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-rw-r--r--src/emu/dirom.h50
1 files changed, 25 insertions, 25 deletions
diff --git a/src/emu/dirom.h b/src/emu/dirom.h
index 761e1d357ec..72d844f8b0e 100644
--- a/src/emu/dirom.h
+++ b/src/emu/dirom.h
@@ -7,53 +7,53 @@
Interface to a rom, either through a memory map or a region
***************************************************************************/
+#ifndef MAME_EMU_DIROM_H
+#define MAME_EMU_DIROM_H
#pragma once
-#ifndef __EMU_H__
-#error Dont include this file directly; include emu.h instead.
-#endif
-
-#ifndef MAME_EMU_DIROM_H
-#define MAME_EMU_DIROM_H
-class device_rom_interface : public device_memory_interface
+// Beware, DataWidth is 0-3
+template<int AddrWidth, int DataWidth = 0, int AddrShift = 0, endianness_t Endian = ENDIANNESS_LITTLE> class device_rom_interface : public device_memory_interface
{
public:
- device_rom_interface(const machine_config &mconfig, device_t &device, u8 addrwidth, endianness_t endian = ENDIANNESS_LITTLE, u8 datawidth = 8);
- virtual ~device_rom_interface();
+ device_rom_interface(const machine_config &mconfig, device_t &device);
+ virtual ~device_rom_interface() = default;
- void set_device_rom_tag(const char *tag) { m_rom_tag = tag; }
+ template <typename... T> void set_map(T &&... args) { set_addrmap(0, std::forward<T>(args)...); }
+ template <typename T> void set_device_rom_tag(T &&tag) { m_rom_region.set_tag(std::forward<T>(tag)); }
+ template <typename T> void set_space(T &&tag, int spacenum) { m_rom_space.set_tag(tag, spacenum); }
- inline u8 read_byte(offs_t byteaddress) { return m_r8(byteaddress); }
- inline u16 read_word(offs_t byteaddress) { return m_r16(byteaddress); }
- inline u32 read_dword(offs_t byteaddress) { return m_r32(byteaddress); }
- inline u64 read_qword(offs_t byteaddress) { return m_r64(byteaddress); }
+ u8 read_byte(offs_t addr) { return m_rom_cache.read_byte(addr); }
+ u16 read_word(offs_t addr) { return m_rom_cache.read_word(addr); }
+ u32 read_dword(offs_t addr) { return m_rom_cache.read_dword(addr); }
+ u64 read_qword(offs_t addr) { return m_rom_cache.read_qword(addr); }
void set_rom(const void *base, u32 size);
void set_rom_bank(int bank);
protected:
- virtual void rom_bank_updated() = 0;
+ virtual void rom_bank_pre_change() { }
+ virtual void rom_bank_post_change() { }
virtual space_config_vector memory_space_config() const override;
- void set_rom_endianness(endianness_t endian) { assert(!device().configured()); m_rom_config.m_endianness = endian; }
- void set_rom_data_width(u8 width) { assert(!device().configured()); m_rom_config.m_data_width = width; }
- void set_rom_addr_width(u8 width) { assert(!device().configured()); m_rom_config.m_addr_width = m_rom_config.m_logaddr_width = width; }
+ void override_address_width(u8 width);
private:
- const char *m_rom_tag;
+ optional_memory_region m_rom_region;
+ optional_address_space m_rom_space;
address_space_config m_rom_config;
- std::function<u8 (offs_t)> m_r8;
- std::function<u16 (offs_t)> m_r16;
- std::function<u32 (offs_t)> m_r32;
- std::function<u64 (offs_t)> m_r64;
+ typename memory_access<AddrWidth, DataWidth, AddrShift, Endian>::cache m_rom_cache;
- memory_bank *m_bank;
- int m_cur_bank, m_bank_count;
+ memory_bank_creator m_bank;
+ u32 m_cur_bank, m_bank_count;
+ virtual void interface_validity_check(validity_checker &valid) const override;
virtual void interface_pre_start() override;
+ virtual void interface_post_start() override;
virtual void interface_post_load() override;
};
+#include "dirom.ipp"
+
#endif // MAME_EMU_DIROM_H