// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Final Cartridge emulation **********************************************************************/ #include "emu.h" #include "final.h" //************************************************************************** // DEVICE DEFINITIONS //************************************************************************** DEFINE_DEVICE_TYPE(C64_FINAL, c64_final_cartridge_device, "c64_final", "C64 Final Cartridge") //------------------------------------------------- // INPUT_CHANGED_MEMBER( freeze ) //------------------------------------------------- INPUT_CHANGED_MEMBER( c64_final_cartridge_device::freeze ) { if (newval) { m_game = 0; } m_slot->nmi_w(newval); } //------------------------------------------------- // INPUT_PORTS( c64_final ) //------------------------------------------------- static INPUT_PORTS_START( c64_final ) PORT_START("SW") 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) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Freeze") PORT_CODE(KEYCODE_F12) PORT_CHANGED_MEMBER(DEVICE_SELF, c64_final_cartridge_device, freeze, 0) INPUT_PORTS_END //------------------------------------------------- // input_ports - device-specific input ports //------------------------------------------------- ioport_constructor c64_final_cartridge_device::device_input_ports() const { return INPUT_PORTS_NAME( c64_final ); } //************************************************************************** // LIVE DEVICE //************************************************************************** //------------------------------------------------- // c64_final_cartridge_device - constructor //------------------------------------------------- c64_final_cartridge_device::c64_final_cartridge_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : device_t(mconfig, C64_FINAL, tag, owner, clock), device_c64_expansion_card_interface(mconfig, *this) { } //------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- void c64_final_cartridge_device::device_start() { } //------------------------------------------------- // device_reset - device-specific reset //------------------------------------------------- void c64_final_cartridge_device::device_reset() { m_exrom = 0; m_game = 0; } //------------------------------------------------- // c64_cd_r - cartridge data read //------------------------------------------------- uint8_t c64_final_cartridge_device::c64_cd_r(offs_t offset, uint8_t data, int sphi2, int ba, int roml, int romh, int io1, int io2) { if (!roml || !romh || !io1 || !io2) { data = m_roml[offset & 0x3fff]; } if (!io1) { m_game = 1; m_exrom = 1; } else if (!io2) { m_exrom = 0; m_game = 0; } return data; } //------------------------------------------------- // c64_cd_w - cartridge data write //------------------------------------------------- void c64_final_cartridge_device::c64_cd_w(offs_t offset, uint8_t data, int sphi2, int ba, int roml, int romh, int io1, int io2) { if (!io1) { m_game = 1; m_exrom = 1; } else if (!io2) { m_exrom = 0; m_game = 0; } }