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abckb.cpp
141 lines (101 loc) · 3.61 KB
/
abckb.cpp
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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
Luxor ABC 800/802/806/1600 keyboard port emulation
**********************************************************************/
#include "emu.h"
#include "abckb.h"
//**************************************************************************
// DEVICE DEFINITIONS
//**************************************************************************
// device type definition
DEFINE_DEVICE_TYPE(ABC_KEYBOARD_PORT, abc_keyboard_port_device, "abc_keyboard_port", "Luxor ABC keyboard port")
//**************************************************************************
// CARD INTERFACE
//**************************************************************************
//-------------------------------------------------
// abc_keyboard_interface - constructor
//-------------------------------------------------
abc_keyboard_interface::abc_keyboard_interface(const machine_config &mconfig, device_t &device)
: device_interface(device, "abckb")
{
m_slot = dynamic_cast<abc_keyboard_port_device *>(device.owner());
}
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
//-------------------------------------------------
// abc_keyboard_port_device - constructor
//-------------------------------------------------
abc_keyboard_port_device::abc_keyboard_port_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
device_t(mconfig, ABC_KEYBOARD_PORT, tag, owner, clock),
device_single_card_slot_interface<abc_keyboard_interface>(mconfig, *this),
m_out_rx_handler(*this),
m_out_trxc_handler(*this),
m_out_keydown_handler(*this),
m_card(nullptr)
{
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void abc_keyboard_port_device::device_start()
{
m_card = get_card_device();
}
//-------------------------------------------------
// device_reset - device-specific reset
//-------------------------------------------------
void abc_keyboard_port_device::device_reset()
{
if (m_card)
{
m_card->reset_w(ASSERT_LINE);
m_card->reset_w(CLEAR_LINE);
}
}
//-------------------------------------------------
// write_rx -
//-------------------------------------------------
void abc_keyboard_port_device::write_rx(int state)
{
m_out_rx_handler(state);
}
//-------------------------------------------------
// txd_w -
//-------------------------------------------------
void abc_keyboard_port_device::txd_w(int state)
{
if (m_card)
m_card->txd_w(state);
}
//-------------------------------------------------
// trxc_w -
//-------------------------------------------------
void abc_keyboard_port_device::trxc_w(int state)
{
m_out_trxc_handler(state);
}
//-------------------------------------------------
// keydown_w -
//-------------------------------------------------
void abc_keyboard_port_device::keydown_w(int state)
{
m_out_keydown_handler(state);
}
//**************************************************************************
// SLOT INTERFACE
//**************************************************************************
#include "abc800kb.h"
#include "abc77.h"
#include "abc99.h"
void abc800_keyboard_devices(device_slot_interface &device)
{
device.option_add_internal("abc800", ABC800_KEYBOARD);
}
void abc_keyboard_devices(device_slot_interface &device)
{
device.option_add("abc55", ABC55);
device.option_add("abc77", ABC77);
device.option_add("abc99", ABC99);
}