Commit Graph

349 Commits

Author SHA1 Message Date
ekeeke
ea8d299123 [Core/CD] improved GFX processing accuracy to halt it while Word RAM is allocated to Main CPU in 2M mode 2022-10-09 10:13:24 +02:00
ekeeke
dded47d5e7 [Core/VDP] added support for background color changes during HBLANK when display is disabled (fixes #462) 2022-09-19 14:11:16 +02:00
ekeeke
2d28c67316 [Core/VDP] added missing credits for enhanced 2-cell vscroll rendering mode 2022-09-19 14:03:44 +02:00
ekeeke
b7a9a27fb0 [Core/MD] reverted previous incorrect change in MegaSD ROM write mapper 2022-08-31 18:19:18 +02:00
ekeeke
f5f192fc0a Merge branch 'master' of https://github.com/ekeeke/Genesis-Plus-GX 2022-08-31 18:02:11 +02:00
ekeeke
eef172acf3 [Core/MD] reduced savestate size when both Mega CD and MegaSD hardware are detected (fixes savestates with MSU-MD games that have "SEGA MEGASD" in ROM header) 2022-08-31 18:01:39 +02:00
Kiri
e5f77f14b9
Enchanced per-tile vertical scroll (#453)
* Enchanced per-tile vertical scroll implementation

* Comment cleanup
2022-08-13 08:11:41 +02:00
ekeeke
47d20265c9 [Core/Sound] fixed MAME YM2413 core operator output when EG is off (fixes issue #448) 2022-08-07 10:13:10 +02:00
ekeeke
4ecd33f4cd [Core/CD] fixed 32x32 pixels stamp index masking during GFX operation (fixes #436) 2022-05-31 01:52:17 +02:00
ekeeke
e366ca817f [Core/CD] added setting to enable/disable CD access time simulation 2022-05-01 15:47:18 +02:00
ekeeke
f43a4a7312 [Core/MS] added support for new Korean xx-in-1 mapper (128 Hap, Game Mo-eumjip 188 Hap) 2022-04-24 19:18:30 +02:00
ekeeke
7d4ae7da0c [Core/CD] fixed byte access address range to Font Data registers 2022-02-26 10:26:12 +01:00
ekeeke
7fe8d95ca1 [Core/CD] fixed Boot ROM level 4 interrupt vector upper word value 2022-02-25 16:45:39 +01:00
ekeeke
ee5b917c32 [Core/CD] disabled Boot ROM loading automatic detection when Mode 1 is enabled 2022-02-25 16:42:58 +01:00
ekeeke
58accf0689 [Core/CD] fixed Memory Mode, Timer and Font Color registers byte access at even address (verified on real hardware, cf. Krikzz's mcd-verificator) 2022-02-25 15:29:18 +01:00
ekeeke
4a899e8262 [Core/Sound] fixed edge case in MAME YM2413 core when Key-Off occurs with envelope already off 2022-02-13 23:16:44 +01:00
ekeeke
47dc5e1b61 [Core/Sound] fixed Nuked YM2413 core attack phase rates 11.1 to 11.3 (cf. https://github.com/nukeykt/Nuked-OPLL/issues/6) 2022-02-06 19:36:20 +01:00
ekeeke
e4c53348d9 [Core/Sound] fixed overflow bug in MAME YM2413 core when using attack rate 14.3 (introduced in previous commit) 2022-02-06 19:00:15 +01:00
ekeeke
236e783ec2 [Core/MS] fixed disabled slot returned value 2021-10-24 14:34:28 +02:00
ekeeke
068769a02e [Core/CD] added missing SUB-CPU address error exception configuration 2021-10-09 19:03:45 +02:00
ekeeke
c6d1e5ac38 [Core/CD] added optional (platform-specific) SUB-CPU address error exceptions emulation (currently activated for libretro & SDL Windows ports only) 2021-10-09 18:53:59 +02:00
ekeeke
9254c331d2 [Core/CD] added configurable CD-DA and PCM outputs mixing volume 2021-10-07 23:20:31 +02:00
ekeeke
8be7c0269b [Core/Misc] MSVC compatibility fixes (backported from libretro repository) 2021-10-05 19:40:08 +02:00
ekeeke
485358ed09 [Core/MS] added GG-MS games incompatible with EU/US Master System BIOS to internal game database 2021-10-04 23:42:36 +02:00
ekeeke
b82b02bae7 [Core/MS] added Street Battle (Proto) to Korean mappers database 2021-10-03 15:32:39 +02:00
ekeeke
c1b248c8a7 [Core/MD] added conditional support for libchdr before trying to load CHD file 2021-10-01 10:10:33 +02:00
ekeeke
83a225cd32 [Core/MD] added detection of CHD image files when loading MSU-MD (CD Mode 1) or MD+ (MegaSD) ROM files 2021-10-01 09:55:06 +02:00
ekeeke
3cf83e7557 [Core/MD] improved MD+ audio track loopback transitions 2021-09-28 20:26:13 +02:00
ekeeke
9863375a5a [Core/MD] fixed MegaSD edge case when another 'pause' command is sent while fade out is still in progress 2021-09-18 15:23:22 +02:00
ekeeke
e17a5248b1 [Core/MD] added automatic PAL region setting for Wiz'n'Liz European ROM dump 2021-09-17 10:12:03 +02:00
ekeeke
0c63be93f7 [Core/CD] fixed track index when decoding CUE file MegaSD specific loop commands 2021-09-17 10:08:40 +02:00
ekeeke
42b8cc665c [Core/MD] fixed MegaSD edge case occurring when 'play' command is sent while previous track fade out is still in progress 2021-09-15 18:37:34 +02:00
ekeeke
7ca2deffa6 [Core/MD] added missing files for MegaSD support 2021-09-13 19:39:32 +02:00
ekeeke
dfe3672878 [Core/MD] added support for MegaSD CD hardware overlay (MD+ hacks) and extended SSF2 / ROM write mappers 2021-09-13 19:32:52 +02:00
ekeeke
e87891fcca [Core/CD] improved CD audio savestate and CD file seeking (in preparation for MegaSD support) 2021-09-09 00:54:45 +02:00
ekeeke
35ed78cc71 [Core/Misc] fixed ROM loading from memory
This properly addresses the loading issue in Retroarch with compressed files reported by https://github.com/libretro/Genesis-Plus-GX/pull/249
2021-08-31 09:50:38 +02:00
ekeeke
1e5c2c0ef3 Revert "[Core/Misc] removed unnecessary file loading check"
This reverts commit cc8a6725a7.
2021-08-31 09:49:29 +02:00
Sanaki
e389f577c9
Add Power Strike II to internal database as 50Hz game 2021-08-21 16:08:16 -07:00
ekeeke
298676294a [Core/MD] fixed Game Genie / (Pro) Action Replay lock-on support with ROM larger than 8MB 2021-08-09 16:05:24 +02:00
ekeeke
e6ab7563e7 [Core/MD] added SRAM support for games larger than 8MB 2021-08-08 16:48:49 +02:00
ekeeke
cc8a6725a7
[Core/Misc] removed unnecessary file loading check 2021-06-10 16:41:12 +02:00
ekeeke
1e0d2dad8f [Core/Sound] improved MAME YM2413 core EG attack phase algorithm accuracy (verified on YM2413 real hardware, cf. https://www.smspower.org/Development/YM2413ReverseEngineeringNotes2017-01-26) and EG increment table consistency 2021-05-12 19:07:12 +02:00
ekeeke
346935fdda [Core/Sound] fixed MAME YM2612 core potential issue with SSG-EG inverted attenuation level on Key OFF 2021-05-11 00:42:27 +02:00
ekeeke
6d10dd30ff [Core/Sound] updated nuked ym2612/ym3438 core to version 1.0.10 (fixes sound issues in Stormlord) 2021-05-10 23:44:57 +02:00
ekeeke
8acd9def6d [Core/Sound] improved MAME YM2413 EG transitions accuracy (verified against https://github.com/nukeykt/Nuked-OPLL/blob/master/opll.c) 2021-05-09 09:52:44 +02:00
ekeeke
536ff47457 [Core/Sound] fixed MAME YM2413 core EG updates being 2x faster after EG resolution change and improved EG increment steps accuracy (verified on YM2413 real hardware, cf. https://www.smspower.org/Development/YM2413ReverseEngineeringNotes2015-03-20) 2021-05-07 12:58:02 +02:00
ekeeke
4950d2f042 [Core/Sound] improved MAME YM2413 core EG sustain phase transition comparator accuracy (verified on YM2413 real hardware, cf. https://www.smspower.org/Development/YM2413ReverseEngineeringNotes2015-12-31) 2021-04-24 11:08:49 +02:00
ekeeke
1a1c2a1e63 [Core/Sound] fixed MAME YM2413 core EG behavior when SL = 0 (verified on YM2413 real hardware, cf. https://www.smspower.org/Development/YM2413ReverseEngineeringNotes2015-12-24) 2021-04-24 10:47:25 +02:00
ekeeke
ca484e9c56 [Core/Sound] fixed MAME YM2413 core EG behavior for fastest attack rates (verified on YM2413 real hardware, cf. https://www.smspower.org/Development/YM2413ReverseEngineeringNotes2017-01-26) 2021-04-24 10:27:59 +02:00
ekeeke
4feeb7d02e [Core/Sound] fixed MAME YM2413 core EG "dump" rate (verified on YM2413 real hardware, cf. https://www.smspower.org/Development/YM2413ReverseEngineeringNotes2015-12-31) 2021-04-23 16:21:04 +02:00