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424 Commits

Author SHA1 Message Date
Rekai Nyangadzayi Musuka 5d64e539a7 fix(apu): resolve off-by-one error 2021-08-17 23:14:56 -05:00
Rekai Nyangadzayi Musuka 22f96a10e7 fix(apu): increase accuracy of apu emulation 
Reintroduce the Frame Sequencer and it's state enum (needed so that we
can reset the FS on NR52 enable)
 2021-08-17 22:18:40 -05:00
Rekai Nyangadzayi Musuka 8fea8eb1ff fix(apu): better emulate behaviour of apu channel DACs 2021-08-17 21:26:22 -05:00
Rekai Nyangadzayi Musuka 9b2c91445a chore: enable audio by default 
even if it sounds really bad right now
 2021-08-17 21:25:55 -05:00
Rekai Nyangadzayi Musuka b9046bceba fix(apu): disable channel if DAC is disabled 2021-08-17 20:42:41 -05:00
Rekai Nyangadzayi Musuka aa22e93049 chore: clean up TODO messages
continuous-integration/drone/push Build is passing Details
2021-08-15 23:31:27 -05:00
Rekai Nyangadzayi Musuka 6215eccb2f chore(cpu): merge halted and state properties 2021-08-15 23:26:01 -05:00
Rekai Nyangadzayi Musuka a77d0a0f62 fix(apu): clock frame sequencer at correct Hz
continuous-integration/drone/push Build is passing Details
2021-08-15 02:46:20 -05:00
Rekai Nyangadzayi Musuka c2f2e2194b chore(ppu): improve accuracy of pixel fifo 2021-08-14 23:47:16 -05:00
Rekai Nyangadzayi Musuka d68257bb29 fix(ppu): improve accuracy of SCX discard 2021-08-14 22:03:01 -05:00
Rekai Nyangadzayi Musuka e27d6dc25b chore(ppu): rename discriminants of fetcher state 2021-08-14 22:02:41 -05:00
Rekai Nyangadzayi Musuka 1acb5de19d fix(main): GB frametime should be 59.73 Hz 2021-08-14 17:59:59 -05:00
Rekai Nyangadzayi Musuka 1b78b248a3 chore: minor edits to documentation 2021-08-14 17:51:09 -05:00
Rekai Nyangadzayi Musuka 5d6df46a2d fix(cpu): reimplement instruction handling
continuous-integration/drone/push Build is passing Details
2021-08-14 17:23:45 -05:00
Rekai Nyangadzayi Musuka 7e65d82fef chore(cpu): document fetch, decode, execute 2021-08-14 16:42:38 -05:00
Rekai Nyangadzayi Musuka 8c9567b610 chore(cpu): rename discriminants of ImeState enum 2021-08-14 16:42:15 -05:00
Rekai Nyangadzayi Musuka 53dfaf0de2 fix(apu): increase size of the audio buffer
continuous-integration/drone/push Build is passing Details
2021-08-14 15:29:35 -05:00
Rekai Nyangadzayi Musuka 16c2dd81fc fix(bus): remove dead code 2021-08-14 15:02:25 -05:00
Rekai Nyangadzayi Musuka 79be38a1e6 fix(main): rename constant SCALE to WINDOW_SCALE
continuous-integration/drone/push Build is passing Details
2021-08-14 01:02:18 -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 0637b771e3 chore(instr): implement copy and clone on instruction enum
continuous-integration/drone/push Build is failing Details
2021-08-05 20:04:39 -05:00
Rekai Nyangadzayi Musuka 0107fa04c9 chore(apu): remove implemtation of register that always returns 0xFF 2021-08-05 16:39:04 -05:00
Rekai Nyangadzayi Musuka 6265c8af04 chore(joypad): poll input every frame instead of every instruction
continuous-integration/drone/push Build is failing Details
2021-08-03 20:36:55 -05:00
Rekai Nyangadzayi Musuka 5482a8e75f fix(apu): fix out of bounds error with channel 3 wave ram 2021-08-03 20:35:22 -05:00
Rekai Nyangadzayi Musuka 002dae6826 fix(joypad): improve handling of keyboard input 2021-08-03 20:23:43 -05:00
Rekai Nyangadzayi Musuka c863dc835c fix(apu): fix index out of bounds error on channel 3 write 2021-08-03 20:23:08 -05:00
Rekai Nyangadzayi Musuka d4407cf849 fix(apu): implement NR50 volume controls 2021-08-03 19:33:27 -05:00
Rekai Nyangadzayi Musuka de0d147685 fix(cartridge): put a bit more detail into the MBC3 RTC stub
continuous-integration/drone/push Build is failing Details
2021-08-03 15:19:08 -05:00
Rekai Nyangadzayi Musuka dd8339e8de chore(cartridge): consistently capitalize MBC 2021-08-03 15:06:06 -05:00
Rekai Nyangadzayi Musuka 05d6475015 fix(cartridge): Use default title instead of empty string 2021-08-03 14:53:30 -05:00
Rekai Nyangadzayi Musuka 32b597a328 fix(apu): incremental improvements to APU accuracy
continuous-integration/drone/push Build is failing Details
2021-08-03 14:10:08 -05:00
Rekai Nyangadzayi Musuka 33be2e0e83 fix(main): tie emulation to 60Hz on host machine 2021-08-03 14:09:16 -05:00
Rekai Nyangadzayi Musuka 832e1b7633 fix(apu): implement WAVE RAM blocking 2021-08-02 22:38:00 -05:00
Rekai Nyangadzayi Musuka a549b9feef chore(bus): suppress warning 2021-08-02 21:55:07 -05:00
Rekai Nyangadzayi Musuka 4d6fc95130 chore: remove premature optimizations 2021-08-02 21:52:12 -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 e43cac8041 fix(apu): don't spin if ringbuf is full 2021-07-28 16:23:31 -05:00
Rekai Nyangadzayi Musuka 8724da824e chore: inline some methods 2021-07-28 14:53:52 -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 d9a3a7b0dd chore: update dependencies
continuous-integration/drone/push Build is passing Details
2021-07-27 22:52:58 -05:00
Rekai Nyangadzayi Musuka 1a4546f4a4 chore: remove egui from project 
I want to re-implement this later.
 2021-07-27 22:38:21 -05:00
Rekai Nyangadzayi Musuka bd685a99a4 chore: update dependencies 2021-07-27 22:30:00 -05:00
Rekai Nyangadzayi Musuka 31abd6dc5c chore(apu): change default sample rate
continuous-integration/drone/push Build is passing Details
2021-07-25 18:29:19 -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