diff options
Diffstat (limited to 'src/devices/bus/centronics/nec_p72.cpp')
-rw-r--r-- | src/devices/bus/centronics/nec_p72.cpp | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/src/devices/bus/centronics/nec_p72.cpp b/src/devices/bus/centronics/nec_p72.cpp new file mode 100644 index 00000000000..8ef53e54513 --- /dev/null +++ b/src/devices/bus/centronics/nec_p72.cpp @@ -0,0 +1,94 @@ +// license:BSD-3-Clause +// copyright-holders:Ramiro Polla + +#include "nec_p72.h" + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +const device_type NEC_P72 = &device_creator<nec_p72_t>; + + +//------------------------------------------------- +// ROM( p72 ) +//------------------------------------------------- + +ROM_START( p72 ) + ROM_REGION(0x100000, "maincpu", 0) + ROM_LOAD("p72.2c", 0x000000, 0x100000, CRC(2bc6846f) SHA1(10430f1d3b73ad413d77053515d9d53831a1341b)) +ROM_END + + +//------------------------------------------------- +// rom_region - device-specific ROM region +//------------------------------------------------- + +const rom_entry *nec_p72_t::device_rom_region() const +{ + return ROM_NAME( p72 ); +} + + +//------------------------------------------------- +// ADDRESS_MAP( p72_mem ) +//------------------------------------------------- + +static ADDRESS_MAP_START( p72_mem, AS_PROGRAM, 8, nec_p72_t ) + AM_RANGE(0x000000, 0x0fffff) AM_ROM /* 1Mbit firmware */ + AM_RANGE(0x100000, 0x1fffff) AM_RAM /* 1Mbit external RAM */ /* TODO might be 2x1Mbit */ +ADDRESS_MAP_END + + +//------------------------------------------------- +// MACHINE_DRIVER( nec_p72 ) +//------------------------------------------------- + +static MACHINE_CONFIG_FRAGMENT( nec_p72 ) + /* basic machine hardware */ + MCFG_CPU_ADD("maincpu", V33, XTAL_16MHz/2) /* TODO it's actually a V40 */ + MCFG_CPU_PROGRAM_MAP(p72_mem) + +MACHINE_CONFIG_END + +//------------------------------------------------- +// machine_config_additions - device-specific +// machine configurations +//------------------------------------------------- + +machine_config_constructor nec_p72_t::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME( nec_p72 ); +} + + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void nec_p72_t::device_start() +{ +} + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// nec_p72_t - constructor +//------------------------------------------------- + +nec_p72_t::nec_p72_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : + device_t(mconfig, NEC_P72, "NEC PinWrite P72", tag, owner, clock, "p72", __FILE__), + device_centronics_peripheral_interface(mconfig, *this), + m_maincpu(*this, "maincpu") +{ +} + +nec_p72_t::nec_p72_t(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source) : + device_t(mconfig, type, name, tag, owner, clock, shortname, __FILE__), + device_centronics_peripheral_interface(mconfig, *this), + m_maincpu(*this, "maincpu") +{ +} |