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-rw-r--r--src/emu/machine/mm58274c.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/src/emu/machine/mm58274c.h b/src/emu/machine/mm58274c.h
new file mode 100644
index 00000000000..983d501dc59
--- /dev/null
+++ b/src/emu/machine/mm58274c.h
@@ -0,0 +1,56 @@
+#ifndef MM58274C_H
+#define MM58274C_H
+
+/***************************************************************************
+ MACROS
+***************************************************************************/
+
+class mm58274c_device : public device_t
+{
+public:
+ mm58274c_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+ ~mm58274c_device() { global_free(m_token); }
+
+ // access to legacy token
+ void *token() const { assert(m_token != NULL); return m_token; }
+protected:
+ // device-level overrides
+ virtual void device_config_complete();
+ virtual void device_start();
+ virtual void device_reset();
+private:
+ // internal state
+ void *m_token;
+};
+
+extern const device_type MM58274C;
+
+
+/***************************************************************************
+ FUNCTION PROTOTYPES
+***************************************************************************/
+/* interface */
+/*
+ Initializes the clock chip.
+ day1 must be set to a value from 0 (sunday), 1 (monday) ...
+ to 6 (saturday) and is needed to correctly retrieve the day-of-week
+ from the host system clock.
+*/
+struct mm58274c_interface
+{
+ int mode24; /* 24/12 mode */
+ int day1; /* first day of week */
+};
+
+DECLARE_READ8_DEVICE_HANDLER ( mm58274c_r );
+DECLARE_WRITE8_DEVICE_HANDLER( mm58274c_w );
+
+/***************************************************************************
+ DEVICE CONFIGURATION MACROS
+***************************************************************************/
+
+#define MCFG_MM58274C_ADD(_tag, _intrf) \
+ MCFG_DEVICE_ADD(_tag, MM58274C, 0) \
+ MCFG_DEVICE_CONFIG(_intrf)
+
+#endif /* MM58274C_H */