Cheat code compatibility on NO$PSX emulator?

Problems or feedback about the NO$PSX emulator by Martin Korth
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Swagducky
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Cheat code compatibility on NO$PSX emulator?

Post by Swagducky » January 18th, 2023, 11:10 pm

I got into NO$PSX emulator when i heard that it supports link cable emulation on single pc, but i found out that there are no option of adding cheat codes, for example: XPLODER, Gameshark, etc.

Is there a possiblility to add cheat codes for NO$PSX emulator in future updates?

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nocash
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Post by nocash » January 24th, 2023, 9:21 pm

Yes, I could implement something similar as "N$gba --> Utility --> Cheats". In no$gba, the cheat codes are stored in the NO$GBA.CHT file, in txt format, as so:

Code: Select all

;no$gba cheat codes library
;  :cart_header_title:[NTR-]cart_header_gamecode:codebreaker_checksum
;  [type [RAW] code [,code [,code]]] [;comment]
;types: CB,GS,V3 (GBA) or AR,CB (NDS)
;unencrypted codes MAY contain modifiers such like GG..ZZ,##,??, etc.
;---
:F-ZERO ADVAN:AFZE:0F9A
;F-Zero
CB 00000F9A 000A, 10000B54 0007 ;Enable Code (Must Be On)
CB 32008957 00FF ;Have All Vehicles
CB 33002B6A 0004 ;Infinite Lives
Is there already a similar database format for PSX games?

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For actually implementing the cheat codes. I have these descriptions...
http://problemkaputt.de/psxspx-cheat-de ... format.htm
http://problemkaputt.de/psxspx-cheat-de ... format.htm
but that's including a lot of question marks and unknowns.
Does somebody know more about that, like if comparision codes are signed or unsigned?

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Theoretically you could also run the original cheat software (from CDROM or Expansion ROM) in no$psx... but those programs are usually doing some unusual stuff that isn't emulated... some of the (older?) cheat program versions might be working though.

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