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Diffstat (limited to 'src/devices/bus/acorn/cms/ieee.cpp')
-rw-r--r--src/devices/bus/acorn/cms/ieee.cpp89
1 files changed, 89 insertions, 0 deletions
diff --git a/src/devices/bus/acorn/cms/ieee.cpp b/src/devices/bus/acorn/cms/ieee.cpp
new file mode 100644
index 00000000000..06d9b47f0dd
--- /dev/null
+++ b/src/devices/bus/acorn/cms/ieee.cpp
@@ -0,0 +1,89 @@
+// 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, uint32_t 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);
+}