// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Commodore VIC-1010 Expansion Module emulation Copyright MESS Team. Visit http://mamedev.org for licensing and usage restrictions. **********************************************************************/ #include "vic1010.h" //************************************************************************** // DEVICE DEFINITIONS //************************************************************************** const device_type VIC1010 = &device_creator; //------------------------------------------------- // MACHINE_DRIVER( vic1010 ) //------------------------------------------------- static MACHINE_CONFIG_FRAGMENT( vic1010 ) MCFG_VIC20_PASSTHRU_EXPANSION_SLOT_ADD("slot1") MCFG_VIC20_PASSTHRU_EXPANSION_SLOT_ADD("slot2") MCFG_VIC20_PASSTHRU_EXPANSION_SLOT_ADD("slot3") MCFG_VIC20_PASSTHRU_EXPANSION_SLOT_ADD("slot4") MCFG_VIC20_PASSTHRU_EXPANSION_SLOT_ADD("slot5") MCFG_VIC20_PASSTHRU_EXPANSION_SLOT_ADD("slot6") MACHINE_CONFIG_END //------------------------------------------------- // machine_config_additions - device-specific // machine configurations //------------------------------------------------- machine_config_constructor vic1010_device::device_mconfig_additions() const { return MACHINE_CONFIG_NAME( vic1010 ); } //************************************************************************** // LIVE DEVICE //************************************************************************** //------------------------------------------------- // vic1010_device - constructor //------------------------------------------------- vic1010_device::vic1010_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : device_t(mconfig, VIC1010, "VIC1010", tag, owner, clock, "vic1010", __FILE__), device_vic20_expansion_card_interface(mconfig, *this), m_slot1(*this, "slot1"), m_slot2(*this, "slot2"), m_slot3(*this, "slot3"), m_slot4(*this, "slot4"), m_slot5(*this, "slot5"), m_slot6(*this, "slot6") { } //------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- void vic1010_device::device_start() { // find devices m_expansion_slot[0] = m_slot1; m_expansion_slot[1] = m_slot2; m_expansion_slot[2] = m_slot3; m_expansion_slot[3] = m_slot4; m_expansion_slot[4] = m_slot5; m_expansion_slot[5] = m_slot6; } //------------------------------------------------- // device_reset - device-specific reset //------------------------------------------------- void vic1010_device::device_reset() { for (int i = 0; i < MAX_SLOTS; i++) { m_expansion_slot[i]->reset(); } } //------------------------------------------------- // vic20_cd_r - cartridge data read //------------------------------------------------- UINT8 vic1010_device::vic20_cd_r(address_space &space, offs_t offset, UINT8 data, int ram1, int ram2, int ram3, int blk1, int blk2, int blk3, int blk5, int io2, int io3) { for (int i = 0; i < MAX_SLOTS; i++) { UINT8 slot_data = m_expansion_slot[i]->cd_r(space, offset, data, ram1, ram2, ram3, blk1, blk2, blk3, blk5, io2, io3); if (data != slot_data) { data = slot_data; } } return data; } //------------------------------------------------- // vic20_cd_w - cartridge data write //------------------------------------------------- void vic1010_device::vic20_cd_w(address_space &space, offs_t offset, UINT8 data, int ram1, int ram2, int ram3, int blk1, int blk2, int blk3, int blk5, int io2, int io3) { for (int i = 0; i < MAX_SLOTS; i++) { m_expansion_slot[i]->cd_w(space, offset, data, ram1, ram2, ram3, blk1, blk2, blk3, blk5, io2, io3); } }