// license:BSD-3-Clause // copyright-holders:Nigel Barnes /********************************************************************** CMS IEEE Controller Board **********************************************************************/ #include "emu.h" #include "ieee.h" //************************************************************************** // DEVICE DEFINITIONS //************************************************************************** DEFINE_DEVICE_TYPE(CMS_IEEE, cms_ieee_device, "cms_ieee", "CMS IEEE Controller Board"); //------------------------------------------------- // device_add_mconfig - add device configuration //------------------------------------------------- void cms_ieee_device::device_add_mconfig(machine_config &config) { TMS9914(config, m_tms9914, 4_MHz_XTAL); // TODO: verify clock m_tms9914->int_write_cb().set(FUNC(cms_ieee_device::bus_irq_w)); m_tms9914->dio_read_cb().set(IEEE488_TAG, FUNC(ieee488_device::dio_r)); m_tms9914->dio_write_cb().set(IEEE488_TAG, FUNC(ieee488_device::host_dio_w)); m_tms9914->eoi_write_cb().set(IEEE488_TAG, FUNC(ieee488_device::host_eoi_w)); m_tms9914->dav_write_cb().set(IEEE488_TAG, FUNC(ieee488_device::host_dav_w)); m_tms9914->nrfd_write_cb().set(IEEE488_TAG, FUNC(ieee488_device::host_nrfd_w)); m_tms9914->ndac_write_cb().set(IEEE488_TAG, FUNC(ieee488_device::host_ndac_w)); m_tms9914->ifc_write_cb().set(IEEE488_TAG, FUNC(ieee488_device::host_ifc_w)); m_tms9914->srq_write_cb().set(IEEE488_TAG, FUNC(ieee488_device::host_srq_w)); m_tms9914->atn_write_cb().set(IEEE488_TAG, FUNC(ieee488_device::host_atn_w)); m_tms9914->ren_write_cb().set(IEEE488_TAG, FUNC(ieee488_device::host_ren_w)); IEEE488(config, m_ieee); m_ieee->eoi_callback().set(m_tms9914, FUNC(tms9914_device::eoi_w)); m_ieee->dav_callback().set(m_tms9914, FUNC(tms9914_device::dav_w)); m_ieee->nrfd_callback().set(m_tms9914, FUNC(tms9914_device::nrfd_w)); m_ieee->ndac_callback().set(m_tms9914, FUNC(tms9914_device::ndac_w)); m_ieee->ifc_callback().set(m_tms9914, FUNC(tms9914_device::ifc_w)); m_ieee->srq_callback().set(m_tms9914, FUNC(tms9914_device::srq_w)); m_ieee->atn_callback().set(m_tms9914, FUNC(tms9914_device::atn_w)); m_ieee->ren_callback().set(m_tms9914, FUNC(tms9914_device::ren_w)); IEEE488_SLOT(config, "ieee_dev", 0, cbm_ieee488_devices, nullptr); } //************************************************************************** // LIVE DEVICE //************************************************************************** //------------------------------------------------- // cms_ieee_device - constructor //------------------------------------------------- cms_ieee_device::cms_ieee_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock) : device_t(mconfig, CMS_IEEE, tag, owner, clock) , device_acorn_bus_interface(mconfig, *this) , m_ieee(*this, IEEE488_TAG) , m_tms9914(*this, "hpib") { } //------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- void cms_ieee_device::device_start() { address_space &space = m_bus->memspace(); space.install_readwrite_handler(0xfc60, 0xfc6f, read8sm_delegate(*m_tms9914, FUNC(tms9914_device::read)), write8sm_delegate(*m_tms9914, FUNC(tms9914_device::write))); } //************************************************************************** // IMPLEMENTATION //************************************************************************** WRITE_LINE_MEMBER(cms_ieee_device::bus_irq_w) { m_bus->irq_w(state); }