Rekai Nyangadzayi Musuka
99492a6782
chore: progress towards passing ldr/str thumb in armwrestler
2022-02-02 21:14:46 -04:00
Rekai Nyangadzayi Musuka
8b574efe85
fix(cpu): properly negate in NEG
2022-02-02 20:12:20 -04:00
Rekai Nyangadzayi Musuka
9fd03d2a92
fix(cpu): reimplement THUMB offset shifts
2022-02-02 20:12:07 -04:00
Rekai Nyangadzayi Musuka
9affe01da8
fix(cpu): op == 0b00 decodes to add in format 5
2022-02-02 18:58:06 -04:00
Rekai Nyangadzayi Musuka
784bc81a4a
fix(cpu): account for overflow in THUMB alu MUL
2022-02-02 18:57:33 -04:00
Rekai Nyangadzayi Musuka
045c98de1f
chore: use if-else when decoding THUMB instructions
2022-02-02 18:48:47 -04:00
Rekai Nyangadzayi Musuka
c2901ee0d8
fix(cpu): account for rn in rlist in block data transfer
2022-02-02 17:35:33 -04:00
Rekai Nyangadzayi Musuka
d95efa5b12
feat: implement LDM/STM behaviour when S is set
2022-02-02 16:12:47 -04:00
Rekai Nyangadzayi Musuka
237beb9caa
feat(cpu): Pass all LDR/STR ARMwrestler tests
2022-02-02 14:07:18 -04:00
Rekai Nyangadzayi Musuka
30bad76e44
feat(cpu): decode and implement all necessary ARM CPU instructions
2022-02-02 12:06:41 -04:00
Rekai Nyangadzayi Musuka
c34c2ee6eb
feat(cpu): implement ARM SWP and SWPB
2022-02-02 08:44:33 -04:00
Rekai Nyangadzayi Musuka
6c7934be70
fix: resolve off by n * 2 when accessing Palette during BG Mode 4
2022-02-01 22:56:53 -04:00
Rekai Nyangadzayi Musuka
48017b45f5
feat(cpu): Implement Multiply Long ARM instructions
2022-02-01 22:09:38 -04:00
Rekai Nyangadzayi Musuka
28c81f79ae
fix: no buttons are pressed by default
2022-02-01 20:52:01 -04:00
Rekai Nyangadzayi Musuka
a80600156d
feat(cpu): implement format 18 THUMB instructions
2022-02-01 19:12:01 -04:00
Rekai Nyangadzayi Musuka
0d7600ed7a
chore: more detailed panic message
2022-02-01 19:11:56 -04:00
Rekai Nyangadzayi Musuka
ca41f6a85c
feat(cpu): implement format 10 THUMB instructions
2022-02-01 17:56:11 -04:00
Rekai Nyangadzayi Musuka
85927a943f
feat(cpu): implement SWP
2022-02-01 16:30:55 -04:00
Rekai Nyangadzayi Musuka
b27bf4a85c
fix(cpu): perform MUL with u64s, throw away upper 32 bits
2022-02-01 16:15:08 -04:00
Rekai Nyangadzayi Musuka
b07eb22b86
feat: implement keyboard input
2022-02-01 16:11:59 -04:00
Rekai Nyangadzayi Musuka
f6e4b4931f
chore: don't panic on unsupported BG mode
2022-01-30 02:43:11 -04:00
Rekai Nyangadzayi Musuka
e35d81eeb8
chore: tempoarily disable fps counter
2022-01-30 02:42:01 -04:00
Rekai Nyangadzayi Musuka
8c248ffb11
chore: zero-initialize VRAM
2022-01-30 02:39:16 -04:00
Rekai Nyangadzayi Musuka
b0332e6eb8
chore: stub KeyInput I/O register
2022-01-30 02:38:29 -04:00
Rekai Nyangadzayi Musuka
dd632975f8
fix(cpu): properly decode multiply instructions
2022-01-30 02:16:12 -04:00
Rekai Nyangadzayi Musuka
a459d4b433
feat(cpu): implement ARM multiply instructions
2022-01-30 02:04:24 -04:00
Rekai Nyangadzayi Musuka
6c008ce950
fix: allow 32-bit writes to DISPCNT
2022-01-30 01:42:54 -04:00
Rekai Nyangadzayi Musuka
8d1df7ae43
fix(cpu): properly decode ldm stm thumb instructions
2022-01-30 01:12:34 -04:00
Rekai Nyangadzayi Musuka
6ffaf12804
fix(cpu): properly decode THUMB PUSH and POP at comptime
2022-01-30 00:16:13 -04:00
Rekai Nyangadzayi Musuka
dc6931639f
fix(cpu): don't ignore 11th bit of THUMB BL offset
2022-01-29 23:53:40 -04:00
Rekai Nyangadzayi Musuka
e18f10126e
feat(cpu): implement thumb push / pop and stub format 13 thumb instrs
2022-01-29 23:22:10 -04:00
Rekai Nyangadzayi Musuka
0598ba402d
feat(cpu): implement THUMB format 9 loads / stores
2022-01-29 22:34:40 -04:00
Rekai Nyangadzayi Musuka
b8a9aaee86
fix(cpu): resolve issues with unexpected PC value in THUMB
2022-01-29 22:07:36 -04:00
Rekai Nyangadzayi Musuka
00058f6094
feat(cpu): implement THUMB ldmia stmia
2022-01-29 21:10:14 -04:00
Rekai Nyangadzayi Musuka
2dde47318c
chore: implement THUMB format 4 instructions
2022-01-29 20:42:13 -04:00
Rekai Nyangadzayi Musuka
ae4023e51c
chore: dedup code in THUMB instructions
2022-01-29 20:05:27 -04:00
Rekai Nyangadzayi Musuka
bce067557f
chore: refactor and genericize ARM data processing calculations
2022-01-29 19:40:58 -04:00
Rekai Nyangadzayi Musuka
e0acabf050
chore: relocate barrel_shifter zig file
2022-01-29 18:52:16 -04:00
Rekai Nyangadzayi Musuka
599e068c7e
feat(cpu): implement format2 THUMB instructions
2022-01-29 18:46:27 -04:00
Rekai Nyangadzayi Musuka
4ca65caef0
feat(cpu): implement format19 THUMB instructions
2022-01-29 18:25:50 -04:00
Rekai Nyangadzayi Musuka
0c49bf2288
chore: account for THUMB BL instruction when mimicking mGBA logs
2022-01-29 18:14:00 -04:00
Rekai Nyangadzayi Musuka
44dbdba48c
feat(cpu): implement format16 THUMB instructions
2022-01-29 17:44:04 -04:00
Rekai Nyangadzayi Musuka
d85e0c8d05
feat(cpu): implement format 1 THUMB instructions
2022-01-29 17:29:30 -04:00
Rekai Nyangadzayi Musuka
995633e9e8
fix: dont close file handle early
2022-01-29 01:18:45 -04:00
Rekai Nyangadzayi Musuka
cfbd292edc
feat(cpu): implement format 6 THUMB instructions
2022-01-29 01:18:41 -04:00
Rekai Nyangadzayi Musuka
95efb3f35d
chore: rename title
2022-01-28 23:27:03 -04:00
Rekai Nyangadzayi Musuka
6a6dccf4d8
chore: refactor GBA Display Timings
...
This change should reflect that the Hblank bit of DISPSTAT is toggled on all scanlines
while also ensuring that the Vblank bit is set on all Vblank scanlines
2022-01-28 22:58:19 -04:00
Rekai Nyangadzayi Musuka
ad1db4dc2e
chore: move a single statement lol
2022-01-28 22:57:48 -04:00
Rekai Nyangadzayi Musuka
19359f7ee4
chore: mark indexing methods as inline
2022-01-28 17:11:29 -04:00
Rekai Nyangadzayi Musuka
24f0922f86
feat: create emulator thread
2022-01-28 16:33:38 -04:00
