diff options
Diffstat (limited to 'src/mame/drivers/dual68.cpp')
-rw-r--r-- | src/mame/drivers/dual68.cpp | 115 |
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) |