2b7958f5f3
chore(bus): add a select few read/write guards
2021-06-09 20:48:31 -05:00
50efe12aec
chore: change how bus components are clocked
2021-06-09 19:41:10 -05:00
a904503b90
chore: document IO registers
2021-06-09 13:43:46 -05:00
1449ed3765
fix(joypad): reimplement joypad
2021-06-07 17:23:48 -05:00
dd86330e1d
fix(bus): Fix address calculation error in Echo RAM
2021-06-07 00:22:11 -05:00
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
e8e6c41dbe
fix(dma): initial version of dma transfer now works
2021-06-06 23:57:54 -05:00
d623800005
fix: apply clippy suggestions
2021-06-06 21:30:08 -05:00
c428e934d8
fix(bus): improve guards for illlegal memory IO
2021-06-06 21:18:19 -05:00
ef4e54aba6
chore: restrict what should be pub or not
2021-06-06 20:47:11 -05:00
878edd4082
chore: replace pub with pub(crate) when possible
2021-06-06 19:14:28 -05:00
b7b213b6b9
chore(bus): implement read/write blocks when dma is active
2021-06-05 20:53:35 -05:00
811a9f9cc9
feat(dma): implement non-working dma transfer
2021-06-04 13:47:06 -05:00
86f3a897f1
feat(egui): add timer window
2021-06-02 02:44:32 -05:00
9ea26d4a05
chore: improve performance of match statements
2021-05-19 02:52:32 -05:00
abdff1251e
fix: properly implement LY==LYC behaviour
2021-05-05 08:29:39 -05:00
6f919acafb
chore(bus): remove 0xFF7F matches from read and write_byte
2021-05-04 21:38:37 -05:00
5a59c31b72
fix(joypad): fix bug where gameboy overwrites read only bits
2021-05-03 23:37:30 -05:00
4abb2833c4
chore: implement gamepad controls
2021-05-03 23:11:39 -05:00
1e19854ab0
feat: reimplement joypad status register
2021-05-03 03:27:23 -05:00
9003617459
chore: rename properties in bus.rs
2021-04-27 04:06:08 -05:00
b43c8ac7c9
feat(cartridge): grab title from the ROM
2021-04-14 01:21:45 -05:00
5931fe95e3
feat(ppu): implement (broken) sprite renderer
2021-04-09 00:35:41 -05:00
7425384fb1
chore: convert select base 10 constants to base 16
2021-04-08 20:32:32 -05:00
770b081f98
feat(ppu): stub sprite attribute table
2021-04-08 20:28:30 -05:00
23de87e482
chore: remove panics when gameboy performs certain actions
2021-04-08 19:23:29 -05:00
41081e9cce
feat(bus): implement echo RAM
2021-04-08 17:58:33 -05:00
e2fa72aa0e
chore: remove unecessary eprintln! statements
2021-04-08 00:02:54 -05:00
62bd88945f
chore: rename a couple of interrupt instances to "int" instead of
...
"interrupt"
2021-04-04 01:52:53 -05:00
777abd1c10
chore: rename some symbols
2021-04-04 01:31:31 -05:00
4dd7a0d9ce
chore: fix several clippy warnings
2021-04-04 01:19:39 -05:00
25e44f3e49
chore: fix condition when logs are printed
2021-03-27 15:07:17 -05:00
2b05571c49
chore: rename Cycles newtype to Cycle
2021-03-27 12:10:18 -05:00
bce14348f8
feat: enable halt and rework timer registers
2021-03-27 11:56:47 -05:00
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
c16f318fd1
fix: remove unnecessary allocation when loading boot rom
2021-03-23 21:21:18 -05:00
48ac8317a8
fix(bus): fix off by one error when reading from boot rom
2021-03-23 21:01:33 -05:00
342e6616ac
chore: improve unreachable! and panic! error messages
2021-03-22 22:33:56 -05:00
2813b762dd
chore: replace select unreachable! macros with todo! and unreachable!
2021-03-22 21:52:28 -05:00
45466a5733
feat: implement clap for cli and improve error messages
2021-03-22 21:41:22 -05:00
dc45688e4f
feat: implement timers
2021-03-21 03:03:03 -05:00
fe586d77ac
feat: stub 0xFF05
2021-03-21 02:01:19 -05:00
5a42d76f1e
feat: implement LCDSTAT interrupt
2021-03-21 00:01:21 -05:00
b213a6e545
feat: make 0xFF0F aware of joypad struct interrupt bool
2021-03-20 21:21:55 -05:00
36e572b783
feat: implement Joypad register
2021-03-20 21:11:45 -05:00
cd0eac9d37
chore: improve code quality
...
Removed a lot of magic constants. Gave them descriptive variable names
2021-03-20 20:26:49 -05:00
f365633c1e
fix: allow for the ppu to modify interrupt flags
2021-03-20 19:53:56 -05:00
558f9e7c72
feat: implement cpu interrupts
2021-03-18 21:07:19 -05:00
4663e8c960
chore: unifty read_byte and write_byte across hardware
2021-03-17 00:29:36 -05:00
adeb6ca8a9
feat: implement window x, window y and ly compare registers
2021-03-16 22:52:43 -05:00
