// license:BSD-3-Clause
// copyright-holders:smf
#include "emu.h"
#include "pccard.h"
//#define VERBOSE 1
#include "logmacro.h"
device_pccard_interface::device_pccard_interface(const machine_config &mconfig, device_t &device) :
device_interface(device, "pccard"),
m_slot(dynamic_cast<pccard_slot_device *>(device.owner()))
{
}
uint16_t device_pccard_interface::read_memory(offs_t offset, uint16_t mem_mask)
{
if (VERBOSE & LOG_GENERAL)
device().logerror("unhandled memory read %08x %04x\n", offset, mem_mask);
return 0xffff;
}
void device_pccard_interface::write_memory(offs_t offset, uint16_t data, uint16_t mem_mask)
{
if (VERBOSE & LOG_GENERAL)
device().logerror("unhandled memory write %08x %04x %04x\n", offset, data, mem_mask);
}
uint16_t device_pccard_interface::read_reg(offs_t offset, uint16_t mem_mask)
{
if (VERBOSE & LOG_GENERAL)
device().logerror("unhandled register read %08x %04x\n", offset, mem_mask);
return 0xffff;
}
void device_pccard_interface::write_reg(offs_t offset, uint16_t data, uint16_t mem_mask)
{
if (VERBOSE & LOG_GENERAL)
device().logerror("unhandled register write %08x %04x %04x\n", offset, data, mem_mask);
}
DEFINE_DEVICE_TYPE(PCCARD_SLOT, pccard_slot_device, "pccard", "PC Card Slot")
pccard_slot_device::pccard_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
device_t(mconfig, PCCARD_SLOT, tag, owner, clock),
device_single_card_slot_interface<device_pccard_interface>(mconfig, *this),
m_card_detect_cb(*this),
m_battery_voltage_1_cb(*this),
m_battery_voltage_2_cb(*this),
m_write_protect_cb(*this),
m_pccard(nullptr)
{
}
void pccard_slot_device::device_start()
{
m_pccard = get_card_device();
}
uint16_t pccard_slot_device::read_memory(offs_t offset, uint16_t mem_mask)
{
if (m_pccard)
return m_pccard->read_memory(offset, mem_mask);
else
return 0xffff;
}
void pccard_slot_device::write_memory(offs_t offset, uint16_t data, uint16_t mem_mask)
{
if (m_pccard)
m_pccard->write_memory(offset, data, mem_mask);
}
uint16_t pccard_slot_device::read_reg(offs_t offset, uint16_t mem_mask)
{
if (m_pccard)
return m_pccard->read_reg(offset, mem_mask);
else
return 0xffff;
}
void pccard_slot_device::write_reg(offs_t offset, uint16_t data, uint16_t mem_mask)
{
if (m_pccard)
m_pccard->write_reg(offset, data, mem_mask);
}
uint8_t pccard_slot_device::read_memory_byte(offs_t offset)
{
uint8_t data = 0xff;
if (m_pccard)
{
if (BIT(offset, 0))
data = m_pccard->read_memory(offset / 2, 0xff00) >> 8;
else
data = m_pccard->read_memory(offset / 2, 0x00ff) >> 0;
}
return data;
}
uint8_t pccard_slot_device::read_reg_byte(offs_t offset)
{
uint8_t data = 0xff;
if (m_pccard)
{
if (BIT(offset, 0))
data = m_pccard->read_reg(offset / 2, 0xff00) >> 8;
else
data = m_pccard->read_reg(offset / 2, 0x00ff) >> 0;
}
return data;
}
void pccard_slot_device::write_memory_byte(offs_t offset, uint8_t data)
{
if (m_pccard)
{
if (BIT(offset, 0))
m_pccard->write_memory(offset / 2, data << 8, 0xff00);
else
m_pccard->write_memory(offset / 2, data << 0, 0x00ff);
}
}
void pccard_slot_device::write_reg_byte(offs_t offset, uint8_t data)
{
if (m_pccard)
{
if (BIT(offset, 0))
m_pccard->write_reg(offset / 2, data << 8, 0xff00);
else
m_pccard->write_reg(offset / 2, data << 0, 0x00ff);
}
}