// license:BSD-3-Clause // copyright-holders:Nigel Barnes /********************************************************************** Spectrum +2 Test Software **********************************************************************/ #include "emu.h" #include "plus2test.h" //************************************************************************** // DEVICE DEFINITIONS //************************************************************************** DEFINE_DEVICE_TYPE(SPECTRUM_PLUS2TEST, spectrum_plus2test_device, "spectrum_plus2test", "Spectrum +2 Test Software") //------------------------------------------------- // ROM( plus2test ) //------------------------------------------------- ROM_START( plus2test ) ROM_REGION(0x4000, "rom", 0) ROM_LOAD("plus2test.rom", 0x0000, 0x2000, CRC(6bbe1079) SHA1(2ed54f8ccf1ef26045bb409bb86c859ee23e83d1)) ROM_END //------------------------------------------------- // rom_region - device-specific ROM region //------------------------------------------------- const tiny_rom_entry *spectrum_plus2test_device::device_rom_region() const { return ROM_NAME( plus2test ); } //************************************************************************** // LIVE DEVICE //************************************************************************** //------------------------------------------------- // spectrum_plus2test_device - constructor //------------------------------------------------- spectrum_plus2test_device::spectrum_plus2test_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : device_t(mconfig, SPECTRUM_PLUS2TEST, tag, owner, clock) , device_spectrum_expansion_interface(mconfig, *this) , m_rom(*this, "rom") { } //------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- void spectrum_plus2test_device::device_start() { } //************************************************************************** // IMPLEMENTATION //************************************************************************** READ_LINE_MEMBER(spectrum_plus2test_device::romcs) { return 1; } uint8_t spectrum_plus2test_device::mreq_r(offs_t offset) { return m_rom->base()[offset & 0x3fff]; }