Cheats with patched ROMs?

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clarkkent
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Cheats with patched ROMs?

Unread post by clarkkent »

For fluid gameplay I patched the Gradius III ROM.
https://github-com.translate.goog/Vitor ... _tr_pto=sc

Without the patch cheats are available but as soon as patched the cheat menu is not available anymore.

Is there any way to enable the cheat menu forthe patched ROMs again?
KnC
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Re: Cheats with patched ROMs?

Unread post by KnC »

the only way i could think of is to make a copy of the orig cheat zip and rename the copy the same as the patched rom name
12characters
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Re: Cheats with patched ROMs?

Unread post by 12characters »

clarkkent wrote: Sun Dec 26, 2021 12:56 pm Is there any way to enable the cheat menu forthe patched ROMs again?
To get back the cheat menu, it is sufficient to rename either the ROM or the ZIP file with the cheats so that the names match. However, the cheats will most likely not work since these SA hacks change the binary code quite a lot.
MostroW
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Re: Cheats with patched ROMs?

Unread post by MostroW »

if it's the SA-1 treated rom it might very well be that memory locations to store values have changed and the cheats need to be recreated?
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clarkkent
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Re: Cheats with patched ROMs?

Unread post by clarkkent »

Renaming the patched ROM does not enable the cheat menu again.
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xFlesk
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Re: Cheats with patched ROMs?

Unread post by xFlesk »

cheats wont show up because the crc-32 hash sum not match with patched rom.
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clarkkent
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Re: Cheats with patched ROMs?

Unread post by clarkkent »

I suspected this. Is there any way to add the patched games to the cheats menu in the next version (only a few anyway)? Or is there any other solution? Gradius III is too hard for me, need at least unlimited lifes…
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jlancaster86
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Re: Cheats with patched ROMs?

Unread post by jlancaster86 »

clarkkent wrote: Sun Dec 26, 2021 5:37 pm I suspected this. Is there any way to add the patched games to the cheats menu in the next version (only a few anyway)? Or is there any other solution? Gradius III is too hard for me, need at least unlimited lifes…
Did you try changing the checksum in the name of the zip file in the "cheats" folder?
RalphJB
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Re: Cheats with patched ROMs?

Unread post by RalphJB »

So the way I got my cheats to work with patched roms is to copy the cheat file to my PC and delete it from the SD card. Then I rename the cheat file to match the rom name and add it back in to the SD card. That always gets it to come up. That said, some of the cheats may not work due to patches changing the original rom a bit. That said, most cheats should still work, if not all.
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