summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/bus/bbc/1mhzbus/beebsid.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/devices/bus/bbc/1mhzbus/beebsid.cpp')
-rw-r--r--src/devices/bus/bbc/1mhzbus/beebsid.cpp78
1 files changed, 78 insertions, 0 deletions
diff --git a/src/devices/bus/bbc/1mhzbus/beebsid.cpp b/src/devices/bus/bbc/1mhzbus/beebsid.cpp
new file mode 100644
index 00000000000..a86c31f67f3
--- /dev/null
+++ b/src/devices/bus/bbc/1mhzbus/beebsid.cpp
@@ -0,0 +1,78 @@
+// license:BSD-3-Clause
+// copyright-holders:Nigel Barnes
+/**********************************************************************
+
+ BeebSID emulation
+
+**********************************************************************/
+
+
+#include "emu.h"
+#include "beebsid.h"
+#include "speaker.h"
+
+
+//**************************************************************************
+// MACROS / CONSTANTS
+//**************************************************************************
+
+#define MOS8580_TAG "mos8580"
+
+
+//**************************************************************************
+// DEVICE DEFINITIONS
+//**************************************************************************
+
+DEFINE_DEVICE_TYPE(BBC_BEEBSID, bbc_beebsid_device, "beebsid", "BeebSID")
+
+
+//-------------------------------------------------
+// device_add_mconfig - add device configuration
+//-------------------------------------------------
+
+MACHINE_CONFIG_MEMBER(bbc_beebsid_device::device_add_mconfig )
+ MCFG_SPEAKER_STANDARD_MONO("speaker")
+ MCFG_SOUND_ADD(MOS8580_TAG, MOS8580, XTAL_16MHz / 16)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 1.0)
+
+ MCFG_BBC_PASSTHRU_1MHZBUS_SLOT_ADD()
+MACHINE_CONFIG_END
+
+
+//**************************************************************************
+// LIVE DEVICE
+//**************************************************************************
+
+//-------------------------------------------------
+// bbc_beebsid_device - constructor
+//-------------------------------------------------
+
+bbc_beebsid_device::bbc_beebsid_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
+ device_t(mconfig, BBC_BEEBSID, tag, owner, clock),
+ device_bbc_1mhzbus_interface(mconfig, *this),
+ m_sid(*this, MOS8580_TAG)
+{
+}
+
+
+//-------------------------------------------------
+// device_start - device-specific startup
+//-------------------------------------------------
+
+void bbc_beebsid_device::device_start()
+{
+ address_space& space = machine().device("maincpu")->memory().space(AS_PROGRAM);
+ m_slot = dynamic_cast<bbc_1mhzbus_slot_device *>(owner());
+
+ space.install_readwrite_handler(0xfc20, 0xfc3f, read8_delegate(FUNC(mos8580_device::read), (mos8580_device*)m_sid), write8_delegate(FUNC(mos8580_device::write), (mos8580_device*)m_sid));
+}
+
+
+//-------------------------------------------------
+// device_reset - device-specific reset
+//-------------------------------------------------
+
+void bbc_beebsid_device::device_reset()
+{
+ m_sid->reset();
+}