diff options
Diffstat (limited to 'src/devices/bus/fp1000/fp1000_exp.cpp')
-rw-r--r-- | src/devices/bus/fp1000/fp1000_exp.cpp | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/src/devices/bus/fp1000/fp1000_exp.cpp b/src/devices/bus/fp1000/fp1000_exp.cpp new file mode 100644 index 00000000000..40233a9d215 --- /dev/null +++ b/src/devices/bus/fp1000/fp1000_exp.cpp @@ -0,0 +1,114 @@ +// license:BSD-3-Clause +// copyright-holders:Angelo Salese + +#include "emu.h" +#include "fp1000_exp.h" + +#define VERBOSE 1 +//#define LOG_OUTPUT_FUNC osd_printf_info +#include "logmacro.h" + +DEFINE_DEVICE_TYPE(FP1000_EXP_SLOT, fp1000_exp_slot_device, "fp1000_exp_slot", "FP-1000/FP-1100 Expansion Slot") + +fp1000_exp_slot_device::fp1000_exp_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) + : device_t(mconfig, FP1000_EXP_SLOT, tag, owner, clock) + , device_single_card_slot_interface<device_fp1000_exp_interface>(mconfig, *this) + , m_iospace(*this, finder_base::DUMMY_TAG, -1) + , m_inta_cb(*this) + , m_intb_cb(*this) + , m_intc_cb(*this) + , m_intd_cb(*this) +{ +} + +fp1000_exp_slot_device::~fp1000_exp_slot_device() +{ +} + +void fp1000_exp_slot_device::device_start() +{ +} + +void fp1000_exp_slot_device::device_config_complete() +{ + m_dev = get_card_device(); +} + +void fp1000_exp_slot_device::remap_cb() +{ + if (!m_main_enable || m_dev == nullptr) + { + LOG("%s: unmap\n", machine().describe_context()); + m_iospace->unmap_readwrite(0x0000, 0xfeff); + m_iospace->unmap_readwrite(0xff00, 0xff7f); + } + else + { + LOG("%s: map\n", machine().describe_context()); + m_iospace->install_readwrite_handler(0xff00, 0xff7f, read8sm_delegate(*m_dev, FUNC(device_fp1000_exp_interface::id_r)), write8sm_delegate(*this, FUNC(fp1000_exp_slot_device::main_cs_w))); + m_dev->remap_cb(); + } +} + +void fp1000_exp_slot_device::select_w(bool enable) +{ + m_main_enable = enable; + remap_cb(); +} + +void fp1000_exp_slot_device::main_cs_w(offs_t offset, u8 data) +{ + m_dev->cs_w(offset, data); + m_dev->remap_cb(); +} + + + +device_fp1000_exp_interface::device_fp1000_exp_interface(const machine_config &mconfig, device_t &device) + : device_interface(device, "fp1000exp") +{ + m_slot = dynamic_cast<fp1000_exp_slot_device *>(device.owner()); +} + +device_fp1000_exp_interface::~device_fp1000_exp_interface() +{ +} + +void device_fp1000_exp_interface::interface_pre_start() +{ + if (!m_slot->started()) + throw device_missing_dependencies(); +} + +void device_fp1000_exp_interface::interface_post_start() +{ + m_slot->select_w(false); +} + +// generic passthroughs +void device_fp1000_exp_interface::inta_w(int state) { m_slot->m_inta_cb(state); } +void device_fp1000_exp_interface::intb_w(int state) { m_slot->m_intb_cb(state); } +void device_fp1000_exp_interface::intc_w(int state) { m_slot->m_intc_cb(state); } +void device_fp1000_exp_interface::intd_w(int state) { m_slot->m_intd_cb(state); } + + +fp1000_exp_device::fp1000_exp_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock) + : device_t(mconfig, type, tag, owner, clock) + , device_fp1000_exp_interface(mconfig, *this) +{ +} + +void fp1000_exp_device::device_start() +{ + +} + + +// slot devices +#include "fp1060io.h" + +void fp1000_exp_devices(device_slot_interface &device) +{ + device.option_add("fp1060io", FP1060IO); + // TODO: other options, if any +} |