74 commits

Author	SHA1	Message	Date
kub	23cd73bc8f	sound, fix ym2612 ladder effect, add option	2021-11-19 21:01:50 +01:00
kub	8794ba5c8d	sound, add ym2612 channel clipping, ladder effect	2021-11-17 22:32:04 +01:00
kub	b0e445ef0c	sound, fix ym2612 arm assembly (ssg-eg)	2021-11-12 18:34:49 +01:00
kub	1510eeafd4	sound, fix buffer overrun	2021-11-06 21:01:46 +01:00
kub	027940e108	sound, remove hysteresis (lessens distortion, increases frequency limit)	2021-10-23 12:10:00 +02:00
kub	15caa286fc	sound, increase resolution for calculating psg sound	2021-10-02 21:31:51 +02:00
kub	86d6fb9a2f	sound, increase resolution for calculating psg sound	2021-10-02 09:34:13 +02:00
kub	6985cdd8a9	sound, fix minor clipping in psg audio	2021-09-28 21:10:02 +02:00
kub	fa0c5b4539	sound, fix psg audio (missed commit)	2021-09-25 08:38:45 +02:00
kub	af01b1b16f	sound, fix psg audio	2021-09-24 18:31:19 +02:00
kub	6651998e9f	sound, fix for ym2612 (sonic 1 intro and others)	2021-09-10 17:58:32 +02:00
kub	196e2929f7	sound, improve FM output on load/resume	2021-06-09 22:15:58 +02:00
kub	a5a230e0d8	sound, increase output level a bit	2021-06-03 22:06:03 +02:00
kub	b26071be31	sound, fix ym2612 output volume for keyon and level changes	2021-05-19 19:30:04 +02:00
kub	91ea9406e2	improvements for type issues	2021-04-22 23:31:36 +02:00
kub	37631374df	ui, revised menu and option handling, added sound filter settings	2021-03-05 22:11:39 +01:00
kub	15ca715228	core, groundwork for chd support ... still needs some scrutiny, and build integration is missing	2021-03-04 20:54:10 +01:00
kub	f821bb7011	core, structural cleanup, fixes and improvements for type issues #2	2021-01-01 12:44:02 +01:00
kub	15eed40550	core, fixes and improvements for type issues	2020-12-29 11:27:11 +01:00
kub	30969671e5	sound, improved and optimized reimplementation of libretro lowpass filter	2020-12-23 15:51:49 +01:00
kub	a20300bf1e	fixes for memory leaks and out of bounds memory access found by ASAN or gcc -flto	2020-12-12 14:57:56 +01:00
kub	61d76999d7	Merge from libretro/master:46902e0 for repo synchronization	2020-12-05 22:39:06 +01:00
hiroshica	a2f24bfa7b	adding ym2413 ... squashed commits: YM2413追加中 一通り実装したけどポートへの書き込み方が不明でまだ音が出ない 細かい修正（未テスト） resetで初期化されるのをなんとかしたい sound 初期化と終了を追加してみた SN76496を参考にYM2413のアップデート方法を変更してみた stereoフラグをアップデートサイズに変更 処理順番を整理したら音が出た stateセーブに対応してみた addition: Support for the Japanese Mark-III extended FM sound source unit	2020-07-28 22:04:32 +02:00
kub	6f7beab435	audio, fix sound issues in some intros	2020-07-16 19:29:49 +02:00
kub	70aecd15b0	audio: SN76496 fixes	2020-04-24 19:08:49 +02:00
kub	324bd6852e	audio: add option to switch off SSG-EG	2020-04-22 21:49:48 +02:00
kub	1dbda5f894	audio: fixes and optimizations for SSG-EG	2020-04-22 21:49:48 +02:00
kub	09b96f9940	audio: improve cycle accuracy of SN76496+YM2612	2020-04-22 21:49:48 +02:00
kub	c918379137	ym2612 ARM optimisations	2020-04-07 22:07:38 +02:00
kub	e8204ab27b	ym2612 ARM, bug fixing and small optimizations	2020-04-02 20:33:56 +02:00
kub	84e18560bb	fix for gp2x audio regression	2020-03-30 23:54:11 +02:00
kub	7aab476859	audio fixes for overdrive demo	2020-01-26 20:12:18 +01:00
kub	43e1401008	emulator timing fixes, VDP DMA fixes, improved DAC audio	2020-01-14 23:00:44 +01:00
kub	b9bc876c9c	bug fixes in drc, audio, display	2020-01-14 22:49:03 +01:00
kub	8ac9ab7fcb	audio: added SSG-EG to YM2612, plus some timing changes for SN76496+YM2612	2020-01-08 00:49:13 +01:00
kub	2a942f0d41	add DC filter to sound mixer to remove potential PCM DC offset	2019-12-31 13:58:58 +01:00
kub	9090dc0f22	sh2 drc: updates from mame for ym2612 sound	2019-12-21 22:54:40 +01:00
kub	9760505eaf	remove textrels with -fPIC/-fPIE (for android/ios)	2019-12-03 23:52:13 +01:00
kub	f5939109c4	sh2 drc host disassembler integration for gp2x	2019-07-30 16:34:40 +02:00
kub	c79d0bb90f	fix gp2x compilation (using linaro arm gcc 4.7 on ubuntu)	2019-07-30 16:34:40 +02:00
notaz	48c9e01be8	improve 64bit portability ... for win64 mostly	2018-01-06 21:29:59 +02:00
notaz	6311a3baf5	move more globals to PicoInterface ... similar reasons as before	2017-10-22 02:13:46 +03:00
notaz	075672bf9f	sms: do psg like md does	2017-10-22 02:13:36 +03:00
notaz	93f9619ed8	rearrange globals ... scripted find/replace gives slightly better code on ARM, less unnecessary asm, ~400 bytes saved	2017-10-20 12:21:09 +03:00
notaz	e42a47e208	some more risky timing changes ... But should be closer to the real thing. Let's see what this will break...	2017-10-12 02:54:41 +03:00
notaz	5d638db094	handle frequent psg updates	2017-10-07 01:36:59 +03:00
notaz	5103774f6d	sn76496: simplify writes	2017-10-07 01:36:59 +03:00
notaz	4f2cdbf551	clean up dac code a bit	2017-10-07 01:36:59 +03:00
notaz	151df6adf9	simple ym2612 fixes	2017-10-07 01:36:59 +03:00
notaz	6d28fb5023	fix ym2612 asm, rework EG ... this should be split, but I'm lazy EG saves ~900 bytes	2017-10-07 01:36:59 +03:00