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374 Commits

Author SHA1 Message Date
Rekai Nyangadzayi Musuka 61483b93e8 feat: stub mode 1 and 2 2022-10-21 05:12:40 -03:00
Rekai Nyangadzayi Musuka 192d7645eb feat: implement mode 5 
I wonder which obscure game makes heavy use of this mode
 2022-10-21 05:12:40 -03:00
Rekai Nyangadzayi Musuka f1c68fb0de chore: comment ARM MSR code + Audio issues 2022-10-21 05:12:40 -03:00
Rekai Nyangadzayi Musuka cb74bfd280 chore: pass destoer's cond_invalid test 2022-10-21 05:12:40 -03:00
Rekai Nyangadzayi Musuka 0d1717538b chore: misc print message improvements 2022-10-21 05:12:40 -03:00
Rekai Nyangadzayi Musuka 896ae0935a chore: improvements to APU accuracy 2022-10-21 05:12:39 -03:00
Rekai Nyangadzayi Musuka 1a23073424 fix: incorrect order-of-operations in ARM BL impl 2022-10-21 05:12:39 -03:00
Rekai Nyangadzayi Musuka 36f3b0d381 chore: special case saving for ROMS without titles 2022-10-21 05:12:39 -03:00
Rekai Nyangadzayi Musuka c2f3790dc3 feat: pass DenSinH's eeprom-test 2022-10-21 05:12:39 -03:00
Rekai Nyangadzayi Musuka 746c28004f feat: implement EEPROM 2022-10-21 05:12:38 -03:00
Rekai Nyangadzayi Musuka 084d4b28dd chore: implement I/O regsister for Minish Cap 2022-10-21 05:12:38 -03:00
Rekai Nyangadzayi Musuka ed6e83b121 chore: change default window scale to 4x 2022-10-21 05:12:38 -03:00
Rekai Nyangadzayi Musuka b827ba3a1c chore: write more debug log messages for unimplemented registers 2022-10-21 05:12:38 -03:00
Rekai Nyangadzayi Musuka 0f343f0b74 chore: only sync to audio for now 2022-10-21 05:12:38 -03:00
Rekai Nyangadzayi Musuka 7a670c6ed9 feat: panic on unimplemented I/O in ReleaseSafe/Debug but not ReleaseFast 2022-10-21 05:12:38 -03:00
Rekai Nyangadzayi Musuka e690f88cda chore: misc improvements 2022-10-21 05:12:37 -03:00
Rekai Nyangadzayi Musuka c7f537959b fix: improper lifetime for *Arm7tdmi ptr in Bus 
*Arm7tdmi ptr is now assigned one scope up so that it lives as least
as long as Bus does
 2022-10-21 05:12:37 -03:00
Rekai Nyangadzayi Musuka f074b703b3 feat: implement Noise 
Kirby & The Amazing Mirror crashes only in ReleaseSafe / ReleaseBug.

TODO: Figure out why
 2022-10-21 05:12:37 -03:00
Rekai Nyangadzayi Musuka f8159645e0 feat: implement ch3 2022-10-21 05:12:37 -03:00
Rekai Nyangadzayi Musuka cccb83a926 feat: implement ch2 2022-10-21 05:12:37 -03:00
Rekai Nyangadzayi Musuka af8fe66c43 feat: implement ch1 
TODO: It's really loud
 2022-10-21 05:12:36 -03:00
Rekai Nyangadzayi Musuka 1f23aff22c chore: broken impl of ch1 2022-10-21 05:12:36 -03:00
Rekai Nyangadzayi Musuka e580b78020 feat: add audio resampler 
Also implement extremely naive audio sync
 2022-10-21 05:12:36 -03:00
Rekai Nyangadzayi Musuka a87a5ce273 chore: calculate apu sample rate a bit better 2022-10-21 05:12:36 -03:00
Rekai Nyangadzayi Musuka af1887e0a6 feat: schedule audio sampling on scheduler 
DMA sound in games like Pokemon Emerald, Chobits, Love Hina, and Kirby:
Nightmare in Dream Land sound great save for conerns about resampling
 2022-10-21 05:12:36 -03:00
Rekai Nyangadzayi Musuka 14bb2f6fbe chore: improve timer behaviour 2022-10-21 05:12:36 -03:00
Rekai Nyangadzayi Musuka d144973acf chore: move some init code to functions 2022-10-21 05:12:35 -03:00
Rekai Nyangadzayi Musuka eecd78a008 feat: impelemt THUMB open bus 2022-10-21 05:12:35 -03:00
Rekai Nyangadzayi Musuka c03c142b14 feat: implement ARM read open bus 2022-10-21 05:12:35 -03:00
Rekai Nyangadzayi Musuka 40f3600de2 fix: remove accidental rotation in ldrsh instructions 2022-10-21 05:12:35 -03:00
Rekai Nyangadzayi Musuka c08e331f77 chore: move log statement 2022-10-21 05:12:35 -03:00
Rekai Nyangadzayi Musuka a92989ed24 chore: remove magic numbers 2022-10-21 05:12:35 -03:00
Rekai Nyangadzayi Musuka 6c61eb3537 chore: remove unnecessary 32MB allocation 2022-10-21 05:12:34 -03:00
Rekai Nyangadzayi Musuka 05c1274ec1 chore: define more I/O read/writes 2022-10-21 05:12:34 -03:00
Rekai Nyangadzayi Musuka 27ad8772ea feat: pass jsmolka memory.gba 2022-10-21 05:12:34 -03:00
Rekai Nyangadzayi Musuka 135987745c chore: ignore instead of logging errors for perf reasons 2022-10-21 05:12:34 -03:00
Rekai Nyangadzayi Musuka f039c891c7 feat: Initial Implementation of DMA Audio 2022-10-21 05:12:33 -03:00
Rekai Nyangadzayi Musuka e69f4cfafe chore: tick scheduler on memory access 2022-10-21 05:12:33 -03:00
Rekai Nyangadzayi Musuka a4020400da chore: log error on open bus in page 0x00 and 0x01 2022-10-21 05:12:33 -03:00
Rekai Nyangadzayi Musuka d4aac22e34 chore: rewrite I/O read/writes 2022-10-21 05:12:33 -03:00
Rekai Nyangadzayi Musuka 601e717850 chore: reimplement bus read/writes 2022-10-21 05:12:33 -03:00
Rekai Nyangadzayi Musuka 886b9abf3d fix: force align reads/writes in memory bus rather than in CPU 2022-10-21 05:12:32 -03:00
Rekai Nyangadzayi Musuka 9c87b9820e fix: pass none.gba and kind of sram.gba from jsmolka test suite 2022-10-21 05:12:32 -03:00
Rekai Nyangadzayi Musuka 1fe332a44f feat: implement GamePak out-of-bounds reads 2022-10-21 05:12:32 -03:00
Rekai Nyangadzayi Musuka b6d2084c96 chore: run zigfmt 2022-10-21 05:12:32 -03:00
Rekai Nyangadzayi Musuka ed896d976d chore: change implementation of rotr 2022-10-21 05:12:32 -03:00
Rekai Nyangadzayi Musuka 677eecad41 chore: rewrite read/write methods for remainig Bus devices 2022-10-21 05:12:32 -03:00
Rekai Nyangadzayi Musuka 74b6fa2ecc chore: mirror VRAM 2022-10-21 05:12:31 -03:00
Rekai Nyangadzayi Musuka effb6315e9 chore: write generic read/write for VRAM 2022-10-21 05:12:31 -03:00
Rekai Nyangadzayi Musuka 3c8390a248 Merge branch 'main' of ssh://musuka.dev:2222/paoda/zba 2022-10-21 05:12:31 -03:00
Rekai Nyangadzayi Musuka 8337a6dcd9 chore: update dependencies 2022-10-21 05:12:31 -03:00
Rekai Nyangadzayi Musuka 2d8fa9c2f7 fix: don't create un-needed save file 
If we don't know if we support a game's save type yet, avoid
creating a file for it.
 2022-10-21 05:12:30 -03:00
Rekai Nyangadzayi Musuka b76481b34c chore: don't assume 1cpi when stepping by a frame 2022-10-21 05:12:30 -03:00
Rekai Nyangadzayi Musuka 147f6ac9ec Revert "chore: tick on memory access instead of 1cpi" 
This reverts commit 7f555095f2.
 2022-10-21 05:12:30 -03:00
Rekai Nyangadzayi Musuka 84273cbdad chore: tick on memory access instead of 1cpi 2022-10-21 05:12:30 -03:00
Rekai Nyangadzayi Musuka 885f92beeb feat: implement Flash backup cartrige kinds 2022-10-21 05:12:30 -03:00
Rekai Nyangadzayi Musuka f12800f2d0 chore: stub more apu I/O addresses 2022-10-21 05:12:30 -03:00
Rekai Nyangadzayi Musuka a93b335dea fix: account for subset of disallowed chars in save file names 2022-10-21 05:12:29 -03:00
Rekai Nyangadzayi Musuka ad9463dcb9 feat: implement SRAM saving and loading 2022-10-21 05:12:29 -03:00
Rekai Nyangadzayi Musuka 242627199b chore: properly deallocate OAM buffer 2022-10-21 05:12:29 -03:00
Rekai Nyangadzayi Musuka 22a8f67d81 fix: speed percentage in title is now accurate 
We now properly account for full speed being 59.97Hz not, 59Hz or 60Hz
 2022-10-21 05:12:29 -03:00
Rekai Nyangadzayi Musuka 4ee0eed2e5 chore: make some variables const 2022-10-21 05:12:29 -03:00
Rekai Nyangadzayi Musuka 20f39176c6 feat: minor performance improvements 2022-10-21 05:12:29 -03:00
Rekai Nyangadzayi Musuka ed792d71d3 feat: switch from BGR555 to RGBA8888 2022-10-21 05:12:28 -03:00
Rekai Nyangadzayi Musuka c3ae727ed1 fix: improve perf of instructions w/ rotr 2022-10-21 05:12:28 -03:00
Rekai Nyangadzayi Musuka 0116dcdbe1 fix: improve frame limiting and fps counting 2022-10-21 05:12:28 -03:00
Rekai Nyangadzayi Musuka 5ecbcc9f33 fix: implement proper SRAM mirroring and stub Flash 2022-10-21 05:12:28 -03:00
Rekai Nyangadzayi Musuka 2d16e4a4e6 chore: move DMA and Timers from io to bus 2022-10-21 05:12:28 -03:00
Rekai Nyangadzayi Musuka bb9dc45e0c feat: define APU registers 2022-10-21 05:12:27 -03:00
Rekai Nyangadzayi Musuka 9dcecc0d58 fix: move code in scheduler to ppu 2022-10-21 05:12:27 -03:00
Rekai Nyangadzayi Musuka 92e63f5dd6 chore: create different types of emuloops 2022-10-21 05:12:27 -03:00
Rekai Nyangadzayi Musuka 74cda6a1d0 fix: resolve relative sprite priority issues 2022-10-21 05:12:27 -03:00
Rekai Nyangadzayi Musuka d7354cca33 chore: improve accuracy of frame limiter 2022-10-21 05:12:27 -03:00
Rekai Nyangadzayi Musuka 7684cf0f4a chore: improve accuracy of thread sleep in emu thread 2022-10-21 05:12:27 -03:00
Rekai Nyangadzayi Musuka 3994c2c7c8 feat: implement video sync 2022-10-21 05:12:26 -03:00
Rekai Nyangadzayi Musuka a768d28e7c chore: organize io switch statements 2022-10-21 05:12:26 -03:00
Rekai Nyangadzayi Musuka efd99f16e0 fix: mirror SRAM 
SRAM is mirrored in 64K chunks
TODO: According to GBATEK SRAM chips are 32K and mirrored
 2022-10-21 05:12:26 -03:00
Rekai Nyangadzayi Musuka 61d6288fec chore: don't panic on unknown bus and io writes/reads 
This will lead to emulation bugs due to devices I've yet to implement but by
doing this a lot of games become playable "by default" such as Doom or
Kirby: Nightmare in Dream Land.

When implementing feature and/or debuggin make sure to set:
panic_on_und_bus and panic_on_und_io to true so that the emu crashes
on unknown reads/writes
 2022-10-21 05:12:26 -03:00
Rekai Nyangadzayi Musuka e3e45cd129 feat: implement Timers 2022-10-21 05:12:26 -03:00
Rekai Nyangadzayi Musuka 15191aedca fix: implement sprite coord overflow behaviour 2022-10-21 05:12:26 -03:00
Rekai Nyangadzayi Musuka 63486f13f2 fix: resolve issues with sprite mirroring 2022-10-21 05:12:25 -03:00
Rekai Nyangadzayi Musuka 17455e40d1 feat: Implement MVP of Mode 0 Sprites 2022-10-21 05:12:25 -03:00
Rekai Nyangadzayi Musuka d54e593276 chore: clean up io 2022-10-21 05:12:25 -03:00
Rekai Nyangadzayi Musuka c6a544a824 feat: fix tile flipping issue 2022-10-21 05:12:25 -03:00
Rekai Nyangadzayi Musuka e3ae3635bc chore: add some type definitions for sprites 2022-10-21 05:12:25 -03:00
Rekai Nyangadzayi Musuka 6723bfb364 feat: improve DMA Transfer support 2022-10-21 05:12:25 -03:00
Rekai Nyangadzayi Musuka 12c628e82c chore(ppu): resolve integer overflow regression 2022-10-21 05:12:24 -03:00
Rekai Nyangadzayi Musuka 5f9abf69d3 feat(ppu): implement bg priority and transparency 2022-10-21 05:12:24 -03:00
Rekai Nyangadzayi Musuka 68b0601a42 chore: replace unnecessarily complex sign extension implementation 2022-10-21 05:12:24 -03:00
Rekai Nyangadzayi Musuka 9455ffe837 feat: pass beeg yoshi 2022-10-21 05:12:24 -03:00
Rekai Nyangadzayi Musuka 02d2ff3e0c fix: palette id is a u16 not a u8 2022-10-21 05:12:24 -03:00
Rekai Nyangadzayi Musuka 02572dd15c feat: DMA Transfer MVP 2022-10-21 05:12:23 -03:00
Rekai Nyangadzayi Musuka 6d253cc74e feat(ppu): implement transparency + backdrop in mode 0 2022-10-21 05:12:23 -03:00
Rekai Nyangadzayi Musuka 4885a86833 chore(io): replace some bitfields with enums 2022-10-21 05:12:23 -03:00
Rekai Nyangadzayi Musuka fd9ffb20b4 fix: better emulate behaviour of IO reads 2022-10-21 05:12:23 -03:00
Rekai Nyangadzayi Musuka 56ef2b077a chore: document select unimplmented I/O registers 
These registers are written to / read from Kirby: Nightmare in Dream Land
 2022-10-21 05:12:23 -03:00
Rekai Nyangadzayi Musuka d4c7cfdf8b feat: impelement a barebones SRAM 2022-10-21 05:12:23 -03:00
Rekai Nyangadzayi Musuka 4d75d156e5 feat: pass retAddr.gba 2022-10-21 05:12:22 -03:00
Rekai Nyangadzayi Musuka d30a4d7ee5 feat: implement Hblank and Vcount Interrupts 
Also implemented unique behaviour when writing to IF
 2022-10-21 05:12:22 -03:00
Rekai Nyangadzayi Musuka d1fce8ba75 chore: improve Bus log + panic messages 2022-10-21 05:12:22 -03:00