// license:BSD-3-Clause // copyright-holders:R. Belmont /*************************************************************************** macpds.c - Mac 68000 PDS implementation (SE, Portable) by R. Belmont ***************************************************************************/ #include "emu.h" #include "macpds.h" //************************************************************************** // GLOBAL VARIABLES //************************************************************************** DEFINE_DEVICE_TYPE(MACPDS_SLOT, macpds_slot_device, "macpds_slot", "Mac 68000 Processor-Direct Slot") //************************************************************************** // LIVE DEVICE //************************************************************************** //------------------------------------------------- // macpds_slot_device - constructor //------------------------------------------------- macpds_slot_device::macpds_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : macpds_slot_device(mconfig, MACPDS_SLOT, tag, owner, clock) { } macpds_slot_device::macpds_slot_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_slot_interface(mconfig, *this), m_macpds_tag(nullptr), m_macpds_slottag(nullptr) { } //------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- void macpds_slot_device::device_start() { device_macpds_card_interface *dev = dynamic_cast(get_card_device()); if (dev) dev->set_macpds_tag(m_macpds_tag, m_macpds_slottag); } //************************************************************************** // GLOBAL VARIABLES //************************************************************************** DEFINE_DEVICE_TYPE(MACPDS, macpds_device, "macpds", "Mac 68000 Processor-Direct Bus") //************************************************************************** // LIVE DEVICE //************************************************************************** //------------------------------------------------- // macpds_device - constructor //------------------------------------------------- macpds_device::macpds_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : macpds_device(mconfig, MACPDS, tag, owner, clock) { } macpds_device::macpds_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock) : device_t(mconfig, type, tag, owner, clock), m_maincpu(nullptr), m_cputag(nullptr) { } //------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- void macpds_device::device_start() { m_maincpu = machine().device(m_cputag); } //------------------------------------------------- // device_reset - device-specific reset //------------------------------------------------- void macpds_device::device_reset() { } void macpds_device::add_macpds_card(device_macpds_card_interface *card) { m_device_list.append(*card); } void macpds_device::install_device(offs_t start, offs_t end, read8_delegate rhandler, write8_delegate whandler, uint32_t mask) { m_maincpu = machine().device(m_cputag); m_maincpu->space(AS_PROGRAM).install_readwrite_handler(start, end, rhandler, whandler, mask); } void macpds_device::install_device(offs_t start, offs_t end, read16_delegate rhandler, write16_delegate whandler, uint32_t mask) { m_maincpu = machine().device(m_cputag); m_maincpu->space(AS_PROGRAM).install_readwrite_handler(start, end, rhandler, whandler, mask); } void macpds_device::install_bank(offs_t start, offs_t end, const char *tag, uint8_t *data) { // printf("install_bank: %s @ %x->%x\n", tag, start, end); m_maincpu = machine().device(m_cputag); address_space &space = m_maincpu->space(AS_PROGRAM); space.install_readwrite_bank(start, end, 0, tag ); machine().root_device().membank(siblingtag(tag).c_str())->set_base(data); } void macpds_device::set_irq_line(int line, int state) { m_maincpu->set_input_line(line, state); } //************************************************************************** // DEVICE CONFIG MACPDS CARD INTERFACE //************************************************************************** //************************************************************************** // DEVICE MACPDS CARD INTERFACE //************************************************************************** //------------------------------------------------- // device_macpds_card_interface - constructor //------------------------------------------------- device_macpds_card_interface::device_macpds_card_interface(const machine_config &mconfig, device_t &device) : device_slot_card_interface(mconfig, device), m_macpds(nullptr), m_macpds_tag(nullptr), m_macpds_slottag(nullptr), m_next(nullptr) { } //------------------------------------------------- // ~device_macpds_card_interface - destructor //------------------------------------------------- device_macpds_card_interface::~device_macpds_card_interface() { } void device_macpds_card_interface::set_macpds_device() { m_macpds = dynamic_cast(device().machine().device(m_macpds_tag)); m_macpds->add_macpds_card(this); } void device_macpds_card_interface::install_bank(offs_t start, offs_t end, const char *tag, uint8_t *data) { char bank[256]; // append an underscore and the slot name to the bank so it's guaranteed unique snprintf(bank, sizeof(bank), "%s_%s", tag, m_macpds_slottag); m_macpds->install_bank(start, end, bank, data); } void device_macpds_card_interface::install_rom(device_t *dev, const char *romregion, uint32_t addr) { uint8_t *rom = device().machine().root_device().memregion(dev->subtag(romregion).c_str())->base(); uint32_t romlen = device().machine().root_device().memregion(dev->subtag(romregion).c_str())->bytes(); char bankname[128]; sprintf(bankname, "rom_%x", addr); m_macpds->install_bank(addr, addr+romlen-1, bankname, rom); }