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author 68bit <53298758+68bit@users.noreply.github.com>2020-07-11 05:41:52 +1000
committer GitHub <noreply@github.com>2020-07-10 15:41:52 -0400
commit5972474a21b12728fa9703c1fec8f94c0562f825 (patch)
tree7aac9747023765e0fa47dac55d66ae736d552125
parent47e32437cd308ece08629e1909cb6d6990ea0d85 (diff)
New machines added as WORKING
New machines added as WORKING --- Motorola EXORterm 155 [68bit]
-rw-r--r--scripts/src/bus.lua2
-rw-r--r--scripts/src/machine.lua20
-rw-r--r--scripts/target/mame/mess.lua7
-rw-r--r--src/devices/bus/rs232/exorterm.cpp87
-rw-r--r--src/devices/bus/rs232/exorterm.h40
-rw-r--r--src/devices/machine/exorterm.cpp906
-rw-r--r--src/devices/machine/exorterm.h154
-rw-r--r--src/emu/layout/exorterm155.lay80
-rw-r--r--src/mame/drivers/exorterm.cpp58
-rw-r--r--src/mame/mame.lst3
-rw-r--r--src/mame/mess.flt1
11 files changed, 1358 insertions, 0 deletions
diff --git a/scripts/src/bus.lua b/scripts/src/bus.lua
index 35910c430c3..323dc624095 100644
--- a/scripts/src/bus.lua
+++ b/scripts/src/bus.lua
@@ -2528,6 +2528,8 @@ if (BUSES["RS232"]~=null) then
MAME_DIR .. "src/devices/bus/rs232/ie15.h",
MAME_DIR .. "src/devices/bus/rs232/swtpc8212.cpp",
MAME_DIR .. "src/devices/bus/rs232/swtpc8212.h",
+ MAME_DIR .. "src/devices/bus/rs232/exorterm.cpp",
+ MAME_DIR .. "src/devices/bus/rs232/exorterm.h",
}
end
diff --git a/scripts/src/machine.lua b/scripts/src/machine.lua
index 686018bff27..ddacf5da639 100644
--- a/scripts/src/machine.lua
+++ b/scripts/src/machine.lua
@@ -1241,6 +1241,26 @@ end
---------------------------------------------------
--
+--@src/devices/machine/exorterm.h,MACHINES["EXORTERM"] = true
+---------------------------------------------------
+
+if (MACHINES["EXORTERM"]~=null) then
+ files {
+ MAME_DIR .. "src/devices/machine/exorterm.cpp",
+ MAME_DIR .. "src/devices/machine/exorterm.h",
+ }
+
+ dependency {
+ { MAME_DIR .. "src/devices/machine/exorterm.cpp", GEN_DIR .. "emu/layout/exorterm155.lh" },
+ }
+
+ custombuildtask {
+ layoutbuildtask("emu/layout", "exorterm155"),
+ }
+end
+
+---------------------------------------------------
+--
--@src/devices/machine/f3853.h,MACHINES["F3853"] = true
---------------------------------------------------
diff --git a/scripts/target/mame/mess.lua b/scripts/target/mame/mess.lua
index 5bb226d03c0..3e3cdee2606 100644
--- a/scripts/target/mame/mess.lua
+++ b/scripts/target/mame/mess.lua
@@ -497,6 +497,7 @@ MACHINES["E05A30"] = true
MACHINES["EEPROMDEV"] = true
MACHINES["ER1400"] = true
MACHINES["ER2055"] = true
+MACHINES["EXORTERM"] = true
MACHINES["F3853"] = true
MACHINES["HD63450"] = true
MACHINES["HD64610"] = true
@@ -1185,6 +1186,7 @@ function linkProjects_mame_mess(_target, _subtarget)
"epson",
"ericsson",
"exidy",
+ "exorterm",
"fairch",
"fairlight",
"fidelity",
@@ -2319,6 +2321,11 @@ files {
MAME_DIR .. "src/mame/machine/micropolis.h",
}
+createMESSProjects(_target, _subtarget, "exorterm")
+files {
+ MAME_DIR .. "src/mame/drivers/exorterm.cpp",
+}
+
createMESSProjects(_target, _subtarget, "fairch")
files {
MAME_DIR .. "src/mame/drivers/channelf.cpp",
diff --git a/src/devices/bus/rs232/exorterm.cpp b/src/devices/bus/rs232/exorterm.cpp
new file mode 100644
index 00000000000..d47c15b4d54
--- /dev/null
+++ b/src/devices/bus/rs232/exorterm.cpp
@@ -0,0 +1,87 @@
+// license:BSD-3-Clause
+// copyright-holders:68bit
+
+#include "emu.h"
+#include "exorterm.h"
+
+exorterm155_terminal_device::exorterm155_terminal_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
+ : device_t(mconfig, SERIAL_TERMINAL_EXORTERM155, tag, owner, clock)
+ , device_rs232_port_interface(mconfig, *this)
+ , m_exorterm155(*this, "exorterm155")
+ , m_flow_control(*this, "FLOW_CONTROL")
+{
+}
+
+void exorterm155_terminal_device::device_add_mconfig(machine_config &config)
+{
+ EXORTERM155(config, m_exorterm155, 0);
+ m_exorterm155->rs232_conn_txd_handler().set(FUNC(exorterm155_terminal_device::output_rxd));
+ m_exorterm155->rs232_conn_rts_handler().set(FUNC(exorterm155_terminal_device::route_term_rts));
+ m_exorterm155->rs232_conn_dtr_handler().set(FUNC(exorterm155_terminal_device::route_term_dtr));
+}
+
+INPUT_PORTS_START(exorterm155_terminal)
+
+ PORT_START("FLOW_CONTROL")
+ PORT_CONFNAME(0x1, 1, "Flow Control") PORT_CHANGED_MEMBER(DEVICE_SELF, exorterm155_terminal_device, flow_control, 0)
+ PORT_CONFSETTING(0x00, "None")
+ PORT_CONFSETTING(0x01, "Terminal DTR to remote CTS")
+
+INPUT_PORTS_END
+
+ioport_constructor exorterm155_terminal_device::device_input_ports() const
+{
+ return INPUT_PORTS_NAME(exorterm155_terminal);
+}
+
+WRITE_LINE_MEMBER(exorterm155_terminal_device::input_txd)
+{
+ m_exorterm155->rs232_conn_rxd_w(state);
+}
+
+WRITE_LINE_MEMBER(exorterm155_terminal_device::route_term_rts)
+{
+ // Loop the terminal RTS output to the terminal CTS input.
+ m_exorterm155->rs232_conn_cts_w(state);
+}
+
+// This terminal uses DTR for hardware flow control.
+WRITE_LINE_MEMBER(exorterm155_terminal_device::route_term_dtr)
+{
+ if (m_flow_control->read())
+ {
+ // Connect the terminal DTR output to CTS at the other end.
+ output_cts(state);
+ }
+
+ // Cache the state, in case the ioport setting changes.
+ m_dtr = state;
+}
+
+INPUT_CHANGED_MEMBER(exorterm155_terminal_device::flow_control)
+{
+ if (newval)
+ output_cts(m_dtr);
+ else
+ output_cts(0);
+}
+
+void exorterm155_terminal_device::device_start()
+{
+ save_item(NAME(m_dtr));
+}
+
+void exorterm155_terminal_device::device_reset()
+{
+ // To the terminal
+ m_exorterm155->rs232_conn_cts_w(0);
+
+ // To the computer
+ output_rxd(1);
+ output_dcd(0);
+ output_dsr(0);
+ if (!m_flow_control->read())
+ output_cts(0);
+}
+
+DEFINE_DEVICE_TYPE(SERIAL_TERMINAL_EXORTERM155, exorterm155_terminal_device, "exorterm155_terminal", "EXORterm 155 Terminal")
diff --git a/src/devices/bus/rs232/exorterm.h b/src/devices/bus/rs232/exorterm.h
new file mode 100644
index 00000000000..c8ae8298b13
--- /dev/null
+++ b/src/devices/bus/rs232/exorterm.h
@@ -0,0 +1,40 @@
+// license:BSD-3-Clause
+// copyright-holders:68bit
+
+#ifndef MAME_BUS_RS232_EXORTERM_H
+#define MAME_BUS_RS232_EXORTERM_H
+
+#pragma once
+
+#include "rs232.h"
+#include "machine/exorterm.h"
+
+
+class exorterm155_terminal_device : public device_t, public device_rs232_port_interface
+{
+public:
+ exorterm155_terminal_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+ virtual DECLARE_WRITE_LINE_MEMBER(input_txd) override;
+
+ DECLARE_INPUT_CHANGED_MEMBER(flow_control);
+
+protected:
+ virtual void device_start() override;
+ virtual void device_reset() override;
+ virtual void device_add_mconfig(machine_config &config) override;
+ virtual ioport_constructor device_input_ports() const override;
+
+private:
+ required_device<exorterm155_device> m_exorterm155;
+ required_ioport m_flow_control;
+
+ DECLARE_WRITE_LINE_MEMBER(route_term_rts);
+ DECLARE_WRITE_LINE_MEMBER(route_term_dtr);
+
+ int m_dtr;
+};
+
+DECLARE_DEVICE_TYPE(SERIAL_TERMINAL_EXORTERM155, exorterm155_terminal_device)
+
+#endif // MAME_BUS_RS232_EXORTERM_H
diff --git a/src/devices/machine/exorterm.cpp b/src/devices/machine/exorterm.cpp
new file mode 100644
index 00000000000..923dc049ee7
--- /dev/null
+++ b/src/devices/machine/exorterm.cpp
@@ -0,0 +1,906 @@
+// license:BSD-3-Clause
+// copyright-holders: 68bit
+/****************************************************************************
+
+Motorola EXORterm 155 (M68SDS)
+
+The terminfo database has an entry for this terminal named 'ex155'.
+
+TODO
+ - Keyboard layout. All the codes appear to have been implemented following
+ the manual but have not been checked with hardware. The key repetition
+ rate and delay need to be checked.
+ - Video character ROM needs dumping. An apparently close Motorola published
+ 7x9 character set has been substituted for now, but three of the codes
+ (0x1a, 0x1b, and 0x1c) do not match the characters listed in the manual.
+
+****************************************************************************/
+
+#include "emu.h"
+#include "machine/exorterm.h"
+#include "speaker.h"
+
+#include "exorterm155.lh"
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+exorterm155_device::exorterm155_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock)
+ : device_t(mconfig, type, tag, owner, clock)
+ , m_maincpu(*this, "maincpu")
+ , m_irqs(*this, "irqs")
+ , m_acia(*this, "acia")
+ , m_brg(*this, "brg")
+ , m_rs232_baud(*this, "RS232_BAUD")
+ , m_disable_fac(*this, "DISABLE_FAC")
+ , m_display_fac(*this, "DISPLAY_FAC")
+ , m_pia_kbd(*this, "pia_kbd")
+ , m_pia_cfg(*this, "pia_cfg")
+ , m_pia_disp(*this, "pia_disp")
+ , m_screen(*this, "screen")
+ , m_palette(*this, "palette")
+ , m_sys_timer_clock(*this, "sys_timer_clock")
+ , m_vram(*this, "videoram")
+ , m_chargen(*this, "chargen")
+ , m_beeper(*this, "beeper")
+ , m_online_led(*this, "online_led")
+ , m_auto_lf_led(*this, "auto_lf_led")
+ , m_page_mode_led(*this, "page_mode_led")
+ , m_insert_char_led(*this, "insert_char_led")
+ , m_rs232_conn_txd_handler(*this)
+ , m_rs232_conn_dtr_handler(*this)
+ , m_rs232_conn_rts_handler(*this)
+ // Keyboard
+ , m_kbd_scan_timer(nullptr)
+ , m_kbd_repeat_timer(nullptr)
+ , m_kbd_modifiers(*this, "KBD_MOD")
+ , m_kbd_rows(*this, "KBD_ROW%u", 0)
+ , m_kbd_next_row(0)
+ , m_kbd_processing(0)
+ , m_kbd_repeat_row(0)
+ , m_kbd_repeat_column(0)
+ , m_kbd_last_modifiers(0)
+{
+}
+
+exorterm155_device::exorterm155_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
+ : exorterm155_device(mconfig, EXORTERM155, tag, owner, clock)
+{
+}
+
+//**************************************************************************
+// ADDRESS MAPS
+//**************************************************************************
+
+void exorterm155_device::mem_map(address_map &map)
+{
+ // 2 x 1Kx4 static RAM.
+ map(0x0000, 0x03ff).ram(); // Scratch RAM
+
+ map(0xa000, 0xa7ff).rom(); // U89 68K edit mode
+ //map(0xa800, 0xafff).rom(); // U70 (reserved)
+ //map(0xb000, 0xb7ff).rom(); // U59 (reserved)
+ map(0xc000, 0xc7ff).rom(); // U49 Extended display
+ map(0xc800, 0xcfff).rom(); // U104 Basic display #1
+ map(0xd000, 0xd7ff).rom(); // U98 Basic display #2
+ // Appears to mirror to ff00-ffff for the reset vectors.
+ map(0xd800, 0xdfff).rom().mirror(0x2000); // U78 Terminal control
+
+ // 4 x 1Kx4 static RAM.
+ map(0xe000, 0xe7ff).ram().share(m_vram);
+
+ map(0xef00, 0xef01).rw(m_acia, FUNC(acia6850_device::read), FUNC(acia6850_device::write));
+ map(0xef04, 0xef07).rw(m_pia_kbd, FUNC(pia6821_device::read), FUNC(pia6821_device::write));
+ map(0xef08, 0xef0b).rw(m_pia_cfg, FUNC(pia6821_device::read), FUNC(pia6821_device::write));
+ map(0xef0c, 0xef0f).rw(m_pia_disp, FUNC(pia6821_device::read), FUNC(pia6821_device::write));
+}
+
+
+//**************************************************************************
+// INPUT PORT DEFINITIONS
+//**************************************************************************
+
+INPUT_PORTS_START( exorterm155 )
+
+ PORT_START("DISABLE_FAC")
+ PORT_DIPNAME(0x01, 0x01, "Disable FAC codes") PORT_DIPLOCATION("SW1:1")
+ PORT_DIPSETTING(0x00, "On")
+ PORT_DIPSETTING(0x01, "Off")
+
+ PORT_START("DISPLAY_FAC")
+ PORT_DIPNAME(0x01, 0x01, "Display FAC codes") PORT_DIPLOCATION("SW1:2")
+ PORT_DIPSETTING(0x00, "On")
+ PORT_DIPSETTING(0x01, "Off")
+
+ PORT_START("DIP_SWITCHES_A")
+ PORT_DIPNAME(0x01, 0x01, "Stop bits") PORT_DIPLOCATION("SW2:5")
+ PORT_DIPSETTING(0x00, "2")
+ PORT_DIPSETTING(0x01, "1")
+ PORT_DIPNAME(0x02, 0x02, "Duplex") PORT_DIPLOCATION("SW2:1")
+ PORT_DIPSETTING(0x00, "Half")
+ PORT_DIPSETTING(0x02, "Full")
+ PORT_DIPNAME(0x04, 0x04, "Parity") PORT_DIPLOCATION("SW2:2")
+ PORT_DIPSETTING(0x00, "Yes")
+ PORT_DIPSETTING(0x04, "No")
+ PORT_DIPNAME(0x08, 0x08, "Parity") PORT_DIPLOCATION("SW2:3")
+ PORT_DIPSETTING(0x00, "Odd")
+ PORT_DIPSETTING(0x08, "Even")
+ PORT_DIPNAME(0x10, 0x00, "Word size") PORT_DIPLOCATION("SW2:4")
+ PORT_DIPSETTING(0x00, "8-bit")
+ PORT_DIPSETTING(0x10, "7-bit")
+ PORT_DIPNAME(0x20, 0x00, "Connection") PORT_DIPLOCATION("SW2:6")
+ PORT_DIPSETTING(0x00, "Direct")
+ PORT_DIPSETTING(0x20, "Modem")
+ PORT_DIPNAME(0x40, 0x40, "Modem Type") PORT_DIPLOCATION("SW2:7")
+ PORT_DIPSETTING(0x00, "202")
+ PORT_DIPSETTING(0x40, "103")
+ PORT_DIPNAME(0x80, 0x80, "Turnaround") PORT_DIPLOCATION("SW2:8")
+ PORT_DIPSETTING(0x00, "Code")
+ PORT_DIPSETTING(0x80, "S-chan")
+
+ PORT_START("DIP_SWITCHES_B")
+ PORT_DIPNAME(0x01, 0x01, "Code") PORT_DIPLOCATION("SW2:9")
+ PORT_DIPSETTING(0x00, "ETX")
+ PORT_DIPSETTING(0x01, "EOT")
+ PORT_DIPNAME(0x02, 0x02, "Spare 1") PORT_DIPLOCATION("SW1:5")
+ PORT_DIPSETTING(0x00, "On")
+ PORT_DIPSETTING(0x02, "Off")
+ PORT_DIPNAME(0x04, 0x04, "Spare 2") PORT_DIPLOCATION("SW1:6")
+ PORT_DIPSETTING(0x00, "On")
+ PORT_DIPSETTING(0x04, "Off")
+ PORT_DIPNAME(0x08, 0x08, "Spare 3") PORT_DIPLOCATION("SW1:7")
+ PORT_DIPSETTING(0x00, "On")
+ PORT_DIPSETTING(0x08, "Off")
+ PORT_DIPNAME(0x10, 0x10, "Display special characters") PORT_DIPLOCATION("SW1:8")
+ PORT_DIPSETTING(0x00, "On")
+ PORT_DIPSETTING(0x10, "Off")
+ PORT_DIPNAME(0x40, 0x40, "Transparent mode") PORT_DIPLOCATION("SW1:3")
+ PORT_DIPSETTING(0x00, "On")
+ PORT_DIPSETTING(0x40, "Off")
+ PORT_DIPNAME(0x80, 0x80, "Video invert") PORT_DIPLOCATION("SW1:4")
+ PORT_DIPSETTING(0x00, "Invert")
+ PORT_DIPSETTING(0x80, "Normal")
+
+ PORT_START("RS232_BAUD")
+ PORT_DIPNAME(0x1ff, 0x01, "RS232 Baud Rate")
+ PORT_DIPSETTING(0x100, "110") PORT_DIPLOCATION("SW3:1,2,3,4,5,6,7,8,9")
+ PORT_DIPSETTING(0x080, "150") PORT_DIPLOCATION("SW3:1,2,3,4,5,6,7,8,9")
+ PORT_DIPSETTING(0x040, "300") PORT_DIPLOCATION("SW3:1,2,3,4,5,6,7,8,9")
+ PORT_DIPSETTING(0x020, "600") PORT_DIPLOCATION("SW3:1,2,3,4,5,6,7,8,9")
+ PORT_DIPSETTING(0x010, "1200") PORT_DIPLOCATION("SW3:1,2,3,4,5,6,7,8,9")
+ PORT_DIPSETTING(0x008, "1800") PORT_DIPLOCATION("SW3:1,2,3,4,5,6,7,8,9")
+ PORT_DIPSETTING(0x004, "2400") PORT_DIPLOCATION("SW3:1,2,3,4,5,6,7,8,9")
+ PORT_DIPSETTING(0x002, "4800") PORT_DIPLOCATION("SW3:1,2,3,4,5,6,7,8,9")
+ PORT_DIPSETTING(0x001, "9600") PORT_DIPLOCATION("SW3:1,2,3,4,5,6,7,8,9")
+
+ // Keyboard
+
+ PORT_START("KBD_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("All Caps") PORT_CODE(KEYCODE_CAPSLOCK) PORT_TOGGLE PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK))
+
+ PORT_START("KBD_ROW0")
+ PORT_BIT( 0x00001, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1))
+ PORT_BIT( 0x00002, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(F2))
+ PORT_BIT( 0x00004, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F3) PORT_CHAR(UCHAR_MAMEKEY(F3))
+ PORT_BIT( 0x00008, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F4) PORT_CHAR(UCHAR_MAMEKEY(F4))
+ PORT_BIT( 0x00010, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F5) PORT_CHAR(UCHAR_MAMEKEY(F5))
+ PORT_BIT( 0x00020, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F6) PORT_CHAR(UCHAR_MAMEKEY(F6))
+ PORT_BIT( 0x00040, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F7) PORT_CHAR(UCHAR_MAMEKEY(F7))
+ PORT_BIT( 0x00080, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F8) PORT_CHAR(UCHAR_MAMEKEY(F8))
+ PORT_BIT( 0x00100, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F9) PORT_CHAR(UCHAR_MAMEKEY(F9))
+ PORT_BIT( 0x00200, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F10) PORT_CHAR(UCHAR_MAMEKEY(F10))
+ PORT_BIT( 0x00400, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F11) PORT_CHAR(UCHAR_MAMEKEY(F11))
+ PORT_BIT( 0x00800, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F12) PORT_CHAR(UCHAR_MAMEKEY(F12))
+ PORT_BIT( 0x01000, IP_ACTIVE_HIGH, IPT_UNUSED )
+ PORT_BIT( 0x02000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SLASH_PAD) PORT_NAME("Auto LF")
+ PORT_BIT( 0x04000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_ASTERISK) PORT_NAME("Online")
+ PORT_BIT( 0x08000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_MINUS_PAD) PORT_NAME("Page Mode")
+ PORT_BIT( 0x10000, IP_ACTIVE_HIGH, IPT_UNUSED )
+
+ PORT_START("KBD_ROW1")
+ PORT_BIT( 0x00001, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!')
+ PORT_BIT( 0x00002, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('@')
+ PORT_BIT( 0x00004, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#')
+ PORT_BIT( 0x00008, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$')
+ PORT_BIT( 0x00010, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%')
+ PORT_BIT( 0x00020, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('^')
+ PORT_BIT( 0x00040, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('&')
+ PORT_BIT( 0x00080, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('*')
+ PORT_BIT( 0x00100, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR('(')
+ PORT_BIT( 0x00200, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR(')')
+ PORT_BIT( 0x00400, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_TILDE) PORT_CHAR('`') PORT_CHAR('~')
+ PORT_BIT( 0x00800, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('_')
+ PORT_BIT( 0x01000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_CHAR('+')
+ PORT_BIT( 0x02000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PAUSE) PORT_NAME("Break") PORT_CHAR(UCHAR_MAMEKEY(CANCEL))
+ PORT_BIT( 0x04000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_INSERT) PORT_NAME("Insert Character") PORT_CHAR(UCHAR_MAMEKEY(INSERT))
+ PORT_BIT( 0x08000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_DEL) PORT_NAME("Delete Character") PORT_CHAR(UCHAR_MAMEKEY(DEL))
+ PORT_BIT( 0x10000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PLUS_PAD) PORT_NAME("Set Tabs")
+
+ PORT_START("KBD_ROW2")
+ PORT_BIT( 0x00001, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_ESC) PORT_NAME("Escape") PORT_CHAR(UCHAR_MAMEKEY(ESC))
+ PORT_BIT( 0x00002, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q')
+ PORT_BIT( 0x00004, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W')
+ PORT_BIT( 0x00008, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E')
+ PORT_BIT( 0x00010, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R')
+ PORT_BIT( 0x00020, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T')
+ PORT_BIT( 0x00040, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y')
+ PORT_BIT( 0x00080, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U')
+ PORT_BIT( 0x00100, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I')
+ PORT_BIT( 0x00200, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O')
+ PORT_BIT( 0x00400, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P')
+ PORT_BIT( 0x00800, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') PORT_CHAR('|')
+ PORT_BIT( 0x01000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_END) PORT_NAME("Linefeed")
+ PORT_BIT( 0x02000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_ENTER) PORT_NAME("Return") PORT_CHAR(0x0dU)
+ PORT_BIT( 0x04000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_TAB) PORT_NAME("Forward Tab") PORT_CHAR('\t')
+ PORT_BIT( 0x08000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4_PAD) PORT_NAME("Back Tab")
+ PORT_BIT( 0x10000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_DEL_PAD) PORT_NAME("Line Delete")
+
+ PORT_START("KBD_ROW3")
+ PORT_BIT( 0x00001, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A')
+ PORT_BIT( 0x00002, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S')
+ PORT_BIT( 0x00004, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D')
+ PORT_BIT( 0x00008, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F')
+ PORT_BIT( 0x00010, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G')
+ PORT_BIT( 0x00020, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H')
+ PORT_BIT( 0x00040, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J')
+ PORT_BIT( 0x00080, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K')
+ PORT_BIT( 0x00100, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L')
+ PORT_BIT( 0x00200, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR(':')
+ PORT_BIT( 0x00400, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\'') PORT_CHAR('"')
+ PORT_BIT( 0x00800, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR('{')
+ PORT_BIT( 0x01000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}')
+ PORT_BIT( 0x02000, IP_ACTIVE_HIGH, IPT_UNUSED )
+ PORT_BIT( 0x04000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_UP) PORT_NAME("Cursor Up") PORT_CHAR(UCHAR_MAMEKEY(UP))
+ PORT_BIT( 0x08000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_DOWN) PORT_NAME("Cursor Down") PORT_CHAR(UCHAR_MAMEKEY(DOWN))
+ PORT_BIT( 0x10000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0_PAD) PORT_NAME("Line Insert")
+
+ PORT_START("KBD_ROW4")
+ PORT_BIT( 0x00001, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_HOME) PORT_NAME("Home / Clear")
+ PORT_BIT( 0x00002, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z')
+ PORT_BIT( 0x00004, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X')
+ PORT_BIT( 0x00008, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C')
+ PORT_BIT( 0x00010, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V')
+ PORT_BIT( 0x00020, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B')
+ PORT_BIT( 0x00040, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N')
+ PORT_BIT( 0x00080, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M')
+ PORT_BIT( 0x00100, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<')
+ PORT_BIT( 0x00200, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>')
+ PORT_BIT( 0x00400, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?')
+ PORT_BIT( 0x00800, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PGUP) PORT_NAME("Page Send / Line Send")
+ PORT_BIT( 0x01000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
+ PORT_BIT( 0x02000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_BACKSPACE) PORT_NAME("Backspace") PORT_CHAR(0x08U)
+ PORT_BIT( 0x04000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_LEFT) PORT_NAME("Cursor Left") PORT_CHAR(UCHAR_MAMEKEY(LEFT))
+ PORT_BIT( 0x08000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_RIGHT) PORT_NAME("Cursor Right") PORT_CHAR(UCHAR_MAMEKEY(RIGHT))
+ PORT_BIT( 0x10000, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PGDN) PORT_NAME("Page Erase / Line Erase")
+
+INPUT_PORTS_END
+
+
+// PA0 to PA6 - Keyboard data.
+u8 exorterm155_device::pia_kbd_pa_r()
+{
+ u8 ret = m_term_data;
+ m_term_data = 0;
+ return ret;
+}
+
+u8 exorterm155_device::pia_kbd_pb_r()
+{
+ // PB7 is a 'keyboard attached' signal, low when a keyboard is attached.
+ return 0x00;
+}
+
+void exorterm155_device::pia_kbd_pb_w(u8 data)
+{
+ m_online_led = BIT(data, 0) ? 0 : 1;
+ m_auto_lf_led = BIT(data, 1) ? 0 : 1;
+ m_page_mode_led = BIT(data, 2) ? 0 : 1;
+ m_insert_char_led = BIT(data, 5) ? 0 : 1;
+ // Bit 3 is AUX ON, and bit 4 is AUX EN, but it is not clear
+ // if the firmware uses these?
+}
+
+WRITE_LINE_MEMBER(exorterm155_device::pia_cfg_cb2_w)
+{
+ m_beeper->set_state(!state);
+}
+
+void exorterm155_device::pia_disp_pa_w(u8 data)
+{
+ m_cursor_addr = (m_cursor_addr & 0x700) | data;
+}
+
+u8 exorterm155_device::pia_disp_pb_r()
+{
+ u8 ret = 0;
+
+ if (m_dsr)
+ ret |= 0x20;
+
+ return ret;
+}
+
+void exorterm155_device::pia_disp_pb_w(u8 data)
+{
+ m_cursor_addr = (m_cursor_addr & 0x0ff) | ((data & 0x7) << 8);
+
+ m_inv_video = BIT(data, 3);
+ m_special_char_disp = BIT(data, 4);
+
+ m_rs232_conn_dtr_handler(BIT(data, 7));
+}
+
+READ_LINE_MEMBER(exorterm155_device::pia_disp_ca2_r)
+{
+ return m_ring;
+}
+
+//**************************************************************************
+// VIDEO EMULATION
+//**************************************************************************
+
+u32 exorterm155_device::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
+{
+ u16 sy = 0, ma = 0;
+ u8 disable_fac = m_disable_fac->read() == 0;
+ u8 display_fac = m_display_fac->read() == 0;
+ const rgb_t *palette = m_palette->palette()->entry_list_raw();
+
+ m_framecnt++;
+
+ for (u8 y = 0; y < 24; y++)
+ {
+ for (u8 ra = 0; ra < 12; ra++)
+ {
+ u32 *p = &bitmap.pix32(sy++);
+ // FAC codes are cleared on horizontal sync.
+ u8 underline1 = 0;
+ u8 underline2 = 0;
+ u8 non_display = 0;
+ u8 invert = 0;
+ u8 half_bright = 0;
+ u8 blink = 0;
+
+ for (u16 x = ma; x < ma + 80; x++)
+ {
+ u8 code = m_vram[x + 0x80];
+ u16 gfx = 0;
+
+ if (BIT(code, 7) && !disable_fac)
+ {
+ underline1 = BIT(code, 4);
+ non_display = BIT(code, 3);
+ invert = BIT(code, 2);
+ half_bright = BIT(code, 1);
+ blink = BIT(code, 0);
+ }
+
+ // Copying the circuit logic for loading from
+ // the character generator which occurs when:
+ //
+ // 1. Special character display is enabled or
+ // it is not a special character 0x00 to 0x1f.
+ //
+ // AND
+ //
+ // 2. Not 'non display'
+ //
+ // AND
+ //
+ // 3. Not 'blink' and blinked off.
+ //
+ // AND
+ //
+ // 4. Not FAC code or Display FAC enabled.
+ //
+ if ((m_special_char_disp || (code & 0xe0)) &&
+ !non_display &&
+ !(blink && (m_framecnt & 8)) &&
+ (!BIT(code, 7) || display_fac))
+ {
+ offs_t address = ((code & 0x7f) << 4) | (ra & 0x0f);
+ gfx = m_chargen[address];
+ }
+
+ if (underline1 && underline2 && ra == 10)
+ gfx |= 0x1ff;
+
+ u8 cursor_display = x + 0x80 == m_cursor_addr;
+ cursor_display = cursor_display && (m_framecnt & 4);
+
+ if (m_inv_video ^ invert ^ cursor_display)
+ gfx ^= 0x1ff; // invert
+
+ u32 font_color = palette[2 - half_bright];
+
+ /* Display a scanline of a character */
+ *p++ = (BIT(gfx, 7)) ? font_color : 0;
+ *p++ = (BIT(gfx, 6)) ? font_color : 0;
+ *p++ = (BIT(gfx, 5)) ? font_color : 0;
+ *p++ = (BIT(gfx, 4)) ? font_color : 0;
+ *p++ = (BIT(gfx, 3)) ? font_color : 0;
+ *p++ = (BIT(gfx, 2)) ? font_color : 0;
+ *p++ = (BIT(gfx, 1)) ? font_color : 0;
+ *p++ = (BIT(gfx, 0)) ? font_color : 0;
+ *p++ = (BIT(gfx, 8)) ? font_color : 0;
+
+ // The circuit has logic to delay underlining
+ // but not for the other attributes.
+ underline2 = underline1;
+ }
+ }
+ ma += 80;
+ }
+
+ return 0;
+}
+
+static const gfx_layout char_layout =
+{
+ 8,12,
+ RGN_FRAC(1,1),
+ 1,
+ { 0 },
+ { 0, 1, 2, 3, 4, 5, 6, 7 },
+ { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8, 8*8, 9*8, 10*8, 11*8 },
+ 8*16
+};
+
+static GFXDECODE_START(chars)
+ GFXDECODE_ENTRY("chargen", 0, char_layout, 0, 1)
+GFXDECODE_END
+
+//**************************************************************************
+// MACHINE EMULATION
+//**************************************************************************
+
+WRITE_LINE_MEMBER(exorterm155_device::sys_timer_w)
+{
+ // 3.4ms
+ m_pia_disp->cb1_w(state);
+
+ // Divide by 16, giving 27.5ms.
+ if (state == 1) m_sys_timer_count++;
+ m_pia_disp->ca1_w((m_sys_timer_count & 8) != 0);
+
+ // The terminal firmware does not initialize properly if a key
+ // interrupt is received too soon after reset, so a hold off period is
+ // implemented and measured in terms of these timer interrupts.
+ if (m_kbd_start_holdoff > 0)
+ {
+ if (m_kbd_start_holdoff == 1)
+ kbd_start_processing();
+ m_kbd_start_holdoff--;
+ }
+}
+
+WRITE_LINE_MEMBER(exorterm155_device::write_f1_clock)
+{
+ if (BIT(m_rs232_baud->read(), 0))
+ {
+ m_acia->write_txc(state);
+ m_acia->write_rxc(state);
+ }
+}
+
+WRITE_LINE_MEMBER(exorterm155_device::write_f3_clock)
+{
+ if (BIT(m_rs232_baud->read(), 1))
+ {
+ m_acia->write_txc(state);
+ m_acia->write_rxc(state);
+ }
+}
+
+WRITE_LINE_MEMBER(exorterm155_device::write_f5_clock)
+{
+ if (BIT(m_rs232_baud->read(), 2))
+ {
+ m_acia->write_txc(state);
+ m_acia->write_rxc(state);
+ }
+}
+
+WRITE_LINE_MEMBER(exorterm155_device::write_f6_clock)
+{
+ if (BIT(m_rs232_baud->read(), 3))
+ {
+ m_acia->write_txc(state);
+ m_acia->write_rxc(state);
+ }
+}
+
+WRITE_LINE_MEMBER(exorterm155_device::write_f7_clock)
+{
+ if (BIT(m_rs232_baud->read(), 4))
+ {
+ m_acia->write_txc(state);
+ m_acia->write_rxc(state);
+ }
+}
+
+WRITE_LINE_MEMBER(exorterm155_device::write_f8_clock)
+{
+ if (BIT(m_rs232_baud->read(), 5))
+ {
+ m_acia->write_txc(state);
+ m_acia->write_rxc(state);
+ }
+}
+
+WRITE_LINE_MEMBER(exorterm155_device::write_f9_clock)
+{
+ if (BIT(m_rs232_baud->read(), 6))
+ {
+ m_acia->write_txc(state);
+ m_acia->write_rxc(state);
+ }
+}
+
+WRITE_LINE_MEMBER(exorterm155_device::write_f11_clock)
+{
+ if (BIT(m_rs232_baud->read(), 7))
+ {
+ m_acia->write_txc(state);
+ m_acia->write_rxc(state);
+ }
+}
+
+WRITE_LINE_MEMBER(exorterm155_device::write_f13_clock)
+{
+ if (BIT(m_rs232_baud->read(), 8))
+ {
+ m_acia->write_txc(state);
+ m_acia->write_rxc(state);
+ }
+}
+
+WRITE_LINE_MEMBER(exorterm155_device::acia_txd_w)
+{
+ m_rs232_conn_txd_handler(state);
+}
+
+WRITE_LINE_MEMBER(exorterm155_device::acia_rts_w)
+{
+ m_rs232_conn_rts_handler(state);
+}
+
+WRITE_LINE_MEMBER(exorterm155_device::rs232_conn_dcd_w)
+{
+ m_acia->write_dcd(state);
+}
+
+WRITE_LINE_MEMBER(exorterm155_device::rs232_conn_dsr_w)
+{
+ // Input of Display PIA PB5, pulled high.
+ m_dsr = state;
+}
+
+WRITE_LINE_MEMBER(exorterm155_device::rs232_conn_ri_w)
+{
+ m_ring = state;
+}
+
+WRITE_LINE_MEMBER(exorterm155_device::rs232_conn_cts_w)
+{
+ m_acia->write_cts(state);
+}
+
+WRITE_LINE_MEMBER(exorterm155_device::rs232_conn_rxd_w)
+{
+ m_acia->write_rxd(state);
+}
+
+
+// Keyboard
+
+u8 const exorterm155_device::translation_table[][5][17] = {
+ { // Standard
+ { 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab, 0xff, 0xf7, 0xf8, 0xc7, 0xff },
+ { '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '`', '-', '=', 0x8c, 0xd0, 0xd1, 0xdc },
+ { 0x1b, 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '\\', 0x0a, 0x0d, 0xda, 0xdb, 0xd7 },
+ { 'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', '\'', '[', ']', 0xff, 0xc1, 0xc2, 0xd6 },
+ { 0xc0, 'z', 'x', 'c', 'v', 'b', 'n', 'm', ',', '.', '/', 0xd9, ' ', 0x08, 0xc3, 0xc4, 0xd4 }
+ },
+ { // Shift
+ { 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xbb, 0xff, 0xff, 0xff, 0xff, 0xff },
+ { '!', '@', '#', '$', '%', '^', '&', '*', '(', ')', '~', '_', '+', 0xff, 0xd6, 0xd7, 0xff },
+ { 0x1b , 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '|', 0x0a, 0x0d, 0xdb, 0xff, 0xff },
+ { 'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L', ':', '"', '{', '}', 0xff, 0xff, 0xff, 0xff },
+ { 0xd8, 'Z', 'X', 'C', 'V', 'B', 'N', 'M', '<', '>', '?', 0xdf, ' ', 0x08, 0xff, 0xff, 0xd5 }
+ },
+ { // Ctrl
+ { 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab, 0xff, 0xff, 0xff, 0xff, 0xff },
+ { '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', 0x00, 0x1f, 0x1e, 0xff, 0xff, 0xff, 0xff },
+ { 0x1b, 0x11, 0x17, 0x05, 0x12, 0x14, 0x19, 0x15, 0x09, 0x0f, 0x10, 0x1c, 0x0a, 0x0d, 0x09, 0xff, 0xff },
+ { 0x01, 0x13, 0x04, 0x06, 0x07, 0x08, 0x0a, 0x0b, 0x0c, ';', '\'', 0x1b, 0x1d, 0xff, 0xff, 0xff, 0xff },
+ { 0xff, 0x1a, 0x18, 0x03, 0x16, 0x02, 0x0e, 0x0d, ',', '.', 0x1f, 0xff, 0x00, 0x08, 0xff, 0xff, 0xff }
+ }
+};
+
+bool const exorterm155_device::caps_table[5][17] = {
+ { false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false },
+ { false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false },
+ { false, true, true, true, true, true, true, true, true, true, true, false, false, false, false, false, false },
+ { true, true, true, true, true, true, true, true, true, false, false, false, false, false, false, false, false },
+ { false, true, true, true, true, true, true, true, false, false, false, false, false, false, false, false, false }
+};
+
+void exorterm155_device::kbd_start_processing()
+{
+ attotime period = attotime::from_hz(2'400);
+ m_kbd_processing = 1;
+ m_kbd_scan_timer->adjust(period, 0, period);
+}
+
+void exorterm155_device::kbd_reset_state()
+{
+ std::fill(std::begin(m_kbd_states), std::end(m_kbd_states), ioport_value(0));
+ m_kbd_next_row = 0;
+}
+
+void exorterm155_device::kbd_repeat_start(uint8_t row, uint8_t column)
+{
+ attotime delay = attotime::from_msec(750);
+ attotime interval = attotime::from_msec(100);
+
+ m_kbd_repeat_row = row;
+ m_kbd_repeat_column = column;
+ m_kbd_repeat_timer->adjust(delay, 0, interval);
+}
+
+void exorterm155_device::kbd_repeat_restart()
+{
+ attotime delay = attotime::from_msec(750);
+ attotime interval = attotime::from_msec(100);
+
+ if ((m_kbd_repeat_row != 0xff) || (m_kbd_repeat_column != 0xff))
+ m_kbd_repeat_timer->adjust(delay, 0, interval);
+}
+
+void exorterm155_device::kbd_repeat_stop()
+{
+ m_kbd_repeat_row = 0xff;
+ m_kbd_repeat_column = 0xff;
+ m_kbd_repeat_timer->reset();
+}
+
+void exorterm155_device::kbd_send_translated(u8 code)
+{
+ unsigned row = (code >> 5) & 0x07;
+ unsigned col = (code >> 0) & 0x1f;
+
+ u16 modifiers = m_kbd_modifiers->read();
+ bool shift = BIT(modifiers, 1) != ((modifiers & 4) && caps_table[row][col]);
+ bool ctrl = BIT(modifiers, 0);
+
+ unsigned map = ctrl ? 2 : shift ? 1 : 0;
+ u8 result = translation_table[map][row][col];
+
+ if (result == 0xff)
+ return;
+
+ m_term_data = result;
+ // Triggers on the falling edge.
+ m_pia_kbd->ca1_w(ASSERT_LINE);
+ m_pia_kbd->ca1_w(CLEAR_LINE);
+ m_pia_kbd->ca1_w(ASSERT_LINE);
+}
+
+TIMER_CALLBACK_MEMBER(exorterm155_device::kbd_scan_row)
+{
+ u16 const modifiers(m_kbd_modifiers->read());
+ if (modifiers != m_kbd_last_modifiers)
+ kbd_repeat_restart();
+
+ m_kbd_last_modifiers = modifiers;
+
+ ioport_value &state(m_kbd_states[m_kbd_next_row]);
+ ioport_value const keys(m_kbd_rows[m_kbd_next_row]->read());
+ ioport_value const change(state ^ keys);
+
+ ioport_value mask(1U);
+ for (uint8_t column = 0U; m_kbd_processing && (state != keys); ++column, mask <<= 1)
+ {
+ if (change & mask)
+ {
+ state ^= mask;
+ if (keys & mask)
+ {
+ kbd_send_translated((m_kbd_next_row << 5) | column);
+ kbd_repeat_start(m_kbd_next_row, column);
+ }
+ else
+ {
+ if (m_kbd_repeat_row == m_kbd_next_row && m_kbd_repeat_column == column)
+ kbd_repeat_stop();
+ }
+ }
+ }
+
+ m_kbd_next_row = (m_kbd_next_row + 1) % 5;
+}
+
+TIMER_CALLBACK_MEMBER(exorterm155_device::kbd_repeat)
+{
+ assert((m_kbd_repeat_row != 0xff) || (m_kbd_repeat_column != 0xff));
+ kbd_send_translated((m_kbd_repeat_row << 5) | m_kbd_repeat_column);
+}
+
+
+
+
+void exorterm155_device::device_resolve_objects()
+{
+ m_rs232_conn_dtr_handler.resolve_safe();
+ m_rs232_conn_rts_handler.resolve_safe();
+ m_rs232_conn_txd_handler.resolve_safe();
+}
+
+void exorterm155_device::device_start()
+{
+ m_online_led.resolve();
+ m_auto_lf_led.resolve();
+ m_page_mode_led.resolve();
+ m_insert_char_led.resolve();
+
+ // register for save states
+ save_item(NAME(m_term_data));
+ save_item(NAME(m_framecnt));
+ save_item(NAME(m_cursor_addr));
+ save_item(NAME(m_inv_video));
+ save_item(NAME(m_special_char_disp));
+
+ save_item(NAME(m_sys_timer_count));
+ save_item(NAME(m_dsr));
+ save_item(NAME(m_ring));
+ save_item(NAME(m_kbd_start_holdoff));
+
+ // Keyboard
+
+ if (!m_kbd_scan_timer)
+ m_kbd_scan_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(exorterm155_device::kbd_scan_row), this));
+ if (!m_kbd_repeat_timer)
+ m_kbd_repeat_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(exorterm155_device::kbd_repeat), this));
+ kbd_reset_state();
+ kbd_repeat_stop();
+
+ save_item(NAME(m_kbd_states));
+ save_item(NAME(m_kbd_next_row));
+ save_item(NAME(m_kbd_processing));
+ save_item(NAME(m_kbd_repeat_row));
+ save_item(NAME(m_kbd_repeat_column));
+ save_item(NAME(m_kbd_last_modifiers));
+}
+
+void exorterm155_device::device_reset()
+{
+ m_brg->rsa_w(CLEAR_LINE);
+ m_brg->rsb_w(ASSERT_LINE);
+
+ m_online_led = 0;
+ m_auto_lf_led = 0;
+ m_page_mode_led = 0;
+ m_insert_char_led = 0;
+
+ m_framecnt = 0;
+ m_cursor_addr = 0;
+ m_inv_video = 0;
+ m_special_char_disp = 0;
+ m_sys_timer_count = 0;
+
+ m_dsr = 1;
+ m_ring = 0;
+
+ m_beeper->set_state(0);
+
+ // Keyboard
+ kbd_reset_state();
+ kbd_repeat_stop();
+ m_kbd_start_holdoff = 180;
+ m_kbd_last_modifiers = 0;
+}
+
+
+//**************************************************************************
+// ROM DEFINITIONS
+//**************************************************************************
+
+ROM_START( exorterm155 )
+ ROM_REGION(0x10000, "maincpu", 0)
+ ROM_LOAD("51aw1018b25.bin", 0xa000, 0x0800, CRC(5f9352ba) SHA1(9fb52992bd3f3409fa8ec1002e2ebdf61318d260))
+ ROM_LOAD("51aw1018b22.bin", 0xc000, 0x0800, CRC(b6bb9df0) SHA1(5c0bda69d94fd58c21f07c810525043cd22a9d7d))
+ ROM_LOAD("51aw1018b27.bin", 0xc800, 0x0800, CRC(15f77b53) SHA1(1f73098ebf83d7255efcf2b509d12e559001ca5b))
+ ROM_LOAD("51aw1018b26.bin", 0xd000, 0x0800, CRC(f5b204bc) SHA1(9815fd7d7ba617ebb3f55e595e4931d75942b6a9))
+ ROM_LOAD("51aw1018b24.bin", 0xd800, 0x0800, CRC(18a0ed66) SHA1(5fa6e4b3c27969c1d7e27c79fc2993e4cc9262cf))
+
+ ROM_REGION(0x0800, "chargen", 0)
+ ROM_LOAD("chargen.rom", 0x0000, 0x0800, CRC(0087cbad) SHA1(a6d3dd0512db4c459944c60d728536755a570964))
+
+ROM_END
+
+//**************************************************************************
+// MACHINE DEFINTIONS
+//**************************************************************************
+
+void exorterm155_device::device_add_mconfig(machine_config &config)
+{
+ M6800(config, m_maincpu, 16.6698_MHz_XTAL / 18);
+ m_maincpu->set_addrmap(AS_PROGRAM, &exorterm155_device::mem_map);
+
+ INPUT_MERGER_ANY_HIGH(config, m_irqs).output_handler().set_inputline(m_maincpu, M6800_IRQ_LINE);
+
+ SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
+ m_screen->set_refresh_hz(50);
+ m_screen->set_size(80*9, 24*12);
+ m_screen->set_visarea(0, 80*9-1, 0, 24*12-1);
+ m_screen->set_screen_update(FUNC(exorterm155_device::screen_update));
+
+ PALETTE(config, m_palette, palette_device::MONOCHROME_HIGHLIGHT);
+
+ GFXDECODE(config, "gfxdecode", m_palette, chars);
+
+ config.set_default_layout(layout_exorterm155);
+
+ ACIA6850(config, m_acia, 0);
+ m_acia->txd_handler().set(FUNC(exorterm155_device::acia_txd_w));
+ m_acia->rts_handler().set(FUNC(exorterm155_device::acia_rts_w));
+ m_acia->irq_handler().set(m_irqs, FUNC(input_merger_device::in_w<0>));
+
+ MC14411(config, m_brg, XTAL(1'843'200));
+ m_brg->out_f<1>().set(FUNC(exorterm155_device::write_f1_clock));
+ m_brg->out_f<3>().set(FUNC(exorterm155_device::write_f3_clock));
+ m_brg->out_f<5>().set(FUNC(exorterm155_device::write_f5_clock));
+ m_brg->out_f<6>().set(FUNC(exorterm155_device::write_f6_clock));
+ m_brg->out_f<7>().set(FUNC(exorterm155_device::write_f7_clock));
+ m_brg->out_f<8>().set(FUNC(exorterm155_device::write_f8_clock));
+ m_brg->out_f<9>().set(FUNC(exorterm155_device::write_f9_clock));
+ m_brg->out_f<11>().set(FUNC(exorterm155_device::write_f11_clock));
+ m_brg->out_f<13>().set(FUNC(exorterm155_device::write_f13_clock));
+
+ PIA6821(config, m_pia_kbd);
+ m_pia_kbd->readpa_handler().set(FUNC(exorterm155_device::pia_kbd_pa_r));
+ m_pia_kbd->readpb_handler().set(FUNC(exorterm155_device::pia_kbd_pb_r));
+ m_pia_kbd->writepb_handler().set(FUNC(exorterm155_device::pia_kbd_pb_w));
+ m_pia_kbd->irqa_handler().set(m_irqs, FUNC(input_merger_device::in_w<1>));
+ m_pia_kbd->irqb_handler().set(m_irqs, FUNC(input_merger_device::in_w<2>));
+
+ PIA6821(config, m_pia_cfg);
+ m_pia_cfg->readpa_handler().set_ioport("DIP_SWITCHES_A");
+ m_pia_cfg->readpb_handler().set_ioport("DIP_SWITCHES_B");
+ m_pia_cfg->cb2_handler().set(FUNC(exorterm155_device::pia_cfg_cb2_w));
+ m_pia_cfg->irqa_handler().set(m_irqs, FUNC(input_merger_device::in_w<3>));
+ m_pia_cfg->irqb_handler().set(m_irqs, FUNC(input_merger_device::in_w<4>));
+
+ PIA6821(config, m_pia_disp);
+ m_pia_disp->writepa_handler().set(FUNC(exorterm155_device::pia_disp_pa_w));
+ m_pia_disp->readpb_handler().set(FUNC(exorterm155_device::pia_disp_pb_r));
+ m_pia_disp->writepb_handler().set(FUNC(exorterm155_device::pia_disp_pb_w));
+ m_pia_disp->readca2_handler().set(FUNC(exorterm155_device::pia_disp_ca2_r));
+ m_pia_disp->irqa_handler().set(m_irqs, FUNC(input_merger_device::in_w<5>));
+ m_pia_disp->irqb_handler().set(m_irqs, FUNC(input_merger_device::in_w<6>));
+
+ // Derived from the horizontal blanking, 3.4ms.
+ CLOCK(config, m_sys_timer_clock, 4706 / 16);
+ m_sys_timer_clock->signal_handler().set(FUNC(exorterm155_device::sys_timer_w));
+
+ SPEAKER(config, "bell").front_center();
+ BEEP(config, m_beeper, 2000);
+ m_beeper->add_route(ALL_OUTPUTS, "bell", 0.25);
+}
+
+ioport_constructor exorterm155_device::device_input_ports() const
+{
+ return INPUT_PORTS_NAME(exorterm155);
+}
+
+const tiny_rom_entry *exorterm155_device::device_rom_region() const
+{
+ return ROM_NAME(exorterm155);
+}
+
+DEFINE_DEVICE_TYPE(EXORTERM155, exorterm155_device, "exorterm155_device", "EXORTERM155")
diff --git a/src/devices/machine/exorterm.h b/src/devices/machine/exorterm.h
new file mode 100644
index 00000000000..ee41cab4422
--- /dev/null
+++ b/src/devices/machine/exorterm.h
@@ -0,0 +1,154 @@
+// license:BSD-3-Clause
+// copyright-holders: 68bit
+/****************************************************************************
+
+Motorola EXORterm 155 (M68SDS)
+
+****************************************************************************/
+
+#ifndef MAME_MACHINE_EXORTERM_H
+#define MAME_MACHINE_EXORTERM_H
+
+#pragma once
+
+#include "cpu/m6800/m6800.h"
+#include "machine/clock.h"
+#include "machine/input_merger.h"
+#include "machine/mc14411.h"
+#include "machine/6850acia.h"
+#include "machine/6821pia.h"
+#include "sound/spkrdev.h"
+#include "bus/rs232/rs232.h"
+#include "emupal.h"
+#include "screen.h"
+
+#include "machine/terminal.h"
+
+
+INPUT_PORTS_EXTERN(exorterm155);
+
+class exorterm155_device : public device_t
+{
+public:
+ exorterm155_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
+
+ // Interface to a RS232 connection.
+ auto rs232_conn_txd_handler() { return m_rs232_conn_txd_handler.bind(); }
+ auto rs232_conn_dtr_handler() { return m_rs232_conn_dtr_handler.bind(); }
+ auto rs232_conn_rts_handler() { return m_rs232_conn_rts_handler.bind(); }
+ DECLARE_WRITE_LINE_MEMBER(rs232_conn_dcd_w);
+ DECLARE_WRITE_LINE_MEMBER(rs232_conn_dsr_w);
+ DECLARE_WRITE_LINE_MEMBER(rs232_conn_ri_w);
+ DECLARE_WRITE_LINE_MEMBER(rs232_conn_cts_w);
+ DECLARE_WRITE_LINE_MEMBER(rs232_conn_rxd_w);
+
+protected:
+ exorterm155_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock);
+
+ virtual void device_resolve_objects() override;
+ virtual void device_start() override;
+ virtual void device_reset() 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:
+ required_device<m6800_cpu_device> m_maincpu;
+ required_device<input_merger_device> m_irqs;
+ required_device<acia6850_device> m_acia;
+ required_device<mc14411_device> m_brg;
+ required_ioport m_rs232_baud;
+ required_ioport m_disable_fac;
+ required_ioport m_display_fac;
+ required_device<pia6821_device> m_pia_kbd;
+ required_device<pia6821_device> m_pia_cfg;
+ required_device<pia6821_device> m_pia_disp;
+ required_device<screen_device> m_screen;
+ required_device<palette_device> m_palette;
+ required_device<clock_device> m_sys_timer_clock;
+ required_shared_ptr<u8> m_vram;
+ required_region_ptr<u8> m_chargen;
+ required_device<beep_device> m_beeper;
+ output_finder<> m_online_led;
+ output_finder<> m_auto_lf_led;
+ output_finder<> m_page_mode_led;
+ output_finder<> m_insert_char_led;
+
+ void mem_map(address_map &map);
+
+ DECLARE_WRITE_LINE_MEMBER(acia_txd_w);
+ DECLARE_WRITE_LINE_MEMBER(acia_rts_w);
+
+ // Clocks
+ DECLARE_WRITE_LINE_MEMBER(write_f1_clock);
+ DECLARE_WRITE_LINE_MEMBER(write_f3_clock);
+ DECLARE_WRITE_LINE_MEMBER(write_f5_clock);
+ DECLARE_WRITE_LINE_MEMBER(write_f6_clock);
+ DECLARE_WRITE_LINE_MEMBER(write_f7_clock);
+ DECLARE_WRITE_LINE_MEMBER(write_f8_clock);
+ DECLARE_WRITE_LINE_MEMBER(write_f9_clock);
+ DECLARE_WRITE_LINE_MEMBER(write_f11_clock);
+ DECLARE_WRITE_LINE_MEMBER(write_f13_clock);
+
+ u8 m_dsr;
+ u8 m_ring;
+
+ devcb_write_line m_rs232_conn_txd_handler;
+ devcb_write_line m_rs232_conn_dtr_handler;
+ devcb_write_line m_rs232_conn_rts_handler;
+
+ u32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
+ u8 m_framecnt;
+ u16 m_cursor_addr;
+ u8 m_inv_video;
+ u8 m_special_char_disp;
+
+ DECLARE_WRITE_LINE_MEMBER(sys_timer_w);
+ u8 m_sys_timer_count;
+
+ DECLARE_WRITE_LINE_MEMBER(pia_cfg_cb2_w);
+
+ u8 pia_kbd_pa_r();
+ u8 pia_kbd_pb_r();
+ void pia_kbd_pb_w(u8 data);
+ u8 m_term_data;
+
+ u8 pia_disp_pb_r();
+ void pia_disp_pa_w(u8 data);
+ void pia_disp_pb_w(u8 data);
+ DECLARE_READ_LINE_MEMBER(pia_disp_ca2_r);
+
+ u8 m_kbd_start_holdoff;
+
+ // Keyboard
+
+ static u8 const translation_table[][5][17];
+ static bool const caps_table[5][17];
+ void kbd_start_processing();
+ void kbd_reset_state();
+ void kbd_repeat_start(u8 row, u8 column);
+ void kbd_repeat_restart();
+ void kbd_repeat_stop();
+ void kbd_repeat();
+ void kbd_send_translated(u8 code);
+
+ TIMER_CALLBACK_MEMBER(kbd_scan_row);
+ TIMER_CALLBACK_MEMBER(kbd_repeat);
+
+ emu_timer *m_kbd_scan_timer;
+ emu_timer *m_kbd_repeat_timer;
+ required_ioport m_kbd_modifiers;
+ required_ioport_array<5> m_kbd_rows;
+ ioport_value m_kbd_states[5];
+ u8 m_kbd_next_row;
+ u8 m_kbd_processing;
+ u8 m_kbd_repeat_row;
+ u8 m_kbd_repeat_column;
+ u16 m_kbd_last_modifiers;
+
+};
+
+DECLARE_DEVICE_TYPE(EXORTERM155, exorterm155_device)
+
+#endif // MAME_MACHINE_EXORTERM_H
diff --git a/src/emu/layout/exorterm155.lay b/src/emu/layout/exorterm155.lay
new file mode 100644
index 00000000000..7168f6b4fb9
--- /dev/null
+++ b/src/emu/layout/exorterm155.lay
@@ -0,0 +1,80 @@
+<?xml version="1.0"?>
+<!--
+license:CC0
+
+LEDs for the Motorola EXORterm 155
+-->
+
+<mamelayout version="2">
+
+ <element name="red_led">
+ <disk>
+ <color red="1.0" green="0.0" blue="0.0" />
+ </disk>
+ </element>
+
+ <element name="ON_LINE">
+ <text string="ON LINE">
+ <color red="1.0" green="1.0" blue="1.0" />
+ </text>
+ </element>
+ <element name="AUTO_LF">
+ <text string="AUTO LF">
+ <color red="1.0" green="1.0" blue="1.0" />
+ </text>
+ </element>
+ <element name="PAGE_MODE">
+ <text string="PAGE MODE">
+ <color red="1.0" green="1.0" blue="1.0" />
+ </text>
+ </element>
+ <element name="INS_CHAR">
+ <text string="INS CHAR">
+ <color red="1.0" green="1.0" blue="1.0" />
+ </text>
+ </element>
+ <element name="background">
+ <rect>
+ <bounds left="0" top="0" right="1" bottom="1" />
+ <color red="0.0" green="0.0" blue="0.0" />
+ </rect>
+ </element>
+
+ <view name="Keyboard LEDs">
+ <bezel name="auto_lf_txt" element="AUTO_LF">
+ <bounds left="0" right="70" top="296" bottom="304" />
+ </bezel>
+ <bezel name="auto_lf_led" element="red_led">
+ <bounds left="31" right="39" top="308" bottom="316" />
+ </bezel>
+
+ <bezel name="online_txt" element="ON_LINE">
+ <bounds left="70" right="140" top="296" bottom="304" />
+ </bezel>
+ <bezel name="online_led" element="red_led">
+ <bounds left="101" right="109" top="308" bottom="316" />
+ </bezel>
+
+ <bezel name="page_mode_txt" element="PAGE_MODE">
+ <bounds left="140" right="210" top="296" bottom="304" />
+ </bezel>
+ <bezel name="page_mode_led" element="red_led">
+ <bounds left="171" right="179" top="308" bottom="316" />
+ </bezel>
+
+ <bezel name="insert_char_txt" element="INS_CHAR">
+ <bounds left="281" right="351" top="296" bottom="304" />
+ </bezel>
+ <bezel name="insert_char_led" element="red_led">
+ <bounds left="312" right="320" top="308" bottom="316" />
+ </bezel>
+
+ <bezel element="background">
+ <bounds left="0" top="316" right="720" bottom="320" />
+ </bezel>
+ <screen index="0">
+ <bounds x="0" y="0" width="720" height="288" />
+ </screen>
+ </view>
+
+</mamelayout>
diff --git a/src/mame/drivers/exorterm.cpp b/src/mame/drivers/exorterm.cpp
new file mode 100644
index 00000000000..6762bb90afe
--- /dev/null
+++ b/src/mame/drivers/exorterm.cpp
@@ -0,0 +1,58 @@
+// license:BSD-3-Clause
+// copyright-holders: 68bit
+/****************************************************************************
+
+ Stand alone front end for the Motorola EXORterm 155 (M68SDS)
+
+****************************************************************************/
+
+#include "emu.h"
+#include "machine/exorterm.h"
+#include "bus/rs232/rs232.h"
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+class exorterm155_state : public driver_device
+{
+public:
+ exorterm155_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag)
+ , m_exorterm155(*this, "exorterm155")
+ , m_host(*this, "host")
+ { }
+
+ void exorterm155(machine_config &config);
+
+private:
+ required_device<exorterm155_device> m_exorterm155;
+ required_device<rs232_port_device> m_host;
+};
+
+void exorterm155_state::exorterm155(machine_config &config)
+{
+ EXORTERM155(config, m_exorterm155, 0);
+
+ RS232_PORT(config, m_host, default_rs232_devices, nullptr);
+ m_host->dcd_handler().set(m_exorterm155, FUNC(exorterm155_device::rs232_conn_dcd_w));
+ m_host->dsr_handler().set(m_exorterm155, FUNC(exorterm155_device::rs232_conn_dsr_w));
+ m_host->ri_handler().set(m_exorterm155, FUNC(exorterm155_device::rs232_conn_ri_w));
+ m_host->cts_handler().set(m_exorterm155, FUNC(exorterm155_device::rs232_conn_cts_w));
+ m_host->rxd_handler().set(m_exorterm155, FUNC(exorterm155_device::rs232_conn_rxd_w));
+
+ m_exorterm155->rs232_conn_txd_handler().set(m_host, FUNC(rs232_port_device::write_txd));
+ m_exorterm155->rs232_conn_dtr_handler().set(m_host, FUNC(rs232_port_device::write_dtr));
+ m_exorterm155->rs232_conn_rts_handler().set(m_host, FUNC(rs232_port_device::write_rts));
+}
+
+
+ROM_START(exorterm155)
+ROM_END
+
+//**************************************************************************
+// SYSTEM DRIVERS
+//**************************************************************************
+
+// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
+COMP( 1979, exorterm155, 0, 0, exorterm155, 0, exorterm155_state, empty_init, "Motorola", "EXORterm 155", MACHINE_SUPPORTS_SAVE )
diff --git a/src/mame/mame.lst b/src/mame/mame.lst
index 1e3b55ca0be..7c3a65cede5 100644
--- a/src/mame/mame.lst
+++ b/src/mame/mame.lst
@@ -13314,6 +13314,9 @@ deathrac // (c) 1976 Exidy
destdrby // (c) 1976 Exidy
rhunting // bootleg of deathrac
+@source:exorterm.cpp
+exorterm155 // (c) 1979 Motorola
+
@source:exp85.cpp
exp85 //
diff --git a/src/mame/mess.flt b/src/mame/mess.flt
index 821682f4701..9f0687632ee 100644
--- a/src/mame/mess.flt
+++ b/src/mame/mess.flt
@@ -277,6 +277,7 @@ eva.cpp
evmbug.cpp
excali64.cpp
exelv.cpp
+exorterm.cpp
exp85.cpp
facit4440.cpp
falco5220.cpp