Commit Graph

89 Commits

Author SHA1 Message Date
Lior Halphon
ffa53eda20 DMA during mode 3 emulation 2022-01-14 17:09:39 +02:00
Lior Halphon
769aac93c0 Lazy APU, extra ~17% speed up 2021-12-29 00:48:44 +02:00
Lior Halphon
c53d99dbc4 Abolished slow double use 2021-12-26 15:20:46 +02:00
Lior Halphon
c5f6be1e64 Several likely/unlikely optimization, saving on a memset 2021-12-26 02:38:54 +02:00
Lior Halphon
69de3f0fae Implement a PPU fast path, up to 34% performance boost 2021-12-26 01:47:59 +02:00
Lior Halphon
7e5e672988 RTC speed multiplier, for TAS syncing (#422) 2021-12-11 02:51:21 +02:00
Lior Halphon
33090a5cc0 Fix an oops from the last commit 2021-11-26 13:38:52 +02:00
Lior Halphon
f1e5e04198 ...even when timekeeping is disabled 2021-11-25 21:46:51 +02:00
Lior Halphon
d0d39015ee Let update_input_hint_callback get called during turbo 2021-11-25 21:17:49 +02:00
Lior Halphon
fbf1bb7f98 Save state compatibility breaking cleanup 2021-11-07 12:56:46 +02:00
Lior Halphon
4ce643d5eb Fix timer bug; fixes #409 2021-10-10 16:53:07 +03:00
Lior Halphon
a5325d3374 Improved ticks command, more accurate speed switch timings, better odd-mode warnings 2021-07-11 21:49:58 +03:00
Lior Halphon
6f6f72dcbd More accurate emulation of STOP 2021-07-11 12:11:12 +03:00
Lior Halphon
87a2d48675 Redo TPP1 saving, fix RTC and HUC3 in BESS 2021-04-16 00:35:54 +03:00
Lior Halphon
f24489b983 TPP1 support 2021-04-10 23:56:41 +03:00
Lior Halphon
6b8eb8063a Fix a bug where SameBoy would start in "faux turbo mode" 2021-04-02 02:54:14 +03:00
Lior Halphon
ad54dc57b0 Improved time syncing when turning the LCD on and off, fixes #193 2021-03-21 15:15:04 +02:00
Lior Halphon
ce44773caa Make the printer not deadlock after a sudden termination 2021-02-26 16:40:35 +02:00
Lior Halphon
71c6fa45e0 Accurate RTC emulation 2021-02-26 00:40:18 +02:00
Lior Halphon
e08df2a089 Add accurate RTC emulation mode 2021-02-25 22:12:14 +02:00
Lior Halphon
4c05ebcea6 Redo the volume envelope with better timings, locking emulation and zombie mode edge cases. Fixes #344 2021-02-25 15:43:38 +02:00
Lior Halphon
4bbd27735f Fix a regression in speed switch timing, reset DIV on speed switch, better odd-mode detection and avoidance 2020-12-25 20:41:00 +02:00
Lior Halphon
1d9ac5ccc3 More accurate IR emulation, simplify API 2020-11-21 00:52:54 +02:00
Lior Halphon
dab1c1bcfa Fix RTC drift 2020-08-22 14:10:02 +03:00
Lior Halphon
289853445f Fix long loading times when loading save states with bad local RTC times 2020-08-04 21:32:33 +03:00
Lior Halphon
a9023d08c6 Emulate HuC-3’s IR and RTC 2020-05-16 23:27:17 +03:00
Lior Halphon
3cba3e8e27 Emulate CGB-C PCM read glitch, fix a potential noise volume envelope bug 2020-05-10 00:37:52 +03:00
Lior Halphon
5a14eb93c6 Merge branch 'master' into JoyKit
# Conflicts:
#	Cocoa/Document.m
#	Cocoa/GBView.h
#	Cocoa/GBView.m
#	Cocoa/joypad.m
#	Cocoa/main.m
#	Core/display.c
#	Core/gb.h
#	Core/save_state.c
2020-04-29 15:52:03 +03:00
Lior Halphon
bb5c9f7fc6 Fix libretro build 2020-04-25 15:12:10 +03:00
Lior Halphon
0cf168f32b Fixing inconsistent style 2020-04-24 20:37:57 +03:00
Lior Halphon
bec09a012c More accurate emulation of STOP mode 2020-02-15 19:21:43 +02:00
Lior Halphon
0ece21bca7 Replace the SDL-derived controller support with my own JoyKit framework. Adds rumble support, LED support, better manual and automatic configurations, analog speed controls. 2019-10-19 19:26:04 +03:00
Lior Halphon
eaa1c1cd4a Merge bsnes’s changes 2019-08-16 17:38:43 +03:00
Lior Halphon
91b0e491c5 Increase the minimum required cycles for a sync, fix SGB jingle audio 2019-06-19 22:44:54 +03:00
Lior Halphon
e268efefef Redesign and reimplement the audio API, let the frontends handle more stuff. Probably affects #161 2019-06-15 23:22:27 +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
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
ba5c07bed9 Correctly emulate speed switch timing 2019-01-13 01:09:41 +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
dbc338a887 Compensate for prefetch in DIV’s initial value 2018-09-15 00:47:26 +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
be9df4d658 Added mechanism to handle MMIO read/write conflicts. Fixes #65 2018-04-14 17:57:00 +03:00
Lior Halphon
0d0d9ccdae Fixed a timer regression, fixes timer_if in DMG mode. Relates to #54 2018-03-31 15:52:31 +03:00
Lior Halphon
c7ca786e77 Attempt to fix building using MINGW. Affects #55 2018-03-29 21:27:19 +03:00
Lior Halphon
4cf78139a8 Fixed a bug where SameBoy freezes for a while after leaving turbo mode 2018-03-27 23:33:31 +03:00
Lior Halphon
c11af7ea26 Fix CGB timings 2018-03-23 12:58:51 +03:00
Lior Halphon
544ca2be4c Changing the timings of memory writes so they’re not effectively one T-cycle late. This screws up APU’s cycle accuracy for now. 2018-03-05 21:17:37 +02:00
Lior Halphon
ef670986c6 Rewrote PPU (currently only emulates DMG correctly) to use the new timing mechanism. Removed “future interrupts” (No longer required because SameBoy is now T-cycle based) 2018-02-25 00:48:45 +02:00
Lior Halphon
42ab746a66 Starting to remove the delayed interrupts hack – done for timer interrupt, broken for display interrupts 2018-02-23 15:33:44 +02:00