summaryrefslogtreecommitdiffstatshomepage
path: root/src/emu/machine/msm5832.h
diff options
context:
space:
mode:
author Curt Coder <curtcoder@mail.com>2011-04-17 14:12:06 +0000
committer Curt Coder <curtcoder@mail.com>2011-04-17 14:12:06 +0000
commit8511e831064a6a82a35ef13be0152b6eff39cf02 (patch)
treeb9c275aa2f72ce78e95b514d6c50f2e3c5b1ffc4 /src/emu/machine/msm5832.h
parent4f3f0decb8a43cf1b36975d0948f9fe7c1d6e5fc (diff)
Moved files to correct folder.
Diffstat (limited to 'src/emu/machine/msm5832.h')
-rw-r--r--src/emu/machine/msm5832.h118
1 files changed, 118 insertions, 0 deletions
diff --git a/src/emu/machine/msm5832.h b/src/emu/machine/msm5832.h
new file mode 100644
index 00000000000..4b6b39bf301
--- /dev/null
+++ b/src/emu/machine/msm5832.h
@@ -0,0 +1,118 @@
+/**********************************************************************
+
+ OKI MSM5832 Real Time Clock/Calendar emulation
+
+ Copyright MESS Team.
+ Visit http://mamedev.org for licensing and usage restrictions.
+
+**********************************************************************
+ _____ _____
+ Vdd 1 |* \_/ | 18 HOLD
+ WRITE 2 | | 17 _XT
+ READ 3 | | 16 XT
+ A0 4 | | 15 +- 30 ADJ
+ A1 5 | MSM5832 | 14 TEST
+ A2 6 | | 13 GND
+ A3 7 | | 12 D3
+ CS 8 | | 11 D2
+ D0 9 |_____________| 10 D1
+
+**********************************************************************/
+
+#pragma once
+
+#ifndef __MSM5832__
+#define __MSM5832__
+
+#include "emu.h"
+
+
+
+//**************************************************************************
+// INTERFACE CONFIGURATION MACROS
+//**************************************************************************
+
+#define MCFG_MSM5832_ADD(_tag, _clock) \
+ MCFG_DEVICE_ADD(_tag, MSM5832, _clock)
+
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> msm5832_device_config
+
+class msm5832_device_config : public device_config
+{
+ friend class msm5832_device;
+
+ // construction/destruction
+ msm5832_device_config(const machine_config &mconfig, const char *tag, const device_config *owner, UINT32 clock);
+
+public:
+ // allocators
+ static device_config *static_alloc_device_config(const machine_config &mconfig, const char *tag, const device_config *owner, UINT32 clock);
+ virtual device_t *alloc_device(running_machine &machine) const;
+};
+
+
+
+// ======================> msm5832_device
+
+class msm5832_device : public device_t
+{
+ friend class msm5832_device_config;
+
+ // construction/destruction
+ msm5832_device(running_machine &_machine, const msm5832_device_config &_config);
+
+public:
+ DECLARE_READ8_MEMBER( data_r );
+ DECLARE_WRITE8_MEMBER( data_w );
+
+ void address_w(UINT8 data);
+
+ DECLARE_WRITE_LINE_MEMBER( adj_w );
+ DECLARE_WRITE_LINE_MEMBER( test_w );
+ DECLARE_WRITE_LINE_MEMBER( hold_w );
+
+ DECLARE_WRITE_LINE_MEMBER( read_w );
+ DECLARE_WRITE_LINE_MEMBER( write_w );
+ DECLARE_WRITE_LINE_MEMBER( cs_w );
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
+
+private:
+ static const device_timer_id TIMER_CLOCK = 0;
+
+ inline int read_counter(int counter);
+ inline void write_counter(int counter, int value);
+ inline void advance_seconds();
+ inline void advance_minutes();
+
+ UINT8 m_reg[13]; // registers
+
+ int m_hold; // counter hold
+ int m_address; // address
+
+ int m_read;
+ int m_write;
+ int m_cs;
+
+ // timers
+ emu_timer *m_clock_timer;
+
+ const msm5832_device_config &m_config;
+};
+
+
+// device type definition
+extern const device_type MSM5832;
+
+
+
+#endif