// license:BSD-3-Clause
// copyright-holders:Sergey Svishchev
/**********************************************************************
Poisk-1 HDC device (model B942)
**********************************************************************/
#include "emu.h"
#include "p1_hdc.h"
//**************************************************************************
// MACROS / CONSTANTS
//**************************************************************************
//#define LOG_GENERAL (1U << 0) //defined in logmacro.h already
#define LOG_DEBUG (1U << 1)
//#define VERBOSE (LOG_DEBUG)
//#define LOG_OUTPUT_FUNC printf
#include "logmacro.h"
#define LOGDBG(...) LOGMASKED(LOG_DEBUG, __VA_ARGS__)
//**************************************************************************
// 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
//-------------------------------------------------
void p1_hdc_device::device_add_mconfig(machine_config &config)
{
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);
HARDDISK(config, "hard0", 0);
HARDDISK(config, "hard1", 0);
}
//-------------------------------------------------
// rom_region - device-specific ROM region
//-------------------------------------------------
const tiny_rom_entry *p1_hdc_device::device_rom_region() const
{
return ROM_NAME(p1_hdc);
}
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
uint8_t p1_hdc_device::p1_HDC_r(offs_t offset)
{
uint8_t data = 0x00;
switch (offset >> 8)
{
case 8:
data = m_hdc->read(offset & 255);
}
LOG("hdc R $%04x == $%02x\n", offset, data);
return data;
}
void p1_hdc_device::p1_HDC_w(offs_t offset, uint8_t data)
{
LOG("hdc W $%04x <- $%02x\n", offset, data);
switch (offset >> 8)
{
case 8:
m_hdc->write(offset & 255, data);
}
}
//-------------------------------------------------
// 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, read8sm_delegate(*this, FUNC(p1_hdc_device::p1_HDC_r)), write8sm_delegate(*this, FUNC(p1_hdc_device::p1_HDC_w)));
}
//-------------------------------------------------
// device_reset - device-specific reset
//-------------------------------------------------
void p1_hdc_device::device_reset()
{
}