Shorten load times and avoid ANR on android with libretro when loading a
GD-ROM game. Load and decrypt data by 16 KB chunk when needed.
Issue #1457
Issue #1738
Emulate 1.02 dimm board without network so that the bios detects it and
shows the expected GD-ROM SYSTEM boot screen.
Fix rom board serial id issue (error 04) with ikaruga, tetkiwam,
puyofev[j] and sprtjam.
Issue #1735
Add naomigd and naomidev bios definitions (unused).
Use netdimm for mj1 and wccf* series (still not working).
Copy cart dma data in 1K chunks to avoid transferring all in one shot.
Fixes Soul Surfer and Beach Spiker audio glitches when playing a sample
before it's completely transferred.
Issue #1513
introduce Storage abstraction interfaces
use Storage i/f to load zip and 7z archives, cdi/cue/gdi/chd media,
cheats and to find custom textures.
Use android file picker to add storage. Request persisted access perms.
jni helper classes.
Issue #813
gd cart: load first .bin if the specified one isn't found. Fix loading
of main directory for mj1. Don't update progress too often when
decrypting.
chd: allow loading of 1-track CD-ROMs
Use 2 jvs boards for mj1
Issue #985
* cmake: use c++17
* Use std::size
* Use std::make_unique
* Use std::clamp
* Use structured binding
* Use [[fallthrough]]
* Use enable_if_t/is_enum_v/is_integral_v/is_same_v
* Use if constexpr
* Use try_emplace
* Use auto for iterators
* Use inline variables
Verify md5 of flash, eeprom, vmus if no savestate used
Use chd header SHA1 as digest
Load .state.net state file at start
Force real BIOS for some games
Pass LoadProgress object to report load progress and cancel
Better UI
Cancel with exception
Fix issues when stopping/exiting in !threaded
dx9: call gui_term on shutdown