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Diffstat (limited to 'src/devices/bus/cpc/cpc_rom.h')
-rw-r--r--src/devices/bus/cpc/cpc_rom.h90
1 files changed, 90 insertions, 0 deletions
diff --git a/src/devices/bus/cpc/cpc_rom.h b/src/devices/bus/cpc/cpc_rom.h
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+++ b/src/devices/bus/cpc/cpc_rom.h
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+// license:BSD-3-Clause
+// copyright-holders:Barry Rodewald
+/*
+ * cpc_rom.h
+ * Amstrad CPC mountable ROM image device
+ *
+ */
+
+#ifndef CPC_ROM_H_
+#define CPC_ROM_H_
+
+#include "emu.h"
+#include "cpcexp.h"
+
+/*** ROM image device ***/
+
+// ======================> rom_image_device
+
+class rom_image_device : public device_t,
+ public device_image_interface
+{
+public:
+ // construction/destruction
+ rom_image_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+ virtual ~rom_image_device();
+
+ // image-level overrides
+ virtual bool call_load();
+ virtual void call_unload();
+
+ virtual iodevice_t image_type() const { return IO_ROM; }
+
+ virtual bool is_readable() const { return 1; }
+ virtual bool is_writeable() const { return 0; }
+ virtual bool is_creatable() const { return 0; }
+ virtual bool must_be_loaded() const { return 0; }
+ virtual bool is_reset_on_load() const { return 1; }
+ virtual const char *image_interface() const { return "cpc_rom"; }
+ virtual const char *file_extensions() const { return "rom,bin"; }
+ virtual const option_guide *create_option_guide() const { return NULL; }
+
+ UINT8* base() { return m_base; }
+
+protected:
+ // device-level overrides
+ virtual void device_config_complete() { update_names(); }
+ virtual void device_start();
+
+private:
+ UINT8* m_base;
+};
+
+
+// device type definition
+extern const device_type ROMSLOT;
+
+
+#define MCFG_ROMSLOT_ADD(_tag) \
+ MCFG_DEVICE_ADD(_tag, ROMSLOT, 0)
+
+/*** ROM box device ***/
+
+class cpc_rom_device : public device_t,
+ public device_cpc_expansion_card_interface
+{
+public:
+ // construction/destruction
+ cpc_rom_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // optional information overrides
+ virtual machine_config_constructor device_mconfig_additions() const;
+
+ UINT8* base(UINT8 slot) { if(slot >=1 && slot <= 8) return m_rom[slot]->base(); else return NULL; }
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+
+private:
+ //cpc_expansion_slot_device *m_slot;
+
+ rom_image_device* m_rom[8];
+};
+
+// device type definition
+extern const device_type CPC_ROM;
+
+
+#endif