summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/cpu
diff options
context:
space:
mode:
author cam900 <dbtlrchl@naver.com>2020-02-22 00:43:56 +0900
committer GitHub <noreply@github.com>2020-02-21 10:43:56 -0500
commit21dae89c14eee07166748ab7d73560514e853ee1 (patch)
tree23f1196a731698bf540e694e96a8e9a3727a1026 /src/devices/cpu
parentd73dabcfc8ce3dbc141812953505ccba38db3200 (diff)
Add skeleton LZ8420M device (#6339)
* Add skeleton LZ8420M device It has additional IO, Embedded RAM Used in psikyo.cpp * lz8420m.cpp : Fix copyright holder
Diffstat (limited to 'src/devices/cpu')
-rw-r--r--src/devices/cpu/z80/lz8420m.cpp47
-rw-r--r--src/devices/cpu/z80/lz8420m.h45
2 files changed, 92 insertions, 0 deletions
diff --git a/src/devices/cpu/z80/lz8420m.cpp b/src/devices/cpu/z80/lz8420m.cpp
new file mode 100644
index 00000000000..26e41a6b248
--- /dev/null
+++ b/src/devices/cpu/z80/lz8420m.cpp
@@ -0,0 +1,47 @@
+// license:BSD-3-Clause
+// copyright-holders:cam900
+/***************************************************************************
+
+ Sharp LZ8420M Z80 with Built-in RAM
+
+ (TODO: everything;
+ 8 Bit IO, 4 Bit Input, 4 Bit Output, 512 Byte RAM)
+
+***************************************************************************/
+
+#include "emu.h"
+#include "lz8420m.h"
+
+DEFINE_DEVICE_TYPE(LZ8420M, lz8420m_device, "lz8420m", "Sharp LZ8420M")
+
+
+lz8420m_device::lz8420m_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
+ : z80_device(mconfig, LZ8420M, tag, owner, clock)
+{
+}
+
+
+//-------------------------------------------------
+// device_start - device-specific startup
+//-------------------------------------------------
+
+void lz8420m_device::device_start()
+{
+ z80_device::device_start();
+}
+
+
+//-------------------------------------------------
+// device_reset - device-specific reset
+//-------------------------------------------------
+
+void lz8420m_device::device_reset()
+{
+ z80_device::device_reset();
+}
+
+
+/* CPU interface */
+void lz8420m_device::device_add_mconfig(machine_config &config)
+{
+}
diff --git a/src/devices/cpu/z80/lz8420m.h b/src/devices/cpu/z80/lz8420m.h
new file mode 100644
index 00000000000..afa653c340d
--- /dev/null
+++ b/src/devices/cpu/z80/lz8420m.h
@@ -0,0 +1,45 @@
+// license:BSD-3-Clause
+// copyright-holders:cam900
+/***************************************************************************
+
+ Sharp LZ8420M Z80 with Built-in RAM
+
+ (TODO: everything;
+ 8 Bit IO, 4 Bit Input, 4 Bit Output, 512 Byte RAM)
+
+***************************************************************************/
+
+#ifndef MAME_CPU_Z80_LZ8420M_H
+#define MAME_CPU_Z80_LZ8420M_H
+
+#pragma once
+
+#include "z80.h"
+
+
+/***************************************************************************
+ DEVICE CONFIGURATION MACROS
+***************************************************************************/
+
+
+/***************************************************************************
+ TYPE DEFINITIONS
+***************************************************************************/
+
+class lz8420m_device : public z80_device
+{
+public:
+ lz8420m_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t);
+
+protected:
+ // device-level overrides
+ virtual void device_add_mconfig(machine_config &config) override;
+ virtual void device_start() override;
+ virtual void device_reset() override;
+};
+
+
+// device type definition
+DECLARE_DEVICE_TYPE(LZ8420M, lz8420m_device)
+
+#endif // MAME_CPU_Z80_LZ8420M_H