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-rw-r--r--src/devices/bus/astrocde/rom.h73
1 files changed, 73 insertions, 0 deletions
diff --git a/src/devices/bus/astrocde/rom.h b/src/devices/bus/astrocde/rom.h
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+// license:BSD-3-Clause
+// copyright-holders:Fabio Priuli
+#ifndef __ASTROCADE_ROM_H
+#define __ASTROCADE_ROM_H
+
+#include "slot.h"
+
+
+// ======================> astrocade_rom_device
+
+class astrocade_rom_device : public device_t,
+ public device_astrocade_cart_interface
+{
+public:
+ // construction/destruction
+ astrocade_rom_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);
+ astrocade_rom_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_rom);
+};
+
+// ======================> astrocade_rom_256k_device
+
+class astrocade_rom_256k_device : public astrocade_rom_device
+{
+public:
+ // construction/destruction
+ astrocade_rom_256k_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ virtual void device_start();
+ virtual void device_reset();
+
+ // reading and writing
+ virtual DECLARE_READ8_MEMBER(read_rom);
+
+private:
+ UINT8 m_base_bank;
+};
+
+// ======================> astrocade_rom_512k_device
+
+class astrocade_rom_512k_device : public astrocade_rom_device
+{
+public:
+ // construction/destruction
+ astrocade_rom_512k_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ virtual void device_start();
+ virtual void device_reset();
+
+ // reading and writing
+ virtual DECLARE_READ8_MEMBER(read_rom);
+
+private:
+ UINT8 m_base_bank;
+};
+
+
+
+
+
+// device type definition
+extern const device_type ASTROCADE_ROM_STD;
+extern const device_type ASTROCADE_ROM_256K;
+extern const device_type ASTROCADE_ROM_512K;
+
+
+#endif