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author Miodrag Milanovic <mmicko@gmail.com>2015-09-13 08:41:44 +0200
committer Miodrag Milanovic <mmicko@gmail.com>2015-09-13 08:41:44 +0200
commitf88cefad27a1737c76e09d99c9fb43e173506081 (patch)
tree2d8167d03579c46e226471747eb4407bd00ed6fa /src/devices/machine/m6m80011ap.h
parente92ac9e0fa8e99869894bea00589bbb526be30aa (diff)
Move all devices into separate part of src tree (nw)
Diffstat (limited to 'src/devices/machine/m6m80011ap.h')
-rw-r--r--src/devices/machine/m6m80011ap.h91
1 files changed, 91 insertions, 0 deletions
diff --git a/src/devices/machine/m6m80011ap.h b/src/devices/machine/m6m80011ap.h
new file mode 100644
index 00000000000..196617f2339
--- /dev/null
+++ b/src/devices/machine/m6m80011ap.h
@@ -0,0 +1,91 @@
+// license:BSD-3-Clause
+// copyright-holders:Angelo Salese
+/***************************************************************************
+
+Template for skeleton device
+
+***************************************************************************/
+
+#pragma once
+
+#ifndef __M6M80011APDEV_H__
+#define __M6M80011APDEV_H__
+
+
+
+//**************************************************************************
+// INTERFACE CONFIGURATION MACROS
+//**************************************************************************
+
+/* TODO: frequency */
+#define MCFG_M6M80011AP_ADD(_tag) \
+ MCFG_DEVICE_ADD(_tag, M6M80011AP, XTAL_32_768kHz)
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+enum eeprom_cmd_t
+{
+ EEPROM_GET_CMD = 0,
+ EEPROM_READ,
+ EEPROM_WRITE,
+ EEPROM_WRITE_ENABLE,
+ EEPROM_WRITE_DISABLE,
+ EEPROM_STATUS_OUTPUT
+};
+
+
+// ======================> m6m80011ap_device
+
+class m6m80011ap_device : public device_t,
+ public device_nvram_interface
+{
+public:
+ // construction/destruction
+ m6m80011ap_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // I/O operations
+ DECLARE_READ_LINE_MEMBER( read_bit );
+ DECLARE_READ_LINE_MEMBER( ready_line );
+ DECLARE_WRITE_LINE_MEMBER( set_cs_line );
+ DECLARE_WRITE_LINE_MEMBER( set_clock_line );
+ DECLARE_WRITE_LINE_MEMBER( write_bit );
+
+protected:
+ // device-level overrides
+ virtual void device_validity_check(validity_checker &valid) const;
+ virtual void device_start();
+ virtual void device_reset();
+
+ virtual void nvram_default();
+ virtual void nvram_read(emu_file &file);
+ virtual void nvram_write(emu_file &file);
+
+private:
+ UINT8 m_latch;
+ UINT8 m_reset_line;
+ UINT8 m_cmd_stream_pos;
+ UINT32 m_current_cmd;
+ UINT8 m_read_latch;
+ UINT8 m_current_addr;
+ UINT8 m_eeprom_we;
+
+ eeprom_cmd_t m_eeprom_state;
+ UINT16 m_eeprom_data[0x80];
+
+};
+
+
+// device type definition
+extern const device_type M6M80011AP;
+
+
+
+//**************************************************************************
+// GLOBAL VARIABLES
+//**************************************************************************
+
+
+
+#endif