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Published 20 hours ago • verified publisher icon SmokeMonsterPacks

Zelda 1 FDS broken (tested on newest OFW 1.2)

Open Peredonov opened this issue 4 years ago • 6 comments

Tested on RAM Adapter + FDSStick that tests and performs OK on real Famicom.

After loading game and copyright screen, title screen appears graphically garbled in varying ways, such as this one:

https://media.discordapp.net/attachments/446407171471835136/813518219573723136/IMG_7682.JPG

Changing cartridge IO to 3.6 leads to a black screen after the copyright screen.

At this time I have no tested other FDS games for similar issues.

Peredonov avatar Feb 22 '21 23:02 Peredonov

Whatever is breaking this also screws up Genesis core games in the JB6.6, such as Sonic & Knuckles, Sonic 3, Streets of Rage 2 & and more. It also throws glitches and errors in a few SMS games too.

ZReport avatar Feb 25 '21 05:02 ZReport

Whatever is breaking this also screws up Genesis core games in the JB6.6, such as Sonic & Knuckles, Sonic 3, Streets of Rage 2 & and more. It also throws glitches and errors in a few SMS games too.

Can you create a separate ticket for that issue?

tjanas avatar Feb 25 '21 07:02 tjanas

Per @GreatHierophant on Classic Gaming discord:

FDS games appear to be glitchy on the new firmware, whether you run them on an FDS, an N8 or an N8 Pro (if you can).

tjanas avatar Feb 26 '21 18:02 tjanas

It appears that turning on dejitter allows this game to run properly, and it also lets the FDS RAM adapter pass the self test. We can assume kevtris had dejitter enabled during testing.

I suppose this issue should stay open however, as I do not know if dejitter can have its own disadvantages.

edit: GreatHierophant has informed me that dejitter adversely affects composite output.

Peredonov avatar Mar 07 '21 16:03 Peredonov

I agree it should stay open until it works correctly without dejitter enabled.

tjanas avatar Mar 07 '21 17:03 tjanas

I can confirm this issue with 2 different known working HVC-FMR-04 RAM adapters. I am testing using Metroid (Rev 2 & 3). Works and loads correctly with OFW 1.1 or JBFW 6.5, not with OFW 1.2 or JBFW 6.6. Using default settings, except cartridge audio turned on. Dejitter disabled.

EDIT: should mention I am using an FDS stick, No-Intro unheadered roms. Also can confirm that enabling dejitter fix on the latest JB seems to resolve the issue.

qcretro avatar Mar 10 '21 15:03 qcretro