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-rw-r--r--src/devices/bus/scv/rom.h151
1 files changed, 151 insertions, 0 deletions
diff --git a/src/devices/bus/scv/rom.h b/src/devices/bus/scv/rom.h
new file mode 100644
index 00000000000..412f72acfef
--- /dev/null
+++ b/src/devices/bus/scv/rom.h
@@ -0,0 +1,151 @@
+// license:BSD-3-Clause
+// copyright-holders:Fabio Priuli
+#ifndef __SCV_ROM_H
+#define __SCV_ROM_H
+
+#include "slot.h"
+
+
+// ======================> scv_rom8_device
+
+class scv_rom8_device : public device_t,
+ public device_scv_cart_interface
+{
+public:
+ // construction/destruction
+ scv_rom8_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source);
+ scv_rom8_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // device-level overrides
+ virtual void device_start() {}
+ virtual void device_reset() {}
+
+ // reading and writing
+ virtual DECLARE_READ8_MEMBER(read_cart);
+};
+
+// ======================> scv_rom16_device
+
+class scv_rom16_device : public scv_rom8_device
+{
+public:
+ // construction/destruction
+ scv_rom16_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // reading and writing
+ virtual DECLARE_READ8_MEMBER(read_cart);
+};
+
+
+// ======================> scv_rom32_device
+
+class scv_rom32_device : public scv_rom8_device
+{
+public:
+ // construction/destruction
+ scv_rom32_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // reading and writing
+ virtual DECLARE_READ8_MEMBER(read_cart);
+};
+
+
+// ======================> scv_rom32ram8_device
+
+class scv_rom32ram8_device : public scv_rom8_device
+{
+public:
+ // construction/destruction
+ scv_rom32ram8_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+
+ // reading and writing
+ virtual DECLARE_READ8_MEMBER(read_cart);
+ virtual DECLARE_WRITE8_MEMBER(write_cart);
+ virtual DECLARE_WRITE8_MEMBER(write_bank);
+
+private:
+ UINT8 m_ram_enabled;
+};
+
+
+// ======================> scv_rom64_device
+
+class scv_rom64_device : public scv_rom8_device
+{
+public:
+ // construction/destruction
+ scv_rom64_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+
+ // reading and writing
+ virtual DECLARE_READ8_MEMBER(read_cart);
+ virtual DECLARE_WRITE8_MEMBER(write_bank);
+
+private:
+ UINT8 m_bank_base;
+};
+
+
+// ======================> scv_rom128_device
+
+class scv_rom128_device : public scv_rom8_device
+{
+public:
+ // construction/destruction
+ scv_rom128_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+
+ // reading and writing
+ virtual DECLARE_READ8_MEMBER(read_cart);
+ virtual DECLARE_WRITE8_MEMBER(write_bank);
+
+private:
+ UINT8 m_bank_base;
+};
+
+
+// ======================> scv_rom128ram4_device
+
+class scv_rom128ram4_device : public scv_rom8_device
+{
+public:
+ // construction/destruction
+ scv_rom128ram4_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+
+ // reading and writing
+ virtual DECLARE_READ8_MEMBER(read_cart);
+ virtual DECLARE_WRITE8_MEMBER(write_cart);
+ virtual DECLARE_WRITE8_MEMBER(write_bank);
+
+private:
+ UINT8 m_bank_base, m_ram_enabled;
+};
+
+
+
+// device type definition
+extern const device_type SCV_ROM8K;
+extern const device_type SCV_ROM16K;
+extern const device_type SCV_ROM32K;
+extern const device_type SCV_ROM32K_RAM8K;
+extern const device_type SCV_ROM64K;
+extern const device_type SCV_ROM128K;
+extern const device_type SCV_ROM128K_RAM4K;
+
+
+
+#endif