// 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") void cpc_hd20_device::device_add_mconfig(machine_config &config) { ST11M_HDC(config, m_hdc,0); m_hdc->irq_handler().set(FUNC(cpc_hd20_device::irq_w)); HARDDISK(config, "hdc:primary"); // no pass-through (?) } 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(0) ) ROM_SYSTEM_BIOS( 1, "xddos200", "X-DDOS 2.00" ) ROMX_LOAD( "x-ddos20.rom", 0x0000, 0x4000, CRC(c2d9cc03) SHA1(8a20788be5f957e84e849c226aa97b55b2a3aab9), ROM_BIOS(1) ) 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, const XTAL &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() { m_slot = dynamic_cast(owner()); address_space &space = m_slot->cpu().space(AS_IO); space.install_write_handler(0xfbe0,0xfbe4, write8sm_delegate(*this, FUNC(cpc_hd20_device::hdc_w))); space.install_read_handler(0xfbe0,0xfbe4, read8sm_delegate(*this, FUNC(cpc_hd20_device::hdc_r))); } //------------------------------------------------- // device_reset - device-specific reset //------------------------------------------------- void cpc_hd20_device::device_reset() { // TODO } uint8_t cpc_hd20_device::hdc_r(offs_t offset) { 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; } void cpc_hd20_device::hdc_w(offs_t offset, uint8_t data) { 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(); }