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Diffstat (limited to 'src/devices/bus/odyssey2/rom.h')
-rw-r--r--src/devices/bus/odyssey2/rom.h67
1 files changed, 67 insertions, 0 deletions
diff --git a/src/devices/bus/odyssey2/rom.h b/src/devices/bus/odyssey2/rom.h
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index 00000000000..18bfa63c4b4
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+++ b/src/devices/bus/odyssey2/rom.h
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+// license:BSD-3-Clause
+// copyright-holders:Fabio Priuli
+#ifndef __O2_ROM_H
+#define __O2_ROM_H
+
+#include "slot.h"
+
+
+// ======================> o2_rom_device
+
+class o2_rom_device : public device_t,
+ public device_o2_cart_interface
+{
+public:
+ // construction/destruction
+ o2_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);
+ o2_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_rom04);
+ virtual DECLARE_READ8_MEMBER(read_rom0c);
+
+ virtual void write_bank(int bank);
+
+protected:
+ int m_bank_base;
+};
+
+// ======================> o2_rom12_device
+
+class o2_rom12_device : public o2_rom_device
+{
+public:
+ // construction/destruction
+ o2_rom12_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // reading and writing
+ virtual DECLARE_READ8_MEMBER(read_rom04);
+ virtual DECLARE_READ8_MEMBER(read_rom0c);
+};
+
+// ======================> o2_rom16_device
+
+class o2_rom16_device : public o2_rom_device
+{
+public:
+ // construction/destruction
+ o2_rom16_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // reading and writing
+ virtual DECLARE_READ8_MEMBER(read_rom04);
+ virtual DECLARE_READ8_MEMBER(read_rom0c);
+};
+
+
+
+// device type definition
+extern const device_type O2_ROM_STD;
+extern const device_type O2_ROM_12K;
+extern const device_type O2_ROM_16K;
+
+
+#endif