Rekai Nyangadzayi Musuka
17024c439a
chore(ppu): emu now properly handles VRAM and OAM write guards
2021-06-09 22:04:06 -05:00
Rekai Nyangadzayi Musuka
2b7958f5f3
chore(bus): add a select few read/write guards
2021-06-09 20:48:31 -05:00
Rekai Nyangadzayi Musuka
50efe12aec
chore: change how bus components are clocked
2021-06-09 19:41:10 -05:00
Rekai Nyangadzayi Musuka
a904503b90
chore: document IO registers
2021-06-09 13:43:46 -05:00
Rekai Nyangadzayi Musuka
1449ed3765
fix(joypad): reimplement joypad
2021-06-07 17:23:48 -05:00
Rekai Nyangadzayi Musuka
dd86330e1d
fix(bus): Fix address calculation error in Echo RAM
2021-06-07 00:22:11 -05:00
Rekai Nyangadzayi Musuka
d5e67568dd
chore(bus): temporarily disable VRAM and OAM gates
...
There appears to be severe timing issues in the ppu which result in
regressions with these gates enabled. They are commented out for now,
but will be re-enabled once the timing issues in the PPU are fixed
2021-06-07 00:01:40 -05:00
Rekai Nyangadzayi Musuka
e8e6c41dbe
fix(dma): initial version of dma transfer now works
2021-06-06 23:57:54 -05:00
Rekai Nyangadzayi Musuka
d623800005
fix: apply clippy suggestions
2021-06-06 21:30:08 -05:00
Rekai Nyangadzayi Musuka
c428e934d8
fix(bus): improve guards for illlegal memory IO
2021-06-06 21:18:19 -05:00
Rekai Nyangadzayi Musuka
ef4e54aba6
chore: restrict what should be pub or not
2021-06-06 20:47:11 -05:00
Rekai Nyangadzayi Musuka
878edd4082
chore: replace pub with pub(crate) when possible
2021-06-06 19:14:28 -05:00
Rekai Nyangadzayi Musuka
b7b213b6b9
chore(bus): implement read/write blocks when dma is active
2021-06-05 20:53:35 -05:00
Rekai Nyangadzayi Musuka
811a9f9cc9
feat(dma): implement non-working dma transfer
2021-06-04 13:47:06 -05:00
Rekai Nyangadzayi Musuka
86f3a897f1
feat(egui): add timer window
2021-06-02 02:44:32 -05:00
Rekai Nyangadzayi Musuka
9ea26d4a05
chore: improve performance of match statements
2021-05-19 02:52:32 -05:00
Rekai Nyangadzayi Musuka
abdff1251e
fix: properly implement LY==LYC behaviour
2021-05-05 08:29:39 -05:00
Rekai Nyangadzayi Musuka
6f919acafb
chore(bus): remove 0xFF7F matches from read and write_byte
2021-05-04 21:38:37 -05:00
Rekai Nyangadzayi Musuka
5a59c31b72
fix(joypad): fix bug where gameboy overwrites read only bits
2021-05-03 23:37:30 -05:00
Rekai Nyangadzayi Musuka
4abb2833c4
chore: implement gamepad controls
2021-05-03 23:11:39 -05:00
Rekai Nyangadzayi Musuka
1e19854ab0
feat: reimplement joypad status register
2021-05-03 03:27:23 -05:00
Rekai Nyangadzayi Musuka
9003617459
chore: rename properties in bus.rs
2021-04-27 04:06:08 -05:00
Rekai Nyangadzayi Musuka
b43c8ac7c9
feat(cartridge): grab title from the ROM
2021-04-14 01:21:45 -05:00
Rekai Nyangadzayi Musuka
5931fe95e3
feat(ppu): implement (broken) sprite renderer
2021-04-09 00:35:41 -05:00
Rekai Nyangadzayi Musuka
7425384fb1
chore: convert select base 10 constants to base 16
2021-04-08 20:32:32 -05:00
Rekai Nyangadzayi Musuka
770b081f98
feat(ppu): stub sprite attribute table
2021-04-08 20:28:30 -05:00
Rekai Nyangadzayi Musuka
23de87e482
chore: remove panics when gameboy performs certain actions
2021-04-08 19:23:29 -05:00
Rekai Nyangadzayi Musuka
41081e9cce
feat(bus): implement echo RAM
2021-04-08 17:58:33 -05:00
Rekai Nyangadzayi Musuka
e2fa72aa0e
chore: remove unecessary eprintln! statements
2021-04-08 00:02:54 -05:00
Rekai Nyangadzayi Musuka
62bd88945f
chore: rename a couple of interrupt instances to "int" instead of
...
"interrupt"
2021-04-04 01:52:53 -05:00
Rekai Nyangadzayi Musuka
777abd1c10
chore: rename some symbols
2021-04-04 01:31:31 -05:00
Rekai Nyangadzayi Musuka
4dd7a0d9ce
chore: fix several clippy warnings
2021-04-04 01:19:39 -05:00
Rekai Nyangadzayi Musuka
25e44f3e49
chore: fix condition when logs are printed
2021-03-27 15:07:17 -05:00
Rekai Nyangadzayi Musuka
2b05571c49
chore: rename Cycles newtype to Cycle
2021-03-27 12:10:18 -05:00
Rekai Nyangadzayi Musuka
bce14348f8
feat: enable halt and rework timer registers
2021-03-27 11:56:47 -05:00
Rekai Nyangadzayi Musuka
a82e3d3372
feat: implement HALT behaviour
...
note: while the logic is there, the instruction currently does not do
anything because we don't halde it in Cpu::step(). The code that does is
currently commented out and there should be some underlying bugs still
present. Nevertheless it is a good start
2021-03-23 23:05:27 -05:00
Rekai Nyangadzayi Musuka
c16f318fd1
fix: remove unnecessary allocation when loading boot rom
2021-03-23 21:21:18 -05:00
Rekai Nyangadzayi Musuka
48ac8317a8
fix(bus): fix off by one error when reading from boot rom
2021-03-23 21:01:33 -05:00
Rekai Nyangadzayi Musuka
342e6616ac
chore: improve unreachable! and panic! error messages
2021-03-22 22:33:56 -05:00
Rekai Nyangadzayi Musuka
2813b762dd
chore: replace select unreachable! macros with todo! and unreachable!
2021-03-22 21:52:28 -05:00
Rekai Nyangadzayi Musuka
45466a5733
feat: implement clap for cli and improve error messages
2021-03-22 21:41:22 -05:00
Rekai Nyangadzayi Musuka
dc45688e4f
feat: implement timers
2021-03-21 03:03:03 -05:00
Rekai Nyangadzayi Musuka
fe586d77ac
feat: stub 0xFF05
2021-03-21 02:01:19 -05:00
Rekai Nyangadzayi Musuka
5a42d76f1e
feat: implement LCDSTAT interrupt
2021-03-21 00:01:21 -05:00
Rekai Nyangadzayi Musuka
b213a6e545
feat: make 0xFF0F aware of joypad struct interrupt bool
2021-03-20 21:21:55 -05:00
Rekai Nyangadzayi Musuka
36e572b783
feat: implement Joypad register
2021-03-20 21:11:45 -05:00
Rekai Nyangadzayi Musuka
cd0eac9d37
chore: improve code quality
...
Removed a lot of magic constants. Gave them descriptive variable names
2021-03-20 20:26:49 -05:00
Rekai Nyangadzayi Musuka
f365633c1e
fix: allow for the ppu to modify interrupt flags
2021-03-20 19:53:56 -05:00
Rekai Nyangadzayi Musuka
558f9e7c72
feat: implement cpu interrupts
2021-03-18 21:07:19 -05:00
Rekai Nyangadzayi Musuka
4663e8c960
chore: unifty read_byte and write_byte across hardware
2021-03-17 00:29:36 -05:00
