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-rw-r--r--src/mess/drivers/qtsbc.c102
1 files changed, 102 insertions, 0 deletions
diff --git a/src/mess/drivers/qtsbc.c b/src/mess/drivers/qtsbc.c
new file mode 100644
index 00000000000..c977a731903
--- /dev/null
+++ b/src/mess/drivers/qtsbc.c
@@ -0,0 +1,102 @@
+/***************************************************************************
+
+ QT Computer Systems SBC +2/4
+
+ 11/12/2009 Skeleton driver.
+
+ It expects a rom or similar at E377-up, so currently it crashes.
+
+****************************************************************************/
+
+#include "emu.h"
+#include "cpu/z80/z80.h"
+#include "machine/terminal.h"
+
+#define MACHINE_RESET_MEMBER(name) void name::machine_reset()
+
+class qtsbc_state : public driver_device
+{
+public:
+ qtsbc_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_p_ram(*this, "p_ram"){ }
+
+ required_device<cpu_device> m_maincpu;
+ required_device<generic_terminal_device> m_terminal;
+ DECLARE_READ8_MEMBER( qtsbc_06_r );
+ DECLARE_READ8_MEMBER( qtsbc_43_r );
+ DECLARE_WRITE8_MEMBER( kbd_put );
+ required_shared_ptr<UINT8> m_p_ram;
+ UINT8 m_term_data;
+ virtual void machine_reset();
+};
+
+
+READ8_MEMBER( qtsbc_state::qtsbc_06_r )
+{
+ UINT8 ret = m_term_data;
+ m_term_data = 0;
+ return ret;
+}
+
+READ8_MEMBER( qtsbc_state::qtsbc_43_r )
+{
+ return 0;
+}
+
+static ADDRESS_MAP_START(qtsbc_mem, AS_PROGRAM, 8, qtsbc_state)
+ ADDRESS_MAP_UNMAP_HIGH
+ AM_RANGE( 0x0000, 0xffff ) AM_RAM AM_SHARE("p_ram") AM_REGION("maincpu", 0)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( qtsbc_io, AS_IO, 8, qtsbc_state)
+ ADDRESS_MAP_UNMAP_HIGH
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+ AM_RANGE(0x06, 0x06) AM_READ(qtsbc_06_r) AM_DEVWRITE(TERMINAL_TAG, generic_terminal_device, write)
+ AM_RANGE(0x43, 0x43) AM_READ(qtsbc_43_r)
+ADDRESS_MAP_END
+
+/* Input ports */
+static INPUT_PORTS_START( qtsbc )
+INPUT_PORTS_END
+
+
+MACHINE_RESET_MEMBER(qtsbc_state)
+{
+ UINT8* bios = memregion("maincpu")->base()+0x10000;
+ memcpy(m_p_ram, bios, 0x800);
+}
+
+WRITE8_MEMBER( qtsbc_state::kbd_put )
+{
+ m_term_data = data;
+}
+
+static GENERIC_TERMINAL_INTERFACE( terminal_intf )
+{
+ DEVCB_DRIVER_MEMBER(qtsbc_state, kbd_put)
+};
+
+static MACHINE_CONFIG_START( qtsbc, qtsbc_state )
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu",Z80, XTAL_4MHz) // Mostek MK3880
+ MCFG_CPU_PROGRAM_MAP(qtsbc_mem)
+ MCFG_CPU_IO_MAP(qtsbc_io)
+
+ /* video hardware */
+ MCFG_GENERIC_TERMINAL_ADD(TERMINAL_TAG, terminal_intf)
+MACHINE_CONFIG_END
+
+/* ROM definition */
+ROM_START( qtsbc )
+ ROM_REGION( 0x10800, "maincpu", ROMREGION_ERASEFF )
+ ROM_LOAD( "qtsbc.bin", 0x10000, 0x0800, CRC(823fd942) SHA1(64c4f74dd069ae4d43d301f5e279185f32a1efa0))
+ROM_END
+
+/* Driver */
+
+/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */
+COMP( 19??, qtsbc, 0, 0, qtsbc, qtsbc, driver_device, 0, "Computer Systems Inc.", "QT SBC +2/4", GAME_NOT_WORKING | GAME_NO_SOUND)