// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** COMX-35 Expansion Slot emulation **********************************************************************/ #include "exp.h" //************************************************************************** // DEVICE DEFINITIONS //************************************************************************** const device_type COMX_EXPANSION_SLOT = &device_creator; //************************************************************************** // DEVICE COMX_EXPANSION CARD INTERFACE //************************************************************************** //------------------------------------------------- // device_comx_expansion_card_interface - constructor //------------------------------------------------- device_comx_expansion_card_interface::device_comx_expansion_card_interface(const machine_config &mconfig, device_t &device) : device_slot_card_interface(mconfig, device), m_ds(1) { m_slot = dynamic_cast(device.owner()); } //************************************************************************** // LIVE DEVICE //************************************************************************** //------------------------------------------------- // comx_expansion_slot_device - constructor //------------------------------------------------- comx_expansion_slot_device::comx_expansion_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : device_t(mconfig, COMX_EXPANSION_SLOT, "COMX-35 expansion slot", tag, owner, clock, "comx_expansion_slot", __FILE__), device_slot_interface(mconfig, *this), m_write_irq(*this), m_card(nullptr) { } //------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- void comx_expansion_slot_device::device_start() { m_card = dynamic_cast(get_card_device()); // resolve callbacks m_write_irq.resolve_safe(); } //------------------------------------------------- // mrd_r - memory read //------------------------------------------------- UINT8 comx_expansion_slot_device::mrd_r(address_space &space, offs_t offset, int *extrom) { UINT8 data = 0; if (m_card != nullptr) { data = m_card->comx_mrd_r(space, offset, extrom); } return data; } //------------------------------------------------- // mwr_w - memory write //------------------------------------------------- void comx_expansion_slot_device::mwr_w(address_space &space, offs_t offset, UINT8 data) { if (m_card != nullptr) { m_card->comx_mwr_w(space, offset, data); } } //------------------------------------------------- // io_r - I/O read //------------------------------------------------- UINT8 comx_expansion_slot_device::io_r(address_space &space, offs_t offset) { UINT8 data = 0; if (m_card != nullptr) { data = m_card->comx_io_r(space, offset); } return data; } //------------------------------------------------- // sout_w - I/O write //------------------------------------------------- void comx_expansion_slot_device::io_w(address_space &space, offs_t offset, UINT8 data) { if (m_card != nullptr) { m_card->comx_io_w(space, offset, data); } } //------------------------------------------------- // ds_w - device select write //------------------------------------------------- WRITE_LINE_MEMBER( comx_expansion_slot_device::ds_w ) { if (m_card != nullptr) { m_card->comx_ds_w(state); } } //------------------------------------------------- // q_w - Q write //------------------------------------------------- WRITE_LINE_MEMBER( comx_expansion_slot_device::q_w ) { if (m_card != nullptr) { m_card->comx_q_w(state); } } READ_LINE_MEMBER( comx_expansion_slot_device::ef4_r ) { int state = CLEAR_LINE; if (m_card != nullptr) { state = m_card->comx_ef4_r(); } return state; } //------------------------------------------------- // SLOT_INTERFACE( comx_expansion_cards ) //------------------------------------------------- // slot devices #include "clm.h" #include "eprom.h" #include "expbox.h" #include "fdc.h" #include "joycard.h" #include "printer.h" #include "ram.h" #include "thermal.h" SLOT_INTERFACE_START( comx_expansion_cards ) SLOT_INTERFACE("eb", COMX_EB) SLOT_INTERFACE("fd", COMX_FD) SLOT_INTERFACE("clm", COMX_CLM) SLOT_INTERFACE("ram", COMX_RAM) SLOT_INTERFACE("joy", COMX_JOY) SLOT_INTERFACE("prn", COMX_PRN) SLOT_INTERFACE("thm", COMX_THM) SLOT_INTERFACE("epr", COMX_EPR) SLOT_INTERFACE_END