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-rw-r--r--src/devices/bus/kc/rom.h98
1 files changed, 98 insertions, 0 deletions
diff --git a/src/devices/bus/kc/rom.h b/src/devices/bus/kc/rom.h
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+++ b/src/devices/bus/kc/rom.h
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+// license:BSD-3-Clause
+// copyright-holders:Sandro Ronco
+#pragma once
+
+#ifndef __KC_ROM_H__
+#define __KC_ROM_H__
+
+#include "emu.h"
+#include "kc.h"
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> kc_8k_device
+
+class kc_8k_device :
+ public device_t,
+ public device_kcexp_interface
+{
+public:
+ // construction/destruction
+ kc_8k_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+ kc_8k_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);
+
+ // optional information overrides
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+ virtual const rom_entry *device_rom_region() const;
+
+ // kcexp_interface overrides
+ virtual UINT8 module_id_r() { return 0xfb; }
+ virtual void control_w(UINT8 data);
+ virtual void read(offs_t offset, UINT8 &data);
+ virtual UINT8* get_cart_base();
+ virtual DECLARE_WRITE_LINE_MEMBER( mei_w );
+
+protected:
+ kcexp_slot_device *m_slot;
+
+ // internal state
+ int m_mei; // module enable line
+ UINT8 * m_rom;
+ UINT8 m_enabled;
+ UINT16 m_base;
+};
+
+
+// ======================> kc_m006_device
+
+class kc_m006_device :
+ public kc_8k_device
+{
+public:
+ // construction/destruction
+ kc_m006_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+protected:
+ // kcexp_interface overrides
+ virtual UINT8 module_id_r() { return 0xfc; }
+ virtual void control_w(UINT8 data);
+ virtual void read(offs_t offset, UINT8 &data);
+};
+
+
+// ======================> kc_m033_device
+
+class kc_m033_device :
+ public kc_8k_device
+{
+public:
+ // construction/destruction
+ kc_m033_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+protected:
+ // device-level overrides
+ virtual void device_reset();
+
+ // kcexp_interface overrides
+ virtual UINT8 module_id_r() { return 0x01; }
+ virtual void control_w(UINT8 data);
+ virtual void read(offs_t offset, UINT8 &data);
+
+private:
+ // internal state
+ UINT16 m_bank;
+};
+
+
+// device type definition
+extern const device_type KC_STANDARD;
+extern const device_type KC_M006;
+extern const device_type KC_M033;
+
+#endif /* __KC_ROM_H__ */