ergo201: More driver work, preparing for keyboard emulation (nw)

scripts/target/mame/mess.lua

@@ -1223,6 +1223,7 @@ function linkProjects_mame_mess(_target, _subtarget)
 		"mgu",
 		"microkey",
 		"microsoft",
+		"microterm",
 		"mips",
 		"mit",
 		"mits",
@@ -2803,6 +2804,13 @@ files {
 	MAME_DIR .. "src/mame/includes/xbox_pci.h",
 }
 
+createMESSProjects(_target, _subtarget, "microterm")
+files {
+	MAME_DIR .. "src/mame/drivers/ergo201.cpp",
+	MAME_DIR .. "src/mame/drivers/microterm.cpp",
+	MAME_DIR .. "src/mame/drivers/microterm_f8.cpp",
+}
+
 createMESSProjects(_target, _subtarget, "mips")
 files {
 	MAME_DIR .. "src/mame/drivers/mips.cpp",
@@ -4281,7 +4289,6 @@ files {
 	MAME_DIR .. "src/mame/drivers/elwro800.cpp",
 	MAME_DIR .. "src/mame/drivers/emate.cpp",
 	MAME_DIR .. "src/mame/drivers/epic14e.cpp",
-	MAME_DIR .. "src/mame/drivers/ergo201.cpp",
 	MAME_DIR .. "src/mame/drivers/esprit.cpp",
 	MAME_DIR .. "src/mame/drivers/eti660.cpp",
 	MAME_DIR .. "src/mame/includes/eti660.h",
@@ -4345,8 +4352,6 @@ files {
 	MAME_DIR .. "src/mame/drivers/micromon.cpp",
 	MAME_DIR .. "src/mame/drivers/micronic.cpp",
 	MAME_DIR .. "src/mame/includes/micronic.h",
-	MAME_DIR .. "src/mame/drivers/microterm.cpp",
-	MAME_DIR .. "src/mame/drivers/microterm_f8.cpp",
 	MAME_DIR .. "src/mame/drivers/mightyframe.cpp",
 	MAME_DIR .. "src/mame/drivers/milwaukee.cpp",
 	MAME_DIR .. "src/mame/drivers/mini2440.cpp",

src/mame/drivers/ergo201.cpp

@@ -14,9 +14,10 @@
     keyboards like Micro-Term's older ACT and MIME terminals. They were
     respectively succeeded by the ERGO 2000 and ERGO 3001 with tiltable
     screens and similar but detached keyboards. The ERGO 201 and ERGO 301
-    appear to be newer versions of these two with keyboards redesigned yet
+    appear to be low-cost redesigns of these two with keyboards even more
-    again to more closely resemble the VT100. There was also the ERGO 4000,
+    closely resembling the VT100's, with a Plot 10 graphics board as an
-    a portrait-mode terminal displaying 66 lines of 80 characters.
+    option. Also introduced around this time was the ERGO 4000, a
+    portrait-mode terminal displaying 66 lines of 80 characters.
 
 ****************************************************************************/
 
@@ -24,7 +25,9 @@
 //#include "bus/rs232/rs232.h"
 #include "cpu/z80/z80.h"
 #include "machine/ay31015.h"
+#include "machine/clock.h"
 #include "machine/er1400.h"
+//#include "machine/ergo201_kbd.h"
 #include "machine/z80ctc.h"
 #include "machine/z80sio.h"
 #include "video/tms9927.h"
@@ -37,6 +40,7 @@ public:
 		: driver_device(mconfig, type, tag)
 		, m_maincpu(*this, "maincpu")
 		, m_earom(*this, "earom")
+		, m_kbuart(*this, "kbuart")
 		, m_vtac(*this, "vtac")
 		, m_chargen(*this, "chargen")
 	{
@@ -44,6 +48,9 @@ public:
 
 	void ergo201(machine_config &config);
 
+protected:
+	virtual void machine_start() override;
+
 private:
 	u32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
 
@@ -55,10 +62,20 @@ private:
 
 	required_device<z80_device> m_maincpu;
 	required_device<er1400_device> m_earom;
+	required_device<ay31015_device> m_kbuart;
 	required_device<tms9927_device> m_vtac;
 	required_region_ptr<u8> m_chargen;
 };
 
+void ergo201_state::machine_start()
+{
+	m_kbuart->write_tsb(0);
+	m_kbuart->write_nb1(1);
+	m_kbuart->write_nb2(1);
+	m_kbuart->write_np(1);
+	m_kbuart->write_cs(1);
+	m_kbuart->write_swe(0);
+}
 
 u32 ergo201_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
 {
@@ -77,14 +94,18 @@ void ergo201_state::earom_latch_w(u8 data)
 
 u8 ergo201_state::status_r()
 {
-	return m_earom->data_r() << 5;
+	return (m_kbuart->dav_r() << 1) | (m_earom->data_r() << 5);
 }
 
 void ergo201_state::mem_map(address_map &map)
 {
 	map(0x0000, 0x5fff).rom().region("program", 0);
+	map(0x1000, 0x1000).nopw();
+	map(0x2000, 0x2000).unmapw(); // screen brightness?
 	map(0x3000, 0x300f).w(m_vtac, FUNC(tms9927_device::write));
 	map(0x4000, 0x4000).w(FUNC(ergo201_state::earom_latch_w));
+	map(0x5000, 0x5000).w(m_kbuart, FUNC(ay31015_device::transmit));
+	map(0x6000, 0x6000).r(m_kbuart, FUNC(ay31015_device::receive));
 	map(0x6001, 0x6001).r(FUNC(ergo201_state::status_r));
 	map(0x7000, 0x77ff).ram();
 	map(0x8000, 0x87ff).ram();
@@ -117,21 +138,31 @@ void ergo201_state::ergo201(machine_config &config)
 	m_maincpu->set_daisy_config(daisy_chain);
 
 	z80ctc_device &ctc(Z80CTC(config, "ctc", 16.313_MHz_XTAL / 4)); // SGS Z8430AB1
+	ctc.set_clk<0>(16.313_MHz_XTAL / 53);
+	ctc.set_clk<1>(16.313_MHz_XTAL / 53);
+	ctc.set_clk<2>(16.313_MHz_XTAL / 53);
 	ctc.zc_callback<0>().set("dart", FUNC(z80dart_device::rxca_w));
 	ctc.zc_callback<1>().set("dart", FUNC(z80dart_device::txca_w));
 	ctc.zc_callback<2>().set("dart", FUNC(z80dart_device::rxtxcb_w));
 	ctc.intr_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0);
 
 	z80dart_device &dart(Z80DART(config, "dart", 16.313_MHz_XTAL / 4)); // Zilog Z8470A PS
+	dart.out_txda_callback().set("dart", FUNC(z80dart_device::rxa_w));
 	dart.out_int_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0);
 
-	AY31015(config, "uart"); // GI AY-3-1015D
+	AY31015(config, m_kbuart); // GI AY-3-1015D
+	m_kbuart->set_auto_rdav(true);
+
+	clock_device &kbclock(CLOCK(config, "kbclock", 10000));
+	kbclock.signal_handler().set(m_kbuart, FUNC(ay31015_device::write_rcp));
+	kbclock.signal_handler().append(m_kbuart, FUNC(ay31015_device::write_tcp));
 
 	ER1400(config, m_earom); // GI ER-1400
 
 	screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
 	screen.set_raw(16.313_MHz_XTAL, 855, 0, 720, 318, 0, 300);
 	screen.set_screen_update(FUNC(ergo201_state::screen_update));
+	screen.set_color(rgb_t::green()); // P31
 
 	CRT5037(config, m_vtac, 16.313_MHz_XTAL / 9); // TI TMS9937NL
 	m_vtac->set_char_width(9);
@@ -140,8 +171,8 @@ void ergo201_state::ergo201(machine_config &config)
 
 
 ROM_START(ergo201)
-	ROM_REGION(0x6000, "program", 0)
+	ROM_REGION(0x6000, "program", 0) // Checksum is off by a few bits, so at least one dump is bad
-	ROM_LOAD("201.u18", 0x0000, 0x2000, CRC(fec9fa3c) SHA1(3c1f9de9f62e74fbd1c9b67736d0959c0f6b46b1)) // M5L2764K
+	ROM_LOAD("201.u18", 0x0000, 0x2000, CRC(fec9fa3c) SHA1(3c1f9de9f62e74fbd1c9b67736d0959c0f6b46b1) BAD_DUMP) // M5L2764K
 	ROM_LOAD("r1.0_special_5786.u73", 0x2000, 0x2000, CRC(5a31b6bc) SHA1(6929fa8f6d481790cd43732a9a97a9110ad9fb6c)) // MBM2764-25
 	ROM_LOAD("201.u17", 0x4000, 0x2000, CRC(e7197403) SHA1(96fff6fb30eeac616d71da731b0ea79c8cd35096)) // M5L2764K
 
@@ -149,4 +180,4 @@ ROM_START(ergo201)
 	ROM_LOAD("201.u53", 0x0000, 0x1000, CRC(907dac04) SHA1(5bae6680f1ef3f5335a223bdf403e8f3ef272430)) // MBM2732A-35
 ROM_END
 
-COMP(1983, ergo201, 0, 0, ergo201, ergo201, ergo201_state, empty_init, "Micro-Term", "ERGO 201 Kurzweil", MACHINE_IS_SKELETON)
+COMP(1985, ergo201, 0, 0, ergo201, ergo201, ergo201_state, empty_init, "Micro-Term / Kurzweil Computer Products", "ERGO 201 (Special #9233)", MACHINE_IS_SKELETON)