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// license:BSD-3-Clause
// copyright-holders:Barry Rodewald
/*
* x68kexp.c
*/
#include "emu.h"
#include "x68kexp.h"
//**************************************************************************
// GLOBAL VARIABLES
//**************************************************************************
DEFINE_DEVICE_TYPE(X68K_EXPANSION_SLOT, x68k_expansion_slot_device, "x68k_expansion_slot", "Sharp X680x0 expansion slot")
//**************************************************************************
// DEVICE CPC_EXPANSION CARD INTERFACE
//**************************************************************************
device_x68k_expansion_card_interface::device_x68k_expansion_card_interface(const machine_config &mconfig, device_t &device) :
device_interface(device, "x68kexp")
{
}
device_x68k_expansion_card_interface::~device_x68k_expansion_card_interface()
{
}
uint8_t device_x68k_expansion_card_interface::iack2()
{
device().logerror("Failed to acknowledge IRQ2\n");
return 0x18; // spurious interrupt
}
uint8_t device_x68k_expansion_card_interface::iack4()
{
device().logerror("Failed to acknowledge IRQ4\n");
return 0x18; // spurious interrupt
}
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
x68k_expansion_slot_device::x68k_expansion_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock) :
device_t(mconfig, X68K_EXPANSION_SLOT, tag, owner, clock),
device_single_card_slot_interface<device_x68k_expansion_card_interface>(mconfig, *this),
m_space(*this, finder_base::DUMMY_TAG, -1),
m_out_irq2_cb(*this),
m_out_irq4_cb(*this),
m_out_nmi_cb(*this),
m_out_reset_cb(*this),
m_card(nullptr)
{
}
x68k_expansion_slot_device::~x68k_expansion_slot_device()
{
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void x68k_expansion_slot_device::device_start()
{
m_card = get_card_device();
// resolve callbacks
m_out_irq2_cb.resolve_safe();
m_out_irq4_cb.resolve_safe();
m_out_nmi_cb.resolve_safe();
m_out_reset_cb.resolve_safe();
}
WRITE_LINE_MEMBER( x68k_expansion_slot_device::irq2_w ) { m_out_irq2_cb(state); }
WRITE_LINE_MEMBER( x68k_expansion_slot_device::irq4_w ) { m_out_irq4_cb(state); }
WRITE_LINE_MEMBER( x68k_expansion_slot_device::nmi_w ) { m_out_nmi_cb(state); }
WRITE_LINE_MEMBER( x68k_expansion_slot_device::reset_w ) { m_out_reset_cb(state); }
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