Use macro NL_NOEXCEPT if debug builds would throw an exception (e.g. by
using nl_assert). This is not entirely safe. Going forward, nl_assert
should call log first and than throw. (nw)
- Eliminate read_safe as a global function and make it a method of optional_ioport (and required_ioport, for which it makes less sense).
- New constructor for optional_ioport_array and required_ioport_array using std::initializer_list to specify tag list
- Remove pointer/reference conversion operators for required_ioport and optional_ioport. Explicit getters like found() and target() are now required when dereferencing isn't wanted. Many drivers have been changed to use required_ioport_array and optional_ioport_array to make this cleaner.
- Update numerous drivers that were using read_safe to use I/O port finders generally. Port names have been kept the same as far as possible to avoid breaking saves.(Some of the optional finders should probably be required.)
- Give edfbl and monkelf their own memory maps so hacky input reading routines can be removed.
- Clean up some legacy static handlers in amiga.cpp and cubo.cpp.
Air Raid, Street Fight and Dark Mist all basically use very similar video systems (4 layers, 2 of them being ROM based tilemaps, a CLUT prom for each layer which controls colours and transparency handling)
this takes some steps towards allowing a common implementation of it.
hiscore.dat and hi folder path were not resolved as expected (their path was relative to mame executable, not to the plugin folder). Explicitly writing them as absolute paths gives the desired behavior.
Instead of using a number of UINT8 with the decoded bit fields of the
MIR (micro instruction register), add inline functions to extract the
bits from m_mir. That ought to be faster, because there are fewer memory
accesses in cases where bit fields are not actually used by an instruction.
The frame rate is really 30 frames (60 fields) per second.
Reading memory after cycle #5 after the MAR<- is possible, because
the Alto 2 contains a latch for the most recent RAM dword.
Thanks to the LCM and ContrAlto source for the hint!
