Dreamcast widescreen menu ?

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CabbageHead
shadow
Posts: 14

Dreamcast widescreen menu ?

Post#1 » Sun Apr 18, 2021 4:27 pm

I guess the title ist self explanatory, but is there a hack for the Dreamcast bios menu to be widescreen.
I think it would look rather nice to see on a HDTV with a dccdmi mod.

-Cheers

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fafadou
Gold Lion
Posts: 1650

Re: Dreamcast widescreen menu ?

Post#2 » Sun Apr 18, 2021 6:44 pm

There is a widescreen hex code made by @Esppiral.
But you have to patch your bios by yourself.
I don't know how to do that.

CabbageHead
shadow
Posts: 14

Re: Dreamcast widescreen menu ?

Post#3 » Mon Apr 19, 2021 8:26 am

Patching is not a problem.
Do you have a link ?

-Cheers

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megavolt85
Developer
Posts: 1782

Re: Dreamcast widescreen menu ?

Post#4 » Mon Apr 19, 2021 10:10 am

CabbageHead wrote:Patching is not a problem.


:lol:
checksum calculation algorithm where do you plan to get it?

CabbageHead
shadow
Posts: 14

Re: Dreamcast widescreen menu ?

Post#5 » Wed May 05, 2021 11:43 am

Pardon ?

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megavolt85
Developer
Posts: 1782

Re: Dreamcast widescreen menu ?

Post#6 » Wed May 05, 2021 9:44 pm

if you change at least one byte in the BIOS, it will stop loading

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DCTurbo
lithium
Posts: 41

Re: Dreamcast widescreen menu ?

Post#7 » Thu Mar 31, 2022 5:57 pm

megavolt85 wrote:if you change at least one byte in the BIOS, it will stop loading

Sorry to bump up an ancient thread, but if that is the case how did Japanese_cake make the freezone replacement bios?

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megavolt85
Developer
Posts: 1782

Re: Dreamcast widescreen menu ?

Post#8 » Thu Mar 31, 2022 6:31 pm

DCTurbo wrote:Sorry to bump up an ancient thread, but if that is the case how did Japanese_cake make the freezone replacement bios?


I don't know how Japanese_cake did it, but I modified the console for brootforce checksum
moreover, you can’t replace a large piece of code and pick up a checksum, you can only change small pieces and sort through the checksum each time
latest bios from japanese_cake use bios from sega aurora slot machine, it allows you to create almost any custom bios, but game compatibility is far from perfect

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