diff options
Diffstat (limited to 'src/emu/emumem_hedr.h')
-rw-r--r-- | src/emu/emumem_hedr.h | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/src/emu/emumem_hedr.h b/src/emu/emumem_hedr.h index 30e819bd990..0ef50471e8f 100644 --- a/src/emu/emumem_hedr.h +++ b/src/emu/emumem_hedr.h @@ -3,7 +3,8 @@ // handler_entry_read_dispatch -// dispatches an access among multiple handlers indexed on part of the address +// dispatches an access among multiple handlers indexed on part of the +// address and when appropriate a selected view template<int HighBits, int Width, int AddrShift, endianness_t Endian> class handler_entry_read_dispatch : public handler_entry_read<Width, AddrShift, Endian> { @@ -13,6 +14,8 @@ public: using mapping = typename inh::mapping; handler_entry_read_dispatch(address_space *space, const handler_entry::range &init, handler_entry_read<Width, AddrShift, Endian> *handler); + handler_entry_read_dispatch(address_space *space, memory_view &view); + handler_entry_read_dispatch(handler_entry_read_dispatch<HighBits, Width, AddrShift, Endian> *src); ~handler_entry_read_dispatch(); uX read(offs_t offset, uX mem_mask) const override; @@ -35,9 +38,13 @@ public: void enumerate_references(handler_entry::reflist &refs) const override; - virtual const handler_entry_read<Width, AddrShift, Endian> *const *get_dispatch() const override; + const handler_entry_read<Width, AddrShift, Endian> *const *get_dispatch() const override; + void select_a(int slot) override; + void select_u(int slot) override; + void init_handlers(offs_t start_entry, offs_t end_entry, u32 lowbits, handler_entry_read<Width, AddrShift, Endian> **dispatch, handler_entry::range *ranges) override; + handler_entry_read<Width, AddrShift, Endian> *dup() override; -protected: +private: static constexpr int Level = emu::detail::handler_entry_dispatch_level(HighBits); static constexpr u32 LowBits = emu::detail::handler_entry_dispatch_lowbits(HighBits, Width, AddrShift); static constexpr u32 BITCOUNT = HighBits > LowBits ? HighBits - LowBits : 0; @@ -47,10 +54,17 @@ protected: static constexpr offs_t HIGHMASK = make_bitmask<offs_t>(HighBits) ^ LOWMASK; static constexpr offs_t UPMASK = ~make_bitmask<offs_t>(HighBits); - handler_entry_read<Width, AddrShift, Endian> *m_dispatch[COUNT]; - handler_entry::range m_ranges[COUNT]; + memory_view *m_view; + + std::vector<std::array<handler_entry_read<Width, AddrShift, Endian> *, COUNT>> m_dispatch_array; + std::vector<std::array<handler_entry::range, COUNT>> m_ranges_array; + + handler_entry_read<Width, AddrShift, Endian> **m_a_dispatch; + handler_entry::range *m_a_ranges; + + handler_entry_read<Width, AddrShift, Endian> **m_u_dispatch; + handler_entry::range *m_u_ranges; -private: void populate_nomirror_subdispatch(offs_t entry, offs_t start, offs_t end, offs_t ostart, offs_t oend, handler_entry_read<Width, AddrShift, Endian> *handler); void populate_mirror_subdispatch(offs_t entry, offs_t start, offs_t end, offs_t ostart, offs_t oend, offs_t mirror, handler_entry_read<Width, AddrShift, Endian> *handler); |