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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
Wang PC Network card emulation
**********************************************************************/
#include "emu.h"
#include "lic.h"
//**************************************************************************
// MACROS/CONSTANTS
//**************************************************************************
#define OPTION_ID 0x30
//**************************************************************************
// DEVICE DEFINITIONS
//**************************************************************************
DEFINE_DEVICE_TYPE(WANGPC_LIC, wangpc_lic_device, "wangpc_lic", "Wang PC-PM070 Local Interconnect")
//-------------------------------------------------
// ROM( wangpc_lic )
//-------------------------------------------------
ROM_START( wangpc_lic )
ROM_REGION( 0x1000, "network", 0 )
ROM_LOAD( "7025.l22", 0x0000, 0x1000, CRC(487e5f04) SHA1(81e52e70e0c6e34715119b121ec19a7758cd6772) )
ROM_END
//-------------------------------------------------
// rom_region - device-specific ROM region
//-------------------------------------------------
const tiny_rom_entry *wangpc_lic_device::device_rom_region() const
{
return ROM_NAME( wangpc_lic );
}
//-------------------------------------------------
// device_add_mconfig - add device configuration
//-------------------------------------------------
void wangpc_lic_device::device_add_mconfig(machine_config &config)
{
}
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
//-------------------------------------------------
// wangpc_lic_device - constructor
//-------------------------------------------------
wangpc_lic_device::wangpc_lic_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
device_t(mconfig, WANGPC_LIC, tag, owner, clock),
device_wangpcbus_card_interface(mconfig, *this)
{
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void wangpc_lic_device::device_start()
{
}
//-------------------------------------------------
// device_reset - device-specific reset
//-------------------------------------------------
void wangpc_lic_device::device_reset()
{
}
//-------------------------------------------------
// wangpcbus_mrdc_r - memory read
//-------------------------------------------------
uint16_t wangpc_lic_device::wangpcbus_mrdc_r(offs_t offset, uint16_t mem_mask)
{
uint16_t data = 0xffff;
return data;
}
//-------------------------------------------------
// wangpcbus_amwc_w - memory write
//-------------------------------------------------
void wangpc_lic_device::wangpcbus_amwc_w(offs_t offset, uint16_t mem_mask, uint16_t data)
{
}
//-------------------------------------------------
// wangpcbus_iorc_r - I/O read
//-------------------------------------------------
uint16_t wangpc_lic_device::wangpcbus_iorc_r(offs_t offset, uint16_t mem_mask)
{
uint16_t data = 0xffff;
if (sad(offset))
{
switch (offset & 0x7f)
{
case 0xfe/2:
data = 0xff00 | OPTION_ID;
break;
}
}
return data;
}
//-------------------------------------------------
// wangpcbus_aiowc_w - I/O write
//-------------------------------------------------
void wangpc_lic_device::wangpcbus_aiowc_w(offs_t offset, uint16_t mem_mask, uint16_t data)
{
if (sad(offset))
{
switch (offset & 0x7f)
{
case 0xfc/2:
device_reset();
break;
}
}
}
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