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1176 Commits

Author SHA1 Message Date
phoe-nix
7993451871
Added missing 3 BIOS infos 2020-09-24 07:16:32 +08:00
Connor McLaughlin
40d157aa23
Merge pull request #875 from CookiePLMonster/more-slashes 
Fix an outstanding forward slash showing in the UI
 2020-09-23 22:55:40 +10:00
Connor McLaughlin
21a768f9e8
Merge pull request #878 from ggrtk/bios-image-infos 
BIOS: Update image infos
 2020-09-23 22:55:22 +10:00
Connor McLaughlin
d728bc091b BIOS: Add option to set search directory elsewhere 2020-09-23 22:53:51 +10:00
Albert Liu
9a31eb50f6 BIOS: Add some more BIOS revision hashes 2020-09-22 22:49:46 -07:00
Albert Liu
073c053e36 BIOS: Fix mislabeling on SCPH-5500 hash 2020-09-22 22:49:21 -07:00
Silent
e6431e3599
Fix an outstanding forward slash showing in the UI 2020-09-22 18:24:45 +02:00
Connor McLaughlin
78f06fb711 libretro: Fix breakage with new BIOS detection 2020-09-23 02:11:30 +10:00
Connor McLaughlin
7d01bedf07 BIOS: Automatically detect images, improve selection UI 2020-09-23 00:20:50 +10:00
Silent
92d0dabf54
Make path separators in UI more consistent 2020-09-20 00:08:17 +02:00
Connor McLaughlin
25f45fbd23 CPU: Add hack for stale icache reads in interpreter 2020-09-20 01:38:18 +10:00
Connor McLaughlin
db84bdb560 CDROM: Apply 4 sector penalty to ReadN..ReadN sequence 
Fixes Worms Pinball.
 2020-09-20 01:36:49 +10:00
Connor McLaughlin
9736dc7895 CPU: Fix InterpretUncachedBlock() 
But this shouldn't be hit during normal execution.
 2020-09-20 01:36:49 +10:00
Connor McLaughlin
1d5af57f71 GPU: Halve draw ticks for 480i even with force progressive 
Fixes some of the games broken with the enhancement on.
 2020-09-20 01:36:49 +10:00
Connor McLaughlin
92da9917a8 MemoryCard: Split into image helper functions 2020-09-19 00:28:47 +10:00
Connor McLaughlin
d924130308
AnalogController: Fix Linux build 2020-09-18 00:40:54 +10:00
Connor McLaughlin
7c55940fa8 AnalogController: Fix default value of vibration bias 2020-09-18 00:17:35 +10:00
Connor McLaughlin
e6bff275a6 AnalogController: Set vibration strength to 0 on Reset 2020-09-18 00:13:59 +10:00
Connor McLaughlin
915b7d3726 AnalogController: Use nonlinear mapping of vibration strength 
Curve from Pokopom: https://github.com/KrossX/Pokopom/blob/master/Pokopom/Input_XInput.cpp#L210
 2020-09-17 19:57:10 +10:00
Connor McLaughlin
debfd53618 AnalogController: Use range for large motor, add bias 
Seems the bias is needed for FF8.
 2020-09-17 19:56:27 +10:00
Connor McLaughlin
3bd9f85af8 PostProcessingShaderGen: Use ints instead of bools for options 2020-09-16 11:52:23 +10:00
Silent
1918a5ddd4
STBI: Handle UTF-8 paths correctly 2020-09-14 21:27:22 +02:00
Connor McLaughlin
bb6af3c8fc
Merge pull request #845 from CookiePLMonster/fix-resume 
Fix issues with a -resume parameter
 2020-09-14 00:11:42 +10:00
Connor McLaughlin
441f26706e Qt: Move post processing to its own setting category 2020-09-13 22:27:30 +10:00
Connor McLaughlin
a409a5d45d ShaderGen: More GLSL/HLSL aliases 2020-09-13 20:20:47 +10:00
Connor McLaughlin
c1006bd0ff PostProcessing: Allow fragment coordinate access from shader 2020-09-13 18:50:40 +10:00
Connor McLaughlin
60ed9e7191 PostProcessingShader: Fix errors in shader parsing 2020-09-13 18:39:40 +10:00
Connor McLaughlin
68d08ddbcb Merge branch 'postprocessing' 2020-09-13 12:14:21 +10:00
Connor McLaughlin
3847be86b0 Fix a bunch of random warnings 2020-09-13 11:54:51 +10:00
Silent
2d90cfc07e
Tidy up SystemBootParameters constructors 2020-09-12 23:05:38 +02:00
Connor McLaughlin
2819715260 FrontendCommon: Add a post processing implementation 2020-09-13 01:23:43 +10:00
Connor McLaughlin
2b4568df6a ShaderGen: Split HW shadergen from base 2020-09-13 01:23:43 +10:00
Connor McLaughlin
ccaff2e7cd Settings: Fix incorrect UI for xBR texture filter 2020-09-13 01:21:14 +10:00
Connor McLaughlin
605992f294 Fix Android build 2020-09-12 00:35:38 +10:00
Connor McLaughlin
3625834ea7 GPU/HW: Add loading bar to shader compilation 2020-09-12 00:26:34 +10:00
Connor McLaughlin
6f250a4ff7 GPU/HW: Add JINC2 and xBRZ texture filtering options 
Shaders ported from beetle-psx.
 2020-09-12 00:26:34 +10:00
Connor McLaughlin
5cc91dc78b HostDisplay: Add alignment setting 2020-09-11 00:18:57 +10:00
Connor McLaughlin
03f052e12e FrontendCommon: Add auto cheat loading option 2020-09-09 23:44:02 +10:00
Connor McLaughlin
ddb38ac31d Add pcsxr and libretro cheat list parsing 2020-09-09 22:11:28 +10:00
Connor McLaughlin
45eb30b6cc
Merge pull request #835 from TzakShrike/master 
Upgrade region flags. Correct NTSC-U to NTSC-U/C. Add custom U/C flag. Remove outdated icons.qrc file.
 2020-09-09 18:28:50 +10:00
Sam Pearman
2ef6b6aa40 Region flag upgrade & correct NTSC-U to NTSC-U/C 
Replace references to NTSC-U with the correct NTSC-U/C and adds Canada in user-facing strings.
Replaces all region flags with revised SVGs.
Brings the US flag down to 3:2 to match Europe and Japan.
Adds a custom split US & Canada flag for the U/C region, also 3:2.
Generated PNGs and new HiDPI PNGs for region flags.
Flag PNGs were generated by downscaling using a Lanczos filter to a width of 36/72 pixels, then a 1px grey border added, then a 2/5px transparent border.
 2020-09-09 15:54:07 +09:00
Connor McLaughlin
2cecb8bbdb GPU/Vulkan: End render pass in ClearDisplay() 
Fixes crash on Mesa/radv.
 2020-09-08 11:44:54 +10:00
Connor McLaughlin
9bb278b166 CommonHostInterface: Fix crash on shutdown when using save state selector 2020-09-06 21:03:27 +10:00
Connor McLaughlin
976d4bae79 TimingEvent: Fix crash when invalid save state loaded 2020-09-06 17:47:49 +10:00
Connor McLaughlin
2c36750a0e VulkanHostDisplay: Fix imgui image textures not rendering 2020-09-06 17:47:23 +10:00
Connor McLaughlin
fd0a009a7f System: Add missing <cctype> include 2020-09-03 12:25:59 +10:00
Connor McLaughlin
42d49426e8 CPU/Recompiler/AArch64: Fix crash when calling >26-bit away functions 2020-09-03 00:11:40 +10:00
Connor McLaughlin
a2eaaf0e89 PGXP: Allocate large storage dynamically 
This causes performance issues on ARM otherwise.
 2020-09-03 00:11:40 +10:00
Connor McLaughlin
6bbbb96d4b Move GameList to FrontendCommon 
Reduces libretro core dependencies further.
 2020-09-01 12:46:44 +10:00
Connor McLaughlin
13e3095801 Core: Don't link to imgui for libretro core 2020-09-01 12:22:32 +10:00
Connor McLaughlin
e21fc9e253 GPU/Vulkan: Use half width framebuffer for VRAM readbacks 2020-09-01 12:02:04 +10:00
Connor McLaughlin
d59eb05d94 Timers: Fix update interval for timer2 IRQs being too low 2020-08-31 22:01:05 +10:00
Connor McLaughlin
f187ee4971 TimingEvents: Switch from heap to sorted linked list 2020-08-31 22:00:20 +10:00
Connor McLaughlin
1eac603c79 CPU/Recompiler: AArch64 compile fix 2020-08-30 11:15:02 +10:00
Connor McLaughlin
8d49c71ec1 PGXP: Fix out-of-bounds write in hi/lo 2020-08-30 11:13:27 +10:00
Connor McLaughlin
2b902f6d09
Merge pull request #806 from CookiePLMonster/axis-to-button-map 
Allow mapping axes to buttons
 2020-08-29 23:35:18 +10:00
Silent
057bf986c4
Allow mapping half axes to buttons 
This allows to bind pressure sensitive NeGcon buttons to keyboard,
mouse and controller buttons
 2020-08-29 14:19:28 +02:00
Connor McLaughlin
914f3ad447 GameSettings: Add trait for recompiler icache 2020-08-29 22:11:10 +10:00
Connor McLaughlin
19d6037b99 CPU: Implement instruction cache simulation 
Implemented for all execution modes. Disabled by default in the cached
interpreter and recompiler, always enabled in the pure interpreter.
 2020-08-29 22:07:40 +10:00
Connor McLaughlin
efc00a2d0e GameSettings: Make override messages translatable 2020-08-29 21:58:25 +10:00
Connor McLaughlin
3aecf6be27 GameSettings: Rename 'enable' options to 'force' 
As per discussion on Discord.
 2020-08-29 21:53:53 +10:00
Connor McLaughlin
421c65ea69 GPU/Vulkan: Fix reverse subtract blending with texture filtering 
Fixes pointer in Final Fantasy VII with texture filtering.
 2020-08-24 00:22:56 +10:00
Connor McLaughlin
8f54711c72 Make additional strings in controller settings translatable 2020-08-24 00:22:49 +10:00
Connor McLaughlin
559dc23e4e CDROM: Set playing bit in status after starting 
Fixes menu music in Army Men 3D.
 2020-08-24 00:22:49 +10:00
Connor McLaughlin
9254fc9e63 GPU/HW: Fix UB with reverse subtract and texture filtering on 2020-08-24 00:22:49 +10:00
Connor McLaughlin
17b5c749bf libretro: Re-enable hw context switch, add auto option 2020-08-23 14:51:23 +10:00
Connor McLaughlin
df14519a97 libretro: Recreate resources after context reset 2020-08-23 14:23:34 +10:00
Connor McLaughlin
32921acc5a Timers: Don't read out of bounds for invalid address 2020-08-23 14:03:36 +10:00
Connor McLaughlin
60eb22537b CPU/Recompiler: Flush caller-saved regs before calling functions 
Should provide a very small performance boost.
 2020-08-23 14:03:10 +10:00
Connor McLaughlin
d3f530f96e CPU/CachedInterpreter: Very slight optmization 2020-08-23 01:41:55 +10:00
Connor McLaughlin
d37fba81ed CPU/Interpreter: Fix incorrect downcount comparison 2020-08-23 01:41:55 +10:00
Connor McLaughlin
2768c2c91d System: Fix VRAM sometimes getting lost when loading state 2020-08-22 18:16:35 +10:00
Connor McLaughlin
1d4d1d06a7 CPU/Recompiler: Disable static code buffer on macOS/Haiku 2020-08-22 13:24:57 +10:00
kwyxz
31695c4ff7
Haiku port of duckstation libretro core (#716) 
* Haiku build 1st attempt

* fix load on Haiku

* Removed debugging flags

* Added a couple ifndef
 2020-08-22 13:20:37 +10:00
Connor McLaughlin
ab002e78e1 Support translating strings in emulator core 2020-08-22 13:06:20 +10:00
Connor McLaughlin
f852be74e8 Compile fix for Linux/libretro 2020-08-21 00:26:22 +10:00
Connor McLaughlin
bca609a2a6 Qt: Add option to disable per-game settings 2020-08-21 00:09:37 +10:00
Connor McLaughlin
c3ce9135bf Fix recompiler not auto-disabling with PGXP-CPU mode 2020-08-21 00:09:37 +10:00
Connor McLaughlin
60d3fffec1 Add per-game overrides (mainly for compatibility) 2020-08-21 00:09:37 +10:00
Connor McLaughlin
0d4fe1eb71
Fix Linux build again 2020-08-20 01:21:36 +10:00
Connor McLaughlin
6a17a558bb CPU: Linux compile fix 2020-08-20 01:05:03 +10:00
Connor McLaughlin
b17335d812 GTE: Increase z precision in PGXP mode 2020-08-20 00:49:42 +10:00
Connor McLaughlin
daa72aba10 CPU: Skip executing nop instructions 
Makes PGXP CPU mode quicker, as well as a performance improvement to the
regular interpreter.
 2020-08-20 00:49:39 +10:00
Connor McLaughlin
2e9f656546 CPU: Implement PGXP CPU Mode 
This is *very* slow. You don't want to enable it if you don't need it.
It is also incompatible with the recompiler and will disable it if the
option is enabled.
 2020-08-20 00:49:39 +10:00
Connor McLaughlin
e1c29510f1 GPU/OpenGL: Fix incorrect framebuffer clear for interlacing 2020-08-19 00:45:08 +10:00
Connor McLaughlin
c9c2c00c1a GPU: Update GPUSTAT.13 with field 
Doubt this'll change much..
 2020-08-19 00:02:37 +10:00
Connor McLaughlin
6d75f42e12 CDROM: Update last subq even when auto-pausing 
Fixes music looping in Fighting Force.
 2020-08-18 00:13:21 +10:00
Connor McLaughlin
7c697f363e libretro: Make single cards for playlist the default, fix disabled case 
This bug was causing the option to act as if it was disabled anyway.
 2020-08-17 11:51:47 +10:00
Connor McLaughlin
f65651823e GPU: Simplify hsync handling 
Fixes character lighting in Monkey Hero.
 2020-08-17 01:22:03 +10:00
Connor McLaughlin
4e62b32d60 Add option to dump the contents of RAM to a file 2020-08-16 23:20:36 +10:00
Connor McLaughlin
10a46a7fd8 OSD: Add option to show display resolution 2020-08-16 00:20:11 +10:00
Connor McLaughlin
26aa627deb GPU/HW: Include resolution in scale change message 2020-08-16 00:20:11 +10:00
Connor McLaughlin
f5fb8186c7 Switch some messages to the OSD and increase durations 2020-08-16 00:20:10 +10:00
Connor McLaughlin
e0e76b881d System: Bump save state version 2020-08-16 00:20:10 +10:00
Connor McLaughlin
d9893bb127 System: Add option to use a single memory card for playlists 2020-08-16 00:20:10 +10:00
Connor McLaughlin
dedeee1698 System: Track playlists in save states 2020-08-16 00:20:10 +10:00
Connor McLaughlin
8fa965a1ac GameList: Support playlist entries 2020-08-16 00:20:10 +10:00
Connor McLaughlin
d4665e8b22 GPU: Tweaks to ODE handling 
Fixes Team Buddies and The Next Tetris.
 2020-08-16 00:20:10 +10:00
Connor McLaughlin
c5db7db182 Build: Compile source as UTF-8 with MSVC 2020-08-15 00:04:38 +10:00
Connor McLaughlin
025e01ca47 CPU: Fix exceptions clobbering cop0.cause.Ip 
Fixes Gran Turismo 2 (PAL).
 2020-08-14 23:55:16 +10:00
Connor McLaughlin
e6156e2adb GPU/ShaderGen: Move transparent compensation to bilinear function 2020-08-12 02:27:52 +10:00
Connor McLaughlin
bb344a4e1e GPU/D3D11: Fix crash/hang when toggling bilinear setting 2020-08-12 02:27:52 +10:00
Connor McLaughlin
d1ee6c0da7 GPU/HW: Make settings update slightly safer 2020-08-12 02:27:52 +10:00
Connor McLaughlin
17a1719450 GPU/HW: Fix incorrect texel offset when upscaling 
Fixes incorrectly coloured triangles in Tomb Raider.
 2020-08-12 02:27:52 +10:00
Connor McLaughlin
d733553425 GPU/HW: Don't display a deleted texture in D3D/OpenGL when updating settings 2020-08-11 04:03:11 +10:00
Connor McLaughlin
2130d3b004 GPU/Vulkan: Don't add UV limits as attribute when unused 2020-08-11 03:58:59 +10:00
Connor McLaughlin
fba2488bc5 GPU/D3D11: Don't add UV limits to input layout when unused 2020-08-11 03:58:59 +10:00
Connor McLaughlin
bf9ac64183 GPU/D3D11: Don't leak input layout objects 2020-08-11 03:48:24 +10:00
Connor McLaughlin
3a020ef87e HostInterface; Fix crash on shutdown if boot fails 2020-08-11 03:01:08 +10:00
Connor McLaughlin
5c6e92cdfc GPU/HW: Disable coordinate clamping when unnecessary 2020-08-10 23:28:37 +10:00
Connor McLaughlin
b95ce993e0 GPU/HW: Clamp interpolated UVs to polygon limits 
Fixes texture filtering and PGXP issues in some games.
 2020-08-10 23:28:37 +10:00
Connor McLaughlin
5b9db71b87 CPU/Recompiler: Fix mid-block software interrupts not updating pc 
Fixes Need for Speed: High Stakes hanging at boot.
 2020-08-09 04:32:53 +10:00
Connor McLaughlin
223074b78f SPU: Fix activating transfer event with a downcount of 0 
Happened when loading states.
 2020-08-09 04:29:43 +10:00
Connor McLaughlin
70767dc6bf CPU/Recompiler/AArch64: Use cmn for negative constant comparisons 2020-08-08 23:44:13 +10:00
Connor McLaughlin
901ca71fdc CPU/Recompiler: Add temporary inhibiting of register allocation 2020-08-08 23:44:13 +10:00
Connor McLaughlin
1d5f810a4b CPU/Recompiler: Disable memory access exceptions by default 
This means it'll no longer pass amidog's CPU test in the default config.
But no games rely on this. You can enable it in advanced options if you
want to pass the CPU test.
 2020-08-08 23:44:13 +10:00
Connor McLaughlin
b1377fe0d9 CPU/Recompiler: Add a fast block lookup array 
Up to 15% perf improvement.
 2020-08-08 23:06:28 +10:00
Connor McLaughlin
f6e88353eb CPU/Recompiler: Make generated code invariant to virtual PC 2020-08-08 23:06:28 +10:00
Connor McLaughlin
8d4216068a CPU/Recompiler: Implement div/divu 2020-08-08 23:06:27 +10:00
Connor McLaughlin
a2f271c505 CPU: Simplify some exception checks in cop0-3 2020-08-07 17:05:01 +10:00
Connor McLaughlin
e5c46a54b7 System: Restore/reset state on recreating GPU/updating settings 
Fixes display corruption on RetroArch when switching renderers.
 2020-08-06 23:20:52 +10:00
Connor McLaughlin
359234080a D3D11: Set GS to null when restoring state 
Fixes the D3D11 renderer being broken on RetroArch due to it leaving a
geometry shader bound.
 2020-08-06 23:19:19 +10:00
Connor McLaughlin
6e586311e8 Common: Add title, modal information to ProgressCallback 2020-08-06 19:32:53 +10:00
Connor McLaughlin
466e4099d4 CDROM: Fix handling of logical seeks to audio sectors 
Fixes Wizard's Harmony.
 2020-08-05 03:14:04 +10:00
Connor McLaughlin
dd9705ef31 GPU/HW: Fix last row of oversized writes not applying 
Combined with the wrap changes, fixes Namco Museum motherboard scene.
 2020-08-04 14:40:00 +10:00
Connor McLaughlin
0b0bc32afb GPU/HW: Use texture samplers rather than fetching for batches 
Enables wrap-around.
 2020-08-04 14:40:00 +10:00
Connor McLaughlin
0fc301d654 GPU/HW: Use wrap texture address modes 2020-08-04 14:40:00 +10:00
Connor McLaughlin
231c0b5ff6 GPU/SW: Wrap texture coordinates when sampling 2020-08-04 14:40:00 +10:00
Connor McLaughlin
818892cb1b GPU: Claer interlaced field buffer when enabling 
Fixes old frames getting briefly displayed.
 2020-08-03 03:26:13 +10:00
Connor McLaughlin
23df239469 GPU/HW: Debug build compile fix 2020-08-03 03:26:00 +10:00
Connor McLaughlin
f712c42c21 GPU/HW: Add more details to debug window 2020-08-03 03:06:23 +10:00
Connor McLaughlin
9b7512f7b8 GPU/HW: Implement automatic resolution scale from window size 2020-08-03 03:06:03 +10:00
Connor McLaughlin
be6ae8b70b GPU/Vulkan: Work around Mali crash with readbacks 2020-08-03 02:03:33 +10:00
Connor McLaughlin
b527118c0a GPU/HW: Fix macOS compile 2020-08-02 18:04:00 +10:00
Connor McLaughlin
92975b2e81 GPU/HW: Tiny performance optimization in polygon loading 2020-08-02 17:32:43 +10:00
Connor McLaughlin
96ba9198ef GPU/HW: Expand lines into triangles before rendering 
Fewer batches, consistent upscaling behavior.
 2020-08-02 17:17:11 +10:00
Connor McLaughlin
568cfa1865 GPU/OpenGL: Fix possible error on shutdown 2020-08-02 17:16:51 +10:00
Connor McLaughlin
4d9c2c1b6c GPU: Ensure pending time is used in events 
Fixes long delay in Syphon Filter.
 2020-08-02 14:09:22 +10:00
Connor McLaughlin
bd0c403672 GPU/HW: Fix mask bit test regression 
Fixes white boxes in Silent Hill. Again.
 2020-08-02 13:04:25 +10:00
Connor McLaughlin
0c1b637549 PGXP: Add initial implementation 2020-08-02 00:25:07 +10:00
Connor McLaughlin
e9882a10aa System: Move restore/reset graphics API state to System 
Fixes frame stepping.
 2020-08-01 16:45:07 +10:00
Connor McLaughlin
2eb9384275 Replace more instances of fopen() with FileSystem::OpenFile() 2020-08-01 14:00:22 +10:00
Connor McLaughlin
2885d2e547 CPU/CodeCache: Hopefully fix 32-bit compile errors 2020-08-01 03:53:53 +10:00
Connor McLaughlin
b6f871d2b9
JIT optimizations and refactoring (#675) 
* CPU/Recompiler: Use rel32 call where possible for no-args

* JitCodeBuffer: Support using preallocated buffer

* CPU/Recompiler/AArch64: Use bl instead of blr for short branches

* CPU/CodeCache: Allocate recompiler buffer in program space

This means we don't need 64-bit moves for every call out of the
recompiler.

* GTE: Don't store as u16 and load as u32

* CPU/Recompiler: Add methods to emit global load/stores

* GTE: Convert class to namespace

* CPU/Recompiler: Call GTE functions directly

* Settings: Turn into a global variable

* GPU: Replace local pointers with global

* InterruptController: Turn into a global pointer

* System: Replace local pointers with global

* Timers: Turn into a global instance

* DMA: Turn into a global instance

* SPU: Turn into a global instance

* CDROM: Turn into a global instance

* MDEC: Turn into a global instance

* Pad: Turn into a global instance

* SIO: Turn into a global instance

* CDROM: Move audio FIFO to the heap

* CPU/Recompiler: Drop ASMFunctions

No longer needed since we have code in the same 4GB window.

* CPUCodeCache: Turn class into namespace

* Bus: Local pointer -> global pointers

* CPU: Turn class into namespace

* Bus: Turn into namespace

* GTE: Store registers in CPU state struct

Allows relative addressing on ARM.

* CPU/Recompiler: Align code storage to page size

* CPU/Recompiler: Fix relative branches on A64

* HostInterface: Local references to global

* System: Turn into a namespace, move events out

* Add guard pages

* Android: Fix build
 2020-07-31 17:09:18 +10:00
Connor McLaughlin
1f9fc6ab74 BIOS: Fix Linux build 2020-07-31 16:34:25 +10:00
Connor McLaughlin
8802177e25 BIOS: Add more revision filenames/hashes 2020-07-31 16:28:15 +10:00
Connor McLaughlin
66e79091d3 BIOS: Use fopen() wrapper from FileSystem 2020-07-31 16:04:10 +10:00
Connor McLaughlin
5634e821c5 CDROM: Reset audio decoder state immediately after pause or seek 
Fixes stuttering dialogue in Dino Crisis (control room at beginning of
game).
 2020-07-30 01:55:37 +10:00
Connor McLaughlin
5a34a15bf2 CDROM: Include FIFO size in debug window 2020-07-30 01:03:59 +10:00
Connor McLaughlin
dd48a1f585 System: Handle large event timing overshoots better 
Usually a result of DMA cycle stealing. Instead of adding all time, add
min(all_events.downcount) at a time. 1.5% performance improvement, but
fixes desyncs between the SPU and CD-ROM.
 2020-07-30 00:47:19 +10:00