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Diffstat (limited to 'src/devices/cpu/sh/sh7604_bus.h')
-rw-r--r--src/devices/cpu/sh/sh7604_bus.h77
1 files changed, 77 insertions, 0 deletions
diff --git a/src/devices/cpu/sh/sh7604_bus.h b/src/devices/cpu/sh/sh7604_bus.h
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index 00000000000..486ff93558f
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+++ b/src/devices/cpu/sh/sh7604_bus.h
@@ -0,0 +1,77 @@
+// license:BSD-3-Clause
+// copyright-holders:Angelo Salese
+/***************************************************************************
+
+ SH7604 BUS Controller
+
+***************************************************************************/
+
+#ifndef MAME_CPU_SH2_SH7604_BUS_H
+#define MAME_CPU_SH2_SH7604_BUS_H
+
+#pragma once
+
+
+
+//**************************************************************************
+// INTERFACE CONFIGURATION MACROS
+//**************************************************************************
+
+#define MCFG_SH7604_BUS_ADD(_tag,_freq) \
+ MCFG_DEVICE_ADD(_tag, SH7604_BUS, _freq)
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> sh7604_bus_device
+
+class sh7604_bus_device : public device_t
+{
+public:
+ // construction/destruction
+ sh7604_bus_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+ // I/O operations
+ DECLARE_ADDRESS_MAP( bus_regs, 16 );
+
+ DECLARE_WRITE32_MEMBER( write );
+ DECLARE_READ32_MEMBER( read );
+ DECLARE_READ16_MEMBER( bus_control_1_r );
+ DECLARE_WRITE16_MEMBER( bus_control_1_w );
+ DECLARE_READ16_MEMBER( bus_control_2_r );
+ DECLARE_WRITE16_MEMBER( bus_control_2_w );
+ DECLARE_READ16_MEMBER( wait_control_r );
+ DECLARE_WRITE16_MEMBER( wait_control_w );
+ DECLARE_READ16_MEMBER( memory_control_r );
+ DECLARE_WRITE16_MEMBER( memory_control_w );
+ DECLARE_READ16_MEMBER( refresh_timer_status_r );
+ DECLARE_WRITE16_MEMBER( refresh_timer_control_w );
+ DECLARE_READ16_MEMBER( refresh_timer_counter_r );
+ DECLARE_WRITE16_MEMBER( refresh_timer_counter_w );
+ DECLARE_READ16_MEMBER( refresh_timer_constant_r );
+ DECLARE_WRITE16_MEMBER( refresh_timer_constant_w );
+
+protected:
+ // device-level overrides
+ //virtual void device_validity_check(validity_checker &valid) const;
+ virtual void device_start() override;
+ virtual void device_reset() override;
+
+private:
+ bool m_is_slave;
+ const address_space_config m_space_config;
+
+ uint16_t m_bcr1;
+ uint16_t m_bcr2;
+ uint16_t m_wcr;
+ uint16_t m_mcr;
+ uint16_t m_rtcsr;
+ uint16_t m_rtcor;
+};
+
+
+// device type definition
+DECLARE_DEVICE_TYPE(SH7604_BUS, sh7604_bus_device)
+
+#endif // MAME_CPU_SH2_SH7604_BUS_H