// license:BSD-3-Clause // copyright-holders:Nigel Barnes /********************************************************************** Electron Expansion Port emulation **********************************************************************/ #include "emu.h" #include "exp.h" //************************************************************************** // DEVICE DEFINITIONS //************************************************************************** DEFINE_DEVICE_TYPE(ELECTRON_EXPANSION_SLOT, electron_expansion_slot_device, "electron_expansion_slot", "Acorn Electron Expansion port") //************************************************************************** // DEVICE ELECTRON_EXPANSION CARD INTERFACE //************************************************************************** //------------------------------------------------- // device_electron_expansion_interface - constructor //------------------------------------------------- device_electron_expansion_interface::device_electron_expansion_interface(const machine_config &mconfig, device_t &device) : device_interface(device, "electronexp") { m_slot = dynamic_cast(device.owner()); } //************************************************************************** // LIVE DEVICE //************************************************************************** //------------------------------------------------- // electron_expansion_slot_device - constructor //------------------------------------------------- electron_expansion_slot_device::electron_expansion_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : device_t(mconfig, ELECTRON_EXPANSION_SLOT, tag, owner, clock), device_single_card_slot_interface(mconfig, *this), m_card(nullptr), m_irq_handler(*this), m_nmi_handler(*this) { } //------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- void electron_expansion_slot_device::device_start() { m_card = get_card_device(); } //------------------------------------------------- // expbus_r - expansion data read //------------------------------------------------- uint8_t electron_expansion_slot_device::expbus_r(offs_t offset) { uint8_t data = 0xff; if (m_card != nullptr) { data = m_card->expbus_r(offset); } return data; } //------------------------------------------------- // expbus_w - expansion data write //------------------------------------------------- void electron_expansion_slot_device::expbus_w(offs_t offset, uint8_t data) { if (m_card != nullptr) { m_card->expbus_w(offset, data); } } //------------------------------------------------- // SLOT_INTERFACE( electron_expansion_devices ) //------------------------------------------------- // slot devices #include "elksd64.h" #include "elksd128.h" #include "fbjoy.h" #include "fbprint.h" #include "mc68k.h" #include "mode7.h" //#include "lebox.h" #include "plus1.h" #include "plus2.h" #include "plus3.h" #include "pwrjoy.h" #include "rombox.h" #include "romboxp.h" #include "sidewndr.h" #include "m2105.h" #include "voxbox.h" void electron_expansion_devices(device_slot_interface &device) { device.option_add("ap1", ELECTRON_AP1); device.option_add("ap6", ELECTRON_AP6); device.option_add("elksd64", ELECTRON_ELKSD64); device.option_add("elksd128", ELECTRON_ELKSD128); device.option_add("fbjoy", ELECTRON_FBJOY); device.option_add("fbprint", ELECTRON_FBPRINT); device.option_add("mc68k", ELECTRON_MC68K); device.option_add("mode7", ELECTRON_MODE7); //device.option_add("lebox", ELECTRON_LEBOX); device.option_add("plus1", ELECTRON_PLUS1); device.option_add("plus2", ELECTRON_PLUS2); device.option_add("plus3", ELECTRON_PLUS3); device.option_add("pwrjoy", ELECTRON_PWRJOY); device.option_add("rombox", ELECTRON_ROMBOX); device.option_add("romboxp", ELECTRON_ROMBOXP); device.option_add("sidewndr", ELECTRON_SIDEWNDR); device.option_add("m2105", ELECTRON_M2105); device.option_add("voxbox", ELECTRON_VOXBOX); }