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// license:BSD-3-Clause
// copyright-holders:Olivier Galibert
#include "emu.h"
#include "applepp.h"
#include "storagehle.h"
DEFINE_DEVICE_TYPE(APPLEPP_CONNECTOR, applepp_connector, "applepp_connector", "Apple parallel connector")
applepp_connector::applepp_connector(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
device_t(mconfig, APPLEPP_CONNECTOR, tag, owner, clock),
device_single_card_slot_interface<device_applepp_interface>(mconfig, *this),
m_write_pd(*this),
m_write_pchk(*this),
m_write_pbsy(*this),
m_write_pparity(*this)
{
}
applepp_connector::~applepp_connector()
{
}
void applepp_connector::device_start()
{
}
void applepp_connector::device_reset()
{
if(!get_card_device()) {
m_write_pchk(1);
m_write_pbsy(1);
m_write_pparity(1);
m_write_pd(1);
}
}
void applepp_connector::pd_w(u8 data)
{
auto card = get_card_device();
if(card)
card->pd_w(data);
}
void applepp_connector::pstrb_w(int level)
{
auto card = get_card_device();
if(card)
card->pstrb_w(level);
}
void applepp_connector::prw_w(int level)
{
auto card = get_card_device();
if(card)
card->prw_w(level);
}
void applepp_connector::pcmd_w(int level)
{
auto card = get_card_device();
if(card)
card->pcmd_w(level);
}
void applepp_connector::pres_w(int level)
{
auto card = get_card_device();
if(card)
card->pres_w(level);
}
void applepp_connector::pd_set(u8 data)
{
m_write_pd(data);
m_write_pparity((population_count_32(data) + 1) & 1);
}
void applepp_connector::pbsy_set(int state)
{
m_write_pbsy(state);
}
void applepp_connector::pchk_set(int state)
{
m_write_pchk(state);
}
device_applepp_interface::device_applepp_interface(const machine_config &mconfig, device_t &device) :
device_interface(device, "applepp")
{
}
void device_applepp_interface::interface_pre_start()
{
m_connector = downcast<applepp_connector *>(device().owner());
}
void applepp_intf(device_slot_interface &device)
{
device.option_add("profile", APPLEPP_PROFILE);
device.option_add("widget", APPLEPP_WIDGET);
}
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