SVC Chaos AES4ALL / TEST/Dreamcast

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bjankins1
dark night
Posts: 51

Re: SVC Chaos AES4ALL / TEST/Dreamcast

Post#11 » Sat Feb 08, 2020 10:16 pm

Could metal slug run on RC4 and also load from just a CD (No SD) ?

Im not using GDEMU

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Ian Micheal
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Re: SVC Chaos AES4ALL / TEST/Dreamcast

Post#12 » Sat Feb 08, 2020 10:58 pm

bjankins1 wrote:Could metal slug run on RC4 and also load from just a CD (No SD) ?

Im not using GDEMU



Yes but you need to remake the prefetch file dont even think that metal slug 3 there's ever been one made.. How to i posted is from the creator of the emulator..


With out a prefetch games are going to be slow and stop start when they send all the data to the MMU virtual address space .. main problem people did not understand rc4 they seen sd card support and thought you loading the game from there it can do that but that was not the point of it.. was so the dreamcast could load 2 things at a time with out stopping.. All the old prefetch files for rc3 point to the wrong places so thats why they dont work right .. SD card reader being slow people said.. you dont load the game from there.. anyways just like to see correct info put out..

GDEMU or a cdr data cant be read at 2 places at once thats just a fact..

Ive never seen a prefetch for metal slug 3 made..

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Ian Micheal
Developer
Posts: 1758
Contact:

Re: SVC Chaos AES4ALL / TEST/Dreamcast

Post#13 » Sat Feb 08, 2020 11:01 pm

bjankins1 wrote:Could metal slug run on RC4 and also load from just a CD (No SD) ?

Im not using GDEMU


Cant read 2 places at the same time so running the prefetch on the same cd would be useless slow..

Think of it right in the middle of loading rom data it stops to load the grafix prefetch if's on the same cd

then has to check load check load.. other way does both at the same time.. which do you think is faster

bjankins1
dark night
Posts: 51

Re: SVC Chaos AES4ALL / TEST/Dreamcast

Post#14 » Sat Feb 08, 2020 11:58 pm

Okay this is making much more sense to me, you can even tell somethings up with the laser reading when even starting the first mission, it sounds like its forcing itself to run, and without the prefetch file, it doesnr have enough power to play it correct speed

Hopefully someday it can be running on RC4

I saw chuis guide for prefetch files

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