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c64: Added skeleton for BusCard II cartridge. [Curt Coder]
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Curt Coder
parent
582b9e279f
commit
e25255a525
@ -485,6 +485,8 @@ if (BUSES["C64"]~=null) then
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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/buscard2.cpp",
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MAME_DIR .. "src/devices/bus/c64/buscard2.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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215
src/devices/bus/c64/buscard2.cpp
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215
src/devices/bus/c64/buscard2.cpp
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@ -0,0 +1,215 @@
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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 II cartridge emulation
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SYS 61000 -> Enable BASIC 4.0
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SYS 61003 -> Disable BASIC 4.0
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SYS 61006 -> Enter Machine Language Monitor
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**********************************************************************/
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#include "emu.h"
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#include "buscard2.h"
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//**************************************************************************
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// MACROS/CONSTANTS
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//**************************************************************************
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#define R6532_TAG "riot"
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#define MC6821_TAG "pia"
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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_BUSCARD2, buscard2_t, "c64_buscard2", "C64 BusCard II cartridge")
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//-------------------------------------------------
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// ROM( buscard2 )
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//-------------------------------------------------
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ROM_START( buscard2 ) // dumps coming soon
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ROM_REGION( 0x2000, "rom", 0 )
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ROM_LOAD( "2764.bin", 0x0000, 0x2000, NO_DUMP )
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ROM_REGION( 0x200, "prom", 0 )
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ROM_LOAD( "82s129.1", 0x000, 0x100, NO_DUMP )
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ROM_LOAD( "82s129.2", 0x100, 0x100, NO_DUMP )
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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 *buscard2_t::device_rom_region() const
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{
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return ROM_NAME( buscard2 );
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}
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//-------------------------------------------------
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// INPUT_PORTS( buscard2 )
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//-------------------------------------------------
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static INPUT_PORTS_START( buscard2 )
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PORT_START("S1")
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PORT_DIPNAME( 0x03, 0x00, "Device #4" ) PORT_DIPLOCATION("S1:1,2")
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PORT_DIPSETTING( 0x00, "Serial" )
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PORT_DIPSETTING( 0x01, "Parallel w/conv." )
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PORT_DIPSETTING( 0x02, "IEEE" )
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PORT_DIPSETTING( 0x03, "Parallel" )
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PORT_DIPNAME( 0x04, 0x04, "Device #5" ) PORT_DIPLOCATION("S1:3")
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PORT_DIPSETTING( 0x00, "IEEE" )
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PORT_DIPSETTING( 0x04, "Serial" )
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PORT_DIPNAME( 0x08, 0x08, "Device #6" ) PORT_DIPLOCATION("S1:4")
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PORT_DIPSETTING( 0x00, "IEEE" )
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PORT_DIPSETTING( 0x08, "Serial" )
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PORT_DIPNAME( 0x10, 0x10, "Device #7" ) PORT_DIPLOCATION("S1:5")
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PORT_DIPSETTING( 0x00, "IEEE" )
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PORT_DIPSETTING( 0x10, "Serial" )
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PORT_DIPNAME( 0x20, 0x20, "Device #8" ) PORT_DIPLOCATION("S1:6")
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PORT_DIPSETTING( 0x00, "IEEE" )
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PORT_DIPSETTING( 0x20, "Serial" )
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PORT_DIPNAME( 0x40, 0x40, "Device #9" ) PORT_DIPLOCATION("S1:7")
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PORT_DIPSETTING( 0x00, "IEEE" )
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PORT_DIPSETTING( 0x40, "Serial" )
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PORT_DIPNAME( 0x80, 0x80, "Device #10" ) PORT_DIPLOCATION("S1:8")
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PORT_DIPSETTING( 0x00, "IEEE" )
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PORT_DIPSETTING( 0x80, "Serial" )
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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 buscard2_t::device_input_ports() const
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{
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return INPUT_PORTS_NAME( buscard2 );
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}
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//-------------------------------------------------
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// Centronics interface
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//-------------------------------------------------
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WRITE_LINE_MEMBER( buscard2_t::busy_w )
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{
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m_busy = state;
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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 buscard2_t::device_add_mconfig(machine_config &config)
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{
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RIOT6532(config, m_riot, 0);
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PIA6821(config, m_pia, 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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m_centronics->busy_handler().set(FUNC(buscard2_t::busy_w));
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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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// buscard2_t - constructor
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//-------------------------------------------------
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buscard2_t::buscard2_t(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
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device_t(mconfig, C64_BUSCARD2, tag, owner, clock),
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device_c64_expansion_card_interface(mconfig, *this),
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m_riot(*this, R6532_TAG),
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m_pia(*this, MC6821_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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m_s1(*this, "S1"),
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m_rom(*this, "rom"),
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m_prom(*this, "prom"),
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m_busy(1)
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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 buscard2_t::device_start()
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{
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// state saving
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save_item(NAME(m_busy));
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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 buscard2_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 buscard2_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 buscard2_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 buscard2_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->loram(), 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 buscard2_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->loram(), m_slot->hiram());
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}
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72
src/devices/bus/c64/buscard2.h
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72
src/devices/bus/c64/buscard2.h
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@ -0,0 +1,72 @@
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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 II cartridge emulation
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**********************************************************************/
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#ifndef MAME_BUS_C64_BUSCARD2_H
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#define MAME_BUS_C64_BUSCARD2_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/6532riot.h"
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#include "machine/6821pia.h"
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//**************************************************************************
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// TYPE DEFINITIONS
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//**************************************************************************
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// ======================> buscard2_t
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class buscard2_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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buscard2_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<riot6532_device> m_riot;
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required_device<pia6821_device> m_pia;
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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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required_ioport m_s1;
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required_memory_region m_rom;
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required_memory_region m_prom;
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bool m_busy;
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DECLARE_WRITE_LINE_MEMBER( busy_w );
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};
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// device type definition
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DECLARE_DEVICE_TYPE(C64_BUSCARD2, buscard2_t)
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#endif // MAME_BUS_C64_BUSCARD_H
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@ -309,6 +309,7 @@ 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 "buscard2.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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@ -399,6 +400,7 @@ void c64_expansion_cards(device_slot_interface &device)
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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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device.option_add("buscard2", C64_BUSCARD2);
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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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