diff options
Diffstat (limited to 'src/devices/bus/archimedes/podule/faxpack.cpp')
-rw-r--r-- | src/devices/bus/archimedes/podule/faxpack.cpp | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/src/devices/bus/archimedes/podule/faxpack.cpp b/src/devices/bus/archimedes/podule/faxpack.cpp new file mode 100644 index 00000000000..bcbce02d706 --- /dev/null +++ b/src/devices/bus/archimedes/podule/faxpack.cpp @@ -0,0 +1,135 @@ +// license:BSD-3-Clause +// copyright-holders:Nigel Barnes +/********************************************************************** + + Computer Concepts Fax-Pack + + https://chrisacorns.computinghistory.org.uk/32bit_UpgradesA2G/CC_FaxPack.html + + TODO: + - add R96DFX modem. + +**********************************************************************/ + +#include "emu.h" +#include "faxpack.h" +#include "machine/mb8421.h" +//#include "machine/r96dfx.h" + + +namespace { + +class arc_faxpack_device : + public device_t, + public device_archimedes_podule_interface +{ +public: + // construction/destruction + arc_faxpack_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock); + + static constexpr feature_type unemulated_features() { return feature::CAPTURE; } + +protected: + // device-level overrides + virtual void device_start() override ATTR_COLD; + + // optional information overrides + virtual void device_add_mconfig(machine_config &config) override ATTR_COLD; + virtual const tiny_rom_entry *device_rom_region() const override ATTR_COLD; + + // device_archimedes_podule_interface overrides + virtual void ioc_map(address_map &map) override ATTR_COLD; + +private: + required_device<mcs51_cpu_device> m_mcu; + required_memory_region m_podule_rom; + + void mem_map(address_map &map) ATTR_COLD; + void io_map(address_map &map) ATTR_COLD; +}; + + +void arc_faxpack_device::ioc_map(address_map &map) +{ + map(0x0000, 0x0fff).rw("dpram", FUNC(idt7130_device::right_r), FUNC(idt7130_device::right_w)).umask32(0x000000ff); +} + + +void arc_faxpack_device::mem_map(address_map &map) +{ + map(0x0000, 0x7fff).rom().region("podule_rom", 0); +} + +void arc_faxpack_device::io_map(address_map &map) +{ + //map(0x2000, 0x201f).rw("modem", FUNC(r96dfx_device::read), FUNC(r96dfx_device::write)); + map(0x6000, 0x63ff).rw("dpram", FUNC(idt7130_device::left_r), FUNC(idt7130_device::left_w)); +} + + +//------------------------------------------------- +// ROM( faxpack ) +//------------------------------------------------- + +ROM_START( faxpack ) + ROM_REGION(0x8000, "podule_rom", 0) + ROM_LOAD("faxpack_3873.rom", 0x0000, 0x8000, CRC(4bb7a925) SHA1(bbd1c4560c3bde1e61f81ae6505cd5d4658c6cb8)) +ROM_END + +const tiny_rom_entry *arc_faxpack_device::device_rom_region() const +{ + return ROM_NAME( faxpack ); +} + + +//------------------------------------------------- +// device_add_mconfig - add device configuration +//------------------------------------------------- + +void arc_faxpack_device::device_add_mconfig(machine_config &config) +{ + I8031(config, m_mcu, 11.0592_MHz_XTAL); + m_mcu->set_addrmap(AS_PROGRAM, &arc_faxpack_device::mem_map); + m_mcu->set_addrmap(AS_IO, &arc_faxpack_device::io_map); + + idt7130_device &dpram(IDT7130(config, "dpram")); + dpram.intl_callback().set_inputline(m_mcu, MCS51_INT0_LINE); + dpram.intr_callback().set([this](int state) { set_pirq(state); }); + + //R96DFX(config, "modem", 24.00014_MHz_XTAL); +} + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// arc_faxpack_device - constructor +//------------------------------------------------- + +arc_faxpack_device::arc_faxpack_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) + : device_t(mconfig, ARC_FAXPACK, tag, owner, clock) + , device_archimedes_podule_interface(mconfig, *this) + , m_mcu(*this, "mcu") + , m_podule_rom(*this, "podule_rom") +{ +} + + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void arc_faxpack_device::device_start() +{ +} + +} // anonymous namespace + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +DEFINE_DEVICE_TYPE_PRIVATE(ARC_FAXPACK, device_archimedes_podule_interface, arc_faxpack_device, "arc_faxpack", "Computer Concepts FaxPack Modem") |