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-rw-r--r--src/mame/drivers/dual68.cpp115
1 files changed, 115 insertions, 0 deletions
diff --git a/src/mame/drivers/dual68.cpp b/src/mame/drivers/dual68.cpp
new file mode 100644
index 00000000000..d778d0c4f6a
--- /dev/null
+++ b/src/mame/drivers/dual68.cpp
@@ -0,0 +1,115 @@
+// license:BSD-3-Clause
+// copyright-holders:Robbbert
+/***************************************************************************
+
+ Dual Systems 68000
+
+ 09/12/2009 Skeleton driver.
+
+****************************************************************************/
+
+#include "emu.h"
+#include "cpu/m68000/m68000.h"
+#include "cpu/i8085/i8085.h"
+#include "machine/terminal.h"
+
+#define TERMINAL_TAG "terminal"
+
+class dual68_state : public driver_device
+{
+public:
+ dual68_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_WRITE8_MEMBER( kbd_put );
+ DECLARE_WRITE16_MEMBER( dual68_terminal_w );
+ //UINT8 m_term_data;
+ required_shared_ptr<UINT16> m_p_ram;
+ virtual void machine_reset();
+};
+
+
+
+WRITE16_MEMBER( dual68_state::dual68_terminal_w )
+{
+ m_terminal->write(space, 0, data >> 8);
+}
+
+static ADDRESS_MAP_START(dual68_mem, AS_PROGRAM, 16, dual68_state)
+ ADDRESS_MAP_UNMAP_HIGH
+ AM_RANGE(0x00000000, 0x0000ffff) AM_RAM AM_SHARE("p_ram")
+ AM_RANGE(0x00080000, 0x00081fff) AM_ROM AM_REGION("user1",0)
+ AM_RANGE(0x007f0000, 0x007f0001) AM_WRITE(dual68_terminal_w)
+ AM_RANGE(0x00800000, 0x00801fff) AM_ROM AM_REGION("user1",0)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START(sio4_mem, AS_PROGRAM, 8, dual68_state)
+ ADDRESS_MAP_UNMAP_HIGH
+ AM_RANGE(0x0000, 0x07ff) AM_ROM
+ AM_RANGE(0x0800, 0xffff) AM_RAM
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START(sio4_io, AS_IO, 8, dual68_state)
+ ADDRESS_MAP_UNMAP_HIGH
+ADDRESS_MAP_END
+
+/* Input ports */
+static INPUT_PORTS_START( dual68 )
+INPUT_PORTS_END
+
+
+void dual68_state::machine_reset()
+{
+ UINT8* user1 = memregion("user1")->base();
+
+ memcpy((UINT8*)m_p_ram.target(),user1,0x2000);
+
+ m_maincpu->reset();
+}
+
+WRITE8_MEMBER( dual68_state::kbd_put )
+{
+ //m_term_data = data;
+}
+
+static MACHINE_CONFIG_START( dual68, dual68_state )
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu", M68000, XTAL_16MHz / 2)
+ MCFG_CPU_PROGRAM_MAP(dual68_mem)
+
+ MCFG_CPU_ADD("siocpu", I8085A, XTAL_16MHz / 8)
+ MCFG_CPU_PROGRAM_MAP(sio4_mem)
+ MCFG_CPU_IO_MAP(sio4_io)
+
+
+ /* video hardware */
+ MCFG_DEVICE_ADD(TERMINAL_TAG, GENERIC_TERMINAL, 0)
+ MCFG_GENERIC_TERMINAL_KEYBOARD_CB(WRITE8(dual68_state, kbd_put))
+MACHINE_CONFIG_END
+
+/* ROM definition */
+ROM_START( dual68 )
+ ROM_REGION( 0x2000, "user1", ROMREGION_ERASEFF )
+ ROM_SYSTEM_BIOS( 0, "v1", "2 * 4KB" )
+ ROMX_LOAD( "dual_cpu68000_1.bin", 0x0001, 0x1000, CRC(d1785c08) SHA1(73c1f68875f1d8eb5e92f4347f509c61103da90f),ROM_SKIP(1) | ROM_BIOS(1))
+ ROMX_LOAD( "dual_cpu68000_2.bin", 0x0000, 0x1000, CRC(b9f1ba3c) SHA1(8fd02936ad06d5a22d435d96f06e2442fc7d00ec),ROM_SKIP(1) | ROM_BIOS(1))
+
+ ROM_SYSTEM_BIOS( 1, "v2", "2 * 2KB" )
+ ROMX_LOAD( "dual.u2.bin", 0x0001, 0x0800, CRC(e9c44fcd) SHA1(d5cc609d6f5e6745d5f0af1aa6dc66012333ed60),ROM_SKIP(1) | ROM_BIOS(2))
+ ROMX_LOAD( "dual.u3.bin", 0x0000, 0x0800, CRC(827b049f) SHA1(8209f8ab3d1068e5bab51e7eb12be46d4ea28354),ROM_SKIP(1) | ROM_BIOS(2))
+
+ ROM_REGION( 0x10000, "siocpu", ROMREGION_ERASEFF )
+ ROM_LOAD( "dual_sio4.bin", 0x0000, 0x0800, CRC(6b0a1965) SHA1(5d2dc6c6a315293ded4b9fc95c8ac1599bf31dd3))
+ROM_END
+
+/* Driver */
+
+/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */
+COMP( 1981, dual68, 0, 0, dual68, dual68, driver_device, 0, "Dual Systems Corporation", "Dual Systems 68000", MACHINE_NOT_WORKING | MACHINE_NO_SOUND)