(MESS) New skeleton [Robbbert]

-------------------------------------------------
Jade JGZ80

.gitattributes

@@ -6340,6 +6340,7 @@ src/mess/drivers/iq151.c svneol=native#text/plain
 src/mess/drivers/irisha.c svneol=native#text/plain
 src/mess/drivers/isbc.c svneol=native#text/plain
 src/mess/drivers/itt3030.c svneol=native#text/plain
+src/mess/drivers/jade.c svneol=native#text/plain
 src/mess/drivers/jr100.c svneol=native#text/plain
 src/mess/drivers/jr200.c svneol=native#text/plain
 src/mess/drivers/jtc.c svneol=native#text/plain

src/mess/drivers/jade.c

@@ -0,0 +1,121 @@
+/***************************************************************************
+
+    Jade JGZ80 Single board computer on a S100 card.
+
+    2013-09-12 Skeleton driver.
+
+    No info found as yet.
+
+****************************************************************************/
+
+#include "emu.h"
+#include "cpu/z80/z80.h"
+#include "machine/i8251.h"
+#include "machine/terminal.h"
+
+
+class jade_state : public driver_device
+{
+public:
+	jade_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)
+		, m_uart(*this, "uart")
+	{ }
+
+	DECLARE_WRITE8_MEMBER(kbd_put);
+	DECLARE_READ8_MEMBER(keyin_r);
+	DECLARE_READ8_MEMBER(status_r);
+	DECLARE_READ8_MEMBER(data_r);
+private:
+	UINT8 m_term_data;
+	virtual void machine_reset();
+	required_device<cpu_device> m_maincpu;
+	required_device<generic_terminal_device> m_terminal;
+	required_device<i8251_device> m_uart;
+};
+
+
+static ADDRESS_MAP_START(jade_mem, AS_PROGRAM, 8, jade_state)
+	ADDRESS_MAP_UNMAP_HIGH
+	AM_RANGE(0x0000, 0x07ff) AM_ROM AM_REGION("roms", 0)
+	AM_RANGE(0xe000, 0xffff) AM_RAM
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START(jade_io, AS_IO, 8, jade_state)
+	ADDRESS_MAP_UNMAP_HIGH
+	ADDRESS_MAP_GLOBAL_MASK(0xff)
+	//AM_RANGE(0x30, 0x30) AM_DEVREADWRITE("uart", i8251_device, data_r, data_w)
+	//AM_RANGE(0x32, 0x32) AM_DEVREADWRITE("uart", i8251_device, status_r, control_w)
+	AM_RANGE(0x30, 0x30) AM_READ(keyin_r) AM_DEVWRITE(TERMINAL_TAG, generic_terminal_device, write)
+	AM_RANGE(0x32, 0x32) AM_READ(status_r)
+ADDRESS_MAP_END
+
+/* Input ports */
+static INPUT_PORTS_START( jade )
+INPUT_PORTS_END
+
+READ8_MEMBER( jade_state::keyin_r )
+{
+	UINT8 ret = m_term_data;
+	m_term_data = 0;
+	return (ret) ? ret : 0x13;
+}
+
+READ8_MEMBER( jade_state::status_r )
+{
+	return (m_term_data) ? 5 : 4;
+}
+
+WRITE8_MEMBER( jade_state::kbd_put )
+{
+	m_term_data = data;
+}
+
+static GENERIC_TERMINAL_INTERFACE( terminal_intf )
+{
+	DEVCB_DRIVER_MEMBER(jade_state, kbd_put)
+};
+
+static const i8251_interface uart_intf =
+{
+	DEVCB_NULL,
+	DEVCB_NULL,
+	DEVCB_NULL,
+	DEVCB_NULL,
+	DEVCB_NULL,
+	DEVCB_NULL,
+	DEVCB_NULL,
+	DEVCB_NULL,
+	DEVCB_NULL
+};
+
+void jade_state::machine_reset()
+{
+	m_term_data = 0;
+}
+
+static MACHINE_CONFIG_START( jade, jade_state )
+	/* basic machine hardware */
+	MCFG_CPU_ADD("maincpu",Z80, XTAL_4MHz)
+	MCFG_CPU_PROGRAM_MAP(jade_mem)
+	MCFG_CPU_IO_MAP(jade_io)
+
+	/* video hardware */
+	MCFG_GENERIC_TERMINAL_ADD(TERMINAL_TAG, terminal_intf)
+
+	/* Devices */
+	MCFG_I8251_ADD("uart", uart_intf)
+MACHINE_CONFIG_END
+
+/* ROM definition */
+ROM_START( jade )
+	ROM_REGION( 0x800, "roms", 0 )
+	ROM_LOAD( "jgz80.rom",   0x0000, 0x0800, CRC(90c4a1ef) SHA1(8a93a11051cc27f3edca24f0f4297ebe0099964e) )
+ROM_END
+
+/* Driver */
+
+/*    YEAR  NAME     PARENT  COMPAT   MACHINE    INPUT  CLASS         INIT  COMPANY  FULLNAME   FLAGS */
+COMP( 19??, jade,    0,      0,       jade,      jade,  driver_device, 0,   "Jade", "JGZ80", GAME_NOT_WORKING | GAME_NO_SOUND_HW )

src/mess/mess.lst

@@ -2266,4 +2266,5 @@ pm68k
 lft1230
 lft1510
 imsai
+jade
 

src/mess/mess.mak

@@ -2403,6 +2403,7 @@ $(MESSOBJ)/skeleton.a:          \
 	$(MESS_DRIVERS)/imsai.o     \
 	$(MESS_DRIVERS)/indiana.o   \
 	$(MESS_DRIVERS)/itt3030.o   \
+	$(MESS_DRIVERS)/jade.o      \
 	$(MESS_DRIVERS)/konin.o     \
 	$(MESS_DRIVERS)/lft.o       \
 	$(MESS_DRIVERS)/lola8a.o    \