diff options
author | 2021-11-28 17:49:58 +0100 | |
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committer | 2021-11-28 17:51:46 +0100 | |
commit | 8027428e4d7ef0e1ebd9cb56dc058ef5c1b4257b (patch) | |
tree | 8f87ad1fc10a66c5070cac953cf0f720afa6dfe8 /src/emu/emumem_hedp.h | |
parent | de1b03e4cd07d77c2946e5966630d0620180e9b0 (diff) |
Fun with flags: Allows handlers to have user-defined flags set on
them, which can them be picked up on access with the
{read,write}_*_flags variants of the accessors. Example use with the
i960 and its burstable rom/ram.
Diffstat (limited to 'src/emu/emumem_hedp.h')
-rw-r--r-- | src/emu/emumem_hedp.h | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/src/emu/emumem_hedp.h b/src/emu/emumem_hedp.h index 1481829090c..805521643c8 100644 --- a/src/emu/emumem_hedp.h +++ b/src/emu/emumem_hedp.h @@ -7,17 +7,18 @@ // handler_entry_read_delegate/handler_entry_write_delegate -// Executes an access through called a delegate, usually containing a handler or a lambda +// Executes an access through a delegate, usually containing a handler or a lambda template<int Width, int AddrShift, typename READ> class handler_entry_read_delegate : public handler_entry_read_address<Width, AddrShift> { public: using uX = typename emu::detail::handler_entry_size<Width>::uX; - handler_entry_read_delegate(address_space *space, const READ &delegate) : handler_entry_read_address<Width, AddrShift>(space, 0), m_delegate(delegate) {} + handler_entry_read_delegate(address_space *space, u16 flags, const READ &delegate) : handler_entry_read_address<Width, AddrShift>(space, flags), m_delegate(delegate) {} ~handler_entry_read_delegate() = default; uX read(offs_t offset, uX mem_mask) const override; + std::pair<uX, u16> read_flags(offs_t offset, uX mem_mask) const override; std::string name() const override; @@ -72,10 +73,11 @@ template<int Width, int AddrShift, typename WRITE> class handler_entry_write_del public: using uX = typename emu::detail::handler_entry_size<Width>::uX; - handler_entry_write_delegate(address_space *space, const WRITE &delegate) : handler_entry_write_address<Width, AddrShift>(space, 0), m_delegate(delegate) {} + handler_entry_write_delegate(address_space *space, u16 flags, const WRITE &delegate) : handler_entry_write_address<Width, AddrShift>(space, flags), m_delegate(delegate) {} ~handler_entry_write_delegate() = default; void write(offs_t offset, uX data, uX mem_mask) const override; + u16 write_flags(offs_t offset, uX data, uX mem_mask) const override; std::string name() const override; @@ -135,10 +137,11 @@ template<int Width, int AddrShift> class handler_entry_read_ioport : public hand public: using uX = typename emu::detail::handler_entry_size<Width>::uX; - handler_entry_read_ioport(address_space *space, ioport_port *port) : handler_entry_read<Width, AddrShift>(space, 0), m_port(port) {} + handler_entry_read_ioport(address_space *space, u16 flags, ioport_port *port) : handler_entry_read<Width, AddrShift>(space, flags), m_port(port) {} ~handler_entry_read_ioport() = default; uX read(offs_t offset, uX mem_mask) const override; + std::pair<uX, u16> read_flags(offs_t offset, uX mem_mask) const override; std::string name() const override; @@ -151,10 +154,11 @@ template<int Width, int AddrShift> class handler_entry_write_ioport : public han public: using uX = typename emu::detail::handler_entry_size<Width>::uX; - handler_entry_write_ioport(address_space *space, ioport_port *port) : handler_entry_write<Width, AddrShift>(space, 0), m_port(port) {} + handler_entry_write_ioport(address_space *space, u16 flags, ioport_port *port) : handler_entry_write<Width, AddrShift>(space, flags), m_port(port) {} ~handler_entry_write_ioport() = default; void write(offs_t offset, uX data, uX mem_mask) const override; + u16 write_flags(offs_t offset, uX data, uX mem_mask) const override; std::string name() const override; |