Commit Graph

17 Commits

Author SHA1 Message Date
Flyinghead 96aac66133 naomi: improve performance of M1 and M4 carts dma
Limit buffer size to 1 or 2 KB instead of 32 KB.
Only decrypt right before dma transfer.
Fixes frame drops and audio underruns in vf4evoct attract mode.
Issue #1717
2024-11-02 18:46:49 +01:00
Flyinghead d7c168f406 naomi: copy cart dma data in chunks
Copy cart dma data in 1K chunks to avoid transferring all in one shot.
Fixes Soul Surfer and Beach Spiker audio glitches when playing a sample
before it's completely transferred.
Issue #1513
2024-10-08 17:03:00 +02:00
Flyinghead 403f1f635b systemsp: load rom boot id from compact flash volume
Open and decrypt 1STREAD.BIN then the image file to extract the rom boot
id.
Fix boot id for non-encrypted roms (bingogals)
Reset naomi default eeprom when forcing different region and before
reloading the bios.
2023-09-20 17:22:28 +02:00
Flyinghead 5eb893a995 Sega SystemSP support
add naomi roms: anpanman2, anpanman2a, drbyocwt and clubkpzbp
2023-07-01 16:24:51 +02:00
Flyinghead 610e3cf968 naomi: avoid crash with M4 carts if M4 key is missing
Fix shorsepr crash at boot
Fixes MINIDUMP-5Z
2023-01-27 13:03:52 +01:00
Flyinghead ecc03e3ebc naomi: use boot rom id to configure eeprom
Make eeprom from scratch if it doesn't exist based on boot id info.
Override eeprom settings to make game happy
Change region to supported one
Get rid of per-rom region info in rom list
New option to configure Naomi games in free play
2022-02-18 17:35:20 +01:00
Flyinghead 8f80bcb159 New serialize framework. Delay maple dma xfer
New serialize framework. Refactor serialization into modules.
Maple dma xfer must not be executed immediately. Delay until interrupt
is raised.
Fixes Geist Force freeze at start.
2021-11-13 15:56:42 +01:00
scribam 9c8082fb16 delete unnecessary null pointer check 2021-03-28 11:10:46 +02:00
scribam 913fbef952 clang-tidy: run readability-inconsistent-declaration-parameter-name and improve parameter names 2021-03-15 19:52:54 +01:00
Flyinghead 276b59b24e fix compile warnings. non-functional changes 2020-11-25 10:17:08 +01:00
scribam e99aac3575 Remove "using namespace std;" 2020-03-30 23:00:43 +02:00
scribam 9a420b0093 Remove macros EMUERROR 2020-03-30 22:18:44 +02:00
Flyinghead d41e405a50 Naomi: non-encrypted M4 carts fix (sl2007) 2018-12-13 13:06:01 +01:00
Flyinghead e93260634d Naomi: save cart state into save state 2018-11-06 17:54:54 +01:00
Flyinghead eff998dc53 Naomi: Decrypt M4 roms header to get game id. Refactoring and clean up 2018-11-06 14:30:34 +01:00
Flyinghead 7fde9fe35c Naomi: finalize M4 carts support 2018-11-06 12:40:15 +01:00
Flyinghead c95d13fdf1 Naomi: M1/M2/M4 missing files 2018-11-05 22:54:35 +01:00