// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Access Software MACH 5 cartridge emulation Copyright MESS Team. Visit http://mamedev.org for licensing and usage restrictions. **********************************************************************/ #include "mach5.h" //************************************************************************** // DEVICE DEFINITIONS //************************************************************************** const device_type C64_MACH5 = &device_creator; //------------------------------------------------- // INPUT_PORTS( c64_mach5 ) //------------------------------------------------- static INPUT_PORTS_START( c64_mach5 ) PORT_START("S1") PORT_DIPNAME( 0x01, 0x00, "Mode" ) PORT_DIPSETTING( 0x00, "C64" ) PORT_DIPSETTING( 0x01, "C128" ) PORT_START("S2") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("Reset") PORT_CODE(KEYCODE_F11) PORT_WRITE_LINE_DEVICE_MEMBER(DEVICE_SELF_OWNER, c64_expansion_slot_device, reset_w) INPUT_PORTS_END //------------------------------------------------- // input_ports - device-specific input ports //------------------------------------------------- ioport_constructor c64_mach5_cartridge_device::device_input_ports() const { return INPUT_PORTS_NAME( c64_mach5 ); } //************************************************************************** // LIVE DEVICE //************************************************************************** //------------------------------------------------- // c64_mach5_cartridge_device - constructor //------------------------------------------------- c64_mach5_cartridge_device::c64_mach5_cartridge_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : device_t(mconfig, C64_MACH5, "C64 MACH5 cartridge", tag, owner, clock, "c64_mach5", __FILE__), device_c64_expansion_card_interface(mconfig, *this), m_s1(*this, "S1") { } //------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- void c64_mach5_cartridge_device::device_start() { } //------------------------------------------------- // device_reset - device-specific reset //------------------------------------------------- void c64_mach5_cartridge_device::device_reset() { m_c128 = m_s1->read(); if (!m_c128) { m_exrom = 0; } } //------------------------------------------------- // c64_cd_r - cartridge data read //------------------------------------------------- UINT8 c64_mach5_cartridge_device::c64_cd_r(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2) { if (!roml || !romh || !io1 || !io2) { data = m_roml[offset & 0x1fff]; } return data; } //------------------------------------------------- // c64_cd_w - cartridge data write //------------------------------------------------- void c64_mach5_cartridge_device::c64_cd_w(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2) { if (!m_c128) { if (!io1) { m_exrom = 0; } else if (!io2) { m_exrom = 1; } } }