Rekai Nyangadzayi Musuka
413ff02ad9
fix(backup): resolve banking issue in flash impl
2022-05-27 21:17:50 -03:00
Rekai Nyangadzayi Musuka
517ed7a835
chore: remove awful ptr casts in backup.zig and bios.zig
2022-05-27 20:24:09 -03:00
Rekai Nyangadzayi Musuka
d4bc1f2cd0
feat: pass jsmolka's bios.gba
2022-05-27 20:08:09 -03:00
Rekai Nyangadzayi Musuka
c6ce810afe
fix: play right samples in right channel
2022-05-27 18:47:34 -03:00
Rekai Nyangadzayi Musuka
1170673447
fix: resolve issue when handling event sooner than expected
2022-05-26 17:11:02 -03:00
Rekai Nyangadzayi Musuka
c007bf4d8e
fix: remove DC offset from audio output
2022-05-26 17:10:10 -03:00
Rekai Nyangadzayi Musuka
697ec46cf1
chore: add debug keybinds for scheduler capacity + event count
2022-05-25 15:13:57 -03:00
Rekai Nyangadzayi Musuka
41ee32b118
perf: don't check scheduler every iteration of runFrame loop
...
~20fps gain in Pokemon Emerald, nice
2022-05-25 14:17:44 -03:00
Rekai Nyangadzayi Musuka
8f5d054195
chore: simplify 4bpp palette code
2022-05-25 10:10:57 -03:00
Rekai Nyangadzayi Musuka
c907552864
perf: convert BGR555 to RGBA8888 at compile-time, access w/ lookup table
...
Compile speed isn't slowed down by that much + there's a ~20fps gain in
Pokemon emerald, though this isn't anything exact
2022-05-24 13:55:50 -03:00
Rekai Nyangadzayi Musuka
ff3f79801c
chore: modify type signature of util.sext
2022-05-23 14:48:52 -03:00
Rekai Nyangadzayi Musuka
f130d1991c
chore: cleanup main
2022-05-23 12:50:01 -03:00
Rekai Nyangadzayi Musuka
24a8905c29
chore: emu audio sync code to emu.zig
2022-05-23 12:05:57 -03:00
Rekai Nyangadzayi Musuka
e70fe73899
chore: redo apu sampling
2022-05-23 11:25:28 -03:00
Rekai Nyangadzayi Musuka
a2d2a84850
chore: implement apu u16 reads
2022-05-21 15:09:32 -03:00
Rekai Nyangadzayi Musuka
109561310e
fix: clean up frequency timer implementations
2022-05-21 14:21:50 -03:00
Rekai Nyangadzayi Musuka
5164aa961d
Revert "fix: resolve off-by-one errors when scheduling freq timer expirations"
...
This reverts commit c9b0030b4b
2022-05-21 13:46:46 -03:00
Rekai Nyangadzayi Musuka
c9b0030b4b
fix: resolve off-by-one errors when scheduling freq timer expirations
2022-05-21 13:34:14 -03:00
Rekai Nyangadzayi Musuka
af2ad6c924
chore: improve APU accuracy + scheduler refactoring
2022-05-20 16:01:12 -03:00
Rekai Nyangadzayi Musuka
c40cc2ba30
feat: stub Affine BG registers
2022-05-18 15:50:40 -03:00
Rekai Nyangadzayi Musuka
8dddb865cc
fix: resolve out-of-bounds error with 8bpp tall / horizontal sprites
...
Boot ROM is now enabled by default as well
2022-05-17 12:16:30 -03:00
Rekai Nyangadzayi Musuka
2e821ab79c
chore: improve audio accuracy
2022-05-17 11:28:05 -03:00
Rekai Nyangadzayi Musuka
a667269d26
chore: reintroduce thread sleeping + simplify fps counter
2022-05-17 08:55:23 -03:00
Rekai Nyangadzayi Musuka
daf977ef06
feat: implement double buffering
2022-05-17 06:53:37 -03:00
Rekai Nyangadzayi Musuka
660c8a2d62
chore: clean up DMA code
2022-05-05 22:36:11 -03:00
Rekai Nyangadzayi Musuka
9d590b099a
feat: handle DMA IRQs (maybe?)
2022-05-05 22:04:59 -03:00
Rekai Nyangadzayi Musuka
d5443d9c2f
chore: contain Timers in a tuple rather than a struct
2022-05-05 20:09:00 -03:00
Rekai Nyangadzayi Musuka
f0ce39230b
chore: contain DMA Controllers in a tuple rather than a struct
2022-05-05 19:53:12 -03:00
Rekai Nyangadzayi Musuka
208e88e869
chore: resolve incorrect memory mirror in VRAM
...
+ stub GPIO registers on ROM Write
2022-05-05 16:44:48 -03:00
Rekai Nyangadzayi Musuka
5df023fb41
chore: stub a few I/O registers
2022-05-03 22:41:05 -03:00
Rekai Nyangadzayi Musuka
46ac1542a6
chore: allow 8-bit IO to BG0CNT and BG1CNT
...
BG0CNT and and BG1CNT now work properly in mario kart
2022-05-01 20:41:00 -03:00
Rekai Nyangadzayi Musuka
c2f55e0bfb
chore: define affine sprite attributes
2022-05-01 19:15:56 -03:00
Rekai Nyangadzayi Musuka
12f9bb51c1
feat: stub mode 1 and 2
2022-05-01 18:53:11 -03:00
Rekai Nyangadzayi Musuka
41558c9103
feat: implement mode 5
...
I wonder which obscure game makes heavy use of this mode
2022-05-01 18:10:52 -03:00
Rekai Nyangadzayi Musuka
68012f84d3
chore: comment ARM MSR code + Audio issues
2022-04-30 22:17:34 -05:00
Rekai Nyangadzayi Musuka
640b1f7c5d
chore: pass destoer's cond_invalid test
2022-04-30 20:42:47 -05:00
Rekai Nyangadzayi Musuka
f2f4bb205a
chore: misc print message improvements
2022-04-29 12:41:05 -05:00
Rekai Nyangadzayi Musuka
6c88a0aec2
chore: improvements to APU accuracy
2022-04-29 12:19:31 -05:00
Rekai Nyangadzayi Musuka
002287ecfe
fix: incorrect order-of-operations in ARM BL impl
2022-04-27 23:15:39 -05:00
Rekai Nyangadzayi Musuka
a87b46898b
chore: special case saving for ROMS without titles
2022-04-27 18:08:44 -05:00
Rekai Nyangadzayi Musuka
d9c9105449
feat: pass DenSinH's eeprom-test
2022-04-25 17:20:43 -05:00
Rekai Nyangadzayi Musuka
05a432f1c1
feat: implement EEPROM
2022-04-25 16:23:24 -05:00
Rekai Nyangadzayi Musuka
f4a48d536c
chore: implement I/O regsister for Minish Cap
2022-04-25 08:01:34 -05:00
Rekai Nyangadzayi Musuka
81db06d2fc
chore: change default window scale to 4x
2022-04-24 08:33:28 -04:00
Rekai Nyangadzayi Musuka
1812fb8008
chore: write more debug log messages for unimplemented registers
2022-04-22 22:19:26 -03:00
Rekai Nyangadzayi Musuka
762494453f
chore: only sync to audio for now
2022-04-22 20:56:52 -03:00
Rekai Nyangadzayi Musuka
e3553bcbd6
feat: panic on unimplemented I/O in ReleaseSafe/Debug but not ReleaseFast
2022-04-22 20:56:52 -03:00
Rekai Nyangadzayi Musuka
9cce4d9859
chore: misc improvements
2022-04-21 10:15:52 -03:00
Rekai Nyangadzayi Musuka
75ba9a4bf9
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
2022-04-21 07:56:17 -03:00
Rekai Nyangadzayi Musuka
85e8ca9146
feat: implement Noise
...
Kirby & The Amazing Mirror crashes only in ReleaseSafe / ReleaseBug.
TODO: Figure out why
2022-04-21 02:40:02 -03:00
Rekai Nyangadzayi Musuka
2f07c18f0b
feat: implement ch3
2022-04-21 00:21:55 -03:00
Rekai Nyangadzayi Musuka
ed3d275974
feat: implement ch2
2022-04-20 21:33:46 -03:00
Rekai Nyangadzayi Musuka
0184ec3e5e
feat: implement ch1
...
TODO: It's really loud
2022-04-20 20:52:50 -03:00
Rekai Nyangadzayi Musuka
97a689ab55
chore: broken impl of ch1
2022-04-20 09:39:12 -03:00
Rekai Nyangadzayi Musuka
c3611a0f00
feat: add audio resampler
...
Also implement extremely naive audio sync
2022-04-20 06:27:06 -03:00
Rekai Nyangadzayi Musuka
d270ec711f
chore: calculate apu sample rate a bit better
2022-04-20 02:36:32 -03:00
Rekai Nyangadzayi Musuka
172a59aefb
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
2022-04-14 05:58:32 -03:00
Rekai Nyangadzayi Musuka
92cabd248b
chore: improve timer behaviour
2022-04-14 01:58:40 -03:00
Rekai Nyangadzayi Musuka
6b09250a56
chore: move some init code to functions
2022-04-14 00:52:21 -03:00
Rekai Nyangadzayi Musuka
f6d746e810
feat: impelemt THUMB open bus
2022-04-14 00:21:49 -03:00
Rekai Nyangadzayi Musuka
9b9b6c0d6f
feat: implement ARM read open bus
2022-04-13 23:28:14 -03:00
Rekai Nyangadzayi Musuka
6d5c30ac25
fix: remove accidental rotation in ldrsh instructions
2022-04-13 22:59:32 -03:00
Rekai Nyangadzayi Musuka
c1b74d556a
chore: move log statement
2022-04-13 21:45:15 -03:00
Rekai Nyangadzayi Musuka
dfe94fb931
chore: remove magic numbers
2022-04-13 21:39:35 -03:00
Rekai Nyangadzayi Musuka
ffbb31c767
chore: remove unnecessary 32MB allocation
2022-04-13 21:25:41 -03:00
Rekai Nyangadzayi Musuka
714209565b
chore: define more I/O read/writes
2022-04-12 00:50:44 -03:00
Rekai Nyangadzayi Musuka
2c763e9772
feat: pass jsmolka memory.gba
2022-04-11 22:52:17 -03:00
Rekai Nyangadzayi Musuka
ad1f5ea8b8
chore: ignore instead of logging errors for perf reasons
2022-04-10 23:10:06 -03:00
Rekai Nyangadzayi Musuka
76b4d56ca6
feat: Initial Implementation of DMA Audio
2022-04-10 04:50:09 -03:00
Rekai Nyangadzayi Musuka
c100d64fcb
chore: tick scheduler on memory access
2022-04-09 19:43:27 -03:00
Rekai Nyangadzayi Musuka
5da84aff36
chore: log error on open bus in page 0x00 and 0x01
2022-04-09 18:01:17 -03:00
Rekai Nyangadzayi Musuka
76789aa8bc
chore: rewrite I/O read/writes
2022-04-08 17:07:36 -03:00
Rekai Nyangadzayi Musuka
80e714e2eb
chore: reimplement bus read/writes
2022-04-08 16:48:43 -03:00
Rekai Nyangadzayi Musuka
37a360ec07
fix: force align reads/writes in memory bus rather than in CPU
2022-04-08 15:17:31 -03:00
Rekai Nyangadzayi Musuka
a976a5769e
fix: pass none.gba and kind of sram.gba from jsmolka test suite
2022-04-08 14:38:35 -03:00
Rekai Nyangadzayi Musuka
6df55c2d86
feat: implement GamePak out-of-bounds reads
2022-04-08 02:34:08 -03:00
Rekai Nyangadzayi Musuka
a1008738d2
chore: run zigfmt
2022-04-08 02:13:58 -03:00
Rekai Nyangadzayi Musuka
11a034658a
chore: change implementation of rotr
2022-04-08 02:13:41 -03:00
Rekai Nyangadzayi Musuka
aac01b0bfe
chore: rewrite read/write methods for remainig Bus devices
2022-04-08 02:08:26 -03:00
Rekai Nyangadzayi Musuka
5310c12669
chore: mirror VRAM
2022-04-08 01:10:12 -03:00
Rekai Nyangadzayi Musuka
9b9de11e0c
chore: write generic read/write for VRAM
2022-04-08 00:44:52 -03:00
Rekai Nyangadzayi Musuka
f8018854be
Merge branch 'main' of ssh://musuka.dev:2222/paoda/zba
2022-04-07 17:23:22 -03:00
Rekai Nyangadzayi Musuka
fae4b430ab
chore: update dependencies
2022-04-07 17:23:07 -03:00
Rekai Nyangadzayi Musuka
3046e6243a
chore: don't assume 1cpi when stepping by a frame
2022-03-29 09:06:26 -03:00
Rekai Nyangadzayi Musuka
e127669549
Revert "chore: tick on memory access instead of 1cpi"
...
This reverts commit 7f555095f2
2022-03-29 08:58:57 -03:00
Rekai Nyangadzayi Musuka
7f555095f2
chore: tick on memory access instead of 1cpi
2022-03-29 08:50:12 -03:00
Rekai Nyangadzayi Musuka
29da7b294e
feat: implement Flash backup cartrige kinds
2022-03-28 19:41:22 -03:00
Rekai Nyangadzayi Musuka
bf7b533b3c
chore: stub more apu I/O addresses
2022-03-28 19:40:47 -03:00
Rekai Nyangadzayi Musuka
37c039fb92
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.
2022-03-22 15:03:05 -03:00
Rekai Nyangadzayi Musuka
4c172cff70
fix: account for subset of disallowed chars in save file names
2022-03-22 14:55:08 -03:00
Rekai Nyangadzayi Musuka
bd54cba8a0
feat: implement SRAM saving and loading
2022-03-22 14:41:18 -03:00
Rekai Nyangadzayi Musuka
da4bb17782
chore: properly deallocate OAM buffer
2022-03-22 11:41:17 -03:00
Rekai Nyangadzayi Musuka
5dd69500ca
fix: speed percentage in title is now accurate
...
We now properly account for full speed being 59.97Hz not, 59Hz or 60Hz
2022-03-22 10:39:42 -03:00
Rekai Nyangadzayi Musuka
eff25a0ab2
chore: make some variables const
2022-03-19 02:00:53 -03:00
Rekai Nyangadzayi Musuka
1901a471e4
feat: minor performance improvements
2022-03-18 09:49:49 -03:00
Rekai Nyangadzayi Musuka
3d61c0dba4
feat: switch from BGR555 to RGBA8888
2022-03-18 07:52:54 -03:00
Rekai Nyangadzayi Musuka
39ab363afa
fix: improve perf of instructions w/ rotr
2022-03-16 22:56:37 -03:00
Rekai Nyangadzayi Musuka
1921218c7b
fix: improve frame limiting and fps counting
2022-03-16 21:25:32 -03:00
Rekai Nyangadzayi Musuka
40968f0990
fix: implement proper SRAM mirroring and stub Flash
2022-03-15 21:54:55 -03:00
Rekai Nyangadzayi Musuka
04d54ec97a
chore: move DMA and Timers from io to bus
2022-03-15 08:25:26 -03:00
Rekai Nyangadzayi Musuka
1fd80c1c23
feat: define APU registers
2022-03-15 08:09:07 -03:00
Rekai Nyangadzayi Musuka
48679fa4ca
fix: move code in scheduler to ppu
2022-03-15 08:09:07 -03:00
Rekai Nyangadzayi Musuka
bdea19f280
chore: create different types of emuloops
2022-03-15 03:46:33 -03:00
Rekai Nyangadzayi Musuka
5579643d65
fix: resolve relative sprite priority issues
2022-03-15 00:37:29 -03:00
Rekai Nyangadzayi Musuka
c6e6b42869
chore: improve accuracy of frame limiter
2022-03-14 20:38:29 -03:00
Rekai Nyangadzayi Musuka
3623362f72
chore: improve accuracy of thread sleep in emu thread
2022-03-14 08:54:48 -03:00
Rekai Nyangadzayi Musuka
c538079ad4
feat: implement video sync
2022-03-14 05:16:02 -03:00
Rekai Nyangadzayi Musuka
8e3f48837d
chore: organize io switch statements
2022-03-13 07:50:19 -03:00
Rekai Nyangadzayi Musuka
025f295c08
fix: mirror SRAM
...
SRAM is mirrored in 64K chunks
TODO: According to GBATEK SRAM chips are 32K and mirrored
2022-03-13 05:53:32 -03:00
Rekai Nyangadzayi Musuka
017ec407f5
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
2022-03-13 05:39:09 -03:00
Rekai Nyangadzayi Musuka
4a76611fca
feat: implement Timers
2022-03-13 05:35:01 -03:00
Rekai Nyangadzayi Musuka
cb10dfbdfd
fix: implement sprite coord overflow behaviour
2022-03-12 03:46:41 -04:00
Rekai Nyangadzayi Musuka
0c50ef1e6d
fix: resolve issues with sprite mirroring
2022-03-11 23:52:56 -04:00
Rekai Nyangadzayi Musuka
05e67da181
feat: Implement MVP of Mode 0 Sprites
2022-03-11 01:43:47 -04:00
Rekai Nyangadzayi Musuka
f1df3d6615
chore: clean up io
2022-03-04 22:55:04 -04:00
Rekai Nyangadzayi Musuka
c5b4b51ae0
feat: fix tile flipping issue
2022-03-03 03:08:35 -04:00
Rekai Nyangadzayi Musuka
2e4854c2ff
chore: add some type definitions for sprites
2022-03-03 02:10:33 -04:00
Rekai Nyangadzayi Musuka
85f0b13f4a
feat: improve DMA Transfer support
2022-03-03 02:10:29 -04:00
Rekai Nyangadzayi Musuka
dccd00782b
chore(ppu): resolve integer overflow regression
2022-03-02 23:15:10 -04:00
Rekai Nyangadzayi Musuka
3d8c944bcc
feat(ppu): implement bg priority and transparency
2022-03-02 01:39:05 -04:00
Rekai Nyangadzayi Musuka
cb4d3a9a51
chore: replace unnecessarily complex sign extension implementation
2022-02-28 20:38:50 -04:00
Rekai Nyangadzayi Musuka
ddb68a7952
feat: pass beeg yoshi
2022-02-28 18:24:24 -04:00
Rekai Nyangadzayi Musuka
97de5d1a96
fix: palette id is a u16 not a u8
2022-02-28 17:32:10 -04:00
Rekai Nyangadzayi Musuka
d6ef53fd67
feat: DMA Transfer MVP
2022-02-28 12:34:00 -06:00
Rekai Nyangadzayi Musuka
b65f833b28
feat(ppu): implement transparency + backdrop in mode 0
2022-02-26 18:33:16 -06:00
Rekai Nyangadzayi Musuka
ac0486be1b
chore(io): replace some bitfields with enums
2022-02-24 17:20:23 -06:00
Rekai Nyangadzayi Musuka
441ebc38c7
fix: better emulate behaviour of IO reads
2022-02-24 17:20:20 -06:00
Rekai Nyangadzayi Musuka
be2dfb379a
chore: document select unimplmented I/O registers
...
These registers are written to / read from Kirby: Nightmare in Dream Land
2022-02-22 17:14:30 -06:00
Rekai Nyangadzayi Musuka
bc66be6c06
feat: impelement a barebones SRAM
2022-02-22 17:14:26 -06:00
Rekai Nyangadzayi Musuka
5368ff912d
feat: pass retAddr.gba
2022-02-21 15:34:46 -06:00
Rekai Nyangadzayi Musuka
c2cf2d2965
feat: implement Hblank and Vcount Interrupts
...
Also implemented unique behaviour when writing to IF
2022-02-21 14:45:47 -06:00
Rekai Nyangadzayi Musuka
e5ab8b51a9
chore: improve Bus log + panic messages
2022-02-19 11:48:43 -05:00
Rekai Nyangadzayi Musuka
c767e88e8d
chore: improve io.zig
2022-02-19 11:48:17 -05:00
Rekai Nyangadzayi Musuka
9e2e8c3d1a
feat: implement mirroring for IWRAM EWRAM, OAM and PALRAM
...
Also realized I confused IWRAM and EWRAM. This is also fixed
TODO: Implemnt Mirroring for VRRAM
2022-02-19 10:08:31 -05:00
Rekai Nyangadzayi Musuka
e426f2459e
fix: resolve integer overflow in BG0 Drawing
2022-02-19 06:55:30 -04:00
Rekai Nyangadzayi Musuka
3746cf6025
chore: don't panic on 32-bit I/O
2022-02-19 06:45:39 -04:00
Rekai Nyangadzayi Musuka
f6c8d7ca07
chore: stub CPU HALTing
2022-02-17 00:27:34 -04:00
Rekai Nyangadzayi Musuka
07343efdf3
chore: correct logic errors in map size 1 and 3
2022-02-16 23:49:08 -04:00
Rekai Nyangadzayi Musuka
4018f3875b
chore: properly write to VOFS and HOFS in 32-bit bus
2022-02-16 23:23:41 -04:00
Rekai Nyangadzayi Musuka
034f2e8d1d
feat: implement hofs and vofs on io bus
2022-02-16 04:29:04 -04:00
Rekai Nyangadzayi Musuka
d275a4890f
feat: implement scrolling
2022-02-16 03:37:25 -04:00
Rekai Nyangadzayi Musuka
ce97a52868
feat: add support for multiple BGs in Mode 0
2022-02-16 03:27:06 -04:00
Rekai Nyangadzayi Musuka
d2d4667f7b
feat: document mode 0
2022-02-16 03:05:19 -04:00
Rekai Nyangadzayi Musuka
5835b509e4
feat: Mode 0 MVP
2022-02-16 02:27:15 -04:00
Rekai Nyangadzayi Musuka
338122ed43
chore: use zig slices for fun
2022-02-13 05:28:56 -04:00
Rekai Nyangadzayi Musuka
e5a76a3c02
chore: give DISPCNT DISPSTAT and VCOUNT to PPU struct
2022-02-13 04:28:15 -04:00
Rekai Nyangadzayi Musuka
31fa06ac4a
chore: give io read/write functions access to the entire Bus
2022-02-13 04:13:06 -04:00
Rekai Nyangadzayi Musuka
ec25a9aae4
feat: implement BG Scrolling Registers
2022-02-13 04:04:10 -04:00
Rekai Nyangadzayi Musuka
b238a3e8f3
feat: impelemnt BG0,1,2CNT and IF
2022-02-13 03:23:09 -04:00
Rekai Nyangadzayi Musuka
aca7fc9a60
feat: implement OAM
2022-02-13 02:30:02 -04:00
