diff options
Diffstat (limited to 'src/emu/dirom.h')
-rw-r--r-- | src/emu/dirom.h | 50 |
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 |