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// 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"
#include "includes/amstrad.h"
//**************************************************************************
// DEVICE DEFINITIONS
//**************************************************************************
const device_type CPC_SMARTWATCH = &device_creator<cpc_smartwatch_device>;
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 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 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<cpc_expansion_slot_device *>(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(0xc000,0xc001,0,0,read8_delegate(FUNC(cpc_smartwatch_device::rtc_w),this));
space.install_read_handler(0xc004,0xc004,0,0,read8_delegate(FUNC(cpc_smartwatch_device::rtc_r),this));
m_bank = membank(":bank7");
}
READ8_MEMBER(cpc_smartwatch_device::rtc_w)
{
UINT8* bank = (UINT8*)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* bank = (UINT8*)m_bank->base();
return ((bank[(offset & 1)+4]) & 0xfe) | (m_rtc->read_data(space,0) & 0x01);
}
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