Top Nds Roms
Jasmine Lemaitre
What I did was delete my entire rom collection, downloaded a newer and more complete one (GoodNES 3.14) and then what I did was I got this app called RomCenter which basically reduced the entire rom set to just the essential roms. After that I scanned these roms, and Retroarch seemed to scan them fine.
No, no change in overall behavior, though the databases themselves have undergone changes since then. Regardless, the scanning has no effect on whether or not you can actually run the games, just whether they show up in a playlist.
One reason to NOT have a script download all roms is that it will take up a LOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOT of space and network traffic.
And first what will be considered as all roms?
Is the complete US roms it or will all revisions need to be in there for example some amiga games have many revisions and even some old NES games have 2-3 revisions.
To me atleast the roms for EU/Jap/and some other regions games that is not released in US is needed to call it all roms bur different revisions does not need to be there.
Should alpha/beta/unreleased/hacked/translated roms be in there to be called all roms?
If yes everything should be there (and SOME people would think this) then MY snes folder is a bit over 73GB
Genesis around 9-10GB, NES 5-6GB
One reason that the arcade roms can be downloaded is that they mostly use MAME roms and HBMame BUT they use roms from a couple of different MAME sets.
Which makes it a pain to track down/download all of them one at the time.
On top of that MAME is distributed in three different kind of sets that will make them three different sizes -c ... mame-roms/ for more info on that.
And using the wrong rom for a game can cause some bugs/weird behavior so the update all IS a real good help there.
For consoles/computers the help is much less since most if not all of them already have rompacks out there.
Does anyone have a reference or source about how GameBoy Color roms are laid out - where the data and code, what machine code instructions are used, how the clock works etc? I'm interested in perhaps building an emulator myself but I can't find any information about the roms' setup other than looking at them in a hex editor. I'm interested in roms in the .gbc file format.
The opcodes are custom designed to be like the Zilog Z80, but are not exactly like it, since the CPU die itself is different from that of a Z80 as well as the clock cycles and register F flags being entirely different.
And Imran's emulator is a bad source for looking up how the opcodes work, because his emulator still has many problems with getting the opcodes right. Look at gambatte's source code for the most accurate (accurate and "some more") depiction of how the console works.
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