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// license:GPL-2.0+
// copyright-holders:Dirk Best
/***************************************************************************
SV-602 Single Slot Expander for SVI-318/328
***************************************************************************/
#include "emu.h"
#include "sv602.h"
//**************************************************************************
// DEVICE DEFINITIONS
//**************************************************************************
DEFINE_DEVICE_TYPE(SV602, sv602_device, "sv602", "SV-602 Single Slot Expander")
//-------------------------------------------------
// device_add_mconfig - add device configuration
//-------------------------------------------------
void sv602_device::device_add_mconfig(machine_config &config)
{
SVI_SLOT_BUS(config, m_slotbus, 0);
m_slotbus->int_handler().set(FUNC(sv602_device::int_w));
m_slotbus->romdis_handler().set(FUNC(sv602_device::romdis_w));
m_slotbus->ramdis_handler().set(FUNC(sv602_device::ramdis_w));
SVI_SLOT(config, "0", m_slotbus, sv602_slot_cards, nullptr);
}
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
//-------------------------------------------------
// sv602_device - constructor
//-------------------------------------------------
sv602_device::sv602_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
device_t(mconfig, SV602, tag, owner, clock),
device_svi_expander_interface(mconfig, *this),
m_slotbus(*this, "slotbus")
{
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void sv602_device::device_start()
{
}
//**************************************************************************
// IMPLEMENTATION
//**************************************************************************
void sv602_device::int_w(int state) { m_expander->int_w(state); }
void sv602_device::romdis_w(int state) { m_expander->romdis_w(state); }
void sv602_device::ramdis_w(int state) { m_expander->ramdis_w(state); }
uint8_t sv602_device::mreq_r(offs_t offset) { return m_slotbus->mreq_r(offset); }
void sv602_device::mreq_w(offs_t offset, uint8_t data) { m_slotbus->mreq_w(offset, data); }
uint8_t sv602_device::iorq_r(offs_t offset) { return m_slotbus->iorq_r(offset); }
void sv602_device::iorq_w(offs_t offset, uint8_t data) { m_slotbus->iorq_w(offset, data); }
void sv602_device::bk21_w(int state) { m_slotbus->bk21_w(state); }
void sv602_device::bk22_w(int state) { m_slotbus->bk22_w(state); }
void sv602_device::bk31_w(int state) { m_slotbus->bk31_w(state); }
void sv602_device::bk32_w(int state) { m_slotbus->bk32_w(state); }
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