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/***************************************************************************
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"
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 GENERIC_TERMINAL_INTERFACE( terminal_intf )
{
DEVCB_DRIVER_MEMBER(dual68_state, kbd_put)
};
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_GENERIC_TERMINAL_ADD(TERMINAL_TAG,terminal_intf)
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", GAME_NOT_WORKING | GAME_NO_SOUND)
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