ekeeke
6b1dfa1cef
[Core/CPU] improved 68k MOVEM instruction accuracy (implements extra read cycle from memory as verified on real hardware, cf https://gendev.spritesmind.net/forum/viewtopic.php?t=2010 )
2024-02-20 15:01:34 +01:00
ekeeke
771452f7a1
[Core/CD] improved SUB-CPU synchronization with graphics processing when polling end of graphics operation
2024-02-20 13:59:36 +01:00
ekeeke
30dfba4966
[Core/CD] fixed potential edge case with CDC DMA halting
2024-02-19 21:47:32 +01:00
ekeeke
3397941b60
[Core/CD] fixed regression in SUB-CPU synchronization with CDC DMA introduced by da8e4e547a (fixes freezes in Ultraverse Prime and probably other games)
2024-02-19 20:27:54 +01:00
ekeeke
e8a6086c89
[Core/CD] improved accuracy of CDC decoder processing (verified on real hardware, cf. Krikzz's mcd-verificator)
2024-02-06 00:37:42 +01:00
ekeeke
904613f51c
[Core/CD] added CDC decoder processing when disc is not playing (fixes MCD-verificator CDC Flags Test 0x30)
2024-02-06 00:27:25 +01:00
ekeeke
90c9c730f0
[Core/CD] improved accuracy of CDC interrupt processing (verified on real hardware, cf. Krikzz's mcd-verificator)
2024-02-05 23:53:57 +01:00
ekeeke
79bd0e7582
[Core/CD] improved Main-CPU & Sub-CPU idle loop detection (fixes cases where ADDQ instruction is used in tight counter incrementing loop)
2024-02-05 23:28:18 +01:00
ekeeke
64d3e08e7d
[Core/CD] improved accuracy of CDC data transfer to Main-CPU and Sub-CPU when writing to CDC data register (verified on real hardware, cf. Krikzz's mcd-verificator)
2024-01-22 01:02:42 +01:00
ekeeke
2c1a2d0def
[Core/CD] improved accuracy of CDC DMA to PRG-RAM write-protected area (verified on real hardware, cf. Krikzz's mcd-verificator)
2024-01-22 00:34:24 +01:00
ekeeke
da8e4e547a
[Core/CD] improved accuracy of CDC DMA processing (verified on real hardware, cf. Krikzz's mcd-verificator)
2024-01-22 00:22:52 +01:00
ekeeke
16589b558f
[Core/CD] improved accuracy of CDC transfer to Main-CPU (resp. Sub-CPU) when destination is set to Sub-CPU (resp. Main-CPU) (verified on real hardware, cf. Krikzz's mcd-verificator)
2024-01-19 00:01:02 +01:00
ekeeke
9f25226536
[Core/CD] improved emulation of Word-RAM access limitations in 2M mode (fixes regression in Mortal Kombat)
2024-01-16 14:00:21 +01:00
ekeeke
d4ca576c07
[Core/CD] fixed BOOT ROM level 4 interrupt vector upper word value (verified on real hardware, cf. Krikzz's mcd-verificator)
2023-11-26 17:48:55 +01:00
ekeeke
02c9dac337
[Core/CD] added CD hardware model auto-detection when BIOS is loaded as normal ROM file
2023-11-26 17:41:12 +01:00
ekeeke
52b4f78b82
[Core/CD] improved accuracy of CDC transfer to Main-CPU & Sub-CPU (verified on real hardware, cf. Krikzz's mcd-verificator)
2023-11-26 16:27:15 +01:00
ekeeke
fcb6620202
[Core/CD] added limited support for LC89513K extended registers (only when Wondermega M2, X'Eye, CDX or Multi-Mega BIOS is detected) and improved accuracy of Main-CPU & Sub-CPU access to CDC registers (fixes mcd-verificator CDC REGS tests)
2023-11-25 19:09:03 +01:00
ekeeke
b330eb85cf
[Core/CD] improved MAIN-CPU/SUB-CPU synchronization when reading CDC host data and CDC transfer status from MAIN-CPU (fixes MCD-verificator CDC INIT Test #4 and CDC DMA3 Test #2 )
2023-11-19 16:18:38 +01:00
ekeeke
6669d25948
[Core/CD] fixed memory mode register bits masking when read from MAIN-CPU and SUB-CPU (verified on real hardware, cf. Krikzz's mcd-verificator)
2023-11-19 16:02:33 +01:00
ekeeke
6cc8bbc277
[Core/CD] added emulation of Word-RAM access limitations in 2M mode (fixes graphical issues in Marko's Magic Football)
2023-11-18 19:38:33 +01:00
ekeeke
9b0b8d3afc
[Core/CD] minor optimization of Word-RAM switching in 1M mode
2023-11-18 18:01:01 +01:00
ekeeke
8169f02496
[Core/CD] MAIN-CPU/SUB-CPU synchronization code cleanup
2023-11-18 17:51:55 +01:00
ekeeke
6f0ac9a668
[Core/IO] improved Japanese Paddle emulation (fixes Paddle support on control port #2 )
2023-11-10 15:21:11 +01:00
ekeeke
a42843bf6c
[Core/Sound] updated Nuked OPN2 core to latest version (1.0.12)
2023-11-10 14:41:10 +01:00
ekeeke
8e02a430aa
[Core/CD] fixed CDC DMA to PCM RAM when transfer length is not word-aligned
2023-11-10 14:25:32 +01:00
ekeeke
a2931d161f
[Core/MS] added support for more Korean x-in-1 mappers (credits to Ben Sittler & Omar Cornut from smspower.org for mappers reverse-engineering and description)
2023-09-11 23:43:32 +02:00
ekeeke
5a3e18f71b
[Core/CD] improved Sub-CPU BUSREQ status accuracy
2023-08-25 17:29:09 +02:00
ekeeke
7316507339
[Core/MD] fixed another potential regression with savestate support for games using SRAM bankswitching
2023-07-25 00:02:44 +02:00
ekeeke
091b4124a8
[Core/MD] fixed Sonic The Hedgehog 3 lock-on support regression introduced in 4bb149ba0b
2023-07-24 23:14:20 +02:00
ekeeke
83ab969f29
[Core/MD] added "Demons of Asteborg" and "Astebros" in internal mapper database (fixes Steam versions which incorrectly use Everdrive extended SSF mapper indicator in ROM header)
2023-07-01 15:34:52 +02:00
ekeeke
4bb149ba0b
[Core/MD] fixed SRAM bankswitching for games also using ROM bankswitching (fixes Astebros)
2023-06-13 01:00:56 +02:00
ekeeke
95bde804a6
[Core/MD] fixed soft-reset in X-in-1 pirate games
2023-06-08 22:47:42 +02:00
Nicholas Hubbard
3bed408176
fix error in zstate comment ( #509 )
2023-06-04 17:44:14 +02:00
ekeeke
c4077c4f24
[Core/Misc] Fixed -Wmaybe-uninitialized warnings with GCC compiler
2023-05-20 19:44:57 +02:00
ekeeke
a7f42b438e
[Core/CD] increased minimal latency (fixes BIOS freeze when CD latency is disabled in emulator settings)
2023-05-09 00:54:56 +02:00
ekeeke
b5f1027c15
[Core/CD] fixed CDD position reset when disc is stopped (fixes random freezes in Spiderman vs Kingpin when switching between audio tracks)
2023-05-07 14:46:23 +02:00
ekeeke
1db51e2c5f
[Core/MS] simplified latest Korean x-in-1 mappers implementation
2023-04-07 09:06:42 +02:00
ekeeke
4a07f8a9f6
[Core/MS] added support for latest Korean x-in-1 mappers (credits to Ben Sittler and Omar Cornut at smspower.org for mappers reverse-engineering and description)
2023-04-06 01:00:40 +02:00
ekeeke
f0c8f83926
[Core/MD] improved Realtec mapper accuracy (verified on real cartridge hardware)
2023-03-20 00:26:37 +01:00
ekeeke
ef922735ff
[Core/MD] improved detection of Quackshot REV A original ROM dump (512KB)
2023-03-12 18:51:24 +01:00
ekeeke
1bf6f70986
[Core/MD] fixed Realtec mapper behavior on soft-reset and with TMSS hardware
2023-03-12 18:27:34 +01:00
ekeeke
cc60ba57bf
[libretro] fixed available system RAM size for SG-1000 games with extra on-board RAM
2023-03-11 14:23:31 +01:00
ekeeke
605a29d7bd
[Core/Input] improved XE-1AP controller emulation (verified on real hardware)
2023-02-05 18:08:05 +01:00
ekeeke
a2380d84e0
[Core/VDP] fixed address/code potential corruption by one-instruction execution delay after HV interrupts activation ( fixes #477 )
2023-01-13 14:00:27 +01:00
ekeeke
70cfbd909f
[Core/CPU]
...
- fixed 68k timings of BCHG, BCLR, BTST Dn,#Imm and Dn,Dm instructions when bit number is less than 16 (cf. Yacht.txt)
- fixed 68k timings of CHK, TRAP, TRAPV, LINEA and LINEF exceptions (cf. Yacht.txt)
2023-01-06 09:03:30 +01:00
ekeeke
350be7731c
[Core/Sound] disable PSG output on Mark III hardware when FM output is enabled (fixes issue #474 )
2022-12-18 14:49:34 +01:00
ekeeke
46652c7fd7
[Core/MD] fixed MegaSD audio sample counter still getting updated while audio playback is paused ( fixes #471 )
2022-11-28 01:11:13 +01:00
ekeeke
1925efe4d7
[Core/VDP] improved HBLANK flag timing accuracy ( fixes #470 )
2022-11-26 16:48:22 +01:00
ekeeke
1c972f5482
[Core/CD] improved GFX timing accuracy (fixes "Night Striker" crashing after completing a game)
2022-11-26 16:24:09 +01:00
ekeeke
6ec9ac2729
[Core/SG] added SG-1000 II hardware with 8KB RAM extension adapter in selectable hardware models ( fixes #437 )
2022-10-29 13:51:34 +02:00
