/*************************************************************************** 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 m_maincpu; required_device m_terminal; DECLARE_WRITE8_MEMBER( kbd_put ); DECLARE_WRITE16_MEMBER( dual68_terminal_w ); //UINT8 m_term_data; required_shared_ptr 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", GAME_NOT_WORKING | GAME_NO_SOUND)