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https://github.com/holub/mame
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c64: Added skeleton for BusCard cartridge. [Curt Coder]
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Curt Coder
parent
759a514102
commit
8050b0c466
@ -475,6 +475,8 @@ if (BUSES["C64"]~=null) then
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files {
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MAME_DIR .. "src/devices/bus/c64/exp.cpp",
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MAME_DIR .. "src/devices/bus/c64/exp.h",
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MAME_DIR .. "src/devices/bus/c64/buscard.cpp",
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MAME_DIR .. "src/devices/bus/c64/buscard.h",
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MAME_DIR .. "src/devices/bus/c64/c128_comal80.cpp",
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MAME_DIR .. "src/devices/bus/c64/c128_comal80.h",
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MAME_DIR .. "src/devices/bus/c64/c128_partner.cpp",
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174
src/devices/bus/c64/buscard.cpp
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174
src/devices/bus/c64/buscard.cpp
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@ -0,0 +1,174 @@
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// license:BSD-3-Clause
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// copyright-holders:Curt Coder
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/**********************************************************************
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Batteries Included BusCard cartridge emulation
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Enable BASIC 4.0 with SYS 61000
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Disable BASIC 4.0 with SYS 61003
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**********************************************************************/
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#include "emu.h"
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#include "buscard.h"
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//**************************************************************************
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// MACROS/CONSTANTS
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//**************************************************************************
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#define I8255_TAG "i8255"
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#define CENTRONICS_TAG "centronics"
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#define EXPANSION_TAG "exp"
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//**************************************************************************
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// DEVICE DEFINITIONS
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//**************************************************************************
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DEFINE_DEVICE_TYPE(C64_BUSCARD, buscard_t, "c64_buscard", "C64 BusCard cartridge")
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//-------------------------------------------------
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// ROM( buscard )
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//-------------------------------------------------
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ROM_START( buscard )
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ROM_REGION( 0x2000, "rom", 0 )
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ROM_LOAD( "buscardv0.9-tms2564.bin", 0x0000, 0x2000, CRC(175e8c96) SHA1(8fb4ba7e3d0b58dc01b66ef962955596f1b125b5) )
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ROM_END
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//-------------------------------------------------
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// rom_region - device-specific ROM region
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//-------------------------------------------------
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const tiny_rom_entry *buscard_t::device_rom_region() const
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{
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return ROM_NAME( buscard );
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}
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//-------------------------------------------------
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// INPUT_PORTS( buscard )
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//-------------------------------------------------
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static INPUT_PORTS_START( buscard )
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PORT_START("SW")
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PORT_DIPUNKNOWN_DIPLOC( 0x01, 0x01, "SW:1" )
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PORT_DIPUNKNOWN_DIPLOC( 0x02, 0x02, "SW:2" )
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PORT_DIPUNKNOWN_DIPLOC( 0x04, 0x04, "SW:3" )
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PORT_DIPUNKNOWN_DIPLOC( 0x08, 0x08, "SW:4" )
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PORT_DIPUNKNOWN_DIPLOC( 0x10, 0x10, "SW:5" )
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PORT_DIPUNKNOWN_DIPLOC( 0x20, 0x20, "SW:6" )
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PORT_DIPUNKNOWN_DIPLOC( 0x40, 0x40, "SW:7" )
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PORT_DIPUNKNOWN_DIPLOC( 0x80, 0x80, "SW:8" )
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INPUT_PORTS_END
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//-------------------------------------------------
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// input_ports - device-specific input ports
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//-------------------------------------------------
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ioport_constructor buscard_t::device_input_ports() const
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{
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return INPUT_PORTS_NAME( buscard );
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}
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//-------------------------------------------------
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// device_add_mconfig - add device configuration
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//-------------------------------------------------
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void buscard_t::device_add_mconfig(machine_config &config)
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{
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I8255A(config, m_ppi, 0);
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IEEE488(config, m_bus, 0);
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ieee488_slot_device::add_cbm_defaults(config, nullptr);
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CENTRONICS(config, m_centronics, centronics_devices, nullptr);
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C64_EXPANSION_SLOT(config, m_exp, DERIVED_CLOCK(1, 1), c64_expansion_cards, nullptr);
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m_exp->set_passthrough();
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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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// buscard_t - constructor
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//-------------------------------------------------
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buscard_t::buscard_t(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
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device_t(mconfig, C64_BUSCARD, tag, owner, clock),
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device_c64_expansion_card_interface(mconfig, *this),
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m_ppi(*this, I8255_TAG),
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m_bus(*this, IEEE488_TAG),
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m_centronics(*this, CENTRONICS_TAG),
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m_exp(*this, EXPANSION_TAG)
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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 buscard_t::device_start()
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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 buscard_t::device_reset()
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{
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}
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//-------------------------------------------------
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// c64_cd_r - cartridge data read
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//-------------------------------------------------
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uint8_t buscard_t::c64_cd_r(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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return m_exp->cd_r(offset, data, sphi2, ba, roml, romh, io1, io2);
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}
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//-------------------------------------------------
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// c64_cd_w - cartridge data write
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//-------------------------------------------------
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void buscard_t::c64_cd_w(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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m_exp->cd_w(offset, data, sphi2, ba, roml, romh, io1, io2);
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}
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//-------------------------------------------------
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// c64_game_r - cartridge GAME read
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//-------------------------------------------------
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int buscard_t::c64_game_r(offs_t offset, int sphi2, int ba, int rw)
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{
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return m_exp->game_r(offset, sphi2, ba, rw, m_slot->hiram());
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}
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//-------------------------------------------------
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// c64_exrom_r - cartridge EXROM read
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//-------------------------------------------------
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int buscard_t::c64_exrom_r(offs_t offset, int sphi2, int ba, int rw)
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{
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return m_exp->exrom_r(offset, sphi2, ba, rw, m_slot->hiram());
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}
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63
src/devices/bus/c64/buscard.h
Normal file
63
src/devices/bus/c64/buscard.h
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@ -0,0 +1,63 @@
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// license:BSD-3-Clause
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// copyright-holders:Curt Coder
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/**********************************************************************
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Batteries Included BusCard cartridge emulation
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**********************************************************************/
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#ifndef MAME_BUS_C64_BUSCARD_H
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#define MAME_BUS_C64_BUSCARD_H
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#pragma once
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#include "bus/c64/exp.h"
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#include "bus/centronics/ctronics.h"
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#include "bus/ieee488/ieee488.h"
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#include "machine/i8255.h"
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//**************************************************************************
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// TYPE DEFINITIONS
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//**************************************************************************
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// ======================> buscard_t
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class buscard_t : public device_t,
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public device_c64_expansion_card_interface
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{
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public:
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// construction/destruction
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buscard_t(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
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protected:
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// device-level overrides
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virtual void device_start() override;
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virtual void device_reset() override;
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// optional information overrides
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virtual const tiny_rom_entry *device_rom_region() const override;
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virtual void device_add_mconfig(machine_config &config) override;
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virtual ioport_constructor device_input_ports() const override;
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// device_c64_expansion_card_interface overrides
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virtual uint8_t c64_cd_r(offs_t offset, uint8_t data, int sphi2, int ba, int roml, int romh, int io1, int io2) override;
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virtual void c64_cd_w(offs_t offset, uint8_t data, int sphi2, int ba, int roml, int romh, int io1, int io2) override;
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virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw) override;
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virtual int c64_exrom_r(offs_t offset, int sphi2, int ba, int rw) override;
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private:
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required_device<i8255_device> m_ppi;
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required_device<ieee488_device> m_bus;
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required_device<centronics_device> m_centronics;
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required_device<c64_expansion_slot_device> m_exp;
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};
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// device type definition
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DECLARE_DEVICE_TYPE(C64_BUSCARD, buscard_t)
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#endif // MAME_BUS_C64_BUSCARD_H
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@ -304,6 +304,7 @@ void c64_expansion_slot_device::set_passthrough()
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// slot devices
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#include "16kb.h"
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#include "buscard.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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@ -393,6 +394,7 @@ void c64_expansion_cards(device_slot_interface &device)
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device.option_add("supercpu", C64_SUPERCPU);
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device.option_add("swiftlink", C64_SWIFTLINK);
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device.option_add("turbo232", C64_TURBO232);
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device.option_add("buscard", C64_BUSCARD);
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// the following need ROMs from the software list
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device.option_add_internal("standard", C64_STD);
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