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630 Commits

Author SHA1 Message Date
Rekai Nyangadzayi Musuka fe6fc0e517 feat: add system information window 2023-02-23 17:27:42 -06:00
Rekai Nyangadzayi Musuka 5e94cbfbea feat: add imgui support using zgui 2023-02-23 17:27:42 -06:00
Rekai Nyangadzayi Musuka 01f5410180 feat: allow gui and gdbstub to run in parallel 2023-02-23 02:40:24 -06:00
Rekai Nyangadzayi Musuka 49706842af fix: run more than just the CPU when stepping via gdb 2023-02-23 02:40:24 -06:00
Rekai Nyangadzayi Musuka 518b868249 feat: respond to API changes for software bkpts 2023-02-23 02:40:24 -06:00
Rekai Nyangadzayi Musuka 755115660b feat: allow gdb writes to certain mem regions 2023-02-23 02:40:24 -06:00
Rekai Nyangadzayi Musuka 1f3cdd9513 feat: add gdb support to zba 2023-02-23 02:40:24 -06:00
Rekai Nyangadzayi Musuka 024151a5c1 chore: update to latest zig master 2023-02-22 14:46:46 -06:00
Rekai Nyangadzayi Musuka e380af7056 chore: use a more efficient decimal->bcd algorithm 
This will not improve perf in any way because this code only gets run
one time a second orz
 2023-02-21 23:22:42 -06:00
Rekai Nyangadzayi Musuka c0e583d20d fix: resolve off-by-one error in `str` addr when r15 is involved 
I seem to have made up this rule (I was thinking about when r15 was
a source register). `rn` is the destination register.... whoops
 2023-01-29 08:58:41 -06:00
Rekai Nyangadzayi Musuka ae3bb94036 fix(ppu): draw file select sprites in amazing mirror 2023-01-08 01:36:58 -06:00
Rekai Nyangadzayi Musuka ddc54e2977 fix: ignore missing opengl proc addresses 
is this really a fix? the error never happens with mach-glfw
 2023-01-01 15:56:18 -06:00
Rekai Nyangadzayi Musuka 59baa14bde Merge branch 'main' of ssh://musuka.dev:2222/paoda/zba 2022-12-30 19:47:24 -06:00
Rekai Nyangadzayi Musuka 6bf1c44961 chore: refactor sprite rendering code 2022-12-30 19:47:01 -06:00
Rekai Nyangadzayi Musuka 0f148507e4 fix: respond to `@addWithOverflow` changes in latest zig 2022-12-28 15:20:44 -06:00
Rekai Nyangadzayi Musuka 0cec779545 chore: misc style changes 2022-12-28 07:29:07 -06:00
Rekai Nyangadzayi Musuka 1ecbbc7d29 chore: cleanup BIOS struct init code 2022-12-27 06:42:06 -06:00
Rekai Nyangadzayi Musuka caaa60d1a8 fix: rotate unaligned reads on BIOS open-bus 2022-12-27 06:25:12 -06:00
Rekai Nyangadzayi Musuka 4326ae7a0a fix: resolve broken affine bg in mario kart 2022-12-18 08:59:19 -04:00
Rekai Nyangadzayi Musuka 905c4448d0 feat: kind-of account for 1/4th of obj mode 2022-12-18 08:35:14 -04:00
Rekai Nyangadzayi Musuka 0de44835e5 fix: properly implement black/white blending for sprites 
There's unique rules to handle for BLDY w/r/t sprites, I didn't know
about them (shown in bld_demo.gba). I'm sure I haven't ironed out every
rule but bld_demo.gba now *actually* passes
 2022-12-18 07:44:01 -04:00
Rekai Nyangadzayi Musuka 5aac04faf5 tmp: disable buggy window emulation 
I'd like to merge my affine sprite impl into main, which will require
merging a lot of the rewrites I did in this branch. My plan is to
merge the buggy ppu window impl to main, but keep it disabled.

This is technically a regression but the current impl barely worked
anyways so....
 2022-12-17 09:58:15 -04:00
Rekai Nyangadzayi Musuka f98a1700e0 feat: implement affine sprites 2022-12-17 09:47:10 -04:00
Rekai Nyangadzayi Musuka acdb270793 chore: reimplement alpha blending 2022-12-16 22:16:37 -04:00
Rekai Nyangadzayi Musuka 4ceed382ed chore(ppu): use @ptrCast in drawTextMode 2022-12-16 22:16:37 -04:00
Rekai Nyangadzayi Musuka 52ce4f3d20 chore(ppu): reimplement modes 3, 4, and 5 2022-12-16 22:16:37 -04:00
Rekai Nyangadzayi Musuka c1c8cac6e4 style(ppu): move text mode drawing to unique fn 2022-12-16 22:16:37 -04:00
Rekai Nyangadzayi Musuka be7a34f719 fix(window): proper inRange impl for window 
window wrap now works (it's pretty slow though?)
 2022-12-16 22:16:37 -04:00
Rekai Nyangadzayi Musuka f7a94634f9 chore: improve readability of sprite drawing code a bit 2022-12-16 22:16:37 -04:00
Rekai Nyangadzayi Musuka 7d4ab6db2c style: remove unused imports 2022-12-16 22:16:37 -04:00
Rekai Nyangadzayi Musuka 0a78587d8e chore: dont allocate not-small ?Sprite array on stack 
use memset like most other allocations in this emu
 2022-12-16 22:16:37 -04:00
Rekai Nyangadzayi Musuka b753ceef8e chore: move FrameBuffer struct to util.zig 2022-12-16 22:16:37 -04:00
Rekai Nyangadzayi Musuka 8963fe205b chore: move OAM, PALRAM and VRAM structs to separate files 2022-12-16 22:16:37 -04:00
Rekai Nyangadzayi Musuka e906506e16 fix: 8-bit writes to WIN PPU registers 
Advance Wars depends on these registers similar to Mario Kart's 8-bit
writes to Affine Background registers:
 2022-12-16 22:16:37 -04:00
Rekai Nyangadzayi Musuka 3195a45e3d chore: refactor window 2022-12-16 22:16:37 -04:00
Rekai Nyangadzayi Musuka 6aad911985 chore: crude background window impl (no affine) 2022-12-16 22:16:37 -04:00
Rekai Nyangadzayi Musuka e3b45ef794 chore: rename function (misspelt until now somehow) 2022-12-16 22:16:37 -04:00
Rekai Nyangadzayi Musuka 8e1a539e70 chore: debug read takes advantage of fastmem 
deduplicate slowmem backup read handler
 2022-12-15 23:18:54 -04:00
Rekai Nyangadzayi Musuka bf95eee3f1 fix(apu): resolve bug in NR10 obscure behaviour 2022-12-05 11:08:04 -04:00
Rekai Nyangadzayi Musuka 240fbcb1df chore: update dependencies 2022-12-01 13:23:09 -04:00
Rekai Nyangadzayi Musuka 26db340077 fix(input): implement atomic for KeyInput 2022-11-30 00:42:20 -04:00
Rekai Nyangadzayi Musuka 20f611b7b5 chore: be more intentional in atomic ordering use 2022-11-30 00:21:02 -04:00
Rekai Nyangadzayi Musuka f9aefedf60 chore: cal glDeleteTextures on program exit 2022-11-29 23:35:13 -04:00
Rekai Nyangadzayi Musuka d7e3d34726 fix(platform): ensure that title char* is null terminated 2022-11-29 23:21:57 -04:00
Rekai Nyangadzayi Musuka 4af86e1cb3 style: replace meta.Tuple calls with new tuple syntax 2022-11-29 23:01:06 -04:00
Rekai Nyangadzayi Musuka 9fcbbe7d57 chore: cleanup OpenGL vertex array + buffers 2022-11-29 22:53:37 -04:00
Rekai Nyangadzayi Musuka c3f67e38a1 chore: exit early on shader compile failure 2022-11-29 22:25:04 -04:00
Rekai Nyangadzayi Musuka 46e29245b7 fix(apu): disable APU writes when APU is disabled 2022-11-26 12:20:42 -04:00
Rekai Nyangadzayi Musuka 66db2e6049 Revert "chore: refactor flash impl" 
This reverts commit 96a9ae2ca5.
 2022-11-20 21:46:40 -04:00
Rekai Nyangadzayi Musuka c5cf471912 fix(timer): removing cascade when TIM aleady enabled shouldn't reset counter 2022-11-20 19:13:49 -04:00
Rekai Nyangadzayi Musuka 4ed4f8e143 fix(dma): implement obscure behaviour for DMAs from ROM 2022-11-20 17:49:26 -04:00
Rekai Nyangadzayi Musuka f31699d921 fix(log): logged improper second opcode for THUMB BL 2022-11-20 15:36:40 -04:00
Rekai Nyangadzayi Musuka 96a9ae2ca5 chore: refactor flash impl 2022-11-17 10:47:19 -04:00
Rekai Nyangadzayi Musuka 558c03b12b style: changes to cpu.zig 2022-11-16 10:21:40 -04:00
Rekai Nyangadzayi Musuka 7d8fbbb086 fix(bus): resolve off-by-one error 2022-11-14 01:59:43 -04:00
Rekai Nyangadzayi Musuka 5d7cf3a8a2 chore: remove util fn for stdlib equivalent 2022-11-11 13:02:51 -04:00
Rekai Nyangadzayi Musuka 1230aa1e91 fix(cpu): remove miscompilation workaround 2022-11-11 03:56:49 -04:00
Rekai Nyangadzayi Musuka 429676ad43 feat(config): write config.toml to config dir, not data dir 2022-11-03 09:45:57 -03:00
Rekai Nyangadzayi Musuka 986bc9448e fix(bus): account for read_table being the first table when freeing 2022-11-03 07:50:12 -03:00
Rekai Nyangadzayi Musuka d34893ba72 fix(bus): fix confusion about which fastmem write table is for which write type 2022-11-02 08:21:59 -03:00
Rekai Nyangadzayi Musuka b8a5fb95c1 fix(io): account for read-only bit in WAITCNT 2022-11-02 08:06:19 -03:00
Rekai Nyangadzayi Musuka 102b2c946b fix(io): respect read-only bits in DISPSTAT 
Superstar Saga now renders correctly
 2022-11-02 07:54:06 -03:00
Rekai Nyangadzayi Musuka 505b1b9608 fix(bus): resolve simple oversights 2022-11-01 09:00:25 -03:00
Rekai Nyangadzayi Musuka 2851c140ea fix(cpu): use LUT for ARM condition codes 2022-11-01 08:29:42 -03:00
Rekai Nyangadzayi Musuka 637d81ce44 chore(bus): only perform one allocation for fastmem tables 2022-11-01 07:04:42 -03:00
Rekai Nyangadzayi Musuka bc52461f0f fix(bus): replace write table with two tables for u32/u8 and u8 writes 2022-11-01 07:00:07 -03:00
Rekai Nyangadzayi Musuka c395c04a6e feat(bus): implement fastmem 
+100 fps in Pokemon Emerald lol
 2022-11-01 06:18:12 -03:00
Rekai Nyangadzayi Musuka af8ec4db5b chore: go through TODOs and FIXMEs 
mainly deleting / rewording those that no longer apply
 2022-10-31 06:17:09 -03:00
Rekai Nyangadzayi Musuka 5d47e5d167 fix(io): force-align all i/o reads 
Of course, backups being the exception due to flash or sram quirks,
I don't remember lol
 2022-10-31 05:50:27 -03:00
Rekai Nyangadzayi Musuka 5101fbd809 feat(io): pass all suite.gba i/o read tests 2022-10-31 05:22:11 -03:00
Rekai Nyangadzayi Musuka 472457b9f3 chore: make use of comptime control flow when working with tuples 2022-10-31 05:14:20 -03:00
Rekai Nyangadzayi Musuka 2ef4bb7dcc revert(apu): switch from f32 44.1kHz to u16 32.768kHz 2022-10-31 05:14:20 -03:00
Rekai Nyangadzayi Musuka 9a732ea6f8 chore(i/o): ensure interrupt i/o exists 2022-10-31 05:14:20 -03:00
Rekai Nyangadzayi Musuka f80799a593 fix(util): resolve bug in setHalf function 
introduced in 472215b4c2
 2022-10-30 04:12:58 -03:00
Rekai Nyangadzayi Musuka ca67ca3183 fix(apu): only enable dma sound fifo after manual write 2022-10-30 03:48:12 -03:00
Rekai Nyangadzayi Musuka 47fc49deb6 fix(audio): add asserts where I assume audio format 2022-10-30 03:25:49 -03:00
Rekai Nyangadzayi Musuka 472215b4c2 feat(ppu): implement all i/o writes 2022-10-30 03:11:04 -03:00
Rekai Nyangadzayi Musuka c9a423d094 fix(ppu): resolve mistakes in ppu i/o reads 2022-10-30 02:15:26 -03:00
Rekai Nyangadzayi Musuka 1d163fa56f feat(apu): implement all apu i/o writes 2022-10-30 02:02:23 -03:00
Rekai Nyangadzayi Musuka 13710a3236 feat(timer): implement all timer i/o writes 2022-10-30 01:18:46 -03:00
Rekai Nyangadzayi Musuka 6154585e77 feat(dma): implement all dma i/o writes 2022-10-30 01:04:22 -03:00
Rekai Nyangadzayi Musuka 7debdc490d fix(io): resovle off-by-one errors in i/o register ranges 2022-10-29 05:23:05 -03:00
Rekai Nyangadzayi Musuka 58375795bf fix(ppu): apply proper masks to ppu i/o 
Refactor Window, and bldcnt, bldalpha, bldy
 2022-10-29 05:18:53 -03:00
Rekai Nyangadzayi Musuka f0dca29836 fix(dma): apply proper masks to dma i/o 2022-10-29 04:53:21 -03:00
Rekai Nyangadzayi Musuka c75682dbd4 fix(apu): some invalid i/o registers should read 0x0000 2022-10-29 04:29:44 -03:00
Rekai Nyangadzayi Musuka 36832ba1fb feat(apu): impelement all apu i/o reads 2022-10-29 04:24:06 -03:00
Rekai Nyangadzayi Musuka 647bd83224 chore(io): rewrite certain error messages 
We can do this now that we know that it won't be because of any
unimplemented feature in some circumstances
 2022-10-29 02:37:54 -03:00
Rekai Nyangadzayi Musuka c831f67d1a feat(timer): implemeant all timer i/o reads 2022-10-29 01:37:28 -03:00
Rekai Nyangadzayi Musuka 268961262d feat(dma): implement all dma i/o reads 2022-10-29 01:30:12 -03:00
Rekai Nyangadzayi Musuka 3e62feacba feat(ppu): implement all ppu i/o reads 2022-10-29 01:29:27 -03:00
Rekai Nyangadzayi Musuka d859cee365 style: get rid of unnecessary type coersion 2022-10-29 00:06:08 -03:00
Rekai Nyangadzayi Musuka 371cf4cc12 style(i/o, ppu): refactor ppu i/o 2022-10-28 23:45:54 -03:00
Rekai Nyangadzayi Musuka 10aec67ee0 emu: implement thread sleep in granular steps 2022-10-28 21:58:55 -03:00
Rekai Nyangadzayi Musuka 4eb715a138 doc(emu): properly document + simply constants 2022-10-28 21:57:30 -03:00
Rekai Nyangadzayi Musuka 14b24787ab style: remove unnecessary imports 2022-10-28 21:56:55 -03:00
Rekai Nyangadzayi Musuka eb7ffa29f4 fix(apu): pause device on mute instead of writing silence 2022-10-27 09:11:08 -03:00
Rekai Nyangadzayi Musuka 4b8ed3cebb fix(io): resolve embarrasingly simple regression 
introduced in 21eddac31e
 2022-10-23 04:39:31 -03:00
Rekai Nyangadzayi Musuka 928ce674d9 fix(cpu): fix obscure LDRSH behaviour 2022-10-22 22:12:41 -03:00
Rekai Nyangadzayi Musuka 945dbec013 fix(open-bus): don't rotate result 
Rotating misaligned reads is the responsibility of the CPU
 2022-10-22 21:32:36 -03:00
Rekai Nyangadzayi Musuka a2868dfe9e feat(dma): Implement DMA Latch 2022-10-22 20:52:02 -03:00