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121 Commits

Author SHA1 Message Date
Rekai Nyangadzayi Musuka 16c2dd81fc fix(bus): remove dead code 2021-08-14 15:02:25 -05:00
Rekai Nyangadzayi Musuka 8625bec059 feat: clock bus on instruction read-write
continuous-integration/drone/push Build is failing Details 
Commit also includes general work towards passing mem-timings.

Note: while cpu_instrs.gb passes, instr_timing.gb and mem_timing.gb both
are stuck in infinite loops (Currently, it seems like a timing issue).
This is a major regression that hopefully shouldn't last for too long.
 2021-08-14 00:10:51 -05:00
Rekai Nyangadzayi Musuka a549b9feef chore(bus): suppress warning 2021-08-02 21:55:07 -05:00
Rekai Nyangadzayi Musuka 7112cd15e3 chore(cpu): refactor SM83 implementation
continuous-integration/drone/push Build is passing Details 
Instruction::decode no longer requires mutable access to the CPU
 2021-07-31 20:29:13 -05:00
Rekai Nyangadzayi Musuka 2af673d7c5 chore: remove various warnings
continuous-integration/drone/push Build is passing Details
2021-07-28 16:25:29 -05:00
Rekai Nyangadzayi Musuka 903cfacad3 fix(apu): replace mpsc with spsc ringbuffer
continuous-integration/drone/push Build is passing Details
2021-07-28 02:01:04 -05:00
Rekai Nyangadzayi Musuka 9d0e099a97 chore: remove unnecessary derivations from structs 2021-07-28 00:09:07 -05:00
Rekai Nyangadzayi Musuka c7e3cb5b35 fix(apu): abstract Apu read/write using BusIO trait
continuous-integration/drone/push Build is passing Details
2021-07-25 18:19:27 -05:00
Rekai Nyangadzayi Musuka e4d77d66ba fix(apu): abstract wave RAM behind BusIO trait 2021-07-25 18:03:11 -05:00
Rekai Nyangadzayi Musuka 9e36e86c14 fix(apu): increase accuracy of apu
continuous-integration/drone/push Build is passing Details 
Due to this, not all instruments work. This is a regression and will be
fixed in a later commit when presumably the implementation of the APU is
a bit more correct
 2021-07-25 17:42:09 -05:00
Rekai Nyangadzayi Musuka 6f6c308d84 fix(apu): implement write guards for Ch1 & Ch1 when disabled 2021-07-18 22:10:32 -05:00
Rekai Nyangadzayi Musuka f429d72882 chore(bus): remove panics in IO bus read/write failures with stderr msgs 2021-07-18 21:52:22 -05:00
Rekai Nyangadzayi Musuka c1430594cf chore(apu): change access modifiers of some methods 2021-07-18 20:58:02 -05:00
Rekai Nyangadzayi Musuka a1eadc0bc4 chore(apu): rename sound/snd to apu
continuous-integration/drone/push Build is passing Details
2021-07-14 23:45:01 -05:00
Rekai Nyangadzayi Musuka ea53f97312 chore(snd): refactor APU implementation 2021-07-14 23:34:00 -05:00
Rekai Nyangadzayi Musuka 08bd33b4d4 fix(snd): replace Audio Sync solution with a faster one
continuous-integration/drone/push Build is passing Details
2021-07-14 22:35:37 -05:00
Rekai Nyangadzayi Musuka 2b5926e533 chore(snd): Make AudioReceiver and AudioSender structs generic 2021-07-14 22:34:57 -05:00
Rekai Nyangadzayi Musuka 44b605970f chore(snd): rename some structs 2021-07-12 10:03:45 -05:00
Rekai Nyangadzayi Musuka b13444c885 feat(snd): simplify audio buffer
continuous-integration/drone/push Build is passing Details 
The audio buffer now is held by crossbeam. The developers of said
library could write a batter queue than I could anyday
 2021-07-11 23:48:16 -05:00
Rekai Nyangadzayi Musuka 3b772c7c49 feat(snd): synchronize audio with rest of system 
In it's current form I think this is actually rather inefficient. It's
also not very accurate since I throw away a lot of samples for no real
good reason. More improvements to thiss will be coming henceforth
 2021-07-11 23:22:17 -05:00
Rekai Nyangadzayi Musuka 91d19a7e66 chore(snd): mask unreadable bits from return values 2021-07-09 21:16:33 -05:00
Rekai Nyangadzayi Musuka ce630baa5d feat(snd): implement audio playback using rodio
continuous-integration/drone/push Build is failing Details
2021-07-09 01:25:52 -05:00
Rekai Nyangadzayi Musuka 0fa818a1a6 chore(snd): reimplement NR52 & implement sampling for ch2 
Also add rodio as dependency for audio
 2021-07-08 22:36:28 -05:00
Rekai Nyangadzayi Musuka 39af03aebf chore(bus): stub 0xFF4D 2021-07-01 23:09:02 -05:00
Rekai Nyangadzayi Musuka fc4a898177 chore: reorganize select parts of codebase 2021-06-27 20:28:29 -05:00
Rekai Nyangadzayi Musuka 278953ab78 chore(snd): implement shift amount for channel 3 volume 2021-06-24 01:13:58 -05:00
Rekai Nyangadzayi Musuka 67e2a6ad79 feat(snd): implement ch 1,2,3 and 4 length function 2021-06-24 01:00:07 -05:00
Rekai Nyangadzayi Musuka 0c843b9ca9 feat(snd): implement volume envelope in ch1, 2 and 4 2021-06-23 21:49:25 -05:00
Rekai Nyangadzayi Musuka d9db3e404f fix(ppu): stub IO address 0xFF7F 
Tetris now runs without requiring any local modifications
 2021-06-15 01:19:40 -05:00
Rekai Nyangadzayi Musuka fe8598fd61 feat(snd): implement ch4 2021-06-15 01:11:18 -05:00
Rekai Nyangadzayi Musuka 5b041d4713 chore(bus): rename sound property to snd 2021-06-15 00:30:08 -05:00
Rekai Nyangadzayi Musuka 909972d36e feat(snd): implement channel 3 2021-06-15 00:29:31 -05:00
Rekai Nyangadzayi Musuka e45c13f719 feat(sound): implement NR10 2021-06-14 23:51:37 -05:00
Rekai Nyangadzayi Musuka 6a7ff66274 chore(sound): implement channel 2 registers 2021-06-14 23:37:30 -05:00
Rekai Nyangadzayi Musuka 17024c439a chore(ppu): emu now properly handles VRAM and OAM write guards 2021-06-09 22:04:06 -05:00
Rekai Nyangadzayi Musuka 2b7958f5f3 chore(bus): add a select few read/write guards 2021-06-09 20:48:31 -05:00
Rekai Nyangadzayi Musuka 50efe12aec chore: change how bus components are clocked 2021-06-09 19:41:10 -05:00
Rekai Nyangadzayi Musuka a904503b90 chore: document IO registers 2021-06-09 13:43:46 -05:00
Rekai Nyangadzayi Musuka 1449ed3765 fix(joypad): reimplement joypad 2021-06-07 17:23:48 -05:00
Rekai Nyangadzayi Musuka dd86330e1d fix(bus): Fix address calculation error in Echo RAM 2021-06-07 00:22:11 -05:00
Rekai Nyangadzayi Musuka d5e67568dd chore(bus): temporarily disable VRAM and OAM gates 
There appears to be severe timing issues in the ppu which result in
regressions with these gates enabled. They are commented out for now,
but will be re-enabled once the timing issues in the PPU are fixed
 2021-06-07 00:01:40 -05:00
Rekai Nyangadzayi Musuka e8e6c41dbe fix(dma): initial version of dma transfer now works 2021-06-06 23:57:54 -05:00
Rekai Nyangadzayi Musuka d623800005 fix: apply clippy suggestions 2021-06-06 21:30:08 -05:00
Rekai Nyangadzayi Musuka c428e934d8 fix(bus): improve guards for illlegal memory IO 2021-06-06 21:18:19 -05:00
Rekai Nyangadzayi Musuka ef4e54aba6 chore: restrict what should be pub or not 2021-06-06 20:47:11 -05:00
Rekai Nyangadzayi Musuka 878edd4082 chore: replace pub with pub(crate) when possible 2021-06-06 19:14:28 -05:00
Rekai Nyangadzayi Musuka b7b213b6b9 chore(bus): implement read/write blocks when dma is active 2021-06-05 20:53:35 -05:00
Rekai Nyangadzayi Musuka 811a9f9cc9 feat(dma): implement non-working dma transfer 2021-06-04 13:47:06 -05:00
Rekai Nyangadzayi Musuka 86f3a897f1 feat(egui): add timer window 2021-06-02 02:44:32 -05:00
Rekai Nyangadzayi Musuka 9ea26d4a05 chore: improve performance of match statements 2021-05-19 02:52:32 -05:00