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Diffstat (limited to 'src/devices/machine/sunplus_gcm394.cpp')
-rw-r--r--src/devices/machine/sunplus_gcm394.cpp49
1 files changed, 49 insertions, 0 deletions
diff --git a/src/devices/machine/sunplus_gcm394.cpp b/src/devices/machine/sunplus_gcm394.cpp
new file mode 100644
index 00000000000..74b5774bf13
--- /dev/null
+++ b/src/devices/machine/sunplus_gcm394.cpp
@@ -0,0 +1,49 @@
+// license:BSD-3-Clause
+// copyright-holders:David Haywood
+/*****************************************************************************
+
+ SunPlus "GCM394" (based on die pictures)
+
+**********************************************************************/
+
+#include "emu.h"
+#include "sunplus_gcm394.h"
+
+DEFINE_DEVICE_TYPE(GCM394, sunplus_gcm394_device, "gcm394", "SunPlus GCM394 System-on-a-Chip")
+
+sunplus_gcm394_device::sunplus_gcm394_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
+ : sunplus_gcm394_base_device(mconfig, GCM394, tag, owner, clock)
+{
+}
+
+READ16_MEMBER(sunplus_gcm394_base_device::unk_r)
+{
+ logerror("%s:sunplus_gcm394_base_device::unk_r @ 0x%04x\n", machine().describe_context(), offset + 0x7000);
+ return 0x00;
+}
+
+WRITE16_MEMBER(sunplus_gcm394_base_device::unk_w)
+{
+ logerror("%s:sunplus_gcm394_base_device::unk_w @ 0x%04x (data 0x%04x)\n", machine().describe_context(), offset + 0x7000, data);
+}
+
+void sunplus_gcm394_base_device::map(address_map &map)
+{
+ map(0x000000, 0x006fff).ram();
+ map(0x007000, 0x007fff).rw(FUNC(sunplus_gcm394_base_device::unk_r), FUNC(sunplus_gcm394_base_device::unk_w));
+}
+
+void sunplus_gcm394_base_device::device_start()
+{
+}
+
+void sunplus_gcm394_base_device::device_reset()
+{
+}
+
+void sunplus_gcm394_device::device_add_mconfig(machine_config &config)
+{
+ //SUNPLUS_GCM394_AUDIO(config, m_spg_audio, DERIVED_CLOCK(1, 1));
+ //m_spg_audio->add_route(0, *this, 1.0, AUTO_ALLOC_INPUT, 0);
+ //m_spg_audio->add_route(1, *this, 1.0, AUTO_ALLOC_INPUT, 1);
+}