018-12-21 00:23:54 -0500
committer AJR <ajrhacker@users.noreply.github.com>2018-12-21 00:24:26 -0500
commitfae17ac3a675f32afe72e36f286abbfb4dfc25f7 (patch)
tree47edec974647e152b6a510b1e10c6dfc7e8a2377
parenta5dffb560c924023ade2a28cea1edf8588c2d2a5 (diff)
tv955: Make keyboard begin to work; add cursor
-rw-r--r--scripts/target/mame/mess.lua1
-rw-r--r--src/mame/drivers/tv955.cpp56
-rw-r--r--src/mame/machine/tv955kb.cpp275
-rw-r--r--src/mame/machine/tv955kb.h59
4 files changed, 372 insertions, 19 deletions
diff --git a/scripts/target/mame/mess.lua b/scripts/target/mame/mess.lua
index c7ebe08a09f..d84b897709f 100644
--- a/scripts/target/mame/mess.lua
+++ b/scripts/target/mame/mess.lua
@@ -3299,6 +3299,7 @@ files {
MAME_DIR .. "src/mame/drivers/tv965.cpp",
MAME_DIR .. "src/mame/drivers/tv990.cpp",
MAME_DIR .. "src/mame/drivers/ts3000.cpp",
+ MAME_DIR .. "src/mame/machine/tv955kb.cpp",
}
createMESSProjects(_target, _subtarget, "tem")
diff --git a/src/mame/drivers/tv955.cpp b/src/mame/drivers/tv955.cpp
index 8023ab87bf1..722d0d167ea 100644
--- a/src/mame/drivers/tv955.cpp
+++ b/src/mame/drivers/tv955.cpp
@@ -1,5 +1,5 @@
// license:BSD-3-Clause
-// copyright-holders:
+// copyright-holders:AJR
/***********************************************************************************************************************************
Skeleton driver for "third generation" TeleVideo terminals (905, 955, 9220).
@@ -7,9 +7,9 @@ Skeleton driver for "third generation" TeleVideo terminals (905, 955, 9220).
************************************************************************************************************************************/
#include "emu.h"
+#include "machine/tv955kb.h"
#include "bus/rs232/rs232.h"
#include "cpu/m6502/m65c02.h"
-#include "cpu/mcs48/mcs48.h"
#include "machine/input_merger.h"
#include "machine/mos6551.h"
#include "machine/nvram.h"
@@ -24,6 +24,8 @@ public:
, m_maincpu(*this, "maincpu")
, m_crtc(*this, "crtc")
, m_hostuart(*this, "hostuart")
+ , m_printuart(*this, "printuart")
+ , m_keybuart(*this, "keybuart")
, m_mainport(*this, "mainport")
, m_printer(*this, "printer")
, m_chargen(*this, "chargen")
@@ -38,6 +40,7 @@ private:
SCN2674_DRAW_CHARACTER_MEMBER(draw_character);
void control_latch_w(u8 data);
+ DECLARE_WRITE_LINE_MEMBER(system_reset_w);
void mem_map(address_map &map);
void char_map(address_map &map);
@@ -46,6 +49,8 @@ private:
required_device<cpu_device> m_maincpu;
required_device<scn2674_device> m_crtc;
required_device<mos6551_device> m_hostuart;
+ required_device<mos6551_device> m_printuart;
+ required_device<mos6551_device> m_keybuart;
required_device<rs232_port_device> m_mainport;
required_device<rs232_port_device> m_printer;
required_region_ptr<u8> m_chargen;
@@ -55,16 +60,24 @@ void tv955_state::machine_reset()
{
m_printer->write_rts(0);
m_printer->write_dtr(0);
+
+ m_printuart->write_cts(0);
+ m_keybuart->write_cts(0);
}
SCN2674_DRAW_CHARACTER_MEMBER(tv955_state::draw_character)
{
u16 dots = m_chargen[charcode << 4 | linecount] << 1;
- dots |= (BIT(dots, 1) && BIT(charcode, 7) ? 1 : 0) | (dots & 0x100) << 1;
+ if (BIT(dots, 1) && BIT(charcode, 7))
+ dots |= 1;
+
+ // TODO: attribute logic
+ if (cursor)
+ dots = ~dots;
for (int i = 0; i < 9; i++)
{
- bitmap.pix32(y, x++) = BIT(dots, 9) ? rgb_t::white() : rgb_t::black();
+ bitmap.pix32(y, x++) = BIT(dots, 8) ? rgb_t::white() : rgb_t::black();
dots <<= 1;
}
}
@@ -89,14 +102,19 @@ void tv955_state::control_latch_w(u8 data)
}
}
+WRITE_LINE_MEMBER(tv955_state::system_reset_w)
+{
+ // TODO
+}
+
void tv955_state::mem_map(address_map &map)
{
// verified from maintenance manual (131968-00-C)
map(0x0000, 0x07ff).mirror(0x0800).ram().share("nvram");
map(0x1100, 0x1100).mirror(0x00ff).w(FUNC(tv955_state::control_latch_w));
- map(0x1200, 0x1203).mirror(0x00fc).rw("keybuart", FUNC(mos6551_device::read), FUNC(mos6551_device::write));
- map(0x1400, 0x1403).mirror(0x00fc).rw("printuart", FUNC(mos6551_device::read), FUNC(mos6551_device::write));
- map(0x1800, 0x1803).mirror(0x00fc).rw("hostuart", FUNC(mos6551_device::read), FUNC(mos6551_device::write));
+ map(0x1200, 0x1203).mirror(0x00fc).rw(m_keybuart, FUNC(mos6551_device::read), FUNC(mos6551_device::write));
+ map(0x1400, 0x1403).mirror(0x00fc).rw(m_printuart, FUNC(mos6551_device::read), FUNC(mos6551_device::write));
+ map(0x1800, 0x1803).mirror(0x00fc).rw(m_hostuart, FUNC(mos6551_device::read), FUNC(mos6551_device::write));
map(0x2000, 0x2007).mirror(0x0ff8).rw("crtc", FUNC(scn2674_device::read), FUNC(scn2674_device::write));
map(0x3000, 0x3fff).rom().region("option", 0);
map(0x4000, 0x7fff).ram().share("attrram");
@@ -124,7 +142,9 @@ void tv955_state::tv955(machine_config &config)
INPUT_MERGER_ANY_HIGH(config, "mainirq").output_handler().set_inputline(m_maincpu, m6502_device::IRQ_LINE);
- I8049(config, "keyboard", 5.7143_MHz_XTAL);
+ tv955kb_device &keyboard(TV955_KEYBOARD(config, "keyboard"));
+ keyboard.txd_cb().set("keybuart", FUNC(mos6551_device::write_rxd));
+ keyboard.reset_cb().set(FUNC(tv955_state::system_reset_w));
NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_0); // HM6116LP-4 + 3.2V battery
@@ -151,16 +171,17 @@ void tv955_state::tv955(machine_config &config)
m_hostuart->rts_handler().set(m_mainport, FUNC(rs232_port_device::write_rts));
m_hostuart->dtr_handler().set(m_mainport, FUNC(rs232_port_device::write_dtr));
- mos6551_device &printuart(MOS6551(config, "printuart", 0));
- printuart.set_xtal(3.6864_MHz_XTAL / 2);
- printuart.irq_handler().set("mainirq", FUNC(input_merger_device::in_w<1>));
- printuart.txd_handler().set(m_printer, FUNC(rs232_port_device::write_txd));
+ MOS6551(config, m_printuart, 0);
+ m_printuart->set_xtal(3.6864_MHz_XTAL / 2);
+ m_printuart->irq_handler().set("mainirq", FUNC(input_merger_device::in_w<1>));
+ m_printuart->txd_handler().set(m_printer, FUNC(rs232_port_device::write_txd));
- mos6551_device &keybuart(MOS6551(config, "keybuart", 0));
- keybuart.set_xtal(3.6864_MHz_XTAL / 2);
- keybuart.irq_handler().set("mainirq", FUNC(input_merger_device::in_w<2>));
+ MOS6551(config, m_keybuart, 0);
+ m_keybuart->set_xtal(3.6864_MHz_XTAL / 2);
+ m_keybuart->irq_handler().set("mainirq", FUNC(input_merger_device::in_w<2>));
+ m_keybuart->txd_handler().set("keyboard", FUNC(tv955kb_device::write_rxd));
- RS232_PORT(config, m_mainport, default_rs232_devices, nullptr); // DTE
+ RS232_PORT(config, m_mainport, default_rs232_devices, "loopback"); // DTE
m_mainport->rxd_handler().set(m_hostuart, FUNC(mos6551_device::write_rxd));
m_mainport->cts_handler().set(m_hostuart, FUNC(mos6551_device::write_cts));
m_mainport->dsr_handler().set(m_hostuart, FUNC(mos6551_device::write_dsr));
@@ -190,9 +211,6 @@ ROM_START( tv955 )
ROM_REGION(0x1000, "chargen", 0)
ROM_LOAD( "t180002-26b.u45", 0x0000, 0x1000, CRC(69c9ebc7) SHA1(32282c816ec597a7c45e939acb7a4155d35ea584) )
-
- ROM_REGION(0x0800, "keyboard", 0)
- ROM_LOAD( "8049.kbd", 0x0000, 0x0800, CRC(bc86e349) SHA1(0b62003ab7931822f1bcac8370517c685849f62c) )
ROM_END
COMP( 1985, tv955, 0, 0, tv955, tv955, tv955_state, empty_init, "TeleVideo Systems", "TeleVideo 955", MACHINE_IS_SKELETON )
diff --git a/src/mame/machine/tv955kb.cpp b/src/mame/machine/tv955kb.cpp
new file mode 100644
index 00000000000..6e5c2e23557
--- /dev/null
+++ b/src/mame/machine/tv955kb.cpp
@@ -0,0 +1,275 @@
+// license:BSD-3-Clause
+// copyright-holders:AJR
+/***********************************************************************************************************************************
+
+TeleVideo 955 111-key serial keyboard emulation.
+
+Connector pinout:
+ 1 Chassis GND
+ 2 +12V DC
+ 3 Logic GND
+ 4 Keyboard TxD
+ 5 Terminal TxD
+ 6 /RESET
+
+************************************************************************************************************************************/
+
+#include "emu.h"
+#include "machine/tv955kb.h"
+#include "machine/input_merger.h"
+
+DEFINE_DEVICE_TYPE(TV955_KEYBOARD, tv955kb_device, "tv955kb", "TeleVideo 955 Keyboard")
+
+tv955kb_device::tv955kb_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
+ : device_t(mconfig, TV955_KEYBOARD, tag, owner, clock)
+ , m_txd_cb(*this)
+ , m_reset_cb(*this)
+ , m_mcu(*this, "mcu")
+ , m_keys(*this, "Y%u", 0U)
+{
+}
+
+void tv955kb_device::device_resolve_objects()
+{
+ m_txd_cb.resolve_safe();
+ m_reset_cb.resolve_safe();
+}
+
+void tv955kb_device::device_start()
+{
+}
+
+WRITE_LINE_MEMBER(tv955kb_device::write_rxd)
+{
+ m_mcu->set_input_line(MCS48_INPUT_IRQ, state ? CLEAR_LINE : ASSERT_LINE);
+}
+
+u8 tv955kb_device::keys_r()
+{
+ const u8 p1 = m_mcu->p1_r();
+ u8 result = 0xff;
+
+ if ((p1 & 0x0f) < 10)
+ result &= m_keys[p1 & 0x0f]->read();
+ if ((p1 >> 4) < 6)
+ result &= m_keys[10 + (p1 >> 4)]->read();
+
+ return result;
+}
+
+WRITE_LINE_MEMBER(tv955kb_device::bell_w)
+{
+ // TODO
+}
+
+WRITE_LINE_MEMBER(tv955kb_device::txd_w)
+{
+ m_txd_cb(state);
+}
+
+WRITE_LINE_MEMBER(tv955kb_device::reset_w)
+{
+ m_reset_cb(state);
+}
+
+void tv955kb_device::device_add_mconfig(machine_config &config)
+{
+ I8049(config, m_mcu, 5.7143_MHz_XTAL);
+ m_mcu->p2_in_cb().set_ioport("SHIFT");
+ m_mcu->p2_out_cb().set(FUNC(tv955kb_device::bell_w)).bit(6).invert();
+ m_mcu->p2_out_cb().append(FUNC(tv955kb_device::txd_w)).bit(7);
+ m_mcu->t0_in_cb().set_ioport("FUNCT").bit(0);
+ m_mcu->t1_in_cb().set_ioport("FUNCT").bit(1);
+ m_mcu->bus_in_cb().set(FUNC(tv955kb_device::keys_r));
+
+ INPUT_MERGER_ALL_LOW(config, "resetctl").output_handler().set(FUNC(tv955kb_device::reset_w));
+
+ // TODO: bell (MC14040 clocked by ALE)
+}
+
+static INPUT_PORTS_START(tv955kb)
+ PORT_START("Y0")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(F1)) PORT_CODE(KEYCODE_F1)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Esc Loc Esc") PORT_CHAR(0x1b) PORT_CODE(KEYCODE_ESC)
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("UA") // "Back Tab" according to manuals
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("UB") // "Print" according to manuals
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(TAB)) PORT_CODE(KEYCODE_TAB)
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('z') PORT_CHAR('Z') PORT_CODE(KEYCODE_Z)
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('q') PORT_CHAR('Q') PORT_CODE(KEYCODE_Q)
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("Y1")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(F3)) PORT_CODE(KEYCODE_F3)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('2') PORT_CHAR('@') PORT_CODE(KEYCODE_2)
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('a') PORT_CHAR('A') PORT_CODE(KEYCODE_A)
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('x') PORT_CHAR('X') PORT_CODE(KEYCODE_X)
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('w') PORT_CHAR('W') PORT_CODE(KEYCODE_W)
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('r') PORT_CHAR('R') PORT_CODE(KEYCODE_R)
+
+ PORT_START("Y2")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Space Bar") PORT_CHAR(' ') PORT_CODE(KEYCODE_SPACE)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('d') PORT_CHAR('D') PORT_CODE(KEYCODE_D)
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('6') PORT_CHAR('^') PORT_CODE(KEYCODE_6)
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('g') PORT_CHAR('G') PORT_CODE(KEYCODE_G)
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('t') PORT_CHAR('T') PORT_CODE(KEYCODE_T)
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('v') PORT_CHAR('V') PORT_CODE(KEYCODE_V)
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(F8)) PORT_CODE(KEYCODE_F8)
+
+ PORT_START("Y3")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(F2)) PORT_CODE(KEYCODE_F2)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('1') PORT_CHAR('!') PORT_CODE(KEYCODE_1)
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('s') PORT_CHAR('S') PORT_CODE(KEYCODE_S)
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('c') PORT_CHAR('C') PORT_CODE(KEYCODE_C)
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('e') PORT_CHAR('E') PORT_CODE(KEYCODE_E)
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(F4)) PORT_CODE(KEYCODE_F4)
+
+ PORT_START("Y4")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(F5)) PORT_CODE(KEYCODE_F5)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('3') PORT_CHAR('#') PORT_CODE(KEYCODE_3)
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('f') PORT_CHAR('F') PORT_CODE(KEYCODE_F)
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('4') PORT_CHAR('$') PORT_CODE(KEYCODE_4)
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(F6)) PORT_CODE(KEYCODE_F6)
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('5') PORT_CHAR('%') PORT_CODE(KEYCODE_5)
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(F7)) PORT_CODE(KEYCODE_F7)
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("Y5")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('y') PORT_CHAR('Y') PORT_CODE(KEYCODE_Y)
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('b') PORT_CHAR('B') PORT_CODE(KEYCODE_B)
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('7') PORT_CHAR('&') PORT_CODE(KEYCODE_7)
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('h') PORT_CHAR('H') PORT_CODE(KEYCODE_H)
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("FKeys A") PORT_CODE(KEYCODE_F9) // "F9" according to manuals
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('8') PORT_CHAR('*') PORT_CODE(KEYCODE_8)
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('j') PORT_CHAR('J') PORT_CODE(KEYCODE_J)
+
+ PORT_START("Y6")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(HOME)) PORT_CODE(KEYCODE_RALT)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('p') PORT_CHAR('P') PORT_CODE(KEYCODE_P)
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('.') PORT_CHAR('>') PORT_CODE(KEYCODE_STOP)
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("U1") PORT_CODE(KEYCODE_F13) // "F13" according to manuals
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Blank key") PORT_CODE(KEYCODE_F12) // "F12" according to manuals
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('[') PORT_CHAR(']') PORT_CODE(KEYCODE_OPENBRACE)
+
+ PORT_START("Y7")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('u') PORT_CHAR('U') PORT_CODE(KEYCODE_U)
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('n') PORT_CHAR('N') PORT_CODE(KEYCODE_N)
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('k') PORT_CHAR('K') PORT_CODE(KEYCODE_K)
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('9') PORT_CHAR('(') PORT_CODE(KEYCODE_9)
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Help") PORT_CODE(KEYCODE_F11) // "F11" according to manuals
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('i') PORT_CHAR('I') PORT_CODE(KEYCODE_I)
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('m') PORT_CHAR('M') PORT_CODE(KEYCODE_M)
+
+ PORT_START("Y8")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('\'') PORT_CHAR('"') PORT_CODE(KEYCODE_QUOTE)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) PORT_CODE(KEYCODE_DOWN)
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('=') PORT_CHAR('+') PORT_CODE(KEYCODE_EQUALS)
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("U2") PORT_CODE(KEYCODE_F14) // "F14" according to manuals
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('`') PORT_CHAR('~') PORT_CODE(KEYCODE_TILDE) // actually between = and backslash keys
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(UP)) PORT_CODE(KEYCODE_UP)
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('/') PORT_CHAR('?') PORT_CODE(KEYCODE_SLASH)
+
+ PORT_START("Y9")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(',') PORT_CHAR('<') PORT_CODE(KEYCODE_COMMA)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('o') PORT_CHAR('O') PORT_CODE(KEYCODE_O)
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(';') PORT_CHAR(':') PORT_CODE(KEYCODE_COLON)
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('0') PORT_CHAR(')') PORT_CODE(KEYCODE_0)
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("FKeys B") PORT_CODE(KEYCODE_F10) // "F10" according to manuals
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('-') PORT_CHAR('_') PORT_CODE(KEYCODE_MINUS)
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('l') PORT_CHAR('L') PORT_CODE(KEYCODE_L)
+
+ PORT_START("Y10")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Line Feed") PORT_CHAR(0x0a) PORT_CODE(KEYCODE_CLOSEBRACE)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Back Space") PORT_CHAR(0x08) PORT_CODE(KEYCODE_BACKSPACE)
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("U3") PORT_CODE(KEYCODE_F15) // "F15" according to manuals
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('\\') PORT_CHAR('|') PORT_CODE(KEYCODE_BACKSLASH)
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('{') PORT_CHAR('}') PORT_CODE(KEYCODE_RCONTROL)
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("U4") PORT_CODE(KEYCODE_F16) // "F16" according to manuals
+
+ PORT_START("Y11")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("U8") // "Char Delete" according to manuals
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad CE")
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(7_PAD)) PORT_CODE(KEYCODE_7_PAD)
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("U6") // "Line Insert" according to manuals
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(1_PAD)) PORT_CODE(KEYCODE_1_PAD)
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("U10") // "Page Erase" according to manuals
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(2_PAD)) PORT_CODE(KEYCODE_2_PAD)
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("Y12")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("U0") // "Clear Space" according to manuals
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Del")
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Break")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) PORT_CODE(KEYCODE_LEFT)
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Return") PORT_CHAR(0x0d) PORT_CODE(KEYCODE_ENTER)
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) PORT_CODE(KEYCODE_RIGHT)
+
+ PORT_START("Y13")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("U7") // "Line Erase" according to manuals
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(9_PAD)) PORT_CODE(KEYCODE_9_PAD)
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(3_PAD)) PORT_CODE(KEYCODE_3_PAD)
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("U11") // "Page" according to manuals
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(DEL_PAD)) PORT_CODE(KEYCODE_DEL_PAD)
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(COMMA_PAD)) PORT_CODE(KEYCODE_PLUS_PAD)
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Set Up") // unshifted is "No Scroll" according to manuals
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(ENTER_PAD)) PORT_CODE(KEYCODE_ENTER_PAD)
+
+ PORT_START("Y14")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("U5") // "Char Insert" according to manuals
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(TAB_PAD)) PORT_CODE(KEYCODE_TAB_PAD)
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(0_PAD)) PORT_CODE(KEYCODE_0_PAD)
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(4_PAD)) PORT_CODE(KEYCODE_4_PAD)
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("U9") // "Line Delete" according to manuals
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(5_PAD)) PORT_CODE(KEYCODE_5_PAD)
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(00_PAD)) PORT_CODE(KEYCODE_00_PAD)
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(8_PAD)) PORT_CODE(KEYCODE_8_PAD)
+
+ PORT_START("Y15")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(6_PAD)) PORT_CODE(KEYCODE_6_PAD)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(MINUS_PAD)) PORT_CODE(KEYCODE_MINUS_PAD)
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Define Prekey") // "Send" according to manuals
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("SHIFT")
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Shift") PORT_CHAR(UCHAR_SHIFT_1) PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT)
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Ctrl") PORT_CHAR(UCHAR_SHIFT_2) PORT_CODE(KEYCODE_LCONTROL) PORT_WRITE_LINE_DEVICE_MEMBER("resetctl", input_merger_device, in_w<0>)
+ PORT_BIT(0xcf, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("FUNCT")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Alpha Lock") PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) PORT_CODE(KEYCODE_CAPSLOCK) PORT_TOGGLE
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Funct") PORT_CHAR(UCHAR_MAMEKEY(LALT)) PORT_CODE(KEYCODE_LALT)
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Reset") PORT_WRITE_LINE_DEVICE_MEMBER("resetctl", input_merger_device, in_w<1>)
+INPUT_PORTS_END
+
+ioport_constructor tv955kb_device::device_input_ports() const
+{
+ return INPUT_PORTS_NAME(tv955kb);
+}
+
+ROM_START(tv955kb)
+ ROM_REGION(0x0800, "mcu", 0)
+ ROM_LOAD("8049.kbd", 0x0000, 0x0800, CRC(bc86e349) SHA1(0b62003ab7931822f1bcac8370517c685849f62c))
+ROM_END
+
+const tiny_rom_entry *tv955kb_device::device_rom_region() const
+{
+ return ROM_NAME(tv955kb);
+}
diff --git a/src/mame/machine/tv955kb.h b/src/mame/machine/tv955kb.h
new file mode 100644
index 00000000000..d79f4df14ed
--- /dev/null
+++ b/src/mame/machine/tv955kb.h
@@ -0,0 +1,59 @@
+// license:BSD-3-Clause
+// copyright-holders:AJR
+
+#ifndef MAME_MACHINE_TV955KB_H
+#define MAME_MACHINE_TV955KB_H
+
+#pragma once
+
+#include "cpu/mcs48/mcs48.h"
+//#include "machine/ripple_counter.h"
+//#include "sound/spkrdev.h"
+//#include "speaker.h"
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> tv955kb_device
+
+class tv955kb_device : public device_t
+{
+public:
+ tv955kb_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock = 0);
+
+ // configuration
+ auto txd_cb() { return m_txd_cb.bind(); }
+ auto reset_cb() { return m_reset_cb.bind(); }
+
+ DECLARE_WRITE_LINE_MEMBER(write_rxd);
+
+ static constexpr feature_type unemulated_features() { return feature::SOUND; }
+
+protected:
+ // device-specific overrides
+ virtual void device_resolve_objects() override;
+ virtual void device_start() override;
+ virtual void device_add_mconfig(machine_config &config) override;
+ virtual ioport_constructor device_input_ports() const override;
+ virtual const tiny_rom_entry *device_rom_region() const override;
+
+private:
+ u8 keys_r();
+ DECLARE_WRITE_LINE_MEMBER(bell_w);
+ DECLARE_WRITE_LINE_MEMBER(txd_w);
+ DECLARE_WRITE_LINE_MEMBER(reset_w);
+
+ // line output callbacks
+ devcb_write_line m_txd_cb;
+ devcb_write_line m_reset_cb;
+
+ required_device<mcs48_cpu_device> m_mcu;
+ required_ioport_array<16> m_keys;
+};
+
+// device type definition
+DECLARE_DEVICE_TYPE(TV955_KEYBOARD, tv955kb_device)
+
+#endif // MAME_MACHINE_TV955KB_H