// license:MAME // copyright-holders:Robbbert /*************************************************************************** Intel iPB and iPC 17/12/2009 Skeleton driver. 22/04/2011 Connected to a terminal, it responds. Modernised. --> When started, you must press Space, then it will start to work. Monitor commands: A Dn n - dump memory E Fn n n - fill memory G Hn n - hex arithmetic Mn n n - move (copy) memory block N Q R Sn - modify a byte of memory W - display memory in Intel? format X - show and modify registers Preliminary Memory Map E800-F7FF BIOS ROM area F800-FFFF Monitor ROM (or other user interface) I/O F4/F5 main console input and output I/O F6/F7 alternate console input ToDo: - Everything! - iPC - Find missing rom F800-FFFF ****************************************************************************/ #include "emu.h" #include "cpu/i8085/i8085.h" #include "machine/terminal.h" #define TERMINAL_TAG "terminal" class ipc_state : public driver_device { public: ipc_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) { } required_device m_maincpu; required_device m_terminal; DECLARE_READ8_MEMBER( ipc_f4_r ); DECLARE_READ8_MEMBER( ipc_f5_r ); DECLARE_WRITE8_MEMBER( kbd_put ); UINT8 *m_ram; UINT8 m_term_data; virtual void machine_reset(); }; READ8_MEMBER( ipc_state::ipc_f4_r ) { UINT8 ret = m_term_data; m_term_data = 0; return ret; } // bit 0 high = ok to send to terminal; bit 1 high = key is pressed READ8_MEMBER( ipc_state::ipc_f5_r ) { return (m_term_data) ? 3 : 1; } static ADDRESS_MAP_START(ipc_mem, AS_PROGRAM, 8, ipc_state) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x0000, 0xdfff) AM_RAM AM_RANGE(0xe800, 0xffff) AM_ROM ADDRESS_MAP_END static ADDRESS_MAP_START( ipc_io, AS_IO, 8, ipc_state) ADDRESS_MAP_UNMAP_HIGH ADDRESS_MAP_GLOBAL_MASK(0xff) AM_RANGE(0xf4, 0xf4) AM_READ(ipc_f4_r) AM_DEVWRITE(TERMINAL_TAG, generic_terminal_device, write) AM_RANGE(0xf5, 0xf5) AM_READ(ipc_f5_r) ADDRESS_MAP_END /* Input ports */ static INPUT_PORTS_START( ipc ) INPUT_PORTS_END void ipc_state::machine_reset() { m_maincpu->set_state_int(I8085_PC, 0xE800); } WRITE8_MEMBER( ipc_state::kbd_put ) { m_term_data = data; } static GENERIC_TERMINAL_INTERFACE( terminal_intf ) { DEVCB_DRIVER_MEMBER(ipc_state, kbd_put) }; static MACHINE_CONFIG_START( ipc, ipc_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu",I8085A, XTAL_19_6608MHz / 4) MCFG_CPU_PROGRAM_MAP(ipc_mem) MCFG_CPU_IO_MAP(ipc_io) /* video hardware */ MCFG_GENERIC_TERMINAL_ADD(TERMINAL_TAG, terminal_intf) MACHINE_CONFIG_END /* ROM definition */ ROM_START( ipb ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) ROM_LOAD( "ipb_e8_v1.3.bin", 0xe800, 0x0800, CRC(fc9d4703) SHA1(2ce078e1bcd8b24217830c54bcf04c5d146d1b76) ) ROM_LOAD( "ipb_f8_v1.3.bin", 0xf800, 0x0800, CRC(966ba421) SHA1(d6a904c7d992a05ed0f451d7d34c1fc8de9547ee) ) ROM_END ROM_START( ipc ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) ROM_LOAD( "ipc_u82_v1.3_104584-001.bin", 0xe800, 0x1000, CRC(0889394f) SHA1(b7525baf1884a7d67402dea4b5566016a9861ef2) ) // required rom is missing. Using this one from 'ipb' for now. ROM_LOAD( "ipb_f8_v1.3.bin", 0xf800, 0x0800, BAD_DUMP CRC(966ba421) SHA1(d6a904c7d992a05ed0f451d7d34c1fc8de9547ee) ) ROM_END /* Driver */ /* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ COMP( 19??, ipb, 0, 0, ipc, ipc, driver_device, 0, "Intel", "iPB", GAME_NO_SOUND) COMP( 19??, ipc, ipb, 0, ipc, ipc, driver_device, 0, "Intel", "iPC", GAME_NOT_WORKING | GAME_NO_SOUND)