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https://github.com/holub/mame
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116 lines
3.5 KiB
C
116 lines
3.5 KiB
C
/***************************************************************************
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Dual Systems 68000
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09/12/2009 Skeleton driver.
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****************************************************************************/
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#include "emu.h"
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#include "cpu/m68000/m68000.h"
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#include "cpu/i8085/i8085.h"
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#include "machine/terminal.h"
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class dual68_state : public driver_device
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{
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public:
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dual68_state(const machine_config &mconfig, device_type type, const char *tag)
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: driver_device(mconfig, type, tag),
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m_maincpu(*this, "maincpu"),
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m_terminal(*this, TERMINAL_TAG)
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,
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m_p_ram(*this, "p_ram"){ }
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required_device<cpu_device> m_maincpu;
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required_device<generic_terminal_device> m_terminal;
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DECLARE_WRITE8_MEMBER( kbd_put );
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DECLARE_WRITE16_MEMBER( dual68_terminal_w );
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//UINT8 m_term_data;
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required_shared_ptr<UINT16> m_p_ram;
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virtual void machine_reset();
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};
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WRITE16_MEMBER( dual68_state::dual68_terminal_w )
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{
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m_terminal->write(space, 0, data >> 8);
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}
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static ADDRESS_MAP_START(dual68_mem, AS_PROGRAM, 16, dual68_state)
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ADDRESS_MAP_UNMAP_HIGH
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AM_RANGE(0x00000000, 0x0000ffff) AM_RAM AM_SHARE("p_ram")
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AM_RANGE(0x00080000, 0x00081fff) AM_ROM AM_REGION("user1",0)
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AM_RANGE(0x007f0000, 0x007f0001) AM_WRITE(dual68_terminal_w)
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AM_RANGE(0x00800000, 0x00801fff) AM_ROM AM_REGION("user1",0)
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ADDRESS_MAP_END
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static ADDRESS_MAP_START(sio4_mem, AS_PROGRAM, 8, dual68_state)
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ADDRESS_MAP_UNMAP_HIGH
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AM_RANGE(0x0000, 0x07ff) AM_ROM
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AM_RANGE(0x0800, 0xffff) AM_RAM
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ADDRESS_MAP_END
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static ADDRESS_MAP_START(sio4_io, AS_IO, 8, dual68_state)
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ADDRESS_MAP_UNMAP_HIGH
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ADDRESS_MAP_END
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/* Input ports */
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static INPUT_PORTS_START( dual68 )
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INPUT_PORTS_END
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void dual68_state::machine_reset()
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{
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UINT8* user1 = memregion("user1")->base();
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memcpy((UINT8*)m_p_ram.target(),user1,0x2000);
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machine().device("maincpu")->reset();
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}
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WRITE8_MEMBER( dual68_state::kbd_put )
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{
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//m_term_data = data;
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}
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static GENERIC_TERMINAL_INTERFACE( terminal_intf )
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{
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DEVCB_DRIVER_MEMBER(dual68_state, kbd_put)
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};
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static MACHINE_CONFIG_START( dual68, dual68_state )
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/* basic machine hardware */
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MCFG_CPU_ADD("maincpu", M68000, XTAL_16MHz / 2)
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MCFG_CPU_PROGRAM_MAP(dual68_mem)
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MCFG_CPU_ADD("siocpu", I8085A, XTAL_16MHz / 8)
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MCFG_CPU_PROGRAM_MAP(sio4_mem)
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MCFG_CPU_IO_MAP(sio4_io)
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/* video hardware */
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MCFG_GENERIC_TERMINAL_ADD(TERMINAL_TAG,terminal_intf)
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MACHINE_CONFIG_END
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/* ROM definition */
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ROM_START( dual68 )
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ROM_REGION( 0x2000, "user1", ROMREGION_ERASEFF )
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ROM_SYSTEM_BIOS( 0, "v1", "2 * 4KB" )
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ROMX_LOAD( "dual_cpu68000_1.bin", 0x0001, 0x1000, CRC(d1785c08) SHA1(73c1f68875f1d8eb5e92f4347f509c61103da90f),ROM_SKIP(1) | ROM_BIOS(1))
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ROMX_LOAD( "dual_cpu68000_2.bin", 0x0000, 0x1000, CRC(b9f1ba3c) SHA1(8fd02936ad06d5a22d435d96f06e2442fc7d00ec),ROM_SKIP(1) | ROM_BIOS(1))
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ROM_SYSTEM_BIOS( 1, "v2", "2 * 2KB" )
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ROMX_LOAD( "dual.u2.bin", 0x0001, 0x0800, CRC(e9c44fcd) SHA1(d5cc609d6f5e6745d5f0af1aa6dc66012333ed60),ROM_SKIP(1) | ROM_BIOS(2))
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ROMX_LOAD( "dual.u3.bin", 0x0000, 0x0800, CRC(827b049f) SHA1(8209f8ab3d1068e5bab51e7eb12be46d4ea28354),ROM_SKIP(1) | ROM_BIOS(2))
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ROM_REGION( 0x10000, "siocpu", ROMREGION_ERASEFF )
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ROM_LOAD( "dual_sio4.bin", 0x0000, 0x0800, CRC(6b0a1965) SHA1(5d2dc6c6a315293ded4b9fc95c8ac1599bf31dd3))
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ROM_END
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/* Driver */
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/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */
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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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