// 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" SLOT_INTERFACE_EXTERN(cpc_exp_cards); //************************************************************************** // DEVICE DEFINITIONS //************************************************************************** const device_type CPC_SMARTWATCH = device_creator; static MACHINE_CONFIG_FRAGMENT( cpc_smartwatch ) MCFG_DS1315_ADD("rtc") // no pass-through (?) MACHINE_CONFIG_END machine_config_constructor cpc_smartwatch_device::device_mconfig_additions() const { return MACHINE_CONFIG_NAME( cpc_smartwatch ); } 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, "Dobbertin Smartwatch", tag, owner, clock, "cpc_smartwatch", __FILE__), 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() { device_t* cpu = machine().device(":maincpu"); address_space& space = cpu->memory().space(AS_PROGRAM); space.install_read_handler(0xc000,0xc001,read8_delegate(FUNC(cpc_smartwatch_device::rtc_w),this)); space.install_read_handler(0xc004,0xc004,read8_delegate(FUNC(cpc_smartwatch_device::rtc_r),this)); m_bank = membank(":bank7"); } READ8_MEMBER(cpc_smartwatch_device::rtc_w) { uint8_t* bank = (uint8_t*)m_bank->base(); if(offset & 1) m_rtc->read_1(space,0); else m_rtc->read_0(space,0); return bank[offset & 1]; } READ8_MEMBER(cpc_smartwatch_device::rtc_r) { uint8_t* bank = (uint8_t*)m_bank->base(); return ((bank[(offset & 1)+4]) & 0xfe) | (m_rtc->read_data(space,0) & 0x01); }