Commit Graph

568 Commits

Author SHA1 Message Date
Lior Halphon
2f9de4942c Increase input polling frequency in the Cocoa and SDL frontends, should make inputs look less synthetic and potentially reduce input lag 2019-06-07 18:27:25 +03:00
Lior Halphon
64879f5b02 Accurate emulation of (most aspects of) stop mode 2019-06-07 13:53:50 +03:00
Lior Halphon
4c34e0a6e0 Turns out the AGB inverts Channel 3’s output 2019-06-01 18:22:58 +03:00
Lior Halphon
6888047102 Show flags in the registers command 2019-06-01 16:42:17 +03:00
Lior Halphon
cdc36f329e Added open dialog to the SDL GUI, misc fixes 2019-06-01 14:29:46 +03:00
Lior Halphon
1de34b12ac
Merge pull request #181 from ISSOtm/master
Fix sample lengths for CH1, 2 and 4
2019-05-25 21:09:47 +03:00
Lior Halphon
85c43fa81f Fixed Channel 3’s first sample behavior, update analog characteristic to more realistic values. Fixes #177 2019-05-25 19:12:09 +03:00
Lior Halphon
3e724afb0a Basic SGB support in the SDL port 2019-05-18 18:45:31 +03:00
ISSOtm
ec5d1b7b88 Fix sample lengths for CH1, 2 and 4 2019-05-18 03:01:20 +02:00
Lior Halphon
3ee2c64899 Make the apu command a bit safer 2019-05-17 22:03:23 +03:00
Lior Halphon
6648a0a84d Minor adjustments and style fixes to the new APU debug functions 2019-05-17 20:48:49 +03:00
Lior Halphon
280467ad38
Merge branch 'master' into master 2019-05-17 20:31:52 +03:00
Lior Halphon
91eeb4d9d5 Emulate AGB audio mixing 2019-05-17 00:08:34 +03:00
ISSOtm
40f83c8f25 Add APU-related debugger commands
This change includes making one of the APU functions public
2019-05-15 12:45:51 +02:00
Lior Halphon
ddc4e7484b Fix and restore optimization 2019-05-10 22:29:30 +03:00
Lior Halphon
06670fc970 Fix #172. Allow unroll optimizations when compiling with GCC. 2019-05-10 21:51:11 +03:00
orbea
2bded45397 Disable pragmas for gcc. 2019-05-09 10:55:31 -07:00
Lior Halphon
82ce597573 Line breaks 2019-04-12 20:30:02 +03:00
Lior Halphon
05cd81b77c Implemented jump-to breakpoints 2019-04-12 20:29:43 +03:00
Lior Halphon
7242ddae64 speling is difikult 2019-03-16 20:56:22 +02:00
Lior Halphon
c342663200 Emulate serial bit shifting, update the serial API to use bits instead of bytes, update printer emulation and libretro to use the new API 2019-03-15 14:36:10 +02:00
Lior Halphon
0b03b61564 Render the first line 0, as required for SGB emulation 2019-02-16 04:19:16 +02:00
Lior Halphon
9d0aadb83f Emulate missing Vreset signal (SGB only for now) and ICD2 desyncing 2019-02-15 17:04:48 +02:00
Lior Halphon
dde06e7cae Work around a crashing race condition, proper fix needed 2019-01-28 20:56:37 +02:00
Lior Halphon
b996ed9220 Writing to BGPD/OBPD while it’s blocked still increases BGPI/OBPI if needed. Fixes #145 2019-01-19 23:37:44 +02:00
Lior Halphon
73a54049d2 Accurate PPU access timings 2019-01-19 19:32:26 +02:00
Lior Halphon
4536581a6e Fixed a bug where modifying RTC data would corrupt cartridge RAM data. Fixes #136 2019-01-18 02:36:14 +02:00
Lior Halphon
312478e509 CGB palettes are not accessible during Mode 3, closes #84 2019-01-14 22:22:46 +02:00
Lior Halphon
879d3b607d Removed verified TODO 2019-01-14 20:32:52 +02:00
Lior Halphon
ba5c07bed9 Correctly emulate speed switch timing 2019-01-13 01:09:41 +02:00
Lior Halphon
c74b39e712 The CPU core of the Game Boy is (most likely) called SM83 2019-01-12 00:42:16 +02:00
Lior Halphon
21d2a59a5f Fixed a very rare edge case where an interrupt occurs when SP=FF11 2019-01-12 00:39:24 +02:00
Lior Halphon
4e2b5bb336 Fix the GB_run_frame API in SGB mode 2019-01-11 21:53:21 +02:00
Lior Halphon
7b36ee10a4 Merge branch 'master' into sgb 2019-01-05 19:00:22 +02:00
Lior Halphon
ae959cd878 ATTR_LIN and ATTR_DIV 2019-01-05 18:59:50 +02:00
Lior Halphon
4051f190a5 Cache cycles_per_sample to avoid FP arithmetic 2019-01-01 00:42:40 +02:00
Lior Halphon
9d947c7ce6 Unroll some APU loops 2018-12-31 23:09:56 +02:00
Lior Halphon
af0430dbc5 Unroll some loops in PPU code, more efficient timer handling 2018-12-31 22:06:20 +02:00
Lior Halphon
21eb96a2f5 Joypad multiplayer support (Cocoa) 2018-12-15 18:55:41 +02:00
Lior Halphon
612cd07fb3 Fixed emulation of echo RAM 2018-12-12 23:44:00 +02:00
Lior Halphon
ea09dfc888 Fixed multiplayer SGB mode 2018-12-04 23:46:30 +02:00
Lior Halphon
b1a2e45168 Improvements to the SGB animation 2018-12-01 13:39:43 +02:00
Lior Halphon
6d28e74667 Color 0 must always be shared 2018-11-24 15:53:53 +02:00
Lior Halphon
4b93f89763 Correct emulation of color masks 2018-11-24 15:42:54 +02:00
Lior Halphon
389d8ae045 Halt the CPU while the SGB animation is playing 2018-11-24 13:34:07 +02:00
Lior Halphon
2d6d1e6325 SGB boot animation 2018-11-24 13:21:00 +02:00
Lior Halphon
b3166135eb Clean up that crashing mess I made 2018-11-23 19:59:15 +02:00
Lior Halphon
558f9b9bae Updated SGB border, add “2” to SGB2 2018-11-23 14:16:48 +02:00
Lior Halphon
67d52b78b6 Handling interrupted SGB commands 2018-11-17 12:26:07 +02:00
Lior Halphon
af5ef50cf9 Fixing default border 2018-11-17 01:39:38 +02:00
Lior Halphon
deb5e21842 More colorization commands 2018-11-17 00:44:18 +02:00
Lior Halphon
b698ce5d95 Correctly emulate SGB border color 0 2018-11-17 00:44:07 +02:00
Lior Halphon
e5e7ce8203 Basic colorization 2018-11-16 22:05:35 +02:00
Lior Halphon
d42cbcdee2 Palette transfer functions 2018-11-16 19:11:21 +02:00
Lior Halphon
91a3091b2e Build fix 2018-11-16 17:41:23 +02:00
Lior Halphon
2710939e1e That should be an inc file 2018-11-16 17:38:53 +02:00
Lior Halphon
595907cae2 Border fade animation 2018-11-16 17:36:21 +02:00
Lior Halphon
69ac36cca1 Add default SGB border 2018-11-16 17:22:57 +02:00
Lior Halphon
398148f7ea Basic SGB border support 2018-11-16 16:04:40 +02:00
Lior Halphon
382d9f8898 MASK_EN support 2018-11-16 12:42:52 +02:00
Lior Halphon
2f2b792edf SGB save states 2018-11-16 01:53:01 +02:00
Lior Halphon
634a54c046 SGB resolution support (Cocoa only so far) 2018-11-15 00:21:21 +02:00
Lior Halphon
6ba5cfbeef Support for multi-packet SGB commands 2018-11-13 23:45:26 +02:00
Lior Halphon
7735d638c6 Multiplayer SGB APIs/SGB detection 2018-11-12 00:37:06 +02:00
Lior Halphon
5c581651ce Handle the SGB header commands, disable SGB functions if needed. 2018-11-11 22:50:00 +02:00
Lior Halphon
44891d5c4a Initial code to support SGB, command “parsing”, replacement SGB boot ROM 2018-11-11 01:16:32 +02:00
Lior Halphon
94136f5741 Adjust DAC attributes to fix LADX’s crackling audio (Fixes #125) while keeping Cannon Fodder’s buzzing reasonable (Proper audio measurements still required) 2018-11-10 19:14:18 +02:00
Lior Halphon
a39b314378 Fixed silly APU regression (Noise volume envelope ran too fast) Fixes #121 2018-11-03 14:37:19 +02:00
Lior Halphon
c9d6a1381f Cross emulator compatibility with RTC saves 2018-11-03 01:31:14 +02:00
Lior Halphon
64922fff4b Fixed a bug where channels 1 and 2 would start playing earlier than they should have if NRx4 was written to twice. Fixes #86. 2018-10-29 00:44:43 +02:00
Lior Halphon
3035f43428 Emulation of DAC charging, Fixes #46, #85, #88 and #89 2018-10-19 23:53:01 +03:00
Lior Halphon
4276549acd Research notes TODOs 2018-10-19 01:02:27 +03:00
Lior Halphon
324201f336 Correct emulation of switching the DACs on and off. Fixes #100 and #87 2018-10-17 20:35:29 +03:00
Lior Halphon
e9b78b6370
Merge pull request #114 from RobLoach/patch-2
Fix control reaches end of non-void function
2018-10-12 17:10:11 +03:00
Rob Loach
2da7a3f7fb
Fix the return value of read_lvalue to be 0 2018-10-12 10:09:30 -04:00
Rob Loach
e834d32b8e
Update switch to just return at the end instead 2018-10-12 09:41:25 -04:00
Rob Loach
ec41e87cf1
Update logic behind params 2018-10-11 22:39:43 -04:00
Rob Loach
b8825127fd
Fix parentheses around ‘+’ in operand of ‘&’
```
Core/z80_cpu.c: In function ‘add_hl_rr’:
Core/z80_cpu.c:341:31: error: suggest parentheses around ‘+’ in operand of ‘&’ [-Werror=parentheses]
     if ( ((unsigned long) hl) + ((unsigned long) rr) & 0x10000) {
          ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
```
2018-10-11 22:37:26 -04:00
Rob Loach
f4ee044347
Fix control reaches end of non-void function
This change makes it so that there is a return value when a kind doens't match. Allows -Werror=return-type to pass.

```
Core/debugger.c: In function ‘read_lvalue’:
Core/debugger.c:239:1: error: control reaches end of non-void function [-Werror=return-type]
 }
```
2018-10-11 22:17:16 -04:00
Lior Halphon
11c148c851 Starting G/HDMA directly takes one more M-cycle (More research required) 2018-09-15 00:48:31 +03:00
Lior Halphon
dbc338a887 Compensate for prefetch in DIV’s initial value 2018-09-15 00:47:26 +03:00
Lior Halphon
ec0a879a93 Correct emulation of enabling and disabling the volume envelope. Correct emulation of a glitch where the volume envelope ticks when it usually wouldn’t. 2018-09-10 16:59:59 +03:00
Lior Halphon
3151821e6d Fixed minor APU regression (Channels 1 and 2 were given no delay under certain circumstances) 2018-09-09 12:50:55 +03:00
a36dd791ec
Rewrite the DAA instruction 2018-07-22 18:37:34 +02:00
Lior Halphon
f7b882f0e8 Whoops 2018-07-22 02:10:26 +03:00
Lior Halphon
b7426f93c0 Randomize object palettes. Slightly more accurate emulation of FF4C. 2018-07-20 23:23:47 +03:00
Lior Halphon
ce80acc818 Fixed HDMA timing )But still not verified) 2018-07-20 12:34:52 +03:00
Lior Halphon
b1cc55b786 Turns out Left/Right audio channels were flipped 2018-07-19 20:38:11 +03:00
Lior Halphon
c66b6fbafc Fixed an edge case with DAC discharge emulation 2018-07-16 23:08:25 +03:00
Lior Halphon
2e9e3424ec Document some revision differences 2018-07-14 21:52:54 +03:00
Lior Halphon
0145b790a3 Merge branch 'v0.11.x' 2018-07-11 20:08:33 +03:00
Lior Halphon
5f58323c01 Attempt to improve audio quality on frontend with big audio buffers 2018-07-10 21:33:03 +03:00
Lior Halphon
dc5cb71c22 Emulate CGB-C’s quirky LFSR function 2018-07-04 21:55:12 +03:00
Lior Halphon
f3437d7cc0 Added todo 2018-07-03 23:47:50 +03:00
Lior Halphon
b7b35c9b59 CGB-C timing 2018-07-03 22:25:09 +03:00
Lior Halphon
0a78f735d3 Fetcher Y is not cached on CGB-C 2018-07-03 22:14:53 +03:00
Lior Halphon
18ae18a95c LYC bit on CGB-C 2018-07-03 21:56:32 +03:00
Lior Halphon
a7aabca618 Starting to add CGB-C support 2018-07-03 21:43:46 +03:00
Lior Halphon
47a74cb6c3 Randomize initial RAM values. Closes #82 2018-06-30 16:53:28 +03:00
Lior Halphon
2791775c5d Improvements to the lcd debugger command 2018-06-22 18:38:54 +03:00