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author | 2022-08-04 11:26:42 -0400 | |
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committer | 2022-08-04 11:37:37 -0400 | |
commit | 7c98beb5f4dbf5a4ba267c8a7ce7e3da65517842 (patch) | |
tree | b9c4d57bc84b8647bf3cf859563b779f4c9c4b87 /src/emu/emumem_hem.cpp | |
parent | 744493d3ac98a4b312b929f59dc9db3524369a31 (diff) |
emumem: Add accessors lookup_{read,write]_*_flags to lookup flags without actually doing the access
Diffstat (limited to 'src/emu/emumem_hem.cpp')
-rw-r--r-- | src/emu/emumem_hem.cpp | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/emu/emumem_hem.cpp b/src/emu/emumem_hem.cpp index b835538c3dd..57a02d254f6 100644 --- a/src/emu/emumem_hem.cpp +++ b/src/emu/emumem_hem.cpp @@ -15,6 +15,11 @@ template<int Width, int AddrShift> std::pair<typename emu::detail::handler_entry return std::pair<uX, u16>(m_base[((offset - this->m_address_base) & this->m_address_mask) >> (Width + AddrShift)], this->m_flags); } +template<int Width, int AddrShift> u16 handler_entry_read_memory<Width, AddrShift>::lookup_flags(offs_t offset, uX mem_mask) const +{ + return this->m_flags; +} + template<int Width, int AddrShift> void *handler_entry_read_memory<Width, AddrShift>::get_ptr(offs_t offset) const { return m_base + (((offset - this->m_address_base) & this->m_address_mask) >> (Width + AddrShift)); @@ -39,6 +44,11 @@ template<int Width, int AddrShift> u16 handler_entry_write_memory<Width, AddrShi return this->m_flags; } +template<int Width, int AddrShift> u16 handler_entry_write_memory<Width, AddrShift>::lookup_flags(offs_t offset, uX mem_mask) const +{ + return this->m_flags; +} + template<> void handler_entry_write_memory<0, 0>::write(offs_t offset, u8 data, u8 mem_mask) const { m_base[(offset - this->m_address_base) & this->m_address_mask] = data; @@ -74,6 +84,11 @@ template<int Width, int AddrShift> std::pair<typename emu::detail::handler_entry return std::pair<uX, u16>(static_cast<uX *>(m_bank.base())[((offset - this->m_address_base) & this->m_address_mask) >> (Width + AddrShift)], this->m_flags); } +template<int Width, int AddrShift> u16 handler_entry_read_memory_bank<Width, AddrShift>::lookup_flags(offs_t offset, uX mem_mask) const +{ + return this->m_flags; +} + template<int Width, int AddrShift> void *handler_entry_read_memory_bank<Width, AddrShift>::get_ptr(offs_t offset) const { return static_cast<uX *>(m_bank.base()) + (((offset - this->m_address_base) & this->m_address_mask) >> (Width + AddrShift)); @@ -98,6 +113,11 @@ template<int Width, int AddrShift> u16 handler_entry_write_memory_bank<Width, Ad return this->m_flags; } +template<int Width, int AddrShift> u16 handler_entry_write_memory_bank<Width, AddrShift>::lookup_flags(offs_t offset, uX mem_mask) const +{ + return this->m_flags; +} + template<> void handler_entry_write_memory_bank<0, 0>::write(offs_t offset, u8 data, u8 mem_mask) const { static_cast<uX *>(m_bank.base())[(offset - this->m_address_base) & this->m_address_mask] = data; |