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Author SHA1 Message Date
SpinDizzy 72b2c0eb28 Fixed a longstanding bug that caused stereo channels to be flipped incorrectly. 
This was due to the initial audio buffer write position being aligned to the middle of a 4 byte (2 byte left, 2 byte right) audio sample.
In multi-threaded mode, some sort of race condition caused this alignment to be fixed until audio playback was temporarily paused (via pausing, loading a state, etc.)
Audio playback should now be fixed and work consistently in all cases.
 2020-09-14 06:59:38 +00:00
Ian Curtis 38c3ff61f9 Clip scroll fog to viewport, instead of filling entire screen. Fixes fog bug in Daytona credits. 2020-09-08 09:10:24 +00:00
Ian Curtis aaa26f678c Update scroll fog logic. Should fix the credits in virtua fighter and daytona that have fogging applied to the background layer and shouldn't. 2020-09-07 16:25:18 +00:00
SpinDizzy 1d37358b8c - Add missing library from previous windows makefile update. 
- NEW_FRAME_TIMING build option was removed because it was no longer used.
 2020-09-04 05:48:41 +00:00
SpinDizzy 95488acb0a Windows makefile update 2020-09-03 06:27:57 +00:00
SpinDizzy 60c923f45f - Reworked logging system to support output to multiple outputs: files, stdout, stderr, and syslog (OutputDebugString on Windows, syslog on other systems). 
- Added ordinal logging level: all, debug, info, error. Compiling with DEBUG defined is no longer necessary for debug logging. Be careful when logging debug level because it produces copious output.
- Fixed -enter-debugger options when compiled with SUPERMODEL_DEBUGGER.
- Command line parse errors no longer ignored; Supermodel will now exit.
 2020-08-31 09:28:35 +00:00
SpinDizzy 6491ed46a7 Rename command line SCSP option to -legacy-scsp and -new-scsp 2020-08-26 16:14:54 +00:00
SpinDizzy d3955062e4 Correct the returned value from previous getbass patch 
There was a strange side effect on Ocean Hunter game
 2020-08-26 16:05:23 +00:00
SpinDizzy 9e8e993026 Getbass related 
Game now boots in game
Add missing analog input and buttons
 2020-08-25 08:48:25 +00:00
SpinDizzy 97d61a970c Small oversight in the new SCSP code 2020-08-24 10:09:01 +00:00
Ian Curtis 816d541b98 Various SCSP improvements and code cleanup: 
- Ported MAME's implementation
- Corrected FM sound for songs in VF3 that use it 
- Music tempo now closer to real hardware thanks to emulating two SCSP chips.
- Add LegacySoundDSP config option for games with SCSP DSP glitches (ex. engine noises in Sega Rally 2, and loud garbage on Bahn's stage in Fighting Vipers 2)
- Renamed SysFPS to "SoundClock" (since raising this appears to adjust the sound frequency).

(Submitted by Paul Prosser)
 2020-08-22 20:41:47 +00:00
SpinDizzy cf64375371 New ecap crc rom + rom patch 2020-08-22 09:03:53 +00:00
SpinDizzy 27cda80abb Low level z80 core bug 
Discovered when looking at lemans ffb board (real Model3 rom, not Model2 stcc one)
This could affect other ffb board and/or scud race DSB1 sound board
However I didn't notice any bad things
 2020-08-22 09:00:13 +00:00
Ian Curtis d77433b525 Remove some debug code 2020-08-01 09:02:04 +00:00
Ian Curtis ba917aca6d Update glew version 2020-07-31 19:18:51 +00:00
Ian Curtis 5e434e2644 build fixes for mac 2020-07-27 10:28:48 +00:00
SpinDizzy 858b84f424 skichamp rom patch : prevent driveboard error at boot 2020-07-27 09:02:07 +00:00
SpinDizzy 6af882548f Linux build compatibility changes 2020-07-03 09:15:08 +00:00
SpinDizzy 12081a9ff7 Update makefiles 2020-07-03 09:08:03 +00:00
Ian Curtis f7d75b783d silence a few casting warnings 2020-07-01 17:51:21 +00:00
SpinDizzy a73a06d546 Netboard related : Define a new hardware line in games.xml 2020-07-01 15:56:21 +00:00
SpinDizzy 345310fbee _rotl() replacement 2020-06-17 16:31:22 +00:00
Ian Curtis 9a651bdb61 Only try and make a connection if we have enabled EmulateNet 2020-06-17 15:11:58 +00:00
Ian Curtis 1a3407bec8 Fix corrupted memory in network mode 2020-06-17 11:41:41 +00:00
Ian Curtis 597ea93749 remove old files 2020-06-16 12:01:13 +00:00
Ian Curtis daef27be37 Replace network code with new tcp implementation 2020-06-16 11:55:38 +00:00
Ian Curtis 8071efbf79 Add SDLnetworking + some basic tcp classes 2020-06-13 19:46:12 +00:00
Ian Curtis d688fdd3d5 cache variable, without it is unusably slow in debug mode 2020-06-12 17:33:21 +00:00
Ian Curtis 8b4a4ec93f add missing file 2020-06-10 09:12:34 +00:00
Ian Curtis 90df4afbad update vs project files 2020-06-08 14:27:37 +00:00
Ian Curtis f69d7c7006 fix output values 2020-06-08 10:14:03 +00:00
Ian Curtis 6f6c98c671 The translator map seems to work with paletted colour values too, and the result is not clamped. Colours are passed to the GPU as unsigned bytes to multiplying by 16 will overflow, so we do the logic in the shader. If we passed floats we could skip the shader logic. 2020-05-11 09:05:46 +00:00
Ian Curtis e2ad593e88 When the translator map is enabled the colour values seem to use 4 bits, 0-16. Why not 0-31 I don't know. Anyway virtua on is overflowing these values for some of the smoke effects. For us the numbers were wrapping around. Clamping is enough to fix this. (Thanks model123) 2020-05-07 19:34:22 +00:00
SpinDizzy 5b406059ce custom resolution bug fix 2020-04-24 07:04:41 +00:00
SpinDizzy 4f347ff3f1 SDL1 to SDL2 internal changes 2020-04-19 08:34:58 +00:00
Ian Curtis 14e2a50212 remove files 2020-01-22 18:44:30 +00:00
SpinDizzy 247921dce4 2020-01-22 17:36:22 +00:00
Ian Curtis 5ace960f14 tweak value so the map indicator still works at the start of spikeout 2020-01-04 18:15:30 +00:00
Ian Curtis 6b8a29105a Sutherland-Hodgeman clipping only works for planar primitives. Scud is rendering non planar quads and this breaks our algorithm a little when using the quad renderer. Stretching the near plane a few % is enough to fix it. 2020-01-04 13:48:14 +00:00
Ian Curtis d711afade1 Only need to clip against 4 planes for poly culling 2020-01-04 13:45:55 +00:00
Ian Curtis 605dad2c02 Fix the sky in harley in first person mode where pixels in the sky are culled when they shouldn't be with the quad renderer. Basically we were running out of precision in a rare corner case. Doing the maths with double precision and casting back to float was enough to fix the issue. 2019-12-27 21:36:46 +00:00
Ian Curtis a5858e635d To calculate the mipmap value the opengl needs to calculate the difference in the texture coordinates between adjacent pixels. If there are no adjacent pixels the hw may need to spawn invisible fragments outside of the visible polygon. Our algorithm was culling these out so the mipamp calculation failed for edge pixels. Anyway this fixes quad rendering looking broken with the latest nvidia drivers. 2019-12-10 11:40:39 +00:00
Ian Curtis 06688de5fc Really should cull against 5 frustum planes. 2019-11-15 20:00:25 +00:00
Ian Curtis e1827cfd13 Stretch the time the ping_pong bit flips a bit to bump writes into correct frame. Otherwise they end up getting written at like 99.8% of the frame and overlapping with the next. 2019-11-08 20:36:11 +00:00
Ian Curtis ed2816cea4 Optimise Games.xml (Krom) 2019-11-08 19:38:20 +00:00
Ian Curtis 2e6968fe9d Thanks to our anonymous contributor who managed to patch a model 3 game and run it on real h/w, we were able to obtain some timing values we had been long been missing for correct emulation. The h/w polls something called the ping_pong bit at start-up to sync the GPU with the CPU. Unfortunately we didn't have the correct values and just manually used some per game hacks to get games to run. This mostly worked, but some games were writing more or less frames than they should have been for a given time period. When the ping_pong bit flips at 66% of the frame time, games were writing data for a new frame, which meant writes were often straddling 2 separate frames. We aren't 100% sure if IRQ2 or the ping_pong bit is vblank. 2019-11-07 20:29:17 +00:00
Ian Curtis 06b43c45b3 Ocean hunter in the middle of the game is passing a few matrices with FLT_MAX inside them, which blows apart our near/far calculation. The hardware must have some method to sanitize the near/far for instance if you render something extremely close to the origin you will also blow apart any near/far calc. 2019-11-02 20:11:48 +00:00
Ian Curtis 714f6a123a skip invalid culling nodes 2019-07-28 12:14:13 +00:00
Ian Curtis 17f4103123 A culling node must follow immediately after a viewport. 2019-07-26 16:39:58 +00:00
Ian Curtis cc830003f5 Fix possible negative pointer arithmetic which was causing the music to wrap around. 2019-02-22 01:00:41 +00:00