// license:BSD-3-Clause // copyright-holders:Barry Rodewald /* Dobbertin Smartwatch Created: 23/2/2015 TODO: setting the time (requires the DS1315 core to be able to do this, at the moment it just reads the current time) */ #include "emu.h" #include "smartwatch.h" //************************************************************************** // DEVICE DEFINITIONS //************************************************************************** DEFINE_DEVICE_TYPE(CPC_SMARTWATCH, cpc_smartwatch_device, "cpc_smartwatch", "Dobbertin Smartwatch") void cpc_smartwatch_device::device_add_mconfig(machine_config &config) { DS1315(config, m_rtc, 0); // no pass-through (?) } ROM_START( cpc_smartwatch ) ROM_REGION( 0x4000, "exp_rom", 0 ) ROM_LOAD( "timerom+.rom", 0x0000, 0x4000, CRC(ed42a147) SHA1(61750d0535a1fbf2a4addad9def332cbcf8917c3) ) ROM_END const tiny_rom_entry *cpc_smartwatch_device::device_rom_region() const { return ROM_NAME( cpc_smartwatch ); } //************************************************************************** // LIVE DEVICE //************************************************************************** cpc_smartwatch_device::cpc_smartwatch_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : device_t(mconfig, CPC_SMARTWATCH, tag, owner, clock), device_cpc_expansion_card_interface(mconfig, *this), m_slot(nullptr), m_rtc(*this,"rtc"), m_bank(nullptr) { } //------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- void cpc_smartwatch_device::device_start() { m_slot = dynamic_cast(owner()); } //------------------------------------------------- // device_reset - device-specific reset //------------------------------------------------- void cpc_smartwatch_device::device_reset() { address_space &space = m_slot->cpu().space(AS_PROGRAM); space.install_read_handler(0xc000,0xc001, read8sm_delegate(*this, FUNC(cpc_smartwatch_device::rtc_w))); space.install_read_handler(0xc004,0xc004, read8smo_delegate(*this, FUNC(cpc_smartwatch_device::rtc_r))); m_bank = membank(":bank7"); } uint8_t cpc_smartwatch_device::rtc_w(offs_t offset) { uint8_t* bank = (uint8_t*)m_bank->base(); if (!machine().side_effects_disabled()) { if(offset & 1) m_rtc->read_1(); else m_rtc->read_0(); } return bank[offset & 1]; } uint8_t cpc_smartwatch_device::rtc_r() { uint8_t* bank = (uint8_t*)m_bank->base(); return (bank[4] & 0xfe) | (m_rtc->read_data() & 0x01); }