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// license:BSD-3-Clause
// copyright-holders:Barry Rodewald
/*
Dobbertin HD20 hard disk
*/
#include "emu.h"
#include "hd20.h"
//**************************************************************************
// DEVICE DEFINITIONS
//**************************************************************************
DEFINE_DEVICE_TYPE(CPC_HD20, cpc_hd20_device, "cpc_hd20", "Dobbertin HD20")
static MACHINE_CONFIG_START( cpc_hd20 )
MCFG_DEVICE_ADD("hdc",ST11M_HDC,0)
MCFG_XTHDC_IRQ_HANDLER(WRITELINE(cpc_hd20_device,irq_w))
MCFG_HARDDISK_ADD("hdc:primary")
// no pass-through (?)
MACHINE_CONFIG_END
machine_config_constructor cpc_hd20_device::device_mconfig_additions() const
{
return MACHINE_CONFIG_NAME( cpc_hd20 );
}
ROM_START( cpc_hd20 )
ROM_REGION( 0x4000, "exp_rom", 0 )
ROM_DEFAULT_BIOS("xddos210")
ROM_SYSTEM_BIOS( 0, "xddos210", "X-DDOS 2.10" )
ROMX_LOAD( "xddos210.rom", 0x0000, 0x4000, CRC(5477fdb4) SHA1(2f1bd4d6e2d2e62818b01e6e7a26488362a7a8ee), ROM_BIOS(1) )
ROM_SYSTEM_BIOS( 1, "xddos200", "X-DDOS 2.00" )
ROMX_LOAD( "x-ddos20.rom", 0x0000, 0x4000, CRC(c2d9cc03) SHA1(8a20788be5f957e84e849c226aa97b55b2a3aab9), ROM_BIOS(2) )
ROM_END
const tiny_rom_entry *cpc_hd20_device::device_rom_region() const
{
return ROM_NAME( cpc_hd20 );
}
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
cpc_hd20_device::cpc_hd20_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
device_t(mconfig, CPC_HD20, tag, owner, clock),
device_cpc_expansion_card_interface(mconfig, *this), m_slot(nullptr),
m_hdc(*this,"hdc")
{
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void cpc_hd20_device::device_start()
{
device_t* cpu = machine().device("maincpu");
address_space& space = cpu->memory().space(AS_IO);
m_slot = dynamic_cast<cpc_expansion_slot_device *>(owner());
space.install_write_handler(0xfbe0,0xfbe4,write8_delegate(FUNC(cpc_hd20_device::hdc_w),this));
space.install_read_handler(0xfbe0,0xfbe4,read8_delegate(FUNC(cpc_hd20_device::hdc_r),this));
}
//-------------------------------------------------
// device_reset - device-specific reset
//-------------------------------------------------
void cpc_hd20_device::device_reset()
{
// TODO
}
READ8_MEMBER(cpc_hd20_device::hdc_r)
{
uint8_t ret = 0x00;
switch(offset)
{
case 0:
ret = m_hdc->data_r();
break;
case 1:
ret = m_hdc->status_r();
break;
case 2:
m_hdc->set_ready();
ret = 0x01;
break;
case 4:
m_hdc->reset_w(0); // reset on read also?
break;
}
return ret;
}
WRITE8_MEMBER(cpc_hd20_device::hdc_w)
{
switch(offset)
{
case 0:
m_hdc->data_w(data);
break;
case 1:
m_hdc->reset_w(data);
break;
case 2:
m_hdc->select_w(data);
break;
case 3:
m_hdc->control_w(data);
break;
case 4:
m_hdc->reset_w(data);
break;
}
}
WRITE_LINE_MEMBER(cpc_hd20_device::irq_w)
{
// if(state)
// m_hdc->set_ready();
}
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