Commit Graph

151 Commits

Author SHA1 Message Date
Lior Halphon
274760746e Fix #165 2019-06-07 19:18:07 +03:00
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
3e724afb0a Basic SGB support in the SDL port 2019-05-18 18:45:31 +03:00
Lior Halphon
06670fc970 Fix #172. Allow unroll optimizations when compiling with GCC. 2019-05-10 21:51:11 +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
9d0aadb83f Emulate missing Vreset signal (SGB only for now) and ICD2 desyncing 2019-02-15 17:04:48 +02:00
Lior Halphon
73a54049d2 Accurate PPU access timings 2019-01-19 19:32:26 +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
21eb96a2f5 Joypad multiplayer support (Cocoa) 2018-12-15 18:55:41 +02:00
Lior Halphon
b1a2e45168 Improvements to the SGB animation 2018-12-01 13:39:43 +02:00
Lior Halphon
2d6d1e6325 SGB boot animation 2018-11-24 13:21:00 +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
c9d6a1381f Cross emulator compatibility with RTC saves 2018-11-03 01:31:14 +02:00
Lior Halphon
2e9e3424ec Document some revision differences 2018-07-14 21:52:54 +03:00
Lior Halphon
a7aabca618 Starting to add CGB-C support 2018-07-03 21:43:46 +03:00
Lior Halphon
45c73e0175 Replaced the is_cgb bool with a more future compatible model enum. Removed the GB_init_cgb API and replaced it with an extended GB_init and GB_switch_model_and_reset APIs that now receive a model parameter. Increased the struct version. 2018-06-16 13:59:33 +03:00
Lior Halphon
f64da1864f APU glitch: When turning the APU on while DIV's bit 4 (or 5 in double speed mode), the first DIV/APU event is skipped. 2018-06-09 15:11:20 +03:00
Lior Halphon
f1dfa2a1bc More sensible implementation of the STAT interrupt. 2018-06-04 02:07:38 +03:00
Lior Halphon
855ffb490a A HBlank interrupt cannot occur in the last M-cycle of HBlank. Correct emulation of STAT access conflicts on the CGB (Test: CPU-E, single speed only). Fixes a minor graphical glitch in Pokémon Puzzle Challenge. 2018-05-25 23:42:36 +03:00
Lior Halphon
1fcde88d8a Improved accuracy of the halt bug 2018-05-12 22:13:52 +03:00
Lior Halphon
af3554c1d1 More accurate emulation of the LYC register and interrupt. (Still not perfect on a CGB) 2018-04-27 13:40:39 +03:00
Lior Halphon
d667d87bbe Refactor CPU code so handling access conflicts is possible 2018-04-14 13:25:55 +03:00
Lior Halphon
f1ec42d4ba H/GDMA was 4 times faster than it should have been. Made it also more accurate. Fixes #56 2018-04-13 14:41:39 +03:00
Lior Halphon
fed2556fc3 More reasonable implementation of sprite timings 2018-04-07 03:00:26 +03:00
Lior Halphon
0751eae90b Moved the fetcher state machine to another function 2018-04-06 19:29:49 +03:00
Lior Halphon
0461fb5b2a Simplified FIFO logic 2018-04-06 19:11:48 +03:00
Lior Halphon
9aadc80f75 Implemented some obscure PPU rendering quirks, verified some timings 2018-04-05 15:33:21 +03:00
Lior Halphon
ec64c041ab The OAM interrupt is internally implemented differently from the other 3. Fixed the stat_write_if tests, relates to #54 2018-04-01 21:45:56 +03:00
Lior Halphon
73dc3560a5 Mode 0 interrupts do not occur in the glitched mode 0 of the first line 0. The extra OAM interrupt bug also affects DMG. 2018-03-31 13:18:02 +03:00
Lior Halphon
9811dceca1 Emulate another OAM timing quirk; a sprite at x = 0 has extra penalty if SCX is not 0. Fixes intr_2_mode0_timing_sprites_scx*_nops, affects #54 2018-03-30 17:06:27 +03:00
Lior Halphon
2c44ffbe39 More accurate fetcher penalty emulation, fixed intr_2_mode0_timing_sprites_nops, affects #54 2018-03-30 02:53:49 +03:00
Lior Halphon
96063fb0da Fixed Windows build, added Unicode support in Windows. 2018-03-28 21:59:27 +03:00
Lior Halphon
0e3d2770d9 Properly handle cases where an object’s X position is modified between the OAM mode and rendering mode 2018-03-27 22:13:08 +03:00
Lior Halphon
4986930511 Mostly complete emulation of the OAM bug. Passes oam_bug-2. 2018-03-27 15:46:00 +03:00
Lior Halphon
04bfc89816 Cycle accurate OAM search mode 2018-03-23 19:07:14 +03:00
Lior Halphon
3883b7d86a Merge branch 'master' into timing
# Conflicts:
#	Core/display.c
#	Core/z80_cpu.c
2018-03-19 23:46:33 +02:00
Lior Halphon
b50c97f4a7 Prevent starting HDMA in the middle of an instruction, making both the CPU and DMA access memory at the same time. Closes #47 2018-03-19 20:01:31 +02:00
Lior Halphon
c267ad00b5 Goodbye 2018-03-09 23:34:23 +02:00
Lior Halphon
9083e883fe CGB BG rendering 2018-03-09 18:52:36 +02:00
Lior Halphon
a32f232bb1 Fixed OAM-window priority glitch, fixed OAM glitch in Prehistoric Man 2018-03-09 17:10:19 +02:00
Lior Halphon
3d1c8b50c4 OAM search and OAM timing in mode 3 2018-03-04 22:21:56 +02:00