RaySollium99/picodrive
1
0
Fork 0
mirror of https://github.com/RaySollium99/picodrive.git synced 2025-09-05 07:17:45 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

Add hack for unlicensed games that don't handle the Z80 bus properly

Browse source
This commit is contained in:
techmetx11 2023-08-21 16:21:25 +01:00
parent bccd8832dd
commit a67db32a4a
No known key found for this signature in database
GPG key ID: 20E0C88A0E7E5AF2
5 changed files with 39 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

26
pico/carthw.cfg
View file

@ -4,10 +4,11 @@
# prot - simple copy protection devices in unlicensed cartridges (see prot. below)
#
# cartridge properties (prop = ...):
# no_sram - don't emulate sram/EEPROM even if ROM headers tell it's there
# no_eeprom - save storage is not EEPROM, even if ROM headers tell it is
# filled_sram - save storage needs to be initialized with FFh instead of 00h
# force_6btn - game only supports 6 button pad (32X X-men proto)
# no_sram - don't emulate sram/EEPROM even if ROM headers tell it's there
# no_eeprom - save storage is not EEPROM, even if ROM headers tell it is
# filled_sram - save storage needs to be initialized with FFh instead of 00h
# force_6btn - game only supports 6 button pad (32X X-men proto)
# no_z80_bus_lock - don't emulate z80 bus getting closed to the 68k when bus is released
#
# mappers (hw = ...):
# ssf2_mapper - used in Super Street Fighter2
@ -526,3 +527,20 @@ check_crc32 = 0xee9fc429
hw = prot
prot_ro_value16 = 0x400000,-2,0x6300
# Unlicensed homebrew games made by V.M.V.
# to prevent bus conflicts between the audio drivers in 68k and Z80
[Ben 10 (Unl)]
check_str = 0x180, "GM 00000000-00"
check_crc32 = 0x6732aab4
prop = no_z80_bus_lock
[Mario 3: Vokrug Sveta (Unl)]
check_str = 0x180, "GM 00000000-00"
check_crc32 = 0xe302585a
prop = no_z80_bus_lock
[Mario 4: Kosmicheskaya Odisseya (Unl)]
check_csum = 8224
check_crc32 = 0x20ed0de8
prop = no_z80_bus_lock