ekeeke
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f9f16d7a55
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[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)
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2024-05-01 18:44:46 +02:00 |
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feos
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0c45a8a8ab
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use UNLIKELY() macro (#554)
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2024-04-20 20:16:54 +02:00 |
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ekeeke
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dbdb18eb50
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Merge branch 'master' of https://github.com/ekeeke/Genesis-Plus-GX
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2024-04-20 18:49:35 +02:00 |
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ekeeke
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dd619513a4
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[Core/CD] fixed CDD seeking start delay (fixes Radical Rex incorrect PRG-RAM & Word-RAM initialization, causing missing sprites during intro)
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2024-04-20 18:48:25 +02:00 |
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ekeeke
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351d052e84
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[Core/MD] fixed regression in some unlicensed games mapper emulation (introduced by 7316507339)
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2024-04-20 18:26:32 +02:00 |
|
Eugene Kulabuhov
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25a90c634d
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Fix SDL2 build on MacOS (#544)
* Fix SDL2 build on MacOS
* Fixing compilation error
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2024-03-24 08:11:17 +01:00 |
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ekeeke
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6972a5b0d6
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[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)
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2024-03-06 09:18:43 +01:00 |
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ekeeke
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8c72ba0d45
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[Core/VDP] improved DMA fill timing accuracy (again)
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2024-03-02 08:42:03 +01:00 |
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ekeeke
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5af254cd23
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[Core/VDP] reverted stupid DMA fill timing modification introduced in 9a0a1c2922 (fixes DMA fill regression)
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2024-03-02 08:12:00 +01:00 |
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ekeeke
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302fe82fcc
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[Core/MD] improved invalid SRAM header info detection (fixes crashes with some unlicensed hacks/translations)
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2024-02-27 01:47:21 +01:00 |
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ekeeke
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ed7988f8ca
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[Core/MD] added emulation of Z80 halt when accessing 68k bus during DMA from 68k bus
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2024-02-23 15:40:42 +01:00 |
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ekeeke
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9a0a1c2922
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[Core/VDP] improved accuracy of DMA to CRAM/VSRAM (verified on real hardware by Mask of Destiny) and DMA Fill timings
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2024-02-23 14:48:00 +01:00 |
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ekeeke
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5f2f0ce89f
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[Core/VDP] improved VINT timing accuracy in H32 mode (verified on real hardware by Nemesis)
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2024-02-23 14:08:57 +01:00 |
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ekeeke
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0ca78b897e
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|Core/VDP] fixed inverted H32 & H40 modes HBLANK flag timings
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2024-02-23 13:48:19 +01:00 |
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ekeeke
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4c4a762588
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[Core/MD] improved accuracy of 68k access to Z80 bus delays
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2024-02-23 11:23:13 +01:00 |
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ekeeke
|
c04a9426b7
|
[Core/VDP] reverted FIFO access timings hack when using invalid write code value
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2024-02-23 11:19:43 +01:00 |
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ekeeke
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49a289df89
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[Core/CD] fixed byte access to word-only registers (verified on real hardware, cf. Krikzz's mcd-verificator)
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2024-02-22 14:14:27 +01:00 |
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ekeeke
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f09c97336e
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[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 |
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ekeeke
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47761b9b8f
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[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)
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2024-02-21 19:50:08 +01:00 |
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ekeeke
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405c54555e
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[Core/CPU] improved 68k auto-vectored interrupts acknowledge cycle timing accuracy (fixes Pacman 2 - New Adventures crashes during Pac-Jr minigame levels transitions)
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2024-02-20 18:54:00 +01:00 |
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ekeeke
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6b1dfa1cef
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[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 |
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ekeeke
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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
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[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
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[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 |
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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
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[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 |
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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 |
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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
|
c3f02f9c90
|
Merge branch 'master' of https://github.com/ekeeke/Genesis-Plus-GX
# Conflicts:
# core/mem68k.c
|
2023-08-25 17:34:33 +02:00 |
|
ekeeke
|
5a3e18f71b
|
[Core/CD] improved Sub-CPU BUSREQ status accuracy
|
2023-08-25 17:29:09 +02:00 |
|