// license:MAME // copyright-holders:Robbbert /*************************************************************************** Callan PM68K Unix mainframe. 2013-09-04 Skeleton driver Status: Boots into monitor, some commands work, some freeze. ****************************************************************************/ #include "emu.h" #include "cpu/m68000/m68000.h" #include "machine/terminal.h" #define TERMINAL_TAG "terminal" class pm68k_state : public driver_device { public: pm68k_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_p_base(*this, "rambase"), m_maincpu(*this, "maincpu"), m_terminal(*this, TERMINAL_TAG) { } DECLARE_WRITE8_MEMBER(kbd_put); DECLARE_READ16_MEMBER(keyin_r); DECLARE_READ16_MEMBER(status_r); private: UINT8 m_term_data; virtual void machine_reset(); required_shared_ptr m_p_base; required_device m_maincpu; required_device m_terminal; }; READ16_MEMBER( pm68k_state::keyin_r ) { UINT16 ret = m_term_data; m_term_data = 0; return ret << 8; } READ16_MEMBER( pm68k_state::status_r ) { return (m_term_data) ? 0x500 : 0x400; } static ADDRESS_MAP_START(pm68k_mem, AS_PROGRAM, 16, pm68k_state) ADDRESS_MAP_UNMAP_HIGH ADDRESS_MAP_GLOBAL_MASK(0xffffff) AM_RANGE(0x000000, 0x1fffff) AM_RAM AM_SHARE("rambase") AM_RANGE(0x200000, 0x205fff) AM_ROM AM_REGION("maincpu", 0) AM_RANGE(0x600000, 0x600001) AM_READ(keyin_r) AM_DEVWRITE8(TERMINAL_TAG, generic_terminal_device, write, 0xff00) AM_RANGE(0x600002, 0x600003) AM_READ(status_r) ADDRESS_MAP_END /* Input ports */ static INPUT_PORTS_START( pm68k ) INPUT_PORTS_END void pm68k_state::machine_reset() { UINT8* ROM = memregion("maincpu")->base(); memcpy(m_p_base, ROM, 8); m_maincpu->reset(); } WRITE8_MEMBER( pm68k_state::kbd_put ) { m_term_data = data; } static MACHINE_CONFIG_START( pm68k, pm68k_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", M68000, 8000000) MCFG_CPU_PROGRAM_MAP(pm68k_mem) /* video hardware */ MCFG_DEVICE_ADD(TERMINAL_TAG, GENERIC_TERMINAL, 0) MCFG_GENERIC_TERMINAL_KEYBOARD_CB(WRITE8(pm68k_state, kbd_put)) MACHINE_CONFIG_END /* ROM definition */ ROM_START( pm68k ) ROM_REGION16_BE(0x6000, "maincpu", 0) ROM_LOAD16_BYTE("u103", 0x00000, 0x1000, CRC(86d32d6c) SHA1(ce9c54b62c64c37ae9106fb06b8a2b2152d1ddf6) ) ROM_LOAD16_BYTE("u101", 0x00001, 0x1000, CRC(66607e54) SHA1(06f380fdeba13dc3aee826dd166f4bd3031febb9) ) ROM_LOAD16_BYTE("u104", 0x02000, 0x2000, CRC(ccd2ba4d) SHA1(5cdcf875e136aa9af5f150e0102cd209c496885e) ) ROM_LOAD16_BYTE("u102", 0x02001, 0x2000, CRC(48182abd) SHA1(a6e4fb62c5f04cb397c6c3294723ec1f7bc3b680) ) ROM_END /* Driver */ /* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */ COMP( 198?, pm68k, 0, 0, pm68k, pm68k, driver_device, 0, "Callan Data Systems", "PM68K", GAME_NOT_WORKING | GAME_NO_SOUND_HW )