// license:BSD-3-Clause // copyright-holders:Sergey Svishchev /********************************************************************** Poisk-1 HDC device (model B942) **********************************************************************/ #include "emu.h" #include "p1_hdc.h" //************************************************************************** // MACROS / CONSTANTS //************************************************************************** #define VERBOSE_DBG 1 #define DBG_LOG(N,M,A) \ do { \ if(VERBOSE_DBG>=N) \ { \ if( M ) \ logerror("%11.6f: %-24s",machine().time().as_double(),(char*)M ); \ logerror A; \ } \ } while (0) //************************************************************************** // DEVICE DEFINITIONS //************************************************************************** DEFINE_DEVICE_TYPE(P1_HDC, p1_hdc_device, "p1_hdc", "Poisk-1 MFM disk B942") //------------------------------------------------- // ROM( p1_hdc ) //------------------------------------------------- ROM_START( p1_hdc ) ROM_REGION( 0x0800, "p1_hdc", 0 ) ROM_DEFAULT_BIOS("v17") ROM_SYSTEM_BIOS(0, "v11", "ver 1.1") // (c) S. Kovalenko, 1990 ROMX_LOAD( "b_hd_v11.rf2", 0x00000, 0x0800, CRC(a19c39b2) SHA1(57faa56b320abf801fedbed578cf97d253e5b777), ROM_BIOS(0)) ROM_SYSTEM_BIOS(1, "v12", "ver 1.2") // (c) S. Kovalenko, 1991 ROMX_LOAD( "p_hdd_nm.bin", 0x00000, 0x0800, CRC(d5f8e4cc) SHA1(5b533642df30958539715f87a7f25b0d66dd0861), ROM_BIOS(1)) ROM_SYSTEM_BIOS(2, "v14", "ver 1.4") // (c) `.lesnyh. , 1992 ROMX_LOAD( "b942_5mb.bin", 0x00000, 0x0800, CRC(a3cfa240) SHA1(0b0aa1ce839a957153bfbbe70310480ca9fe21b6), ROM_BIOS(2)) ROM_SYSTEM_BIOS(3, "v17", "ver 1.7") // (c) S. Kovalenko, 1992 ROMX_LOAD( "b942_v17.rom", 0x00000, 0x0800, CRC(869672e3) SHA1(5cf2ae0ec1fa3edb3fe882c805da0bbc3ac21792), ROM_BIOS(3)) ROM_END //------------------------------------------------- // device_add_mconfig - add device configuration //------------------------------------------------- MACHINE_CONFIG_START(p1_hdc_device::device_add_mconfig) WD2010(config, m_hdc, 5'000'000); // XXX clock? m_hdc->in_drdy_callback().set_constant(1); m_hdc->in_index_callback().set_constant(1); m_hdc->in_wf_callback().set_constant(1); m_hdc->in_tk000_callback().set_constant(1); m_hdc->in_sc_callback().set_constant(1); MCFG_HARDDISK_ADD("hard0") MCFG_HARDDISK_ADD("hard1") MACHINE_CONFIG_END //------------------------------------------------- // rom_region - device-specific ROM region //------------------------------------------------- const tiny_rom_entry *p1_hdc_device::device_rom_region() const { return ROM_NAME(p1_hdc); } //************************************************************************** // LIVE DEVICE //************************************************************************** READ8_MEMBER(p1_hdc_device::p1_HDC_r) { uint8_t data = 0x00; switch (offset >> 8) { case 8: data = m_hdc->read(space, offset & 255); } DBG_LOG(1, "hdc", ("R $%04x == $%02x\n", offset, data)); return data; } WRITE8_MEMBER(p1_hdc_device::p1_HDC_w) { DBG_LOG(1, "hdc", ("W $%04x <- $%02x\n", offset, data)); switch (offset >> 8) { case 8: m_hdc->write(space, offset & 255, data, 0); } } //------------------------------------------------- // p1_hdc_device - constructor //------------------------------------------------- p1_hdc_device::p1_hdc_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : device_t(mconfig, P1_HDC, tag, owner, clock) , device_isa8_card_interface(mconfig, *this) , m_hdc(*this, "d17") { } //------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- void p1_hdc_device::device_start() { set_isa_device(); m_isa->install_rom(this, 0xe2000, 0xe27ff, "XXX", "p1_hdc"); m_isa->install_memory(0xd0000, 0xd0fff, READ8_DELEGATE(p1_hdc_device, p1_HDC_r), WRITE8_DELEGATE(p1_hdc_device, p1_HDC_w) ); } //------------------------------------------------- // device_reset - device-specific reset //------------------------------------------------- void p1_hdc_device::device_reset() { }