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JP Legend Of Mana

Open L10N37 opened this issue 2 years ago • 6 comments

JP Legend of Mana is anti mod flagged.

L10N37 avatar Jul 17 '22 02:07 L10N37

Hmm, I've had a play around, but there's not a ton I can do about this... Disc swap, mod chip and mecha unlock all trigger protection.

Are patches avaialble?

JonathanDotCel avatar Sep 10 '22 15:09 JonathanDotCel

I'm more interested in how It works as I can't read Japanese :P

I am keen to see if Xstation / PSNEE trip it but I am not set up with either ATM (moving house).

Basically (for me anyway) just a curiosity as I have a modchip I've got several revisions of.

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From: JonathanDotCel @.> Sent: Sunday, September 11, 2022 1:53:13 AM To: JonathanDotCel/unirom8_bootdisc_and_firmware_for_ps1 @.> Cc: VajskiDs @.>; Author @.> Subject: Re: [JonathanDotCel/unirom8_bootdisc_and_firmware_for_ps1] JP Legend Of Mana (Issue #14)

Hmm, I've had a play around, but there's not a ton I can do about this... Disc swap, mod chip and mecha unlock all trigger protection.

Are patches avaialble?

— Reply to this email directly, view it on GitHubhttps://github.com/JonathanDotCel/unirom8_bootdisc_and_firmware_for_ps1/issues/14#issuecomment-1242757854, or unsubscribehttps://github.com/notifications/unsubscribe-auth/AUYALNDVOCV3MUFYJHNSNELV5SVGTANCNFSM53ZAAIPQ. You are receiving this because you authored the thread.Message ID: @.***>

L10N37 avatar Sep 11 '22 02:09 L10N37

The game works fine with Unirom + xStation. I couldn't test Unirom + CD-R, but it is generally a normal modchip protected title. It does the manual check for one, as do many other games.

ramapcsx2 avatar Sep 11 '22 04:09 ramapcsx2

There's definitely something different about the check on this particular title. The laser isn't positioned down towards the smallest circumference on the disc when it gets flagged either. I can get past it sometimes on a PU23 but not a PU22 with no changes to how the chip works.

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From: Robert Neumann @.> Sent: Sunday, September 11, 2022 2:28:23 PM To: JonathanDotCel/unirom8_bootdisc_and_firmware_for_ps1 @.> Cc: VajskiDs @.>; Author @.> Subject: Re: [JonathanDotCel/unirom8_bootdisc_and_firmware_for_ps1] JP Legend Of Mana (Issue #14)

The game works fine with Unirom + xStation. I couldn't test Unirom + CD-R, but it is generally a normal modchip protected title. It does the manual check for one, as do many other games.

— Reply to this email directly, view it on GitHubhttps://github.com/JonathanDotCel/unirom8_bootdisc_and_firmware_for_ps1/issues/14#issuecomment-1242883532, or unsubscribehttps://github.com/notifications/unsubscribe-auth/AUYALND6HB4EWV2IG2P6PQDV5VNWPANCNFSM53ZAAIPQ. You are receiving this because you authored the thread.Message ID: @.***>

L10N37 avatar Sep 11 '22 08:09 L10N37

The game first calls ReadToc, which is the common check that the shell also does. The laser gets placed to the lead-in area and symbols arrive. Then the game does the extra check that is common to modchip protected titles: It seeks out towards somewhere in the middle of the disk, and listens for symbols again. If they arrive, a modchip got detected.

ramapcsx2 avatar Sep 11 '22 15:09 ramapcsx2

ahh so it's just the timing of the checks that differs greatly to other titles with similar checks

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From: Robert Neumann @.> Sent: Monday, September 12, 2022 1:29:47 AM To: JonathanDotCel/unirom8_bootdisc_and_firmware_for_ps1 @.> Cc: VajskiDs @.>; Author @.> Subject: Re: [JonathanDotCel/unirom8_bootdisc_and_firmware_for_ps1] JP Legend Of Mana (Issue #14)

The game first calls ReadToc, which is the common check that the shell also does. The laser gets placed to the lead-in area and symbols arrive. Then the game does the extra check that is common to modchip protected titles: It seeks out towards somewhere in the middle of the disk, and listens for symbols again. If they arrive, a modchip got detected.

— Reply to this email directly, view it on GitHubhttps://github.com/JonathanDotCel/unirom8_bootdisc_and_firmware_for_ps1/issues/14#issuecomment-1242988598, or unsubscribehttps://github.com/notifications/unsubscribe-auth/AUYALNEVAA4QFCFTJZ6ZPITV5X3GXANCNFSM53ZAAIPQ. You are receiving this because you authored the thread.Message ID: @.***>

L10N37 avatar Sep 12 '22 00:09 L10N37