rs232.cpp: Add option for Heath H19 terminal

scripts/src/bus.lua

@@ -3451,6 +3451,8 @@ if (BUSES["RS232"]~=null) then
 	files {
 		MAME_DIR .. "src/devices/bus/rs232/exorterm.cpp",
 		MAME_DIR .. "src/devices/bus/rs232/exorterm.h",
+		MAME_DIR .. "src/devices/bus/rs232/heath_h19.cpp",
+		MAME_DIR .. "src/devices/bus/rs232/heath_h19.h",
 		MAME_DIR .. "src/devices/bus/rs232/hlemouse.cpp",
 		MAME_DIR .. "src/devices/bus/rs232/hlemouse.h",
 		MAME_DIR .. "src/devices/bus/rs232/ie15.cpp",

src/devices/bus/heathzenith/h8/h_8_5.cpp

@@ -176,14 +176,15 @@ void h_8_5_device::map_io(address_space_installer & space)
 // The usual baud rate is 600. The H8 supported baud rates from 110 to
 // 9600. You can change the baud rate if it is changed here and in the
 // other places that specify 600 baud.
-static DEVICE_INPUT_DEFAULTS_START(terminal)
+static DEVICE_INPUT_DEFAULTS_START(h19)
 	DEVICE_INPUT_DEFAULTS("RS232_RXBAUD",   0xff, RS232_BAUD_600)
 	DEVICE_INPUT_DEFAULTS("RS232_TXBAUD",   0xff, RS232_BAUD_600)
 	DEVICE_INPUT_DEFAULTS("RS232_DATABITS", 0xff, RS232_DATABITS_8)
 	DEVICE_INPUT_DEFAULTS("RS232_PARITY",   0xff, RS232_PARITY_NONE)
 	DEVICE_INPUT_DEFAULTS("RS232_STOPBITS", 0xff, RS232_STOPBITS_1)
 DEVICE_INPUT_DEFAULTS_END
 
+
 void h_8_5_device::device_add_mconfig(machine_config &config)
 {
 	I8251(config, m_uart, 0);
@@ -208,11 +209,11 @@ void h_8_5_device::device_add_mconfig(machine_config &config)
 	console_clock.signal_handler().set(m_console, FUNC(i8251_device::write_txc));
 	console_clock.signal_handler().append(m_console, FUNC(i8251_device::write_rxc));
 
-	rs232_port_device &rs232(RS232_PORT(config, "rs232", default_rs232_devices, "terminal"));
+	rs232_port_device &rs232(RS232_PORT(config, "rs232", default_rs232_devices, "h19"));
 	rs232.rxd_handler().set(m_console, FUNC(i8251_device::write_rxd));
 	rs232.cts_handler().set(m_console, FUNC(i8251_device::write_cts));
 	rs232.dsr_handler().set(m_console, FUNC(i8251_device::write_dsr));
-	rs232.set_option_device_input_defaults("terminal", DEVICE_INPUT_DEFAULTS_NAME(terminal));
+	rs232.set_option_device_input_defaults("h19", DEVICE_INPUT_DEFAULTS_NAME(h19));
 
 	SPEAKER(config, "mono").front_right();
 

src/devices/bus/rs232/heath_h19.cpp

@@ -0,0 +1,64 @@
+// license:BSD-3-Clause
+// copyright-holders:Mark Garlanger
+/******************************************************************************
+
+    Heath H19 Terminal(Serial interface)
+
+******************************************************************************/
+
+#include "emu.h"
+#include "heath_h19.h"
+
+#include "bus/heathzenith/h19/tlb.h"
+
+
+namespace {
+
+class serial_heath_h19_device : public device_t, public device_rs232_port_interface
+{
+public:
+	serial_heath_h19_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
+		: device_t(mconfig, SERIAL_TERMINAL_H19, tag, owner, clock)
+		, device_rs232_port_interface(mconfig, *this)
+		, m_tlbc(*this, "tlbc")
+	{
+	}
+
+	virtual void input_txd(int state) override { m_tlbc->serial_in_w(state); }
+	virtual void input_rts(int state) override { m_tlbc->cts_in_w(state); }
+	virtual void input_dtr(int state) override { m_tlbc->dsr_in_w(state); }
+
+protected:
+
+	virtual void device_start() override ATTR_COLD { }
+	virtual void device_add_mconfig(machine_config &config) override ATTR_COLD;
+
+private:
+	required_device<heath_tlb_connector> m_tlbc;
+
+	static void tlb_options(device_slot_interface &device);
+};
+
+void serial_heath_h19_device::tlb_options(device_slot_interface &device)
+{
+	device.option_add("heath",      HEATH_TLB);
+	device.option_add("gp19",       HEATH_GP19);
+	device.option_add("imaginator", HEATH_IMAGINATOR);
+	device.option_add("super19",    HEATH_SUPER19);
+	device.option_add("superset",   HEATH_SUPERSET);
+	device.option_add("ultrarom",   HEATH_ULTRA);
+	device.option_add("watzman",    HEATH_WATZ);
+}
+
+void serial_heath_h19_device::device_add_mconfig(machine_config &config)
+{
+	HEATH_TLB_CONNECTOR(config, m_tlbc, tlb_options, "heath");
+	m_tlbc->serial_data_callback().set(FUNC(serial_heath_h19_device::output_rxd));
+	m_tlbc->rts_callback().set(FUNC(serial_heath_h19_device::output_cts));
+	m_tlbc->dtr_callback().set(FUNC(serial_heath_h19_device::input_dtr));
+}
+
+} // anonymous namespace
+
+
+DEFINE_DEVICE_TYPE_PRIVATE(SERIAL_TERMINAL_H19, device_rs232_port_interface, serial_heath_h19_device, "serial_heath_h19", "Heath H19 Terminal (Serial Port)")

src/devices/bus/rs232/heath_h19.h

@@ -0,0 +1,13 @@
+// license:BSD-3-Clause
+// copyright-holders:Mark Garlanger
+
+#ifndef MAME_BUS_RS232_HEATH_H19_H
+#define MAME_BUS_RS232_HEATH_H19_H
+
+#pragma once
+
+#include "rs232.h"
+
+DECLARE_DEVICE_TYPE(SERIAL_TERMINAL_H19, device_rs232_port_interface)
+
+#endif // MAME_BUS_RS232_HEATH_H19_H

src/devices/bus/rs232/rs232.cpp

@@ -155,6 +155,7 @@ device_rs232_port_interface::~device_rs232_port_interface()
 
 
 #include "ie15.h"
+#include "heath_h19.h"
 #include "hlemouse.h"
 #include "keyboard.h"
 #include "loopback.h"
@@ -177,6 +178,7 @@ template class device_finder<device_rs232_port_interface, true>;
 void default_rs232_devices(device_slot_interface &device)
 {
 	device.option_add("dec_loopback",  DEC_RS232_LOOPBACK);
+	device.option_add("h19",           SERIAL_TERMINAL_H19);
 	device.option_add("ie15",          SERIAL_TERMINAL_IE15);
 	device.option_add("keyboard",      SERIAL_KEYBOARD);
 	device.option_add("loopback",      RS232_LOOPBACK);