ekeeke
a6002bb254
[Core/CD] improved robustness of CDD seeking delay emulation (fixes Krikzz's mcd-verificator CDC INIT endless loop following dd619513a4)
2024-09-01 14:39:09 +02:00
ekeeke
7717557cb8
[Core/CDD] fixed compilation error introduced in 3b95fdf328
2024-09-01 14:20:52 +02:00
ekeeke
d178c7bbe1
[Core/CD] updated HISTORY.txt
2024-09-01 12:00:40 +02:00
ekeeke
69b36abfa0
Merge branch 'master' of https://github.com/ekeeke/Genesis-Plus-GX
2024-09-01 11:37:31 +02:00
ekeeke
3b95fdf328
[Core/CD] improved GFX processing robustness in case of word-RAM address overflow (fixes potential emulator crash in Flink level 20)
2024-09-01 11:36:32 +02:00
techmetx11
15bb7aca8f
Add support for Shi San Zhang Ma Jiang: Zhong Guo Mei Nv Pian copy protection ( #570 )
...
* Add support for Shi San Zhang Ma Jiang: Zhong Guo Mei Nv Pian copy protection
* Move the entry closer to the Taiwanese unlicensed games that have the same mapper, and use the most similar set of values/address to the other games with the same mapper
2024-08-10 20:44:21 +02:00
ds22x
2fd1885175
Add Force VDP Mode option & update option description ( #565 )
2024-07-20 16:12:24 +02:00
ekeeke
f9f16d7a55
[Core/MD] added emulation of 68k delay during Z80 acccess to 68k bus (fixes graphical glitch on Rick Dangerous II title screen introduced after adding emulation of 68k bus refresh delays)
2024-05-01 18:44:46 +02:00
feos
0c45a8a8ab
use UNLIKELY() macro ( #554 )
2024-04-20 20:16:54 +02:00
ekeeke
dbdb18eb50
Merge branch 'master' of https://github.com/ekeeke/Genesis-Plus-GX
2024-04-20 18:49:35 +02:00
ekeeke
dd619513a4
[Core/CD] fixed CDD seeking start delay (fixes Radical Rex incorrect PRG-RAM & Word-RAM initialization, causing missing sprites during intro)
2024-04-20 18:48:25 +02:00
ekeeke
351d052e84
[Core/MD] fixed regression in some unlicensed games mapper emulation (introduced by 7316507339)
2024-04-20 18:26:32 +02:00
Eugene Kulabuhov
25a90c634d
Fix SDL2 build on MacOS ( #544 )
...
* Fix SDL2 build on MacOS
* Fixing compilation error
2024-03-24 08:11:17 +01:00
ekeeke
6972a5b0d6
[Core/VDP] improved FIFO emulation (fixes lockup in Shin Souseiki Ragnacenty (Japan) and other potential lockup when switching between H32 & H40 mode during active display)
2024-03-06 09:18:43 +01:00
ekeeke
8c72ba0d45
[Core/VDP] improved DMA fill timing accuracy (again)
2024-03-02 08:42:03 +01:00
ekeeke
5af254cd23
[Core/VDP] reverted stupid DMA fill timing modification introduced in 9a0a1c2922 (fixes DMA fill regression)
2024-03-02 08:12:00 +01:00
ekeeke
302fe82fcc
[Core/MD] improved invalid SRAM header info detection (fixes crashes with some unlicensed hacks/translations)
2024-02-27 01:47:21 +01:00
ekeeke
ed7988f8ca
[Core/MD] added emulation of Z80 halt when accessing 68k bus during DMA from 68k bus
2024-02-23 15:40:42 +01:00
ekeeke
9a0a1c2922
[Core/VDP] improved accuracy of DMA to CRAM/VSRAM (verified on real hardware by Mask of Destiny) and DMA Fill timings
2024-02-23 14:48:00 +01:00
ekeeke
5f2f0ce89f
[Core/VDP] improved VINT timing accuracy in H32 mode (verified on real hardware by Nemesis)
2024-02-23 14:08:57 +01:00
ekeeke
0ca78b897e
|Core/VDP] fixed inverted H32 & H40 modes HBLANK flag timings
2024-02-23 13:48:19 +01:00
ekeeke
4c4a762588
[Core/MD] improved accuracy of 68k access to Z80 bus delays
2024-02-23 11:23:13 +01:00
ekeeke
c04a9426b7
[Core/VDP] reverted FIFO access timings hack when using invalid write code value
2024-02-23 11:19:43 +01:00
ekeeke
49a289df89
[Core/CD] fixed byte access to word-only registers (verified on real hardware, cf. Krikzz's mcd-verificator)
2024-02-22 14:14:27 +01:00
ekeeke
f09c97336e
[Core/CD] added clear of CDC decoder interrupt pending flag when decoding is disabled (verified on real hardware, cf. Krikzz's mcd-verificator)
2024-02-21 20:25:04 +01:00
ekeeke
47761b9b8f
[Core/MD] added basic emulation of 68k bus access refresh delays (fixes Super Airwolf graphical glitch during intro & some Krikzz's mcd-verificator timing tests)
2024-02-21 19:50:08 +01:00
ekeeke
405c54555e
[Core/CPU] improved 68k auto-vectored interrupts acknowledge cycle timing accuracy (fixes Pacman 2 - New Adventures crashes during Pac-Jr minigame levels transitions)
2024-02-20 18:54:00 +01:00
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
b35a602bb3
Merge branch 'master' of https://github.com/ekeeke/Genesis-Plus-GX
2024-01-16 14:00:43 +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
ds22x
611c960d6d
Fix nonstandard default for CD add-on (MD mode) ( #536 )
2024-01-09 08:36:43 +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
