Similar update to GBA which does the following:
- reduces input lag by 1 frame by reading user input at beginning of cpu loop
- audio and video timing update, which sends audio and video at every frame possible
- add missing sound state variable, soundTicks for gb and gba
The MBC3 and TAMA5 battery formats save the RTC data including a
`time_t` field which is the last field.
Since `time_t` is 32 bits for 32 bit builds and 64 bits for 64 bit
builds, pad it in the two battery structs with a `uint64_t` and detect
the 4 byte shorter saves made by older 32 bit builds.
Also remove some pointless code in save state reading that also uses
`sizeof(time_t)`.
Add two new constants for RTC data size in gbMemory.h and use them.
Signed-off-by: Rafael Kitover <rkitover@gmail.com>
Conditionally compile out the code for the feature implemented in
16dd5d40 (which is the throttle and frame skip configuration for the
speedup button) for libretro, and use the old behavior of skipping 9
frames.
Affects GBA.cpp and GB.cpp .
Signed-off-by: Rafael Kitover <rkitover@gmail.com>
Add Speedup / Turbo configuration panel which allows setting the
throttle or number of frames to skip for when the speed key is pressed
or turbo is enabled (which just presses the speed key.)
Throttle and frame-skip are mutually exclusive, throttle must be 0 (no
throttle) when number of frames to skip is non-zero. The dialog controls
handle this.
This is implemented in the core in GBA.cpp, GB.cpp and ConfigManager.
Two new options are added both in ConfigManager and in the wx options,
speedup_throttle and speedup_frame_skip, the defaults are:
```
speedup_throttle = 0 (no throttle)
speedup_frame_skip = 9
```
this was the original behavior.
Add support for unsigned ints to wx/opts.cpp for these and for throttle,
this requires a new validator wxUIntValidator to use them in spin
controls.
Clean up appearance of the throttle spin control in the General dialog.
Maximum throttle and speedup_throttle is 600, values much over 500 will
not behave differently from 0 on modern hardware.
Maximum frame skip is 30 at the moment.
Signed-off-by: Rafael Kitover <rkitover@gmail.com>
Gb,gbc and sgb enhanced version of roms and savestates working. Bios loading for gb/gbc works too. No save ram / battery handling yet.
Fix offset and pitch issues with vba rendering and when borders are enabled.
Make a custom cstdint.h header file that includes <tr1/cstdint> if
<cstdint> is not available, because the clang 3.x used on Lion does not
have it. Change all references to <cstdint> to use it instead.
Add missing OpenGL header for older OS X in sdl/SDL.cpp .
When calling HiDPI methods, use respondsToSelector: to check if the
methods are available first.
Fix the bundling/linking script to support multiple copies of the same
dylib with different versions. Necessary to include both the Lion system
libpng and the brew libpng. Including the system libpng is necessary
because it is removed in later versions of OS X.
There are two config params:
rewind_count_max => how many blocks are reserved maximum, higher value leads to greater memory usage naturally but longer rewind log
rewind_interval => default interval is 165ms and higher value leads to more inaccurate rewind but longer rewind log
Also fixes memtell() telling incorrect size because data is not flushed.
wxWidgets front end having too small buffer for rewinds resulting overflows.
- Allow a GBC BIOS to be loaded and run.
- Allow GB ROMs to run in GBC mode if you select GBC in the menu.
- Fix a bug which caused wrong colors in GB games in GBC mode.
- Set the CGB palettes usually set by the BIOS when a GB game is detected (or everything using the BG palette would appear white and sprites would be the wrong color).
- Allow the BIOS itself and the Skip BIOS option to be changed by a reset.
- Fix the coloring issues if you use the GBC boot ROM.
- Implement GBC colorization palette selection.
retro-wertz