mirror of
https://github.com/holub/mame
synced 2025-06-04 03:46:29 +03:00
2a89da877b
- Replace comparisons of software_entry() or part_entry() with nullptr with loaded_through_softlist() predicate. - Eliminate the superfluous m_software_info_ptr member. The software_entry() accessor is still provided, but now rarely used. - Eliminate two of the three arguments to load_software_part. - Remove some unnecessary auto-typing in ui/inifile.cpp.
434 lines
12 KiB
C++
434 lines
12 KiB
C++
// license:BSD-3-Clause
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// copyright-holders:Curt Coder
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/**********************************************************************
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Commodore 64 Expansion Port emulation
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**********************************************************************/
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#include "emu.h"
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#include "exp.h"
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//**************************************************************************
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// DEVICE DEFINITIONS
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//**************************************************************************
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const device_type C64_EXPANSION_SLOT = &device_creator<c64_expansion_slot_device>;
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//**************************************************************************
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// DEVICE C64_EXPANSION CARD INTERFACE
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//**************************************************************************
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//-------------------------------------------------
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// device_c64_expansion_card_interface - constructor
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//-------------------------------------------------
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device_c64_expansion_card_interface::device_c64_expansion_card_interface(const machine_config &mconfig, device_t &device)
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: device_slot_card_interface(mconfig, device),
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m_roml(*this, "roml"),
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m_romh(*this, "romh"),
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m_nvram(*this, "nvram"),
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m_game(1),
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m_exrom(1)
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{
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m_slot = dynamic_cast<c64_expansion_slot_device *>(device.owner());
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}
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//-------------------------------------------------
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// ~device_c64_expansion_card_interface - destructor
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//-------------------------------------------------
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device_c64_expansion_card_interface::~device_c64_expansion_card_interface()
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{
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}
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//**************************************************************************
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// LIVE DEVICE
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//**************************************************************************
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//-------------------------------------------------
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// c64_expansion_slot_device - constructor
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//-------------------------------------------------
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c64_expansion_slot_device::c64_expansion_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
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device_t(mconfig, C64_EXPANSION_SLOT, "C64 expansion port", tag, owner, clock, "c64_expansion_slot", __FILE__),
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device_slot_interface(mconfig, *this),
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device_image_interface(mconfig, *this),
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m_read_dma_cd(*this),
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m_write_dma_cd(*this),
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m_write_irq(*this),
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m_write_nmi(*this),
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m_write_dma(*this),
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m_write_reset(*this), m_card(nullptr), m_hiram(0)
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{
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}
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//-------------------------------------------------
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// device_start - device-specific startup
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//-------------------------------------------------
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void c64_expansion_slot_device::device_start()
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{
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m_card = dynamic_cast<device_c64_expansion_card_interface *>(get_card_device());
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// resolve callbacks
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m_read_dma_cd.resolve_safe(0);
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m_write_dma_cd.resolve_safe();
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m_write_irq.resolve_safe();
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m_write_nmi.resolve_safe();
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m_write_dma.resolve_safe();
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m_write_reset.resolve_safe();
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// inherit bus clock
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if (clock() == 0)
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{
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c64_expansion_slot_device *root = machine().device<c64_expansion_slot_device>(C64_EXPANSION_SLOT_TAG);
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assert(root);
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set_unscaled_clock(root->clock());
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}
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}
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//-------------------------------------------------
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// device_reset - device-specific reset
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//-------------------------------------------------
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void c64_expansion_slot_device::device_reset()
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{
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if (get_card_device())
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{
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get_card_device()->reset();
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}
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}
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//-------------------------------------------------
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// call_load -
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//-------------------------------------------------
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image_init_result c64_expansion_slot_device::call_load()
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{
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if (m_card)
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{
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size_t size;
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if (!loaded_through_softlist())
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{
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size = length();
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if (is_filetype("80"))
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{
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fread(m_card->m_roml, size);
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m_card->m_exrom = (0);
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if (size == 0x4000)
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{
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m_card->m_game = 0;
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}
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}
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else if (is_filetype("a0"))
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{
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fread(m_card->m_romh, 0x2000);
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m_card->m_exrom = 0;
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m_card->m_game = 0;
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}
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else if (is_filetype("e0"))
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{
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fread(m_card->m_romh, 0x2000);
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m_card->m_game = 0;
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}
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else if (is_filetype("crt"))
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{
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size_t roml_size = 0;
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size_t romh_size = 0;
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int exrom = 1;
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int game = 1;
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if (cbm_crt_read_header(*m_file, &roml_size, &romh_size, &exrom, &game))
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{
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uint8_t *roml = nullptr;
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uint8_t *romh = nullptr;
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m_card->m_roml.allocate(roml_size);
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m_card->m_romh.allocate(romh_size);
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if (roml_size) roml = m_card->m_roml;
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if (romh_size) romh = m_card->m_roml;
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cbm_crt_read_data(*m_file, roml, romh);
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}
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m_card->m_exrom = exrom;
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m_card->m_game = game;
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}
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}
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else
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{
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size = get_software_region_length("uprom");
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if (size)
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{
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// Ultimax (VIC-10) cartridge
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load_software_region("lorom", m_card->m_roml);
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load_software_region("uprom", m_card->m_romh);
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m_card->m_exrom = 1;
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m_card->m_game = 0;
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}
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else
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{
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// Commodore 64/128 cartridge
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load_software_region("roml", m_card->m_roml);
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load_software_region("romh", m_card->m_romh);
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load_software_region("nvram", m_card->m_nvram);
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if (get_feature("exrom") != nullptr) m_card->m_exrom = atol(get_feature("exrom"));
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if (get_feature("game") != nullptr) m_card->m_game = atol(get_feature("game"));
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}
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}
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}
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return image_init_result::PASS;
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}
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//-------------------------------------------------
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// get_default_card_software -
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//-------------------------------------------------
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std::string c64_expansion_slot_device::get_default_card_software()
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{
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if (open_image_file(mconfig().options()))
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{
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if (is_filetype("crt"))
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return cbm_crt_get_card(*m_file);
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clear();
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}
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return software_get_default_slot("standard");
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}
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//-------------------------------------------------
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// cd_r - cartridge data read
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//-------------------------------------------------
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uint8_t c64_expansion_slot_device::cd_r(address_space &space, offs_t offset, uint8_t data, int sphi2, int ba, int roml, int romh, int io1, int io2)
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{
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if (m_card != nullptr)
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{
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data = m_card->c64_cd_r(space, offset, data, sphi2, ba, roml, romh, io1, io2);
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}
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return data;
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}
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//-------------------------------------------------
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// cd_w - cartridge data write
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//-------------------------------------------------
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void c64_expansion_slot_device::cd_w(address_space &space, offs_t offset, uint8_t data, int sphi2, int ba, int roml, int romh, int io1, int io2)
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{
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if (m_card != nullptr)
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{
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m_card->c64_cd_w(space, offset, data, sphi2, ba, roml, romh, io1, io2);
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}
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}
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//-------------------------------------------------
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// game_r - GAME read
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//-------------------------------------------------
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int c64_expansion_slot_device::game_r(offs_t offset, int sphi2, int ba, int rw, int hiram)
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{
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int state = 1;
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m_hiram = hiram;
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if (m_card != nullptr)
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{
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state = m_card->c64_game_r(offset, sphi2, ba, rw);
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}
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return state;
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}
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//-------------------------------------------------
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// exrom_r - EXROM read
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//-------------------------------------------------
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int c64_expansion_slot_device::exrom_r(offs_t offset, int sphi2, int ba, int rw, int hiram)
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{
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int state = 1;
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m_hiram = hiram;
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if (m_card != nullptr)
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{
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state = m_card->c64_exrom_r(offset, sphi2, ba, rw);
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}
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return state;
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}
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//-------------------------------------------------
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// SLOT_INTERFACE( c64_expansion_cards )
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//-------------------------------------------------
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// slot devices
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#include "16kb.h"
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#include "c128_comal80.h"
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#include "c128_partner.h"
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#include "comal80.h"
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#include "cpm.h"
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#include "currah_speech.h"
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#include "dela_ep256.h"
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#include "dela_ep64.h"
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#include "dela_ep7x8.h"
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#include "dinamic.h"
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#include "dqbb.h"
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#include "easy_calc_result.h"
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#include "easyflash.h"
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#include "epyx_fast_load.h"
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#include "exos.h"
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#include "fcc.h"
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#include "final.h"
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#include "final3.h"
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#include "fun_play.h"
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#include "georam.h"
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#include "ide64.h"
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#include "ieee488.h"
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#include "kingsoft.h"
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#include "mach5.h"
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#include "magic_desk.h"
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#include "magic_formel.h"
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#include "magic_voice.h"
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#include "midi_maplin.h"
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#include "midi_namesoft.h"
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#include "midi_passport.h"
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#include "midi_sci.h"
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#include "midi_siel.h"
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#include "mikro_assembler.h"
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#include "multiscreen.h"
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#include "music64.h"
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#include "neoram.h"
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#include "ocean.h"
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#include "pagefox.h"
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#include "partner.h"
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#include "prophet64.h"
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#include "ps64.h"
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#include "reu.h"
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#include "rex.h"
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#include "rex_ep256.h"
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#include "ross.h"
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#include "sfx_sound_expander.h"
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#include "silverrock.h"
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#include "simons_basic.h"
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#include "speakeasy.h"
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#include "stardos.h"
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#include "std.h"
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#include "structured_basic.h"
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#include "super_explode.h"
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#include "super_games.h"
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#include "supercpu.h"
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#include "sw8k.h"
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#include "swiftlink.h"
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#include "system3.h"
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#include "tdos.h"
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#include "turbo232.h"
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#include "vizastar.h"
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#include "vw64.h"
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#include "warp_speed.h"
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#include "westermann.h"
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#include "xl80.h"
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#include "zaxxon.h"
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SLOT_INTERFACE_START( c64_expansion_cards )
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SLOT_INTERFACE("16k", C64_16KB)
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SLOT_INTERFACE("cpm", C64_CPM)
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SLOT_INTERFACE("dqbb", C64_DQBB)
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SLOT_INTERFACE("easyflash", C64_EASYFLASH)
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SLOT_INTERFACE("georam", C64_GEORAM)
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SLOT_INTERFACE("ide64", C64_IDE64)
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SLOT_INTERFACE("midimap", C64_MIDI_MAPLIN)
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SLOT_INTERFACE("midins", C64_MIDI_NAMESOFT)
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SLOT_INTERFACE("midipp", C64_MIDI_PASSPORT)
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SLOT_INTERFACE("midisci", C64_MIDI_SCI)
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SLOT_INTERFACE("midisiel", C64_MIDI_SIEL)
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SLOT_INTERFACE("music64", C64_MUSIC64)
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SLOT_INTERFACE("neoram", C64_NEORAM)
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SLOT_INTERFACE("reu1700", C64_REU1700)
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SLOT_INTERFACE("reu1750", C64_REU1750)
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SLOT_INTERFACE("reu1764", C64_REU1764)
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SLOT_INTERFACE("sfxse", C64_SFX_SOUND_EXPANDER)
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SLOT_INTERFACE("speakez", C64_SPEAKEASY)
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SLOT_INTERFACE("supercpu", C64_SUPERCPU)
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SLOT_INTERFACE("swiftlink", C64_SWIFTLINK)
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SLOT_INTERFACE("turbo232", C64_TURBO232)
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// the following need ROMs from the software list
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SLOT_INTERFACE_INTERNAL("standard", C64_STD)
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SLOT_INTERFACE_INTERNAL("comal80", C64_COMAL80)
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SLOT_INTERFACE_INTERNAL("c128_comal80", C128_COMAL80)
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SLOT_INTERFACE_INTERNAL("cs64", C64_CURRAH_SPEECH)
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SLOT_INTERFACE_INTERNAL("dela_ep256", C64_DELA_EP256)
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SLOT_INTERFACE_INTERNAL("ep64", C64_DELA_EP64)
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SLOT_INTERFACE_INTERNAL("ep7x8", C64_DELA_EP7X8)
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SLOT_INTERFACE_INTERNAL("dinamic", C64_DINAMIC)
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SLOT_INTERFACE_INTERNAL("easycalcres", C64_EASY_CALC_RESULT)
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SLOT_INTERFACE_INTERNAL("epyxfastload", C64_EPYX_FAST_LOAD)
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SLOT_INTERFACE_INTERNAL("exos", C64_EXOS)
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SLOT_INTERFACE_INTERNAL("fcc", C64_FCC)
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SLOT_INTERFACE_INTERNAL("final", C64_FINAL)
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SLOT_INTERFACE_INTERNAL("final3", C64_FINAL3)
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SLOT_INTERFACE_INTERNAL("fun_play", C64_FUN_PLAY)
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SLOT_INTERFACE_INTERNAL("ieee488", C64_IEEE488)
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SLOT_INTERFACE_INTERNAL("kingsoft", C64_KINGSOFT)
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SLOT_INTERFACE_INTERNAL("mach5", C64_MACH5)
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SLOT_INTERFACE_INTERNAL("magic_desk", C64_MAGIC_DESK)
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SLOT_INTERFACE_INTERNAL("magic_formel", C64_MAGIC_FORMEL)
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SLOT_INTERFACE_INTERNAL("magic_voice", C64_MAGIC_VOICE)
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SLOT_INTERFACE_INTERNAL("mikroasm", C64_MIKRO_ASSEMBLER)
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SLOT_INTERFACE_INTERNAL("multiscreen", C64_MULTISCREEN)
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SLOT_INTERFACE_INTERNAL("ocean", C64_OCEAN)
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SLOT_INTERFACE_INTERNAL("pagefox", C64_PAGEFOX)
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SLOT_INTERFACE_INTERNAL("partner", C64_PARTNER)
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SLOT_INTERFACE_INTERNAL("partner128", C128_PARTNER)
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SLOT_INTERFACE_INTERNAL("prophet64", C64_PROPHET64)
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SLOT_INTERFACE_INTERNAL("ps64", C64_PS64)
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SLOT_INTERFACE_INTERNAL("rex", C64_REX)
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SLOT_INTERFACE_INTERNAL("rex_ep256", C64_REX_EP256)
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SLOT_INTERFACE_INTERNAL("ross", C64_ROSS)
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SLOT_INTERFACE_INTERNAL("silverrock", C64_SILVERROCK)
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SLOT_INTERFACE_INTERNAL("simons_basic", C64_SIMONS_BASIC)
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SLOT_INTERFACE_INTERNAL("stardos", C64_STARDOS)
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SLOT_INTERFACE_INTERNAL("struct_basic", C64_STRUCTURED_BASIC)
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SLOT_INTERFACE_INTERNAL("super_explode", C64_SUPER_EXPLODE)
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SLOT_INTERFACE_INTERNAL("super_games", C64_SUPER_GAMES)
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SLOT_INTERFACE_INTERNAL("sw8k", C64_SW8K)
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SLOT_INTERFACE_INTERNAL("system3", C64_SYSTEM3)
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SLOT_INTERFACE_INTERNAL("tdos", C64_TDOS)
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SLOT_INTERFACE_INTERNAL("vizastar", C64_VIZASTAR)
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SLOT_INTERFACE_INTERNAL("vizawrite", C64_VW64)
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SLOT_INTERFACE_INTERNAL("warp_speed", C64_WARP_SPEED)
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SLOT_INTERFACE_INTERNAL("westermann", C64_WESTERMANN)
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SLOT_INTERFACE_INTERNAL("zaxxon", C64_ZAXXON)
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SLOT_INTERFACE_INTERNAL("xl80", C64_XL80)
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SLOT_INTERFACE_END
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