// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** ColecoVision standard cartridge emulation **********************************************************************/ #include "emu.h" #include "std.h" //************************************************************************** // DEVICE DEFINITIONS //************************************************************************** const device_type COLECOVISION_STANDARD = &device_creator; //************************************************************************** // LIVE DEVICE //************************************************************************** //------------------------------------------------- // colecovision_standard_cartridge_device - constructor //------------------------------------------------- colecovision_standard_cartridge_device::colecovision_standard_cartridge_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : device_t(mconfig, COLECOVISION_STANDARD, "ColecoVision standard cartridge", tag, owner, clock, "colecovision_standard", __FILE__), device_colecovision_cartridge_interface(mconfig, *this) { } //------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- void colecovision_standard_cartridge_device::device_start() { } //------------------------------------------------- // read - cartridge data read //------------------------------------------------- uint8_t colecovision_standard_cartridge_device::bd_r(address_space &space, offs_t offset, uint8_t data, int _8000, int _a000, int _c000, int _e000) { if (!_8000 || !_a000 || !_c000 || !_e000) { if (offset < m_rom_size) data = m_rom[offset]; else data = 0xff; } return data; }