// 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 //------------------------------------------------- MACHINE_CONFIG_START(sv602_device::device_add_mconfig) MCFG_SVI_SLOT_BUS_ADD MCFG_SVI_SLOT_INT_HANDLER(WRITELINE(*this, sv602_device, int_w)) MCFG_SVI_SLOT_ROMDIS_HANDLER(WRITELINE(*this, sv602_device, romdis_w)) MCFG_SVI_SLOT_RAMDIS_HANDLER(WRITELINE(*this, sv602_device, ramdis_w)) MCFG_SVI_SLOT_ADD("0", sv602_slot_cards, nullptr) MACHINE_CONFIG_END //************************************************************************** // 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 //************************************************************************** WRITE_LINE_MEMBER( sv602_device::int_w ) { m_expander->int_w(state); } WRITE_LINE_MEMBER( sv602_device::romdis_w ) { m_expander->romdis_w(state); } WRITE_LINE_MEMBER( sv602_device::ramdis_w ) { m_expander->ramdis_w(state); } READ8_MEMBER( sv602_device::mreq_r ) { return m_slotbus->mreq_r(space, offset); } WRITE8_MEMBER( sv602_device::mreq_w ) { m_slotbus->mreq_w(space, offset, data); } READ8_MEMBER( sv602_device::iorq_r ) { return m_slotbus->iorq_r(space, offset); } WRITE8_MEMBER( sv602_device::iorq_w ) { m_slotbus->iorq_w(space, 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); }