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140 Commits

Author SHA1 Message Date
Rekai Nyangadzayi Musuka 15781b3d5a fix(instructions): correct the flags being set in ADD HL, r16 2021-03-26 20:19:48 -05:00
Rekai Nyangadzayi Musuka a6d5553035 fix(cartridge): reimplement apply_rom_size_bitmask 2021-03-26 20:18:49 -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 e5fb07c4d1 chore: refactor parts of instruction.rs 2021-03-23 20:22:11 -05:00
Rekai Nyangadzayi Musuka 501d93c37b chore: clean up code in one instruction 2021-03-23 18:21:59 -05:00
Rekai Nyangadzayi Musuka 1b7d778c1d chore: clean up some instruction code 2021-03-23 02:11:40 -05:00
Rekai Nyangadzayi Musuka 6f11640f24 chore: replace CALL instruction with RST in interrupt handler 2021-03-23 02:11:06 -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 9301a36682 chore: remove all unwraps from the project 2021-03-22 21:48:12 -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 d7d9fd857f fix: squash bugs in cpu intrucion implementation 2021-03-21 21:16:23 -05:00
Rekai Nyangadzayi Musuka 8a1540c9e9 fix: replaced unnecessary &mut self with &self 2021-03-21 19:56:38 -05:00
Rekai Nyangadzayi Musuka dc45688e4f feat: implement timers 2021-03-21 03:03:03 -05:00
Rekai Nyangadzayi Musuka 4db6f1de6e chore: move LR35902_CLOCK_SPEED to lib.rs 2021-03-21 02:10:56 -05:00
Rekai Nyangadzayi Musuka b548610fdb chore: re-enable scrolling 2021-03-21 02:08:29 -05:00
Rekai Nyangadzayi Musuka fe586d77ac feat: stub 0xFF05 2021-03-21 02:01:19 -05:00
Rekai Nyangadzayi Musuka 15da6cb7d2 fix: squash several bugs in MBC1 implementation 2021-03-21 01:52:29 -05:00
Rekai Nyangadzayi Musuka 5a42d76f1e feat: implement LCDSTAT interrupt 2021-03-21 00:01:21 -05:00
Rekai Nyangadzayi Musuka c64417fdce fix: horizontally flip ppu so the Nin***** logo is readable 2021-03-20 23:24:06 -05:00
Rekai Nyangadzayi Musuka 7462061937 chore: be more specific with integer types 2021-03-20 22:19:55 -05:00
Rekai Nyangadzayi Musuka f78651d8d7 feat: implement programmable background palette 2021-03-20 22:19:13 -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 fc303b6265 chore: rename "as u8" to "as Self" when implementing From Trait 2021-03-20 21:10:48 -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 0f4dec8a38 feat: implement cpu timing for emulator 
When running the GB Boot ROM, a garbled Nin***** logo will appear
 2021-03-20 19:56:26 -05:00
Rekai Nyangadzayi Musuka d76b3b6101 chore: make Cycles::new a const fn 2021-03-20 19:55:39 -05:00
Rekai Nyangadzayi Musuka 2401cf7190 chore: implement default for cycles 2021-03-20 19:55:02 -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 f45c2439c1 chore: update dependencies 2021-03-20 17:49:36 -05:00
Rekai Nyangadzayi Musuka 558f9e7c72 feat: implement cpu interrupts 2021-03-18 21:07:19 -05:00
Rekai Nyangadzayi Musuka fb38ef3f68 feat: emu slowly draws scanline to pixelbuffer 2021-03-18 21:06:57 -05:00
Rekai Nyangadzayi Musuka 4663e8c960 chore: unifty read_byte and write_byte across hardware 2021-03-17 00:29:36 -05:00
Rekai Nyangadzayi Musuka adeb6ca8a9 feat: implement window x, window y and ly compare registers 2021-03-16 22:52:43 -05:00
Rekai Nyangadzayi Musuka 06821bf880 fix: improve types of heap allocated arrays 2021-03-16 22:51:41 -05:00
Rekai Nyangadzayi Musuka 528b88eeb7 feat: implement Obj Palette 0 and 1 2021-03-16 02:36:09 -05:00
Rekai Nyangadzayi Musuka 8af434da07 fix: have the PPU use the CPU-writable Display Mode enum 2021-03-16 02:35:01 -05:00
Rekai Nyangadzayi Musuka 8c25e6f976 chore: fix spelling mistake 2021-03-16 02:31:07 -05:00
Rekai Nyangadzayi Musuka 19f642eafe chore: make clippy happy 2021-03-16 01:05:13 -05:00
Rekai Nyangadzayi Musuka bfde24cc8d fix: reimplement some ppu structs as bitfield macros 2021-03-16 00:27:27 -05:00
Rekai Nyangadzayi Musuka ef4cc8c3b6 chore: standardize the error message of a subet of unreachable! calls 2021-03-15 23:53:55 -05:00
Rekai Nyangadzayi Musuka 3b5d94adfc fix: reimplement flags register to be a bitfield 2021-03-15 23:35:20 -05:00
Rekai Nyangadzayi Musuka f57cf2b312 fix: switch to bitfield macros in serial.rs 2021-03-15 22:52:26 -05:00
Rekai Nyangadzayi Musuka d0410c4dfd fix: modify access parameters in timer.rs 2021-03-15 22:51:12 -05:00
Rekai Nyangadzayi Musuka f17bb032cc fix: implement bitfield macros in timer.rs 2021-03-15 22:41:41 -05:00
Rekai Nyangadzayi Musuka 1a8506c04f chore: improve code quality 2021-03-15 22:36:27 -05:00
Rekai Nyangadzayi Musuka 3d82465b04 chore: clean up code 2021-03-15 22:08:47 -05:00