From 0d4a88ab7bc82d89ea02a92968fceab94e29bfc8 Mon Sep 17 00:00:00 2001
From: Robbbert <robbbert@users.noreply.github.com>
Date: Tue, 11 Jun 2013 08:04:08 +0000
Subject: [PATCH] (MESS) New SKELETON driver ----------------------------
 EVMBUG (Texas Instruments TMS9995 Trainer) [Robbbert]

---
 .gitattributes            |   1 +
 src/mess/drivers/evmbug.c | 124 ++++++++++++++++++++++++++++++++++++++
 src/mess/mess.lst         |   1 +
 src/mess/mess.mak         |   1 +
 4 files changed, 127 insertions(+)
 create mode 100644 src/mess/drivers/evmbug.c

diff --git a/.gitattributes b/.gitattributes
index 568d95b2d26..a6537aaaf40 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -6136,6 +6136,7 @@ src/mess/drivers/esqkt.c svneol=native#text/plain
 src/mess/drivers/esqmr.c svneol=native#text/plain
 src/mess/drivers/et3400.c svneol=native#text/plain
 src/mess/drivers/eti660.c svneol=native#text/plain
+src/mess/drivers/evmbug.c svneol=native#text/plain
 src/mess/drivers/ex800.c svneol=native#text/plain
 src/mess/drivers/exelv.c svneol=native#text/plain
 src/mess/drivers/exp85.c svneol=native#text/plain
diff --git a/src/mess/drivers/evmbug.c b/src/mess/drivers/evmbug.c
new file mode 100644
index 00000000000..68491c8337f
--- /dev/null
+++ b/src/mess/drivers/evmbug.c
@@ -0,0 +1,124 @@
+/***************************************************************************
+
+        Stuart's Breadboard Project. TMS9995 evaluation kit TMAM6095.
+
+        2013-06-02 Skeleton driver.
+
+        http://www.avjd51.dsl.pipex.com/tms9995_eval_module/tms9995_eval_module.htm
+
+
+****************************************************************************/
+
+#include "emu.h"
+#include "cpu/tms9900/tms9900l.h"
+#include "machine/terminal.h"
+
+class evmbug_state : public driver_device
+{
+public:
+	evmbug_state(const machine_config &mconfig, device_type type, const char *tag)
+		: driver_device(mconfig, type, tag)
+		, m_maincpu(*this, "maincpu")
+		, m_terminal(*this, TERMINAL_TAG)
+		{ }
+
+	DECLARE_READ8_HANDLER(rs232_r);
+	DECLARE_WRITE8_HANDLER(rs232_w);
+	DECLARE_WRITE8_MEMBER(kbd_put);
+	virtual void machine_reset();
+	UINT8 m_term_data;
+	UINT8 m_term_out;
+	required_device<cpu_device> m_maincpu;
+	required_device<generic_terminal_device> m_terminal;
+};
+
+static ADDRESS_MAP_START( evmbug_mem, AS_PROGRAM, 8, evmbug_state )
+	AM_RANGE(0x0000, 0x17ff) AM_ROM
+	AM_RANGE(0xec00, 0xefff) AM_RAM
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( evmbug_io, AS_IO, 8, evmbug_state )
+	ADDRESS_MAP_UNMAP_HIGH
+	AM_RANGE(0x0000, 0x0007) AM_WRITE(rs232_w)
+	AM_RANGE(0x0000, 0x0002) AM_READ(rs232_r)
+ADDRESS_MAP_END
+
+/* Input ports */
+static INPUT_PORTS_START( evmbug )
+INPUT_PORTS_END
+
+READ8_MEMBER( evmbug_state::rs232_r )
+{
+	static UINT8 temp = 0;
+	temp^=0xff;
+	if (offset == 1)
+		return temp;
+
+	if (offset == 2)
+	{
+		return 0xff;//(m_term_data) ? 0 : 0xff;
+	}
+
+	UINT8 ret = m_term_data;
+	m_term_data = 0;
+	return ret;
+}
+
+WRITE8_MEMBER( evmbug_state::rs232_w )
+{
+	if (offset == 0)
+		m_term_out = 0;
+
+	m_term_out |= (data << offset);
+
+	if (offset == 7)
+		m_terminal->write(space, 0, m_term_out & 0x7f);
+}
+
+WRITE8_MEMBER( evmbug_state::kbd_put )
+{
+	m_term_data = data;
+}
+
+static GENERIC_TERMINAL_INTERFACE( terminal_intf )
+{
+	DEVCB_DRIVER_MEMBER(evmbug_state, kbd_put)
+};
+
+
+void evmbug_state::machine_reset()
+{
+	m_term_data = 0;
+}
+
+static const struct tms9995reset_param evmbug_processor_config =
+{
+	0,  /* disable automatic wait state generation */
+	0,  /* no IDLE callback */
+	0   /* no MP9537 mask */
+};
+
+static MACHINE_CONFIG_START( evmbug, evmbug_state )
+	/* basic machine hardware */
+	/* TMS9995 CPU @ 12.0 MHz */
+	MCFG_CPU_ADD("maincpu", TMS9995L, 12000000)
+	MCFG_CPU_CONFIG(evmbug_processor_config)
+	MCFG_CPU_PROGRAM_MAP(evmbug_mem)
+	MCFG_CPU_IO_MAP(evmbug_io)
+
+	/* video hardware */
+	MCFG_GENERIC_TERMINAL_ADD(TERMINAL_TAG, terminal_intf)
+MACHINE_CONFIG_END
+
+/* ROM definition */
+ROM_START( evmbug )
+	ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
+//	ROM_LOAD( "u8.bin", 0x0000, 0x1000, CRC(bdb8c7bd) SHA1(340829dcb7a65f2e830fd5aff82a312e3ed7918f) )
+//	ROM_LOAD( "u9.bin", 0x1000, 0x0800, CRC(4de459ea) SHA1(00a42fe556d4ffe1f85b2ce369f544b07fbd06d9) )
+	ROM_LOAD( "evmbug.bin", 0x0000, 0x8000, CRC(a239ec56) SHA1(65b500d7d0f897ce0c320cf3ec32ff4042774599) )
+ROM_END
+
+/* Driver */
+
+/*    YEAR  NAME    PARENT  COMPAT   MACHINE    INPUT    INIT    COMPANY                  FULLNAME       FLAGS */
+COMP( 19??, evmbug, 0,      0,       evmbug,    evmbug, driver_device,  0,    "Texas Instruments",   "TMAM6095", GAME_NOT_WORKING | GAME_NO_SOUND)
diff --git a/src/mess/mess.lst b/src/mess/mess.lst
index d578edbd9d9..73d5852d1ca 100644
--- a/src/mess/mess.lst
+++ b/src/mess/mess.lst
@@ -996,6 +996,7 @@ ti92      // 1995 TI-92
 ti92p    // 1999 TI-92 Plus
 v200      // 2002 Voyage 200 PLT
 ti89t    // 2004 TI-89 Titanium
+evmbug
 
 // NEC
 pc6001
diff --git a/src/mess/mess.mak b/src/mess/mess.mak
index afb9a438c32..aaea25fd407 100644
--- a/src/mess/mess.mak
+++ b/src/mess/mess.mak
@@ -2145,6 +2145,7 @@ $(MESSOBJ)/ti.a:                \
 	$(MESS_DRIVERS)/ti99_2.o    \
 	$(MESS_VIDEO)/avigo.o       \
 	$(MESS_DRIVERS)/avigo.o     \
+	$(MESS_DRIVERS)/evmbug.o    \
 
 $(MESSOBJ)/tiger.a:             \
 	$(MESS_DRIVERS)/gamecom.o   \