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/***************************************************************************
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"
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<cpu_device> m_maincpu;
required_device<generic_terminal_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()
{
machine().device("maincpu")->state().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)
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